Merge remote branch 'goog/master' into merge

Conflicts:
	java/res/xml/method.xml
	java/src/com/android/inputmethod/deprecated/VoiceProxy.java
	java/src/com/android/inputmethod/keyboard/KeyboardId.java
	java/src/com/android/inputmethod/latin/BinaryDictionary.java
	java/src/com/android/inputmethod/latin/LatinIME.java
	java/src/com/android/inputmethod/latin/Settings.java
	java/src/com/android/inputmethod/latin/SubtypeSwitcher.java
	java/src/com/android/inputmethod/latin/Utils.java

Change-Id: Ic102a0fbfc3b8f9dd65dd6eabb421f9211f5d9a5

59 files changed, 3586 insertions, 1557 deletions

diff --git a/java/src/com/android/inputmethod/compat/AbstractCompatWrapper.java b/java/src/com/android/inputmethod/compat/AbstractCompatWrapper.java
new file mode 100644
index 000000000..99262c434
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/AbstractCompatWrapper.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.compat;
+
+import android.util.Log;
+
+public abstract class AbstractCompatWrapper {
+    private static final String TAG = AbstractCompatWrapper.class.getSimpleName();
+    protected final Object mObj;
+
+    public AbstractCompatWrapper(Object obj) {
+        if (obj == null) {
+            Log.e(TAG, "Invalid input to AbstructCompatWrapper");
+        }
+        mObj = obj;
+    }
+
+    public Object getOriginalObject() {
+        return mObj;
+    }
+}
diff --git a/java/src/com/android/inputmethod/compat/CompatUtils.java b/java/src/com/android/inputmethod/compat/CompatUtils.java
new file mode 100644
index 000000000..a8086919c
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/CompatUtils.java
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.compat;
+
+import android.content.Intent;
+import android.text.TextUtils;
+import android.util.Log;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+
+public class CompatUtils {
+    private static final String TAG = CompatUtils.class.getSimpleName();
+    private static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
+    // TODO: Can these be constants instead of literal String constants?
+    private static final String INPUT_METHOD_SUBTYPE_SETTINGS =
+            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
+    private static final String INPUT_LANGUAGE_SELECTION =
+            "com.android.inputmethod.latin.INPUT_LANGUAGE_SELECTION";
+
+    public static Intent getInputLanguageSelectionIntent(String inputMethodId,
+            int flagsForSubtypeSettings) {
+        final String action;
+        Intent intent;
+        if (android.os.Build.VERSION.SDK_INT
+                >= /* android.os.Build.VERSION_CODES.HONEYCOMB */ 11) {
+            // Refer to android.provider.Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS
+            action = INPUT_METHOD_SUBTYPE_SETTINGS;
+            intent = new Intent(action);
+            if (!TextUtils.isEmpty(inputMethodId)) {
+                intent.putExtra(EXTRA_INPUT_METHOD_ID, inputMethodId);
+            }
+            if (flagsForSubtypeSettings > 0) {
+                intent.setFlags(flagsForSubtypeSettings);
+            }
+        } else {
+            action = INPUT_LANGUAGE_SELECTION;
+            intent = new Intent(action);
+        }
+        return intent;
+    }
+
+    public static Class<?> getClass(String className) {
+        try {
+            return Class.forName(className);
+        } catch (ClassNotFoundException e) {
+            return null;
+        }
+    }
+
+    public static Method getMethod(Class<?> targetClass, String name,
+            Class<?>... parameterTypes) {
+        try {
+            return targetClass.getMethod(name, parameterTypes);
+        } catch (SecurityException e) {
+            // ignore
+            return null;
+        } catch (NoSuchMethodException e) {
+            // ignore
+            return null;
+        }
+    }
+
+    public static Field getField(Class<?> targetClass, String name) {
+        try {
+            return targetClass.getField(name);
+        } catch (SecurityException e) {
+            // ignore
+            return null;
+        } catch (NoSuchFieldException e) {
+            // ignore
+            return null;
+        }
+    }
+
+    public static Constructor<?> getConstructor(Class<?> targetClass, Class<?>[] types) {
+        if (targetClass == null || types == null) return null;
+        try {
+            return targetClass.getConstructor(types);
+        } catch (SecurityException e) {
+            // ignore
+            return null;
+        } catch (NoSuchMethodException e) {
+            // ignore
+            return null;
+        }
+    }
+
+    public static Object invoke(
+            Object receiver, Object defaultValue, Method method, Object... args) {
+        if (receiver == null || method == null) return defaultValue;
+        try {
+            return method.invoke(receiver, args);
+        } catch (IllegalArgumentException e) {
+            Log.e(TAG, "Exception in invoke: IllegalArgumentException");
+            return defaultValue;
+        } catch (IllegalAccessException e) {
+            Log.e(TAG, "Exception in invoke: IllegalAccessException");
+            return defaultValue;
+        } catch (InvocationTargetException e) {
+            Log.e(TAG, "Exception in invoke: IllegalTargetException");
+            return defaultValue;
+        }
+    }
+
+    public static Object getFieldValue(Object receiver, Object defaultValue, Field field) {
+        if (receiver == null || field == null) return defaultValue;
+        try {
+            return field.get(receiver);
+        } catch (IllegalArgumentException e) {
+            Log.e(TAG, "Exception in getFieldValue: IllegalArgumentException");
+            return defaultValue;
+        } catch (IllegalAccessException e) {
+            Log.e(TAG, "Exception in getFieldValue: IllegalAccessException");
+            return defaultValue;
+        }
+    }
+
+    public static void setFieldValue(Object receiver, Field field, Object value) {
+        if (receiver == null || field == null) return;
+        try {
+            field.set(receiver, value);
+        } catch (IllegalArgumentException e) {
+            Log.e(TAG, "Exception in setFieldValue: IllegalArgumentException");
+        } catch (IllegalAccessException e) {
+            Log.e(TAG, "Exception in setFieldValue: IllegalAccessException");
+        }
+    }
+
+    public static List<InputMethodSubtypeCompatWrapper> copyInputMethodSubtypeListToWrapper(
+            Object listObject) {
+        if (!(listObject instanceof List<?>)) return null;
+        final List<InputMethodSubtypeCompatWrapper> subtypes =
+                new ArrayList<InputMethodSubtypeCompatWrapper>();
+        for (Object o: (List<?>)listObject) {
+            subtypes.add(new InputMethodSubtypeCompatWrapper(o));
+        }
+        return subtypes;
+    }
+}
diff --git a/java/src/com/android/inputmethod/compat/EditorInfoCompatUtils.java b/java/src/com/android/inputmethod/compat/EditorInfoCompatUtils.java
new file mode 100644
index 000000000..f6f4f7a59
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/EditorInfoCompatUtils.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.compat;
+
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputConnection;
+
+import java.lang.reflect.Field;
+
+public class EditorInfoCompatUtils {
+    private static final Field FIELD_IME_FLAG_NAVIGATE_NEXT = CompatUtils.getField(
+            EditorInfo.class, "IME_FLAG_NAVIGATE_NEXT");
+    private static final Field FIELD_IME_FLAG_NAVIGATE_PREVIOUS = CompatUtils.getField(
+            EditorInfo.class, "IME_FLAG_NAVIGATE_PREVIOUS");
+    private static final Field FIELD_IME_ACTION_PREVIOUS = CompatUtils.getField(
+            EditorInfo.class, "IME_FLAG_ACTION_PREVIOUS");
+    private static final Integer OBJ_IME_FLAG_NAVIGATE_NEXT = (Integer) CompatUtils
+            .getFieldValue(null, null, FIELD_IME_FLAG_NAVIGATE_NEXT);
+    private static final Integer OBJ_IME_FLAG_NAVIGATE_PREVIOUS = (Integer) CompatUtils
+            .getFieldValue(null, null, FIELD_IME_FLAG_NAVIGATE_PREVIOUS);
+    private static final Integer OBJ_IME_ACTION_PREVIOUS = (Integer) CompatUtils
+            .getFieldValue(null, null, FIELD_IME_ACTION_PREVIOUS);
+
+    public static boolean hasFlagNavigateNext(int imeOptions) {
+        if (OBJ_IME_FLAG_NAVIGATE_NEXT == null)
+            return false;
+        return (imeOptions & OBJ_IME_FLAG_NAVIGATE_NEXT) != 0;
+    }
+
+    public static boolean hasFlagNavigatePrevious(int imeOptions) {
+        if (OBJ_IME_FLAG_NAVIGATE_PREVIOUS == null)
+            return false;
+        return (imeOptions & OBJ_IME_FLAG_NAVIGATE_PREVIOUS) != 0;
+    }
+
+    public static void performEditorActionNext(InputConnection ic) {
+        ic.performEditorAction(EditorInfo.IME_ACTION_NEXT);
+    }
+
+    public static void performEditorActionPrevious(InputConnection ic) {
+        if (OBJ_IME_ACTION_PREVIOUS == null)
+            return;
+        ic.performEditorAction(OBJ_IME_ACTION_PREVIOUS);
+    }
+
+    public static String imeOptionsName(int imeOptions) {
+        if (imeOptions == -1)
+            return null;
+        final int actionId = imeOptions & EditorInfo.IME_MASK_ACTION;
+        final String action;
+        switch (actionId) {
+            case EditorInfo.IME_ACTION_UNSPECIFIED:
+                action = "actionUnspecified";
+                break;
+            case EditorInfo.IME_ACTION_NONE:
+                action = "actionNone";
+                break;
+            case EditorInfo.IME_ACTION_GO:
+                action = "actionGo";
+                break;
+            case EditorInfo.IME_ACTION_SEARCH:
+                action = "actionSearch";
+                break;
+            case EditorInfo.IME_ACTION_SEND:
+                action = "actionSend";
+                break;
+            case EditorInfo.IME_ACTION_DONE:
+                action = "actionDone";
+                break;
+            default: {
+                if (OBJ_IME_ACTION_PREVIOUS != null && actionId == OBJ_IME_ACTION_PREVIOUS) {
+                    action = "actionPrevious";
+                } else {
+                    action = "actionUnknown(" + actionId + ")";
+                }
+                break;
+            }
+        }
+        if ((imeOptions & EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) {
+            return "flagNoEnterAction|" + action;
+        } else {
+            return action;
+        }
+    }
+}
diff --git a/java/src/com/android/inputmethod/compat/InputConnectionCompatUtils.java b/java/src/com/android/inputmethod/compat/InputConnectionCompatUtils.java
new file mode 100644
index 000000000..b4fe32765
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/InputConnectionCompatUtils.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.compat;
+
+import android.util.Log;
+import android.view.inputmethod.InputConnection;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class InputConnectionCompatUtils {
+    private static final String TAG = InputConnectionCompatUtils.class.getSimpleName();
+    private static final Class<?> CLASS_CorrectionInfo = CompatUtils
+            .getClass("android.view.inputmethod.CorrectionInfo");
+    private static final Class<?>[] INPUT_TYPE_CorrectionInfo = new Class<?>[] { int.class,
+            CharSequence.class, CharSequence.class };
+    private static final Constructor<?> CONSTRUCTOR_CorrectionInfo = CompatUtils
+            .getConstructor(CLASS_CorrectionInfo, INPUT_TYPE_CorrectionInfo);
+    private static final Method METHOD_InputConnection_commitCorrection = CompatUtils
+            .getMethod(InputConnection.class, "commitCorrection", CLASS_CorrectionInfo);
+
+    public static void commitCorrection(InputConnection ic, int offset, CharSequence oldText,
+            CharSequence newText) {
+        if (ic == null || CONSTRUCTOR_CorrectionInfo == null
+                || METHOD_InputConnection_commitCorrection == null) {
+            return;
+        }
+        Object[] args = { offset, oldText, newText };
+        try {
+            Object correctionInfo = CONSTRUCTOR_CorrectionInfo.newInstance(args);
+            CompatUtils.invoke(ic, null, METHOD_InputConnection_commitCorrection,
+                    correctionInfo);
+        } catch (IllegalArgumentException e) {
+            Log.e(TAG, "Error in commitCorrection: IllegalArgumentException");
+        } catch (InstantiationException e) {
+            Log.e(TAG, "Error in commitCorrection: InstantiationException");
+        } catch (IllegalAccessException e) {
+            Log.e(TAG, "Error in commitCorrection: IllegalAccessException");
+        } catch (InvocationTargetException e) {
+            Log.e(TAG, "Error in commitCorrection: InvocationTargetException");
+        }
+    }
+}
diff --git a/java/src/com/android/inputmethod/compat/InputMethodInfoCompatWrapper.java b/java/src/com/android/inputmethod/compat/InputMethodInfoCompatWrapper.java
new file mode 100644
index 000000000..8e22bbc79
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/InputMethodInfoCompatWrapper.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.compat;
+
+import android.content.pm.ServiceInfo;
+import android.view.inputmethod.InputMethodInfo;
+
+import java.lang.reflect.Method;
+
+public class InputMethodInfoCompatWrapper {
+    private final InputMethodInfo mImi;
+    private static final Method METHOD_getSubtypeAt = CompatUtils.getMethod(
+            InputMethodInfo.class, "getSubtypeAt", int.class);
+    private static final Method METHOD_getSubtypeCount = CompatUtils.getMethod(
+            InputMethodInfo.class, "getSubtypeCount");
+
+    public InputMethodInfoCompatWrapper(InputMethodInfo imi) {
+        mImi = imi;
+    }
+
+    public InputMethodInfo getInputMethodInfo() {
+        return mImi;
+    }
+
+    public String getId() {
+        return mImi.getId();
+    }
+
+    public String getPackageName() {
+        return mImi.getPackageName();
+    }
+
+    public ServiceInfo getServiceInfo() {
+        return mImi.getServiceInfo();
+    }
+
+    public int getSubtypeCount() {
+        return (Integer) CompatUtils.invoke(mImi, 0, METHOD_getSubtypeCount);
+    }
+
+    public InputMethodSubtypeCompatWrapper getSubtypeAt(int index) {
+        return new InputMethodSubtypeCompatWrapper(CompatUtils.invoke(mImi, null,
+                METHOD_getSubtypeAt, index));
+    }
+}
diff --git a/java/src/com/android/inputmethod/compat/InputMethodManagerCompatWrapper.java b/java/src/com/android/inputmethod/compat/InputMethodManagerCompatWrapper.java
new file mode 100644
index 000000000..e0d54da3b
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/InputMethodManagerCompatWrapper.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.compat;
+
+import android.content.Context;
+import android.os.IBinder;
+import android.util.Log;
+import android.view.inputmethod.InputMethodInfo;
+import android.view.inputmethod.InputMethodManager;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+// TODO: Override this class with the concrete implementation if we need to take care of the
+// performance.
+public class InputMethodManagerCompatWrapper {
+    private static final String TAG = InputMethodManagerCompatWrapper.class.getSimpleName();
+    private static final Method METHOD_getCurrentInputMethodSubtype =
+            CompatUtils.getMethod(InputMethodManager.class, "getCurrentInputMethodSubtype");
+    private static final Method METHOD_getEnabledInputMethodSubtypeList =
+            CompatUtils.getMethod(InputMethodManager.class, "getEnabledInputMethodSubtypeList",
+                    InputMethodInfo.class, boolean.class);
+    private static final Method METHOD_getShortcutInputMethodsAndSubtypes =
+            CompatUtils.getMethod(InputMethodManager.class, "getShortcutInputMethodsAndSubtypes");
+    private static final Method METHOD_setInputMethodAndSubtype =
+            CompatUtils.getMethod(
+                    InputMethodManager.class, "setInputMethodAndSubtype", IBinder.class,
+                    String.class, InputMethodSubtypeCompatWrapper.CLASS_InputMethodSubtype);
+
+    private static final InputMethodManagerCompatWrapper sInstance =
+            new InputMethodManagerCompatWrapper();
+
+    private InputMethodManager mImm;
+    private InputMethodManagerCompatWrapper() {
+    }
+
+    public static InputMethodManagerCompatWrapper getInstance(Context context) {
+        if (sInstance.mImm == null) {
+            sInstance.init(context);
+        }
+        return sInstance;
+    }
+
+    private synchronized void init(Context context) {
+        mImm = (InputMethodManager) context.getSystemService(
+                Context.INPUT_METHOD_SERVICE);
+    }
+
+    public InputMethodSubtypeCompatWrapper getCurrentInputMethodSubtype() {
+        return new InputMethodSubtypeCompatWrapper(
+                CompatUtils.invoke(mImm, null, METHOD_getCurrentInputMethodSubtype));
+    }
+
+    public List<InputMethodSubtypeCompatWrapper> getEnabledInputMethodSubtypeList(
+            InputMethodInfoCompatWrapper imi, boolean allowsImplicitlySelectedSubtypes) {
+        Object retval = CompatUtils.invoke(mImm, null, METHOD_getEnabledInputMethodSubtypeList,
+                (imi != null ? imi.getInputMethodInfo() : null), allowsImplicitlySelectedSubtypes);
+        return CompatUtils.copyInputMethodSubtypeListToWrapper((List<?>)retval);
+    }
+
+    public Map<InputMethodInfoCompatWrapper, List<InputMethodSubtypeCompatWrapper>>
+            getShortcutInputMethodsAndSubtypes() {
+        Object retval = CompatUtils.invoke(mImm, null, METHOD_getShortcutInputMethodsAndSubtypes);
+        if (!(retval instanceof Map)) return null;
+        Map<InputMethodInfoCompatWrapper, List<InputMethodSubtypeCompatWrapper>> shortcutMap =
+                new HashMap<InputMethodInfoCompatWrapper, List<InputMethodSubtypeCompatWrapper>>();
+        final Map<?, ?> retvalMap = (Map<?, ?>)retval;
+        for (Object key : retvalMap.keySet()) {
+            if (!(key instanceof InputMethodInfo)) {
+                Log.e(TAG, "Class type error.");
+                return null;
+            }
+            shortcutMap.put(new InputMethodInfoCompatWrapper((InputMethodInfo)key),
+                    CompatUtils.copyInputMethodSubtypeListToWrapper(retvalMap.get(key)));
+        }
+        return shortcutMap;
+    }
+
+    public void setInputMethodAndSubtype(
+            IBinder token, String id, InputMethodSubtypeCompatWrapper subtype) {
+        CompatUtils.invoke(mImm, null, METHOD_setInputMethodAndSubtype,
+                token, id, subtype.getOriginalObject());
+    }
+
+    public boolean switchToLastInputMethod(IBinder token) {
+        return false;
+    }
+
+    public List<InputMethodInfoCompatWrapper> getEnabledInputMethodList() {
+        if (mImm == null) return null;
+        List<InputMethodInfoCompatWrapper> imis = new ArrayList<InputMethodInfoCompatWrapper>();
+        for (InputMethodInfo imi : mImm.getEnabledInputMethodList()) {
+            imis.add(new InputMethodInfoCompatWrapper(imi));
+        }
+        return imis;
+    }
+
+    public void showInputMethodPicker() {
+        if (mImm == null) return;
+        mImm.showInputMethodPicker();
+    }
+}
diff --git a/java/src/com/android/inputmethod/compat/InputMethodServiceCompatWrapper.java b/java/src/com/android/inputmethod/compat/InputMethodServiceCompatWrapper.java
new file mode 100644
index 000000000..88167ae74
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/InputMethodServiceCompatWrapper.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.compat;
+
+import com.android.inputmethod.latin.SubtypeSwitcher;
+
+import android.inputmethodservice.InputMethodService;
+import android.view.View;
+// import android.view.inputmethod.InputMethodSubtype;
+import android.widget.HorizontalScrollView;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+public class InputMethodServiceCompatWrapper extends InputMethodService {
+    private static final Method METHOD_HorizontalScrollView_setOverScrollMode =
+            CompatUtils.getMethod(HorizontalScrollView.class, "setOverScrollMode", int.class);
+    private static final Field FIELD_View_OVER_SCROLL_NEVER =
+            CompatUtils.getField(View.class, "OVER_SCROLL_NEVER");
+    private static final Integer View_OVER_SCROLL_NEVER =
+            (Integer)CompatUtils.getFieldValue(null, null, FIELD_View_OVER_SCROLL_NEVER);
+    // CAN_HANDLE_ON_CURRENT_INPUT_METHOD_SUBTYPE_CHANGED needs to be false if the API level is 10
+    // or previous. Note that InputMethodSubtype was added in the API level 11.
+    // For the API level 11 or later, LatinIME should override onCurrentInputMethodSubtypeChanged().
+    // For the API level 10 or previous, we handle the "subtype changed" events by ourselves
+    // without having support from framework -- onCurrentInputMethodSubtypeChanged().
+    private static final boolean CAN_HANDLE_ON_CURRENT_INPUT_METHOD_SUBTYPE_CHANGED = false;
+
+    private InputMethodManagerCompatWrapper mImm;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        mImm = InputMethodManagerCompatWrapper.getInstance(this);
+    }
+
+    // When the API level is 10 or previous, notifyOnCurrentInputMethodSubtypeChanged should
+    // handle the event the current subtype was changed. LatinIME calls
+    // notifyOnCurrentInputMethodSubtypeChanged every time LatinIME
+    // changes the current subtype.
+    // This call is required to let LatinIME itself know a subtype changed
+    // event when the API level is 10 or previous.
+    @SuppressWarnings("unused")
+    public void notifyOnCurrentInputMethodSubtypeChanged(InputMethodSubtypeCompatWrapper subtype) {
+        // Do nothing when the API level is 11 or later
+        if (CAN_HANDLE_ON_CURRENT_INPUT_METHOD_SUBTYPE_CHANGED) return;
+        if (subtype == null) {
+            subtype = mImm.getCurrentInputMethodSubtype();
+        }
+        if (subtype != null) {
+            SubtypeSwitcher.getInstance().updateSubtype(subtype);
+        }
+    }
+
+    protected static void setOverScrollModeNever(HorizontalScrollView scrollView) {
+        if (View_OVER_SCROLL_NEVER != null) {
+            CompatUtils.invoke(scrollView, null, METHOD_HorizontalScrollView_setOverScrollMode,
+                    View_OVER_SCROLL_NEVER);
+        }
+    }
+
+    //////////////////////////////////////
+    // Functions using API v11 or later //
+    //////////////////////////////////////
+    /*@Override
+    public void onCurrentInputMethodSubtypeChanged(InputMethodSubtype subtype) {
+        // Do nothing when the API level is 10 or previous
+        if (!CAN_HANDLE_ON_CURRENT_INPUT_METHOD_SUBTYPE_CHANGED) return;
+        SubtypeSwitcher.getInstance().updateSubtype(
+                new InputMethodSubtypeCompatWrapper(subtype));
+    }*/
+
+    protected static void setTouchableRegionCompat(InputMethodService.Insets outInsets,
+            int x, int y, int width, int height) {
+        //outInsets.touchableInsets = InputMethodService.Insets.TOUCHABLE_INSETS_REGION;
+        //outInsets.touchableRegion.set(x, y, width, height);
+    }
+}
diff --git a/java/src/com/android/inputmethod/compat/InputMethodSubtype.java b/java/src/com/android/inputmethod/compat/InputMethodSubtype.java
deleted file mode 100644
index 6630dbe75..000000000
--- a/java/src/com/android/inputmethod/compat/InputMethodSubtype.java
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// Note: This class has been copied from Honeycomb framework.
-// Original class in Honeycomb framework is {@link android.view.inputmethod.InputMethodSubtype}.
-
-package com.android.inputmethod.compat;
-
-import android.os.Parcel;
-import android.os.Parcelable;
-
-import java.util.Arrays;
-
-/**
- * Information given to an {@link InputMethod} about a client connecting
- * to it.
- */
-/**
- * InputMethodSubtype is a subtype contained in the input method. Subtype can describe
- * locales (e.g. en_US, fr_FR...) and modes (e.g. voice, keyboard...), and is used for
- * IME switch. The subtype allows the system to call the specified subtype of IME directly.
- */
-public final class InputMethodSubtype implements Parcelable {
-    private final int mSubtypeNameResId;
-    private final int mSubtypeIconResId;
-    private final String mSubtypeLocale;
-    private final String mSubtypeMode;
-    private final String mSubtypeExtraValue;
-    private final int mSubtypeHashCode;
-
-    /**
-     * Constructor
-     * @param nameId The name of the subtype
-     * @param iconId The icon of the subtype
-     * @param locale The locale supported by the subtype
-     * @param modeId The mode supported by the subtype
-     * @param extraValue The extra value of the subtype
-     */
-    InputMethodSubtype(int nameId, int iconId, String locale, String mode, String extraValue) {
-        mSubtypeNameResId = nameId;
-        mSubtypeIconResId = iconId;
-        mSubtypeLocale = locale != null ? locale : "";
-        mSubtypeMode = mode != null ? mode : "";
-        mSubtypeExtraValue = extraValue != null ? extraValue : "";
-        mSubtypeHashCode = hashCodeInternal(mSubtypeNameResId, mSubtypeIconResId, mSubtypeLocale,
-                mSubtypeMode, mSubtypeExtraValue);
-    }
-
-    InputMethodSubtype(Parcel source) {
-        String s;
-        mSubtypeNameResId = source.readInt();
-        mSubtypeIconResId = source.readInt();
-        s = source.readString();
-        mSubtypeLocale = s != null ? s : "";
-        s = source.readString();
-        mSubtypeMode = s != null ? s : "";
-        s = source.readString();
-        mSubtypeExtraValue = s != null ? s : "";
-        mSubtypeHashCode = hashCodeInternal(mSubtypeNameResId, mSubtypeIconResId, mSubtypeLocale,
-                mSubtypeMode, mSubtypeExtraValue);
-    }
-
-    /**
-     * @return the name of the subtype
-     */
-    public int getNameResId() {
-        return mSubtypeNameResId;
-    }
-
-    /**
-     * @return the icon of the subtype
-     */
-    public int getIconResId() {
-        return mSubtypeIconResId;
-    }
-
-    /**
-     * @return the locale of the subtype
-     */
-    public String getLocale() {
-        return mSubtypeLocale;
-    }
-
-    /**
-     * @return the mode of the subtype
-     */
-    public String getMode() {
-        return mSubtypeMode;
-    }
-
-    /**
-     * @return the extra value of the subtype
-     */
-    public String getExtraValue() {
-        return mSubtypeExtraValue;
-    }
-
-    @Override
-    public int hashCode() {
-        return mSubtypeHashCode;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (o instanceof InputMethodSubtype) {
-            InputMethodSubtype subtype = (InputMethodSubtype) o;
-            return (subtype.hashCode() == hashCode())
-                && (subtype.getNameResId() == getNameResId())
-                && (subtype.getMode().equals(getMode()))
-                && (subtype.getIconResId() == getIconResId())
-                && (subtype.getLocale().equals(getLocale()))
-                && (subtype.getExtraValue().equals(getExtraValue()));
-        }
-        return false;
-    }
-
-    public int describeContents() {
-        return 0;
-    }
-
-    public void writeToParcel(Parcel dest, int parcelableFlags) {
-        dest.writeInt(mSubtypeNameResId);
-        dest.writeInt(mSubtypeIconResId);
-        dest.writeString(mSubtypeLocale);
-        dest.writeString(mSubtypeMode);
-        dest.writeString(mSubtypeExtraValue);
-    }
-
-    public static final Parcelable.Creator<InputMethodSubtype> CREATOR
-            = new Parcelable.Creator<InputMethodSubtype>() {
-        public InputMethodSubtype createFromParcel(Parcel source) {
-            return new InputMethodSubtype(source);
-        }
-
-        public InputMethodSubtype[] newArray(int size) {
-            return new InputMethodSubtype[size];
-        }
-    };
-
-    private static int hashCodeInternal(int nameResId, int iconResId, String locale,
-            String mode, String extraValue) {
-        return Arrays.hashCode(new Object[] {nameResId, iconResId, locale, mode, extraValue});
-    }
-}
diff --git a/java/src/com/android/inputmethod/compat/InputMethodSubtypeCompatWrapper.java b/java/src/com/android/inputmethod/compat/InputMethodSubtypeCompatWrapper.java
new file mode 100644
index 000000000..90b7df949
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/InputMethodSubtypeCompatWrapper.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.compat;
+
+import com.android.inputmethod.latin.LatinImeLogger;
+
+import android.util.Log;
+
+import java.lang.reflect.Method;
+
+// TODO: Override this class with the concrete implementation if we need to take care of the
+// performance.
+public final class InputMethodSubtypeCompatWrapper extends AbstractCompatWrapper {
+    private static final boolean DBG = LatinImeLogger.sDBG;
+    private static final String TAG = InputMethodSubtypeCompatWrapper.class.getSimpleName();
+    private static final String DEFAULT_LOCALE = "en_US";
+    private static final String DEFAULT_MODE = "keyboard";
+
+    public static final Class<?> CLASS_InputMethodSubtype =
+            CompatUtils.getClass("android.view.inputmethod.InputMethodSubtype");
+    private static final Method METHOD_getNameResId =
+            CompatUtils.getMethod(CLASS_InputMethodSubtype, "getNameResId");
+    private static final Method METHOD_getIconResId =
+            CompatUtils.getMethod(CLASS_InputMethodSubtype, "getIconResId");
+    private static final Method METHOD_getLocale =
+            CompatUtils.getMethod(CLASS_InputMethodSubtype, "getLocale");
+    private static final Method METHOD_getMode =
+            CompatUtils.getMethod(CLASS_InputMethodSubtype, "getMode");
+    private static final Method METHOD_getExtraValue =
+            CompatUtils.getMethod(CLASS_InputMethodSubtype, "getExtraValue");
+    private static final Method METHOD_containsExtraValueKey =
+            CompatUtils.getMethod(CLASS_InputMethodSubtype, "containsExtraValueKey", String.class);
+    private static final Method METHOD_getExtraValueOf =
+            CompatUtils.getMethod(CLASS_InputMethodSubtype, "getExtraValueOf", String.class);
+
+    public InputMethodSubtypeCompatWrapper(Object subtype) {
+        super(CLASS_InputMethodSubtype.isInstance(subtype) ? subtype : null);
+        if (DBG) {
+            Log.d(TAG, "CreateInputMethodSubtypeCompatWrapper");
+        }
+    }
+
+    public int getNameResId() {
+        return (Integer)CompatUtils.invoke(mObj, 0, METHOD_getNameResId);
+    }
+
+    public int getIconResId() {
+        return (Integer)CompatUtils.invoke(mObj, 0, METHOD_getIconResId);
+    }
+
+    public String getLocale() {
+        final String s = (String)CompatUtils.invoke(mObj, null, METHOD_getLocale);
+        if (s == null) return DEFAULT_LOCALE;
+        return s;
+    }
+
+    public String getMode() {
+        String s = (String)CompatUtils.invoke(mObj, null, METHOD_getMode);
+        if (s == null) return DEFAULT_MODE;
+        return s;
+    }
+
+    public String getExtraValue() {
+        return (String)CompatUtils.invoke(mObj, null, METHOD_getExtraValue);
+    }
+
+    public boolean containsExtraValueKey(String key) {
+        return (Boolean)CompatUtils.invoke(mObj, false, METHOD_containsExtraValueKey, key);
+    }
+
+    public String getExtraValueOf(String key) {
+        return (String)CompatUtils.invoke(mObj, null, METHOD_getExtraValueOf, key);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o instanceof InputMethodSubtypeCompatWrapper) {
+            InputMethodSubtypeCompatWrapper subtype = (InputMethodSubtypeCompatWrapper)o;
+            return mObj.equals(subtype.getOriginalObject());
+        } else {
+            return mObj.equals(o);
+        }
+    }
+
+}
diff --git a/java/src/com/android/inputmethod/compat/InputTypeCompatUtils.java b/java/src/com/android/inputmethod/compat/InputTypeCompatUtils.java
new file mode 100644
index 000000000..d85174188
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/InputTypeCompatUtils.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.compat;
+
+import android.text.InputType;
+
+import java.lang.reflect.Field;
+
+public class InputTypeCompatUtils {
+    private static final Field FIELD_InputType_TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS =
+            CompatUtils.getField(InputType.class, "TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS");
+    private static final Field FIELD_InputType_TYPE_TEXT_VARIATION_WEB_PASSWORD = CompatUtils
+            .getField(InputType.class, "TYPE_TEXT_VARIATION_WEB_PASSWORD");
+    private static final Field FIELD_InputType_TYPE_NUMBER_VARIATION_PASSWORD = CompatUtils
+            .getField(InputType.class, "TYPE_NUMBER_VARIATION_PASSWORD");
+    private static final Integer OBJ_InputType_TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS =
+            (Integer) CompatUtils.getFieldValue(null, null,
+                    FIELD_InputType_TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS);
+    private static final Integer OBJ_InputType_TYPE_TEXT_VARIATION_WEB_PASSWORD =
+            (Integer) CompatUtils.getFieldValue(null, null,
+                    FIELD_InputType_TYPE_TEXT_VARIATION_WEB_PASSWORD);
+    private static final Integer OBJ_InputType_TYPE_NUMBER_VARIATION_PASSWORD =
+            (Integer) CompatUtils.getFieldValue(null, null,
+                    FIELD_InputType_TYPE_NUMBER_VARIATION_PASSWORD);
+    private static final int WEB_TEXT_PASSWORD_INPUT_TYPE;
+    private static final int NUMBER_PASSWORD_INPUT_TYPE;
+    private static final int TEXT_PASSWORD_INPUT_TYPE =
+            InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD;
+    private static final int TEXT_VISIBLE_PASSWORD_INPUT_TYPE =
+            InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;
+
+    static {
+        WEB_TEXT_PASSWORD_INPUT_TYPE =
+                OBJ_InputType_TYPE_TEXT_VARIATION_WEB_PASSWORD != null
+                        ? InputType.TYPE_CLASS_TEXT | OBJ_InputType_TYPE_TEXT_VARIATION_WEB_PASSWORD
+                        : 0;
+        NUMBER_PASSWORD_INPUT_TYPE =
+                OBJ_InputType_TYPE_NUMBER_VARIATION_PASSWORD != null
+                        ? InputType.TYPE_CLASS_NUMBER | OBJ_InputType_TYPE_NUMBER_VARIATION_PASSWORD
+                        : 0;
+    }
+
+    private static boolean isWebPasswordInputType(int inputType) {
+        return WEB_TEXT_PASSWORD_INPUT_TYPE != 0
+                && inputType == WEB_TEXT_PASSWORD_INPUT_TYPE;
+    }
+
+    private static boolean isNumberPasswordInputType(int inputType) {
+        return NUMBER_PASSWORD_INPUT_TYPE != 0
+                && inputType == NUMBER_PASSWORD_INPUT_TYPE;
+    }
+
+    private static boolean isTextPasswordInputType(int inputType) {
+        return inputType == TEXT_PASSWORD_INPUT_TYPE;
+    }
+
+    private static boolean isWebEmailAddressVariation(int variation) {
+        return OBJ_InputType_TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS != null
+                && variation == OBJ_InputType_TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS;
+    }
+
+    public static boolean isEmailVariation(int variation) {
+        return variation == InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS
+                || isWebEmailAddressVariation(variation);
+    }
+
+    // Please refer to TextView.isPasswordInputType
+    public static boolean isPasswordInputType(int inputType) {
+        final int maskedInputType =
+                inputType & (InputType.TYPE_MASK_CLASS | InputType.TYPE_MASK_VARIATION);
+        return isTextPasswordInputType(maskedInputType) || isWebPasswordInputType(maskedInputType)
+                || isNumberPasswordInputType(maskedInputType);
+    }
+
+    // Please refer to TextView.isVisiblePasswordInputType
+    public static boolean isVisiblePasswordInputType(int inputType) {
+        final int maskedInputType =
+                inputType & (InputType.TYPE_MASK_CLASS | InputType.TYPE_MASK_VARIATION);
+        return maskedInputType == TEXT_VISIBLE_PASSWORD_INPUT_TYPE;
+    }
+}
diff --git a/java/src/com/android/inputmethod/compat/VibratorCompatWrapper.java b/java/src/com/android/inputmethod/compat/VibratorCompatWrapper.java
new file mode 100644
index 000000000..8e2a2e0b8
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/VibratorCompatWrapper.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.compat;
+
+import android.content.Context;
+import android.os.Vibrator;
+
+import java.lang.reflect.Method;
+
+public class VibratorCompatWrapper {
+    private static final Method METHOD_hasVibrator = CompatUtils.getMethod(Vibrator.class,
+            "hasVibrator", int.class);
+
+    private static final VibratorCompatWrapper sInstance = new VibratorCompatWrapper();
+    private Vibrator mVibrator;
+
+    private VibratorCompatWrapper() {
+    }
+
+    public static VibratorCompatWrapper getInstance(Context context) {
+        if (sInstance.mVibrator == null) {
+            sInstance.mVibrator =
+                    (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
+        }
+        return sInstance;
+    }
+
+    public boolean hasVibrator() {
+        if (mVibrator == null)
+            return false;
+        return (Boolean) CompatUtils.invoke(mVibrator, true, METHOD_hasVibrator);
+    }
+}
diff --git a/java/src/com/android/inputmethod/voice/VoiceIMEConnector.java b/java/src/com/android/inputmethod/deprecated/VoiceProxy.java
index 267bef21d..5fba29d90 100644
--- a/java/src/com/android/inputmethod/voice/VoiceIMEConnector.java
+++ b/java/src/com/android/inputmethod/deprecated/VoiceProxy.java
@@ -14,8 +14,14 @@
  * the License.
  */
 
-package com.android.inputmethod.voice;
-
+package com.android.inputmethod.deprecated;
+
+import com.android.inputmethod.compat.InputMethodManagerCompatWrapper;
+import com.android.inputmethod.deprecated.voice.FieldContext;
+import com.android.inputmethod.deprecated.voice.Hints;
+import com.android.inputmethod.deprecated.voice.SettingsUtil;
+import com.android.inputmethod.deprecated.voice.VoiceInput;
+import com.android.inputmethod.deprecated.voice.VoiceInputLogger;
 import com.android.inputmethod.keyboard.KeyboardSwitcher;
 import com.android.inputmethod.latin.EditingUtils;
 import com.android.inputmethod.latin.LatinIME;
@@ -25,8 +31,10 @@ import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.SharedPreferencesCompat;
 import com.android.inputmethod.latin.SubtypeSwitcher;
 import com.android.inputmethod.latin.SuggestedWords;
+import com.android.inputmethod.latin.Utils;
 
 import android.app.AlertDialog;
+import android.content.ContentResolver;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -53,7 +61,6 @@ import android.view.WindowManager;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.ExtractedTextRequest;
 import android.view.inputmethod.InputConnection;
-import android.view.inputmethod.InputMethodManager;
 import android.widget.TextView;
 
 import java.util.ArrayList;
@@ -61,8 +68,8 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-public class VoiceIMEConnector implements VoiceInput.UiListener {
-    private static final VoiceIMEConnector sInstance = new VoiceIMEConnector();
+public class VoiceProxy implements VoiceInput.UiListener {
+    private static final VoiceProxy sInstance = new VoiceProxy();
 
     public static final boolean VOICE_INSTALLED = true;
     private static final boolean ENABLE_VOICE_BUTTON = true;
@@ -74,13 +81,9 @@ public class VoiceIMEConnector implements VoiceInput.UiListener {
     // For example, the user has a Chinese UI but activates voice input.
     private static final String PREF_HAS_USED_VOICE_INPUT_UNSUPPORTED_LOCALE =
             "has_used_voice_input_unsupported_locale";
-    // The private IME option used to indicate that no microphone should be shown for a
-    // given text field. For instance this is specified by the search dialog when the
-    // dialog is already showing a voice search button.
-    private static final String IME_OPTION_NO_MICROPHONE = "nm";
     private static final int RECOGNITIONVIEW_HEIGHT_THRESHOLD_RATIO = 6;
 
-    private static final String TAG = VoiceIMEConnector.class.getSimpleName();
+    private static final String TAG = VoiceProxy.class.getSimpleName();
     private static final boolean DEBUG = LatinImeLogger.sDBG;
 
     private boolean mAfterVoiceInput;
@@ -96,7 +99,7 @@ public class VoiceIMEConnector implements VoiceInput.UiListener {
     private boolean mVoiceButtonOnPrimary;
     private boolean mVoiceInputHighlighted;
 
-    private InputMethodManager mImm;
+    private InputMethodManagerCompatWrapper mImm;
     private LatinIME mService;
     private AlertDialog mVoiceWarningDialog;
     private VoiceInput mVoiceInput;
@@ -108,19 +111,19 @@ public class VoiceIMEConnector implements VoiceInput.UiListener {
     private final Map<String, List<CharSequence>> mWordToSuggestions =
             new HashMap<String, List<CharSequence>>();
 
-    public static VoiceIMEConnector init(LatinIME context, SharedPreferences prefs, UIHandler h) {
+    public static VoiceProxy init(LatinIME context, SharedPreferences prefs, UIHandler h) {
         sInstance.initInternal(context, prefs, h);
         return sInstance;
     }
 
-    public static VoiceIMEConnector getInstance() {
+    public static VoiceProxy getInstance() {
         return sInstance;
     }
 
     private void initInternal(LatinIME service, SharedPreferences prefs, UIHandler h) {
         mService = service;
         mHandler = h;
-        mImm = (InputMethodManager) service.getSystemService(Context.INPUT_METHOD_SERVICE);
+        mImm = InputMethodManagerCompatWrapper.getInstance(service);
         mSubtypeSwitcher = SubtypeSwitcher.getInstance();
         if (VOICE_INSTALLED) {
             mVoiceInput = new VoiceInput(service, this);
@@ -136,7 +139,7 @@ public class VoiceIMEConnector implements VoiceInput.UiListener {
         }
     }
 
-    private VoiceIMEConnector() {
+    private VoiceProxy() {
         // Intentional empty constructor for singleton.
     }
 
@@ -554,10 +557,36 @@ public class VoiceIMEConnector implements VoiceInput.UiListener {
     }
 
     private void switchToLastInputMethod() {
-        /* @@@
-        IBinder token = mContext.getWindow().getWindow().getAttributes().token;
-        mImm.switchToLastInputMethod(token);
-        */
+        final IBinder token = mService.getWindow().getWindow().getAttributes().token;
+        new AsyncTask<Void, Void, Boolean>() {
+            @Override
+            protected Boolean doInBackground(Void... params) {
+                return mImm.switchToLastInputMethod(token);
+            }
+
+            @Override
+            protected void onPostExecute(Boolean result) {
+                // Calls in this method need to be done in the same thread as the thread which
+                // called switchToLastInputMethod()
+                if (!result) {
+                    if (DEBUG) {
+                        Log.d(TAG, "Couldn't switch back to last IME.");
+                    }
+                    // Because the current IME and subtype failed to switch to any other IME and
+                    // subtype by switchToLastInputMethod, the current IME and subtype should keep
+                    // being LatinIME and voice subtype in the next time. And for re-showing voice
+                    // mode, the state of voice input should be reset and the voice view should be
+                    // hidden.
+                    mVoiceInput.reset();
+                    mService.requestHideSelf(0);
+                } else {
+                    // Notify an event that the current subtype was changed. This event will be
+                    // handled if "onCurrentInputMethodSubtypeChanged" can't be implemented
+                    // when the API level is 10 or previous.
+                    mService.notifyOnCurrentInputMethodSubtypeChanged(null);
+                }
+            }
+        }.execute();
     }
 
     private void reallyStartListening(boolean swipe) {
@@ -611,9 +640,12 @@ public class VoiceIMEConnector implements VoiceInput.UiListener {
     }
 
     private boolean shouldShowVoiceButton(FieldContext fieldContext, EditorInfo attribute) {
-        return ENABLE_VOICE_BUTTON && fieldCanDoVoice(fieldContext)
-                && !(attribute != null
-                        && IME_OPTION_NO_MICROPHONE.equals(attribute.privateImeOptions))
+        @SuppressWarnings("deprecation")
+        final boolean noMic = Utils.inPrivateImeOptions(null,
+                LatinIME.IME_OPTION_NO_MICROPHONE_COMPAT, attribute)
+                || Utils.inPrivateImeOptions(mService.getPackageName(),
+                        LatinIME.IME_OPTION_NO_MICROPHONE, attribute);
+        return ENABLE_VOICE_BUTTON && fieldCanDoVoice(fieldContext) && !noMic
                 && SpeechRecognizer.isRecognitionAvailable(mService);
     }
 
@@ -659,7 +691,7 @@ public class VoiceIMEConnector implements VoiceInput.UiListener {
     public void onAttachedToWindow() {
         // After onAttachedToWindow, we can show the voice warning dialog. See startListening()
         // above.
-        mSubtypeSwitcher.setVoiceInput(mVoiceInput);
+        VoiceInputWrapper.getInstance().setVoiceInput(mVoiceInput, mSubtypeSwitcher);
     }
 
     public void onConfigurationChanged(Configuration configuration) {
@@ -710,4 +742,91 @@ public class VoiceIMEConnector implements VoiceInput.UiListener {
         List<String> candidates;
         Map<String, List<CharSequence>> alternatives;
     }
+
+    public static class VoiceLoggerWrapper {
+        private static final VoiceLoggerWrapper sInstance = new VoiceLoggerWrapper();
+        private VoiceInputLogger mLogger;
+
+        public static VoiceLoggerWrapper getInstance(Context context) {
+            if (sInstance.mLogger == null) {
+                // Not thread safe, but it's ok.
+                sInstance.mLogger = VoiceInputLogger.getLogger(context);
+            }
+            return sInstance;
+        }
+
+        // private for the singleton
+        private VoiceLoggerWrapper() {
+        }
+
+        public void settingsWarningDialogCancel() {
+            mLogger.settingsWarningDialogCancel();
+        }
+
+        public void settingsWarningDialogOk() {
+            mLogger.settingsWarningDialogOk();
+        }
+
+        public void settingsWarningDialogShown() {
+            mLogger.settingsWarningDialogShown();
+        }
+
+        public void settingsWarningDialogDismissed() {
+            mLogger.settingsWarningDialogDismissed();
+        }
+
+        public void voiceInputSettingEnabled(boolean enabled) {
+            if (enabled) {
+                mLogger.voiceInputSettingEnabled();
+            } else {
+                mLogger.voiceInputSettingDisabled();
+            }
+        }
+    }
+
+    public static class VoiceInputWrapper {
+        private static final VoiceInputWrapper sInstance = new VoiceInputWrapper();
+        private VoiceInput mVoiceInput;
+        public static VoiceInputWrapper getInstance() {
+            return sInstance;
+        }
+        public void setVoiceInput(VoiceInput voiceInput, SubtypeSwitcher switcher) {
+            if (mVoiceInput == null && voiceInput != null) {
+                mVoiceInput = voiceInput;
+            }
+            switcher.setVoiceInputWrapper(this);
+        }
+
+        private VoiceInputWrapper() {
+        }
+
+        public void cancel() {
+            if (mVoiceInput != null) mVoiceInput.cancel();
+        }
+
+        public void reset() {
+            if (mVoiceInput != null) mVoiceInput.reset();
+        }
+    }
+
+    // A list of locales which are supported by default for voice input, unless we get a
+    // different list from Gservices.
+    private static final String DEFAULT_VOICE_INPUT_SUPPORTED_LOCALES =
+            "en " +
+            "en_US " +
+            "en_GB " +
+            "en_AU " +
+            "en_CA " +
+            "en_IE " +
+            "en_IN " +
+            "en_NZ " +
+            "en_SG " +
+            "en_ZA ";
+
+    public static String getSupportedLocalesString (ContentResolver resolver) {
+        return SettingsUtil.getSettingsString(
+                resolver,
+                SettingsUtil.LATIN_IME_VOICE_INPUT_SUPPORTED_LOCALES,
+                DEFAULT_VOICE_INPUT_SUPPORTED_LOCALES);
+    }
 }
diff --git a/java/src/com/android/inputmethod/voice/FieldContext.java b/java/src/com/android/inputmethod/deprecated/voice/FieldContext.java
index dfdfbaa9f..0ef73d2d7 100644
--- a/java/src/com/android/inputmethod/voice/FieldContext.java
+++ b/java/src/com/android/inputmethod/deprecated/voice/FieldContext.java
@@ -14,7 +14,7 @@
  * the License.
  */
 
-package com.android.inputmethod.voice;
+package com.android.inputmethod.deprecated.voice;
 
 import android.os.Bundle;
 import android.util.Log;
diff --git a/java/src/com/android/inputmethod/voice/Hints.java b/java/src/com/android/inputmethod/deprecated/voice/Hints.java
index d11d3b042..52a4f4e58 100644
--- a/java/src/com/android/inputmethod/voice/Hints.java
+++ b/java/src/com/android/inputmethod/deprecated/voice/Hints.java
@@ -14,7 +14,7 @@
  * the License.
  */
 
-package com.android.inputmethod.voice;
+package com.android.inputmethod.deprecated.voice;
 
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.SharedPreferencesCompat;
diff --git a/java/src/com/android/inputmethod/voice/RecognitionView.java b/java/src/com/android/inputmethod/deprecated/voice/RecognitionView.java
index 95a79f463..52c73ce90 100644
--- a/java/src/com/android/inputmethod/voice/RecognitionView.java
+++ b/java/src/com/android/inputmethod/deprecated/voice/RecognitionView.java
@@ -14,7 +14,7 @@
  * the License.
  */
 
-package com.android.inputmethod.voice;
+package com.android.inputmethod.deprecated.voice;
 
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.SubtypeSwitcher;
diff --git a/java/src/com/android/inputmethod/voice/SettingsUtil.java b/java/src/com/android/inputmethod/deprecated/voice/SettingsUtil.java
index 4d746e120..7721fe268 100644
--- a/java/src/com/android/inputmethod/voice/SettingsUtil.java
+++ b/java/src/com/android/inputmethod/deprecated/voice/SettingsUtil.java
@@ -14,7 +14,7 @@
  * the License.
  */
 
-package com.android.inputmethod.voice;
+package com.android.inputmethod.deprecated.voice;
 
 import android.content.ContentResolver;
 import android.provider.Settings;
diff --git a/java/src/com/android/inputmethod/voice/SoundIndicator.java b/java/src/com/android/inputmethod/deprecated/voice/SoundIndicator.java
index 543290b32..8cc79de1e 100644
--- a/java/src/com/android/inputmethod/voice/SoundIndicator.java
+++ b/java/src/com/android/inputmethod/deprecated/voice/SoundIndicator.java
@@ -14,7 +14,7 @@
  * the License.
  */
 
-package com.android.inputmethod.voice;
+package com.android.inputmethod.deprecated.voice;
 
 import android.content.Context;
 import android.graphics.Bitmap;
diff --git a/java/src/com/android/inputmethod/voice/VoiceInput.java b/java/src/com/android/inputmethod/deprecated/voice/VoiceInput.java
index 2df9e8588..7ee0de9c9 100644
--- a/java/src/com/android/inputmethod/voice/VoiceInput.java
+++ b/java/src/com/android/inputmethod/deprecated/voice/VoiceInput.java
@@ -14,7 +14,7 @@
  * the License.
  */
 
-package com.android.inputmethod.voice;
+package com.android.inputmethod.deprecated.voice;
 
 import com.android.inputmethod.latin.EditingUtils;
 import com.android.inputmethod.latin.LatinImeLogger;
diff --git a/java/src/com/android/inputmethod/voice/VoiceInputLogger.java b/java/src/com/android/inputmethod/deprecated/voice/VoiceInputLogger.java
index 1cea681f8..3f59ad099 100644
--- a/java/src/com/android/inputmethod/voice/VoiceInputLogger.java
+++ b/java/src/com/android/inputmethod/deprecated/voice/VoiceInputLogger.java
@@ -14,7 +14,7 @@
  * the License.
  */
 
-package com.android.inputmethod.voice;
+package com.android.inputmethod.deprecated.voice;
 
 import com.android.common.speech.LoggingEvents;
 import com.android.common.userhappiness.UserHappinessSignals;
@@ -212,7 +212,7 @@ public class VoiceInputLogger {
         setHasLoggingInfo(true);
         Intent i = newLoggingBroadcast(LoggingEvents.VoiceIme.TEXT_MODIFIED);
         i.putExtra(LoggingEvents.VoiceIme.EXTRA_TEXT_MODIFIED_LENGTH, suggestionLength);
-        i.putExtra("rlength", replacedPhraseLength);
+        i.putExtra("length", replacedPhraseLength);
         i.putExtra(LoggingEvents.VoiceIme.EXTRA_TEXT_MODIFIED_TYPE,
                 LoggingEvents.VoiceIme.TEXT_MODIFIED_TYPE_CHOOSE_SUGGESTION);
 
@@ -257,7 +257,7 @@ public class VoiceInputLogger {
         // 2. type subject in subject field
         // 3. speak message in message field
         // 4. press send
-        // @@@ UserHappinessSignals.setHasVoiceLoggingInfo(hasLoggingInfo);
+        //  UserHappinessSignals.setHasVoiceLoggingInfo(hasLoggingInfo);
     }
 
     private boolean hasLoggingInfo(){
diff --git a/java/src/com/android/inputmethod/voice/WaveformImage.java b/java/src/com/android/inputmethod/deprecated/voice/WaveformImage.java
index 8bac669fc..a3025f252 100644
--- a/java/src/com/android/inputmethod/voice/WaveformImage.java
+++ b/java/src/com/android/inputmethod/deprecated/voice/WaveformImage.java
@@ -14,7 +14,7 @@
  * the License.
  */
 
-package com.android.inputmethod.voice;
+package com.android.inputmethod.deprecated.voice;
 
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
diff --git a/java/src/com/android/inputmethod/voice/Whitelist.java b/java/src/com/android/inputmethod/deprecated/voice/Whitelist.java
index f4c24de0c..310689cb2 100644
--- a/java/src/com/android/inputmethod/voice/Whitelist.java
+++ b/java/src/com/android/inputmethod/deprecated/voice/Whitelist.java
@@ -14,7 +14,7 @@
  * the License.
  */
 
-package com.android.inputmethod.voice;
+package com.android.inputmethod.deprecated.voice;
 
 import android.os.Bundle;
 
diff --git a/java/src/com/android/inputmethod/keyboard/Key.java b/java/src/com/android/inputmethod/keyboard/Key.java
index 23886ad97..7396f0518 100644
--- a/java/src/com/android/inputmethod/keyboard/Key.java
+++ b/java/src/com/android/inputmethod/keyboard/Key.java
@@ -95,7 +95,7 @@ public class Key {
     public boolean mPressed;
     /** If this is a sticky key, is it on? */
     public boolean mOn;
-    /** Key is enabled or not. */
+    /** Key is enabled and responds on press */
     public boolean mEnabled = true;
 
     private final static int[] KEY_STATE_NORMAL_ON = {
@@ -226,6 +226,7 @@ public class Key {
             mRepeatable = style.getBoolean(keyAttr, R.styleable.Keyboard_Key_isRepeatable, false);
             mModifier = style.getBoolean(keyAttr, R.styleable.Keyboard_Key_isModifier, false);
             mSticky = style.getBoolean(keyAttr, R.styleable.Keyboard_Key_isSticky, false);
+            mEnabled = style.getBoolean(keyAttr, R.styleable.Keyboard_Key_enabled, true);
             mEdgeFlags = style.getFlag(keyAttr, R.styleable.Keyboard_Key_keyEdgeFlags, 0)
                     | row.mRowEdgeFlags;
 
diff --git a/java/src/com/android/inputmethod/keyboard/KeyDetector.java b/java/src/com/android/inputmethod/keyboard/KeyDetector.java
index 3979fb53e..1a4f90195 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyDetector.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyDetector.java
@@ -22,6 +22,7 @@ import java.util.List;
 
 public abstract class KeyDetector {
     public static final int NOT_A_KEY = -1;
+    public static final int NOT_A_CODE = -1;
 
     protected Keyboard mKeyboard;
 
@@ -105,10 +106,10 @@ public abstract class KeyDetector {
      *
      * @param x The x-coordinate of a touch point
      * @param y The y-coordinate of a touch point
-     * @param allKeys All nearby key indices are returned in this array
+     * @param allCodes All nearby key code except functional key are returned in this array
      * @return The nearest key index
      */
-    abstract public int getKeyIndexAndNearbyCodes(int x, int y, int[] allKeys);
+    abstract public int getKeyIndexAndNearbyCodes(int x, int y, final int[] allCodes);
 
     /**
      * Compute the most common key width in order to use it as proximity key detection threshold.
@@ -116,14 +117,14 @@ public abstract class KeyDetector {
      * @param keyboard The keyboard to compute the most common key width
      * @return The most common key width in the keyboard
      */
-    public static int getMostCommonKeyWidth(Keyboard keyboard) {
+    public static int getMostCommonKeyWidth(final Keyboard keyboard) {
         if (keyboard == null) return 0;
         final List<Key> keys = keyboard.getKeys();
         if (keys == null || keys.size() == 0) return 0;
         final HashMap<Integer, Integer> histogram = new HashMap<Integer, Integer>();
         int maxCount = 0;
         int mostCommonWidth = 0;
-        for (Key key : keys) {
+        for (final Key key : keys) {
             final Integer width = key.mWidth + key.mGap;
             Integer count = histogram.get(width);
             if (count == null)
diff --git a/java/src/com/android/inputmethod/keyboard/KeyStyles.java b/java/src/com/android/inputmethod/keyboard/KeyStyles.java
index 44ec53181..169f2e6c3 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyStyles.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyStyles.java
@@ -188,6 +188,7 @@ public class KeyStyles {
             readBoolean(keyAttr, R.styleable.Keyboard_Key_isModifier);
             readBoolean(keyAttr, R.styleable.Keyboard_Key_isSticky);
             readBoolean(keyAttr, R.styleable.Keyboard_Key_isRepeatable);
+            readBoolean(keyAttr, R.styleable.Keyboard_Key_enabled);
         }
 
         private void readDrawable(TypedArray a, int index) {
diff --git a/java/src/com/android/inputmethod/keyboard/Keyboard.java b/java/src/com/android/inputmethod/keyboard/Keyboard.java
index 3a0bf53ab..06d44680d 100644
--- a/java/src/com/android/inputmethod/keyboard/Keyboard.java
+++ b/java/src/com/android/inputmethod/keyboard/Keyboard.java
@@ -132,6 +132,7 @@ public class Keyboard {
 
     // Variables for pre-computing nearest keys.
 
+    // TODO: Change GRID_WIDTH and GRID_HEIGHT to private.
     public final int GRID_WIDTH;
     public final int GRID_HEIGHT;
     private final int GRID_SIZE;
@@ -143,6 +144,8 @@ public class Keyboard {
     /** Number of key widths from current touch point to search for nearest keys. */
     private static float SEARCH_DISTANCE = 1.2f;
 
+    private final ProximityInfo mProximityInfo;
+
     /**
      * Creates a keyboard from the given xml key layout file.
      * @param context the application or service context
@@ -171,6 +174,11 @@ public class Keyboard {
         mDefaultHeight = mDefaultWidth;
         mId = id;
         loadKeyboard(context, xmlLayoutResId);
+        mProximityInfo = new ProximityInfo(GRID_WIDTH, GRID_HEIGHT);
+    }
+
+    public int getProximityInfo() {
+        return mProximityInfo.getNativeProximityInfo(this);
     }
 
     public List<Key> getKeys() {
@@ -345,7 +353,8 @@ public class Keyboard {
         return mId != null && mId.isNumberKeyboard();
     }
 
-    private void computeNearestNeighbors() {
+    // TODO: Move this function to ProximityInfo and make this private.
+    public void computeNearestNeighbors() {
         // Round-up so we don't have any pixels outside the grid
         mCellWidth = (getMinWidth() + GRID_WIDTH - 1) / GRID_WIDTH;
         mCellHeight = (getHeight() + GRID_HEIGHT - 1) / GRID_HEIGHT;
@@ -369,6 +378,7 @@ public class Keyboard {
                 mGridNeighbors[(y / mCellHeight) * GRID_WIDTH + (x / mCellWidth)] = cell;
             }
         }
+        mProximityInfo.setProximityInfo(mGridNeighbors, getMinWidth(), getHeight(), mKeys);
     }
 
     public boolean isInside(Key key, int x, int y) {
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java b/java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java
index 734a55a79..098af214e 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java
@@ -24,16 +24,20 @@ public interface KeyboardActionListener {
      *
      * @param primaryCode the unicode of the key being pressed. If the touch is not on a valid key,
      *            the value will be zero.
+     * @param withSliding true if pressing has occurred because the user slid finger from other key
+     *             to this key without releasing the finger.
      */
-    public void onPress(int primaryCode);
+    public void onPress(int primaryCode, boolean withSliding);
 
     /**
      * Called when the user releases a key. This is sent after the {@link #onCodeInput} is called.
      * For keys that repeat, this is only called once.
      *
      * @param primaryCode the code of the key that was released
+     * @param withSliding true if releasing has occurred because the user slid finger from the key
+     *             to other key without releasing the finger.
      */
-    public void onRelease(int primaryCode);
+    public void onRelease(int primaryCode, boolean withSliding);
 
     /**
      * Send a key code to the listener.
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardId.java b/java/src/com/android/inputmethod/keyboard/KeyboardId.java
index 8c70d8ffe..f68b68f1d 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardId.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardId.java
@@ -16,6 +16,8 @@
 
 package com.android.inputmethod.keyboard;
 
+import com.android.inputmethod.compat.EditorInfoCompatUtils;
+import com.android.inputmethod.compat.InputTypeCompatUtils;
 import com.android.inputmethod.latin.R;
 
 import android.view.inputmethod.EditorInfo;
@@ -41,29 +43,35 @@ public class KeyboardId {
     public final int mMode;
     public final int mXmlId;
     public final int mColorScheme;
+    public final boolean mPasswordInput;
     public final boolean mHasSettingsKey;
     public final boolean mVoiceKeyEnabled;
     public final boolean mHasVoiceKey;
-    public final int mImeOptions;
+    public final int mImeAction;
     public final boolean mEnableShiftLock;
     public final String mXmlName;
 
     private final int mHashCode;
 
-    public KeyboardId(String xmlName, int xmlId, Locale locale, int orientation, int mode,
-            int colorScheme, boolean hasSettingsKey, boolean voiceKeyEnabled, boolean hasVoiceKey,
-            int imeOptions, boolean enableShiftLock) {
+    public KeyboardId(String xmlName, int xmlId, int colorScheme, Locale locale, int orientation,
+            int mode, EditorInfo attribute, boolean hasSettingsKey, boolean voiceKeyEnabled,
+            boolean hasVoiceKey, boolean enableShiftLock) {
+        final int inputType = (attribute != null) ? attribute.inputType : 0;
+        final int imeOptions = (attribute != null) ? attribute.imeOptions : 0;
         this.mLocale = locale;
         this.mOrientation = orientation;
         this.mMode = mode;
         this.mXmlId = xmlId;
         this.mColorScheme = colorScheme;
+        this.mPasswordInput = InputTypeCompatUtils.isPasswordInputType(inputType)
+                || InputTypeCompatUtils.isVisiblePasswordInputType(inputType);
         this.mHasSettingsKey = hasSettingsKey;
         this.mVoiceKeyEnabled = voiceKeyEnabled;
         this.mHasVoiceKey = hasVoiceKey;
-        // We are interested only in IME_MASK_ACTION enum value and IME_FLAG_NO_ENTER_ACTION.
-        this.mImeOptions = imeOptions
-                & (EditorInfo.IME_MASK_ACTION | EditorInfo.IME_FLAG_NO_ENTER_ACTION);
+        // We are interested only in {@link EditorInfo#IME_MASK_ACTION} enum value and
+        // {@link EditorInfo#IME_FLAG_NO_ENTER_ACTION}.
+        this.mImeAction = imeOptions & (
+                EditorInfo.IME_MASK_ACTION | EditorInfo.IME_FLAG_NO_ENTER_ACTION);
         this.mEnableShiftLock = enableShiftLock;
         this.mXmlName = xmlName;
 
@@ -73,10 +81,11 @@ public class KeyboardId {
                 mode,
                 xmlId,
                 colorScheme,
+                mPasswordInput,
                 hasSettingsKey,
                 voiceKeyEnabled,
                 hasVoiceKey,
-                imeOptions,
+                mImeAction,
                 enableShiftLock,
         });
     }
@@ -112,10 +121,11 @@ public class KeyboardId {
             && other.mMode == this.mMode
             && other.mXmlId == this.mXmlId
             && other.mColorScheme == this.mColorScheme
+            && other.mPasswordInput == this.mPasswordInput
             && other.mHasSettingsKey == this.mHasSettingsKey
             && other.mVoiceKeyEnabled == this.mVoiceKeyEnabled
             && other.mHasVoiceKey == this.mHasVoiceKey
-            && other.mImeOptions == this.mImeOptions
+            && other.mImeAction == this.mImeAction
             && other.mEnableShiftLock == this.mEnableShiftLock;
     }
 
@@ -126,17 +136,19 @@ public class KeyboardId {
 
     @Override
     public String toString() {
-        return String.format("[%s.xml %s %s %s imeOptions=%s %s%s%s%s%s]",
+        return String.format("[%s.xml %s %s %s imeAction=%s %s%s%s%s%s%s]",
                 mXmlName,
                 mLocale,
                 (mOrientation == 1 ? "port" : "land"),
                 modeName(mMode),
-                imeOptionsName(mImeOptions),
-                colorSchemeName(mColorScheme),
+                EditorInfoCompatUtils.imeOptionsName(mImeAction),
+                (mPasswordInput ? " passwordInput" : ""),
                 (mHasSettingsKey ? " hasSettingsKey" : ""),
                 (mVoiceKeyEnabled ? " voiceKeyEnabled" : ""),
                 (mHasVoiceKey ? " hasVoiceKey" : ""),
-                (mEnableShiftLock ? " enableShiftLock" : ""));
+                (mEnableShiftLock ? " enableShiftLock" : ""),
+                colorSchemeName(mColorScheme)
+        );
     }
 
     public static String modeName(int mode) {
@@ -159,26 +171,4 @@ public class KeyboardId {
         }
         return null;
     }
-
-    public static String imeOptionsName(int imeOptions) {
-        if (imeOptions == -1) return null;
-        final int actionNo = imeOptions & EditorInfo.IME_MASK_ACTION;
-        final String action;
-        switch (actionNo) {
-        case EditorInfo.IME_ACTION_UNSPECIFIED: action = "actionUnspecified"; break;
-        case EditorInfo.IME_ACTION_NONE: action = "actionNone"; break;
-        case EditorInfo.IME_ACTION_GO: action = "actionGo"; break;
-        case EditorInfo.IME_ACTION_SEARCH: action = "actionSearch"; break;
-        case EditorInfo.IME_ACTION_SEND: action = "actionSend"; break;
-        case EditorInfo.IME_ACTION_DONE: action = "actionDone"; break;
-        // @@@ case EditorInfo.IME_ACTION_PREVIOUS: action = "actionPrevious"; break;
-        default: action = "actionUnknown(" + actionNo + ")"; break;
-        }
-        if ((imeOptions & EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) {
-            return "flagNoEnterAction|" + action;
-        } else {
-            return action;
-        }
-    }
 }
-
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardParser.java b/java/src/com/android/inputmethod/keyboard/KeyboardParser.java
index e8324e5fd..62e6f302d 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardParser.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardParser.java
@@ -16,6 +16,7 @@
 
 package com.android.inputmethod.keyboard;
 
+import com.android.inputmethod.compat.EditorInfoCompatUtils;
 import com.android.inputmethod.latin.R;
 
 import org.xmlpull.v1.XmlPullParser;
@@ -103,7 +104,7 @@ import java.util.List;
  */
 
 public class KeyboardParser {
-    private static final String TAG = "KeyboardParser";
+    private static final String TAG = KeyboardParser.class.getSimpleName();
     private static final boolean DEBUG = false;
 
     // Keyboard XML Tags
@@ -279,8 +280,8 @@ public class KeyboardParser {
             checkEndTag(TAG_KEY, parser);
         } else {
             Key key = new Key(mResources, row, mCurrentX, mCurrentY, parser, mKeyStyles);
-            if (DEBUG) Log.d(TAG, String.format("<%s keyLabel=%s code=%d popupCharacters=%s />",
-                    TAG_KEY, key.mLabel, key.mCode,
+            if (DEBUG) Log.d(TAG, String.format("<%s%s keyLabel=%s code=%d popupCharacters=%s />",
+                    TAG_KEY, (key.mEnabled ? "" : " disabled"), key.mLabel, key.mCode,
                     Arrays.toString(key.mPopupCharacters)));
             checkEndTag(TAG_KEY, parser);
             keys.add(key);
@@ -419,6 +420,8 @@ public class KeyboardParser {
         try {
             final boolean modeMatched = matchInteger(a,
                     R.styleable.Keyboard_Case_mode, id.mMode);
+            final boolean passwordInputMatched = matchBoolean(a,
+                    R.styleable.Keyboard_Case_passwordInput, id.mPasswordInput);
             final boolean settingsKeyMatched = matchBoolean(a,
                     R.styleable.Keyboard_Case_hasSettingsKey, id.mHasSettingsKey);
             final boolean voiceEnabledMatched = matchBoolean(a,
@@ -427,24 +430,34 @@ public class KeyboardParser {
                     R.styleable.Keyboard_Case_hasVoiceKey, id.mHasVoiceKey);
             final boolean colorSchemeMatched = matchInteger(viewAttr,
                     R.styleable.KeyboardView_colorScheme, id.mColorScheme);
-            // As noted at KeyboardSwitcher.KeyboardId class, we are interested only in
-            // enum value masked by IME_MASK_ACTION and IME_FLAG_NO_ENTER_ACTION. So matching
+            // As noted at {@link KeyboardId} class, we are interested only in enum value masked by
+            // {@link android.view.inputmethod.EditorInfo#IME_MASK_ACTION} and
+            // {@link android.view.inputmethod.EditorInfo#IME_FLAG_NO_ENTER_ACTION}. So matching
             // this attribute with id.mImeOptions as integer value is enough for our purpose.
-            final boolean imeOptionsMatched = matchInteger(a,
-                    R.styleable.Keyboard_Case_imeOptions, id.mImeOptions);
-            final boolean selected = modeMatched && settingsKeyMatched && voiceEnabledMatched
-                    && voiceKeyMatched && colorSchemeMatched && imeOptionsMatched;
-
-            if (DEBUG) Log.d(TAG, String.format("<%s%s%s%s%s%s%s> %s", TAG_CASE,
+            final boolean imeActionMatched = matchInteger(a,
+                    R.styleable.Keyboard_Case_imeAction, id.mImeAction);
+            final boolean languageCodeMatched = matchString(a,
+                    R.styleable.Keyboard_Case_languageCode, id.mLocale.getLanguage());
+            final boolean countryCodeMatched = matchString(a,
+                    R.styleable.Keyboard_Case_countryCode, id.mLocale.getCountry());
+            final boolean selected = modeMatched && passwordInputMatched && settingsKeyMatched
+                    && voiceEnabledMatched && voiceKeyMatched && colorSchemeMatched
+                    && imeActionMatched && languageCodeMatched && countryCodeMatched;
+
+            if (DEBUG) Log.d(TAG, String.format("<%s%s%s%s%s%s%s%s%s%s> %s", TAG_CASE,
                     textAttr(KeyboardId.modeName(
                             a.getInt(R.styleable.Keyboard_Case_mode, -1)), "mode"),
                     textAttr(KeyboardId.colorSchemeName(
-                            a.getInt(R.styleable.KeyboardView_colorScheme, -1)), "colorSchemeName"),
+                            viewAttr.getInt(
+                                    R.styleable.KeyboardView_colorScheme, -1)), "colorSchemeName"),
+                    booleanAttr(a, R.styleable.Keyboard_Case_passwordInput, "passwordInput"),
                     booleanAttr(a, R.styleable.Keyboard_Case_hasSettingsKey, "hasSettingsKey"),
                     booleanAttr(a, R.styleable.Keyboard_Case_voiceKeyEnabled, "voiceKeyEnabled"),
                     booleanAttr(a, R.styleable.Keyboard_Case_hasVoiceKey, "hasVoiceKey"),
-                    textAttr(KeyboardId.imeOptionsName(
-                            a.getInt(R.styleable.Keyboard_Case_imeOptions, -1)), "imeOptions"),
+                    textAttr(EditorInfoCompatUtils.imeOptionsName(
+                            a.getInt(R.styleable.Keyboard_Case_imeAction, -1)), "imeAction"),
+                    textAttr(a.getString(R.styleable.Keyboard_Case_languageCode), "languageCode"),
+                    textAttr(a.getString(R.styleable.Keyboard_Case_countryCode), "countryCode"),
                     Boolean.toString(selected)));
 
             return selected;
@@ -466,6 +479,12 @@ public class KeyboardParser {
         return !a.hasValue(index) || a.getBoolean(index, false) == value;
     }
 
+    private static boolean matchString(TypedArray a, int index, String value) {
+        // If <case> does not have "index" attribute, that means this <case> is wild-card for the
+        // attribute.
+        return !a.hasValue(index) || a.getString(index).equals(value);
+    }
+
     private boolean parseDefault(XmlResourceParser parser, Row row, List<Key> keys)
             throws XmlPullParserException, IOException {
         if (DEBUG) Log.d(TAG, String.format("<%s>", TAG_DEFAULT));
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java b/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
index 2648ff3d4..cfa3c446e 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
@@ -16,6 +16,7 @@
 
 package com.android.inputmethod.keyboard;
 
+import com.android.inputmethod.compat.InputMethodManagerCompatWrapper;
 import com.android.inputmethod.latin.LatinIME;
 import com.android.inputmethod.latin.LatinImeLogger;
 import com.android.inputmethod.latin.R;
@@ -28,7 +29,7 @@ import android.content.SharedPreferences;
 import android.content.res.Resources;
 import android.util.Log;
 import android.view.InflateException;
-import android.view.inputmethod.InputMethodManager;
+import android.view.inputmethod.EditorInfo;
 
 import java.lang.ref.SoftReference;
 import java.util.HashMap;
@@ -66,8 +67,7 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
     private final HashMap<KeyboardId, SoftReference<LatinKeyboard>> mKeyboardCache =
             new HashMap<KeyboardId, SoftReference<LatinKeyboard>>();
 
-    private int mMode = KeyboardId.MODE_TEXT; /* default value */
-    private int mImeOptions;
+    private EditorInfo mAttribute;
     private boolean mIsSymbols;
     /** mIsAutoCorrectionActive indicates that auto corrected word will be input instead of
      * what user actually typed. */
@@ -83,8 +83,8 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
     private static final int AUTO_MODE_SWITCH_STATE_CHORDING = 4;
     private int mAutoModeSwitchState = AUTO_MODE_SWITCH_STATE_ALPHA;
 
-    // Indicates whether or not we have the settings key
-    private boolean mHasSettingsKey;
+    // Indicates whether or not we have the settings key in option of settings
+    private boolean mSettingsKeyEnabledInSettings;
     private static final int SETTINGS_KEY_MODE_AUTO = R.string.settings_key_mode_auto;
     private static final int SETTINGS_KEY_MODE_ALWAYS_SHOW =
             R.string.settings_key_mode_always_show;
@@ -122,77 +122,47 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
         prefs.registerOnSharedPreferenceChangeListener(sInstance);
     }
 
-    private void makeSymbolsKeyboardIds() {
-        final Locale locale = mSubtypeSwitcher.getInputLocale();
-        final Resources res = mInputMethodService.getResources();
-        final int orientation = res.getConfiguration().orientation;
-        final int mode = mMode;
-        final int colorScheme = getColorScheme();
-        final boolean hasSettingsKey = mHasSettingsKey;
-        final boolean voiceKeyEnabled = mVoiceKeyEnabled;
-        final boolean hasVoiceKey = voiceKeyEnabled && !mVoiceButtonOnPrimary;
-        final int imeOptions = mImeOptions;
-        // Note: This comment is only applied for phone number keyboard layout.
-        // On non-xlarge device, "@integer/key_switch_alpha_symbol" key code is used to switch
-        // between "phone keyboard" and "phone symbols keyboard".  But on xlarge device,
-        // "@integer/key_shift" key code is used for that purpose in order to properly display
-        // "more" and "locked more" key labels.  To achieve these behavior, we should initialize
-        // mSymbolsId and mSymbolsShiftedId to "phone keyboard" and "phone symbols keyboard"
-        // respectively here for xlarge device's layout switching.
-        int xmlId = mode == KeyboardId.MODE_PHONE ? R.xml.kbd_phone : R.xml.kbd_symbols;
-        mSymbolsId = new KeyboardId(
-                res.getResourceEntryName(xmlId), xmlId, locale, orientation, mode, colorScheme,
-                hasSettingsKey, voiceKeyEnabled, hasVoiceKey, imeOptions, true);
-        xmlId = mode == KeyboardId.MODE_PHONE ? R.xml.kbd_phone_symbols : R.xml.kbd_symbols_shift;
-        mSymbolsShiftedId = new KeyboardId(
-                res.getResourceEntryName(xmlId), xmlId, locale, orientation, mode, colorScheme,
-                hasSettingsKey, voiceKeyEnabled, hasVoiceKey, imeOptions, true);
-    }
-
-    private boolean hasVoiceKey(boolean isSymbols) {
-        return mVoiceKeyEnabled && (isSymbols != mVoiceButtonOnPrimary);
-    }
-
-    public void loadKeyboard(int mode, int imeOptions, boolean voiceKeyEnabled,
+    public void loadKeyboard(EditorInfo attribute, boolean voiceKeyEnabled,
             boolean voiceButtonOnPrimary) {
         mAutoModeSwitchState = AUTO_MODE_SWITCH_STATE_ALPHA;
         try {
-            if (mInputView == null) return;
-            final Keyboard oldKeyboard = mInputView.getKeyboard();
-            loadKeyboardInternal(mode, imeOptions, voiceKeyEnabled, voiceButtonOnPrimary, false);
-            final Keyboard newKeyboard = mInputView.getKeyboard();
-            if (newKeyboard.isAlphaKeyboard()) {
-                final boolean localeChanged = (oldKeyboard == null)
-                        || !newKeyboard.mId.mLocale.equals(oldKeyboard.mId.mLocale);
-                mInputMethodService.mHandler.startDisplayLanguageOnSpacebar(localeChanged);
-            }
+            loadKeyboardInternal(attribute, voiceKeyEnabled, voiceButtonOnPrimary, false);
         } catch (RuntimeException e) {
-            Log.w(TAG, e);
-            LatinImeLogger.logOnException(mode + "," + imeOptions, e);
+            // Get KeyboardId to record which keyboard has been failed to load.
+            final KeyboardId id = getKeyboardId(attribute, false);
+            Log.w(TAG, "loading keyboard failed: " + id, e);
+            LatinImeLogger.logOnException(id.toString(), e);
         }
     }
 
-    private void loadKeyboardInternal(int mode, int imeOptions, boolean voiceButtonEnabled,
+    private void loadKeyboardInternal(EditorInfo attribute, boolean voiceButtonEnabled,
             boolean voiceButtonOnPrimary, boolean isSymbols) {
         if (mInputView == null) return;
 
-        mMode = mode;
-        mImeOptions = imeOptions;
+        mAttribute = attribute;
         mVoiceKeyEnabled = voiceButtonEnabled;
         mVoiceButtonOnPrimary = voiceButtonOnPrimary;
         mIsSymbols = isSymbols;
         // Update the settings key state because number of enabled IMEs could have been changed
-        mHasSettingsKey = getSettingsKeyMode(mPrefs, mInputMethodService);
-        final KeyboardId id = getKeyboardId(mode, imeOptions, isSymbols);
+        mSettingsKeyEnabledInSettings = getSettingsKeyMode(mPrefs, mInputMethodService);
+        final KeyboardId id = getKeyboardId(attribute, isSymbols);
 
         final Keyboard oldKeyboard = mInputView.getKeyboard();
         if (oldKeyboard != null && oldKeyboard.mId.equals(id))
             return;
 
-        makeSymbolsKeyboardIds();
+        makeSymbolsKeyboardIds(id.mMode, attribute);
         mCurrentId = id;
         mInputView.setPreviewEnabled(mInputMethodService.getPopupOn());
-        mInputView.setKeyboard(getKeyboard(id));
+        setKeyboard(getKeyboard(id));
+    }
+
+    private void setKeyboard(final Keyboard newKeyboard) {
+        final Keyboard oldKeyboard = mInputView.getKeyboard();
+        mInputView.setKeyboard(newKeyboard);
+        final boolean localeChanged = (oldKeyboard == null)
+                || !newKeyboard.mId.mLocale.equals(oldKeyboard.mId.mLocale);
+        mInputMethodService.mHandler.startDisplayLanguageOnSpacebar(localeChanged);
     }
 
     private LatinKeyboard getKeyboard(KeyboardId id) {
@@ -224,11 +194,22 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
         // displayed on its spacebar, it might have had arbitrary text fade factor. In such case,
         // we should reset the text fade factor. It is also applicable to shortcut key.
         keyboard.setSpacebarTextFadeFactor(0.0f, null);
-        keyboard.updateShortcutKey(mSubtypeSwitcher.isShortcutAvailable(), null);
+        keyboard.updateShortcutKey(mSubtypeSwitcher.isShortcutImeReady(), null);
         return keyboard;
     }
 
-    private KeyboardId getKeyboardId(int mode, int imeOptions, boolean isSymbols) {
+    private boolean hasVoiceKey(boolean isSymbols) {
+        return mVoiceKeyEnabled && (isSymbols != mVoiceButtonOnPrimary);
+    }
+
+    private boolean hasSettingsKey(EditorInfo attribute) {
+        return mSettingsKeyEnabledInSettings
+            && !Utils.inPrivateImeOptions(mInputMethodService.getPackageName(),
+                    LatinIME.IME_OPTION_NO_SETTINGS_KEY, attribute);
+    }
+
+    private KeyboardId getKeyboardId(EditorInfo attribute, boolean isSymbols) {
+        final int mode = Utils.getKeyboardMode(attribute);
         final boolean hasVoiceKey = hasVoiceKey(isSymbols);
         final int charColorId = getColorScheme();
         final int xmlId;
@@ -256,16 +237,40 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
                 enableShiftLock = true;
             }
         }
+        final boolean hasSettingsKey = hasSettingsKey(attribute);
         final Resources res = mInputMethodService.getResources();
         final int orientation = res.getConfiguration().orientation;
         final Locale locale = mSubtypeSwitcher.getInputLocale();
         return new KeyboardId(
-                res.getResourceEntryName(xmlId), xmlId, locale, orientation, mode, charColorId,
-                mHasSettingsKey, mVoiceKeyEnabled, hasVoiceKey, imeOptions, enableShiftLock);
+                res.getResourceEntryName(xmlId), xmlId, charColorId, locale, orientation, mode,
+                attribute, hasSettingsKey, mVoiceKeyEnabled, hasVoiceKey, enableShiftLock);
+    }
+
+    private void makeSymbolsKeyboardIds(final int mode, EditorInfo attribute) {
+        final Locale locale = mSubtypeSwitcher.getInputLocale();
+        final Resources res = mInputMethodService.getResources();
+        final int orientation = res.getConfiguration().orientation;
+        final int colorScheme = getColorScheme();
+        final boolean hasVoiceKey = mVoiceKeyEnabled && !mVoiceButtonOnPrimary;
+        final boolean hasSettingsKey = hasSettingsKey(attribute);
+        // Note: This comment is only applied for phone number keyboard layout.
+        // On non-xlarge device, "@integer/key_switch_alpha_symbol" key code is used to switch
+        // between "phone keyboard" and "phone symbols keyboard".  But on xlarge device,
+        // "@integer/key_shift" key code is used for that purpose in order to properly display
+        // "more" and "locked more" key labels.  To achieve these behavior, we should initialize
+        // mSymbolsId and mSymbolsShiftedId to "phone keyboard" and "phone symbols keyboard"
+        // respectively here for xlarge device's layout switching.
+        int xmlId = mode == KeyboardId.MODE_PHONE ? R.xml.kbd_phone : R.xml.kbd_symbols;
+        final String xmlName = res.getResourceEntryName(xmlId);
+        mSymbolsId = new KeyboardId(xmlName, xmlId, colorScheme, locale, orientation, mode,
+                attribute, hasSettingsKey, mVoiceKeyEnabled, hasVoiceKey, true);
+        xmlId = mode == KeyboardId.MODE_PHONE ? R.xml.kbd_phone_symbols : R.xml.kbd_symbols_shift;
+        mSymbolsShiftedId = new KeyboardId(xmlName, xmlId, colorScheme, locale, orientation, mode,
+                attribute, hasSettingsKey, mVoiceKeyEnabled, hasVoiceKey, true);
     }
 
     public int getKeyboardMode() {
-        return mMode;
+        return mCurrentId != null ? mCurrentId.mMode : KeyboardId.MODE_TEXT;
     }
 
     public boolean isAlphabetMode() {
@@ -278,22 +283,19 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
 
     public boolean isKeyboardAvailable() {
         if (mInputView != null)
-            return mInputView.getLatinKeyboard() != null;
+            return mInputView.getKeyboard() != null;
         return false;
     }
 
-    private LatinKeyboard getLatinKeyboard() {
-        if (mInputView != null)
-            return mInputView.getLatinKeyboard();
+    public LatinKeyboard getLatinKeyboard() {
+        if (mInputView != null) {
+            final Keyboard keyboard = mInputView.getKeyboard();
+            if (keyboard instanceof LatinKeyboard)
+                return (LatinKeyboard)keyboard;
+        }
         return null;
     }
 
-    public void setPreferredLetters(int[] frequencies) {
-        LatinKeyboard latinKeyboard = getLatinKeyboard();
-        if (latinKeyboard != null)
-            latinKeyboard.setPreferredLetters(frequencies);
-    }
-
     public void keyReleased() {
         LatinKeyboard latinKeyboard = getLatinKeyboard();
         if (latinKeyboard != null)
@@ -342,7 +344,8 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
             // state when shift key is pressed to go to normal mode.
             // On the other hand, on distinct multi touch panel device, turning off the shift locked
             // state with shift key pressing is handled by onReleaseShift().
-            if (!hasDistinctMultitouch() && !shifted && latinKeyboard.isShiftLocked()) {
+            if ((!hasDistinctMultitouch() || isAccessibilityEnabled())
+                    && !shifted && latinKeyboard.isShiftLocked()) {
                 latinKeyboard.setShiftLocked(false);
             }
             if (latinKeyboard.setShifted(shifted)) {
@@ -437,14 +440,17 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
         updateShiftState();
     }
 
-    public void onPressShift() {
+    public void onPressShift(boolean withSliding) {
         if (!isKeyboardAvailable())
             return;
+        // If accessibility is enabled, disable momentary shift lock.
+        if (isAccessibilityEnabled())
+            return;
         ShiftKeyState shiftKeyState = mShiftKeyState;
         if (DEBUG_STATE)
             Log.d(TAG, "onPressShift:"
                     + " keyboard=" + getLatinKeyboard().getKeyboardShiftState()
-                    + " shiftKeyState=" + shiftKeyState);
+                    + " shiftKeyState=" + shiftKeyState + " sliding=" + withSliding);
         if (isAlphabetMode()) {
             if (isShiftLocked()) {
                 // Shift key is pressed while caps lock state, we will treat this state as shifted
@@ -472,25 +478,30 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
         }
     }
 
-    public void onReleaseShift() {
+    public void onReleaseShift(boolean withSliding) {
         if (!isKeyboardAvailable())
             return;
+        // If accessibility is enabled, disable momentary shift lock.
+        if (isAccessibilityEnabled())
+            return;
         ShiftKeyState shiftKeyState = mShiftKeyState;
         if (DEBUG_STATE)
             Log.d(TAG, "onReleaseShift:"
                     + " keyboard=" + getLatinKeyboard().getKeyboardShiftState()
-                    + " shiftKeyState=" + shiftKeyState);
+                    + " shiftKeyState=" + shiftKeyState + " sliding=" + withSliding);
         if (isAlphabetMode()) {
             if (shiftKeyState.isMomentary()) {
                 // After chording input while normal state.
                 toggleShift();
-            } else if (isShiftLocked() && !shiftKeyState.isIgnoring()) {
+            } else if (isShiftLocked() && !shiftKeyState.isIgnoring() && !withSliding) {
                 // Shift has been pressed without chording while caps lock state.
                 toggleCapsLock();
-            } else if (isShiftedOrShiftLocked() && shiftKeyState.isPressingOnShifted()) {
+            } else if (isShiftedOrShiftLocked() && shiftKeyState.isPressingOnShifted()
+                    && !withSliding) {
                 // Shift has been pressed without chording while shifted state.
                 toggleShift();
-            } else if (isManualTemporaryUpperCaseFromAuto() && shiftKeyState.isPressing()) {
+            } else if (isManualTemporaryUpperCaseFromAuto() && shiftKeyState.isPressing()
+                    && !withSliding) {
                 // Shift has been pressed without chording while manual temporary upper case
                 // transited from automatic temporary upper case.
                 toggleShift();
@@ -500,6 +511,9 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
     }
 
     public void onPressSymbol() {
+        // If accessibility is enabled, disable momentary symbol lock.
+        if (isAccessibilityEnabled())
+            return;
         if (DEBUG_STATE)
             Log.d(TAG, "onPressSymbol:"
                     + " keyboard=" + getLatinKeyboard().getKeyboardShiftState()
@@ -510,6 +524,9 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
     }
 
     public void onReleaseSymbol() {
+        // If accessibility is enabled, disable momentary symbol lock.
+        if (isAccessibilityEnabled())
+            return;
         if (DEBUG_STATE)
             Log.d(TAG, "onReleaseSymbol:"
                     + " keyboard=" + getLatinKeyboard().getKeyboardShiftState()
@@ -522,6 +539,9 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
     }
 
     public void onOtherKeyPressed() {
+        // If accessibility is enabled, disable momentary mode locking.
+        if (isAccessibilityEnabled())
+            return;
         if (DEBUG_STATE)
             Log.d(TAG, "onOtherKeyPressed:"
                     + " keyboard=" + getLatinKeyboard().getKeyboardShiftState()
@@ -556,7 +576,7 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
             // indicator, we need to call enableShiftLock() and setShiftLocked(false).
             keyboard.setShifted(false);
         }
-        mInputView.setKeyboard(keyboard);
+        setKeyboard(keyboard);
     }
 
     public boolean isInMomentaryAutoModeSwitchState() {
@@ -572,8 +592,7 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
     }
 
     private void toggleKeyboardMode() {
-        loadKeyboardInternal(mMode, mImeOptions, mVoiceKeyEnabled, mVoiceButtonOnPrimary,
-                !mIsSymbols);
+        loadKeyboardInternal(mAttribute, mVoiceKeyEnabled, mVoiceButtonOnPrimary, !mIsSymbols);
         if (mIsSymbols) {
             mAutoModeSwitchState = AUTO_MODE_SWITCH_STATE_SYMBOL_BEGIN;
         } else {
@@ -581,6 +600,10 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
         }
     }
 
+    public boolean isAccessibilityEnabled() {
+        return mInputView != null && mInputView.isAccessibilityEnabled();
+    }
+
     public boolean hasDistinctMultitouch() {
         return mInputView != null && mInputView.hasDistinctMultitouch();
     }
@@ -696,7 +719,8 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
             createInputViewInternal(layoutId, false);
             postSetInputView();
         } else if (Settings.PREF_SETTINGS_KEY.equals(key)) {
-            mHasSettingsKey = getSettingsKeyMode(sharedPreferences, mInputMethodService);
+            mSettingsKeyEnabledInSettings = getSettingsKeyMode(sharedPreferences,
+                    mInputMethodService);
             createInputViewInternal(mLayoutId, true);
             postSetInputView();
         }
@@ -728,11 +752,12 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
             if (settingsKeyMode.equals(resources.getString(SETTINGS_KEY_MODE_ALWAYS_SHOW))
                     || (settingsKeyMode.equals(resources.getString(SETTINGS_KEY_MODE_AUTO))
                             && Utils.hasMultipleEnabledIMEsOrSubtypes(
-                                    ((InputMethodManager) context.getSystemService(
-                                            Context.INPUT_METHOD_SERVICE))))) {
+                                    (InputMethodManagerCompatWrapper.getInstance(context))))) {
                 return true;
             }
+            return false;
         }
-        return false;
+        // If the show settings key option is disabled, we always try showing the settings key.
+        return true;
     }
 }
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardView.java b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
index d4c5e579b..61af15b1d 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
@@ -26,6 +26,7 @@ import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
+import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.Paint.Align;
 import android.graphics.PorterDuff;
@@ -36,6 +37,7 @@ import android.graphics.drawable.Drawable;
 import android.os.Handler;
 import android.os.Message;
 import android.os.SystemClock;
+import android.provider.Settings;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.util.TypedValue;
@@ -145,6 +147,9 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
     private final boolean mHasDistinctMultitouch;
     private int mOldPointerCount = 1;
 
+    // Accessibility
+    private boolean mIsAccessibilityEnabled;
+
     protected KeyDetector mKeyDetector = new ProximityKeyDetector();
 
     // Swipe gesture detector
@@ -522,7 +527,7 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
     }
 
     /**
-     * Return whether the device has distinct multi-touch panel.
+     * Returns whether the device has distinct multi-touch panel.
      * @return true if the device has distinct multi-touch panel.
      */
     @Override
@@ -531,6 +536,28 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
     }
 
     /**
+     * Enables or disables accessibility.
+     * @param accessibilityEnabled whether or not to enable accessibility
+     */
+    public void setAccessibilityEnabled(boolean accessibilityEnabled) {
+        mIsAccessibilityEnabled = accessibilityEnabled;
+
+        // Propagate this change to all existing pointer trackers.
+        for (PointerTracker tracker : mPointerTrackers) {
+            tracker.setAccessibilityEnabled(accessibilityEnabled);
+        }
+    }
+
+    /**
+     * Returns whether the device has accessibility enabled.
+     * @return true if the device has accessibility enabled.
+     */
+    @Override
+    public boolean isAccessibilityEnabled() {
+        return mIsAccessibilityEnabled;
+    }
+
+    /**
      * Enables or disables the key feedback popup. This is a popup that shows a magnified
      * version of the depressed key. By default the preview is enabled.
      * @param previewEnabled whether or not to enable the key feedback popup
@@ -705,8 +732,13 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
                 } else {
                     paint.setColor(mKeyTextColor);
                 }
-                // Set a drop shadow for the text
-                paint.setShadowLayer(mShadowRadius, 0, 0, mShadowColor);
+                if (key.mEnabled) {
+                    // Set a drop shadow for the text
+                    paint.setShadowLayer(mShadowRadius, 0, 0, mShadowColor);
+                } else {
+                    // Make label invisible
+                    paint.setColor(Color.TRANSPARENT);
+                }
                 canvas.drawText(label, positionX, baseline, paint);
                 // Turn off drop shadow
                 paint.setShadowLayer(0, 0, 0, 0);
@@ -756,6 +788,8 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
             canvas.translate(-key.mX - kbdPaddingLeft, -key.mY - kbdPaddingTop);
         }
 
+        // TODO: Move this function to ProximityInfo for getting rid of public declarations for
+        // GRID_WIDTH and GRID_HEIGHT
         if (DEBUG_KEYBOARD_GRID) {
             Paint p = new Paint();
             p.setStyle(Paint.Style.STROKE);
@@ -1022,7 +1056,7 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
         mKeyboardActionListener.onCodeInput(Keyboard.CODE_CAPSLOCK, null, 0, 0);
     }
 
-    private void onDoubleTapShiftKey(@SuppressWarnings("unused") PointerTracker tracker) {
+    private void onDoubleTapShiftKey(PointerTracker tracker) {
         // When shift key is double tapped, the first tap is correctly processed as usual tap. And
         // the second tap is treated as this double tap event, so that we need not mark tracker
         // calling setAlreadyProcessed() nor remove the tracker from mPointerQueueueue.
@@ -1060,12 +1094,12 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
                 // Nothing to do.
             }
             @Override
-            public void onPress(int primaryCode) {
-                mKeyboardActionListener.onPress(primaryCode);
+            public void onPress(int primaryCode, boolean withSliding) {
+                mKeyboardActionListener.onPress(primaryCode, withSliding);
             }
             @Override
-            public void onRelease(int primaryCode) {
-                mKeyboardActionListener.onRelease(primaryCode);
+            public void onRelease(int primaryCode, boolean withSliding) {
+                mKeyboardActionListener.onRelease(primaryCode, withSliding);
             }
         });
         // Override default ProximityKeyDetector.
@@ -1204,15 +1238,18 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
         // TODO: cleanup this code into a multi-touch to single-touch event converter class?
         // If the device does not have distinct multi-touch support panel, ignore all multi-touch
         // events except a transition from/to single-touch.
-        if (!mHasDistinctMultitouch && pointerCount > 1 && oldPointerCount > 1) {
+        if ((!mHasDistinctMultitouch || mIsAccessibilityEnabled)
+                && pointerCount > 1 && oldPointerCount > 1) {
             return true;
         }
 
         // Track the last few movements to look for spurious swipes.
         mSwipeTracker.addMovement(me);
 
-        // Gesture detector must be enabled only when mini-keyboard is not on the screen.
-        if (mMiniKeyboardView == null
+        // Gesture detector must be enabled only when mini-keyboard is not on the screen and
+        // accessibility is not enabled.
+        // TODO: Reconcile gesture detection and accessibility features.
+        if (mMiniKeyboardView == null && !mIsAccessibilityEnabled
                 && mGestureDetector != null && mGestureDetector.onTouchEvent(me)) {
             dismissKeyPreview();
             mHandler.cancelKeyTimers();
@@ -1257,7 +1294,7 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
         // TODO: cleanup this code into a multi-touch to single-touch event converter class?
         // Translate mutli-touch event to single-touch events on the device that has no distinct
         // multi-touch panel.
-        if (!mHasDistinctMultitouch) {
+        if (!mHasDistinctMultitouch || mIsAccessibilityEnabled) {
             // Use only main (id=0) pointer tracker.
             PointerTracker tracker = getPointerTracker(0);
             if (pointerCount == 1 && oldPointerCount == 2) {
diff --git a/java/src/com/android/inputmethod/keyboard/LatinKeyboard.java b/java/src/com/android/inputmethod/keyboard/LatinKeyboard.java
index ffb8d6410..5820049bb 100644
--- a/java/src/com/android/inputmethod/keyboard/LatinKeyboard.java
+++ b/java/src/com/android/inputmethod/keyboard/LatinKeyboard.java
@@ -21,6 +21,7 @@ import com.android.inputmethod.latin.SubtypeSwitcher;
 
 import android.content.Context;
 import android.content.res.Resources;
+import android.content.res.Resources.Theme;
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
@@ -31,17 +32,12 @@ import android.graphics.PorterDuff;
 import android.graphics.Rect;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
-import android.util.Log;
 
 import java.util.List;
 import java.util.Locale;
 
 // TODO: We should remove this class
 public class LatinKeyboard extends Keyboard {
-
-    private static final boolean DEBUG_PREFERRED_LETTER = false;
-    private static final String TAG = "LatinKeyboard";
-
     public static final int OPACITY_FULLY_OPAQUE = 255;
     private static final int SPACE_LED_LENGTH_PERCENT = 80;
 
@@ -69,15 +65,7 @@ public class LatinKeyboard extends Keyboard {
     private final Drawable mEnabledShortcutIcon;
     private final Drawable mDisabledShortcutIcon;
 
-    private int[] mPrefLetterFrequencies;
-    private int mPrefLetter;
-    private int mPrefLetterX;
-    private int mPrefLetterY;
-    private int mPrefDistance;
-
     private static final float SPACEBAR_DRAG_THRESHOLD = 0.8f;
-    private static final float OVERLAP_PERCENTAGE_LOW_PROB = 0.70f;
-    private static final float OVERLAP_PERCENTAGE_HIGH_PROB = 0.85f;
     // Minimum width of space key preview (proportional to keyboard width)
     private static final float SPACEBAR_POPUP_MIN_RATIO = 0.4f;
     // Height in space key the language name will be drawn. (proportional to space key height)
@@ -167,6 +155,8 @@ public class LatinKeyboard extends Keyboard {
     }
 
     private void updateSpacebarForLocale(boolean isAutoCorrection) {
+        if (mSpaceKey == null)
+            return;
         final Resources res = mContext.getResources();
         // If application locales are explicitly selected.
         if (SubtypeSwitcher.getInstance().needsToDisplayLanguage()) {
@@ -265,7 +255,7 @@ public class LatinKeyboard extends Keyboard {
             final boolean allowVariableTextSize = true;
             final String language = layoutSpacebar(paint, subtypeSwitcher.getInputLocale(),
                     mButtonArrowLeftIcon, mButtonArrowRightIcon, width, height,
-                    getTextSizeFromTheme(textStyle, defaultTextSize),
+                    getTextSizeFromTheme(mContext.getTheme(), textStyle, defaultTextSize),
                     allowVariableTextSize);
 
             // Draw language text with shadow
@@ -334,18 +324,9 @@ public class LatinKeyboard extends Keyboard {
         return mSpaceDragLastDiff > 0 ? 1 : -1;
     }
 
-    public void setPreferredLetters(int[] frequencies) {
-        mPrefLetterFrequencies = frequencies;
-        mPrefLetter = 0;
-    }
-
     public void keyReleased() {
         mCurrentlyInSpace = false;
         mSpaceDragLastDiff = 0;
-        mPrefLetter = 0;
-        mPrefLetterX = 0;
-        mPrefLetterY = 0;
-        mPrefDistance = Integer.MAX_VALUE;
         if (mSpaceKey != null) {
             updateLocaleDrag(Integer.MAX_VALUE);
         }
@@ -381,80 +362,6 @@ public class LatinKeyboard extends Keyboard {
                     return isOnSpace;
                 }
             }
-        } else if (mPrefLetterFrequencies != null) {
-            // New coordinate? Reset
-            if (mPrefLetterX != x || mPrefLetterY != y) {
-                mPrefLetter = 0;
-                mPrefDistance = Integer.MAX_VALUE;
-            }
-            // Handle preferred next letter
-            final int[] pref = mPrefLetterFrequencies;
-            if (mPrefLetter > 0) {
-                if (DEBUG_PREFERRED_LETTER) {
-                    if (mPrefLetter == code && !key.isOnKey(x, y)) {
-                        Log.d(TAG, "CORRECTED !!!!!!");
-                    }
-                }
-                return mPrefLetter == code;
-            } else {
-                final boolean isOnKey = key.isOnKey(x, y);
-                int[] nearby = getNearestKeys(x, y);
-                List<Key> nearbyKeys = getKeys();
-                if (isOnKey) {
-                    // If it's a preferred letter
-                    if (inPrefList(code, pref)) {
-                        // Check if its frequency is much lower than a nearby key
-                        mPrefLetter = code;
-                        mPrefLetterX = x;
-                        mPrefLetterY = y;
-                        for (int i = 0; i < nearby.length; i++) {
-                            Key k = nearbyKeys.get(nearby[i]);
-                            if (k != key && inPrefList(k.mCode, pref)) {
-                                final int dist = distanceFrom(k, x, y);
-                                if (dist < (int) (k.mWidth * OVERLAP_PERCENTAGE_LOW_PROB) &&
-                                        (pref[k.mCode] > pref[mPrefLetter] * 3))  {
-                                    mPrefLetter = k.mCode;
-                                    mPrefDistance = dist;
-                                    if (DEBUG_PREFERRED_LETTER) {
-                                        Log.d(TAG, "CORRECTED ALTHOUGH PREFERRED !!!!!!");
-                                    }
-                                    break;
-                                }
-                            }
-                        }
-
-                        return mPrefLetter == code;
-                    }
-                }
-
-                // Get the surrounding keys and intersect with the preferred list
-                // For all in the intersection
-                //   if distance from touch point is within a reasonable distance
-                //       make this the pref letter
-                // If no pref letter
-                //   return inside;
-                // else return thiskey == prefletter;
-
-                for (int i = 0; i < nearby.length; i++) {
-                    Key k = nearbyKeys.get(nearby[i]);
-                    if (inPrefList(k.mCode, pref)) {
-                        final int dist = distanceFrom(k, x, y);
-                        if (dist < (int) (k.mWidth * OVERLAP_PERCENTAGE_HIGH_PROB)
-                                && dist < mPrefDistance)  {
-                            mPrefLetter = k.mCode;
-                            mPrefLetterX = x;
-                            mPrefLetterY = y;
-                            mPrefDistance = dist;
-                        }
-                    }
-                }
-                // Didn't find any
-                if (mPrefLetter == 0) {
-                    return isOnKey;
-                } else {
-                    return mPrefLetter == code;
-                }
-            }
         }
 
         // Lock into the spacebar
@@ -463,19 +370,6 @@ public class LatinKeyboard extends Keyboard {
         return key.isOnKey(x, y);
     }
 
-    private boolean inPrefList(int code, int[] pref) {
-        if (code < pref.length && code >= 0) return pref[code] > 0;
-        return false;
-    }
-
-    private int distanceFrom(Key k, int x, int y) {
-        if (y > k.mY && y < k.mY + k.mHeight) {
-            return Math.abs(k.mX + k.mWidth / 2 - x);
-        } else {
-            return Integer.MAX_VALUE;
-        }
-    }
-
     @Override
     public int[] getNearestKeys(int x, int y) {
         if (mCurrentlyInSpace) {
@@ -487,8 +381,8 @@ public class LatinKeyboard extends Keyboard {
         }
     }
 
-    private int getTextSizeFromTheme(int style, int defValue) {
-        TypedArray array = mContext.getTheme().obtainStyledAttributes(
+    private static int getTextSizeFromTheme(Theme theme, int style, int defValue) {
+        TypedArray array = theme.obtainStyledAttributes(
                 style, new int[] { android.R.attr.textSize });
         int textSize = array.getDimensionPixelSize(array.getResourceId(0, 0), defValue);
         return textSize;
diff --git a/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java b/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
index e7246dd6e..d6c3723fd 100644
--- a/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
@@ -16,9 +16,9 @@
 
 package com.android.inputmethod.keyboard;
 
+import com.android.inputmethod.deprecated.VoiceProxy;
 import com.android.inputmethod.latin.LatinImeLogger;
 import com.android.inputmethod.latin.Utils;
-import com.android.inputmethod.voice.VoiceIMEConnector;
 
 import android.content.Context;
 import android.graphics.Canvas;
@@ -66,7 +66,8 @@ public class LatinKeyboardView extends KeyboardView {
         }
     }
 
-    public void setLatinKeyboard(LatinKeyboard newKeyboard) {
+    @Override
+    public void setKeyboard(Keyboard newKeyboard) {
         final LatinKeyboard oldKeyboard = getLatinKeyboard();
         if (oldKeyboard != null) {
             // Reset old keyboard state before switching to new keyboard.
@@ -80,7 +81,7 @@ public class LatinKeyboardView extends KeyboardView {
         mLastRowY = (newKeyboard.getHeight() * 3) / 4;
     }
 
-    public LatinKeyboard getLatinKeyboard() {
+    private LatinKeyboard getLatinKeyboard() {
         Keyboard keyboard = getKeyboard();
         if (keyboard instanceof LatinKeyboard) {
             return (LatinKeyboard)keyboard;
@@ -144,6 +145,10 @@ public class LatinKeyboardView extends KeyboardView {
         // If device has distinct multi touch panel, there is no need to check sudden jump.
         if (hasDistinctMultitouch())
             return false;
+        // If accessibiliy is enabled, stop looking for sudden jumps because it interferes
+        // with touch exploration of the keyboard.
+        if (isAccessibilityEnabled())
+            return false;
         final int action = me.getAction();
         final int x = (int) me.getX();
         final int y = (int) me.getY();
@@ -259,6 +264,6 @@ public class LatinKeyboardView extends KeyboardView {
     @Override
     protected void onAttachedToWindow() {
         // Token is available from here.
-        VoiceIMEConnector.getInstance().onAttachedToWindow();
+        VoiceProxy.getInstance().onAttachedToWindow();
     }
 }
diff --git a/java/src/com/android/inputmethod/keyboard/MiniKeyboardKeyDetector.java b/java/src/com/android/inputmethod/keyboard/MiniKeyboardKeyDetector.java
index f04991eb7..a8750d378 100644
--- a/java/src/com/android/inputmethod/keyboard/MiniKeyboardKeyDetector.java
+++ b/java/src/com/android/inputmethod/keyboard/MiniKeyboardKeyDetector.java
@@ -35,24 +35,24 @@ public class MiniKeyboardKeyDetector extends KeyDetector {
     }
 
     @Override
-    public int getKeyIndexAndNearbyCodes(int x, int y, int[] allKeys) {
+    public int getKeyIndexAndNearbyCodes(int x, int y, final int[] allCodes) {
         final Key[] keys = getKeys();
         final int touchX = getTouchX(x);
         final int touchY = getTouchY(y);
 
-        int closestKeyIndex = NOT_A_KEY;
-        int closestKeyDist = (y < 0) ? mSlideAllowanceSquareTop : mSlideAllowanceSquare;
+        int nearestIndex = NOT_A_KEY;
+        int nearestDist = (y < 0) ? mSlideAllowanceSquareTop : mSlideAllowanceSquare;
         final int keyCount = keys.length;
         for (int index = 0; index < keyCount; index++) {
             final int dist = keys[index].squaredDistanceToEdge(touchX, touchY);
-            if (dist < closestKeyDist) {
-                closestKeyIndex = index;
-                closestKeyDist = dist;
+            if (dist < nearestDist) {
+                nearestIndex = index;
+                nearestDist = dist;
             }
         }
 
-        if (allKeys != null && closestKeyIndex != NOT_A_KEY)
-            allKeys[0] = keys[closestKeyIndex].mCode;
-        return closestKeyIndex;
+        if (allCodes != null && nearestIndex != NOT_A_KEY)
+            allCodes[0] = keys[nearestIndex].mCode;
+        return nearestIndex;
     }
 }
diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
index 4c90e2c3f..746857819 100644
--- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java
+++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
@@ -38,6 +38,7 @@ public class PointerTracker {
         public void invalidateKey(Key key);
         public void showPreview(int keyIndex, PointerTracker tracker);
         public boolean hasDistinctMultitouch();
+        public boolean isAccessibilityEnabled();
     }
 
     public final int mPointerId;
@@ -68,6 +69,9 @@ public class PointerTracker {
 
     private final PointerTrackerKeyState mKeyState;
 
+    // true if accessibility is enabled in the parent keyboard
+    private boolean mIsAccessibilityEnabled;
+
     // true if keyboard layout has been changed.
     private boolean mKeyboardLayoutHasBeenChanged;
 
@@ -89,9 +93,9 @@ public class PointerTracker {
     // Empty {@link KeyboardActionListener}
     private static final KeyboardActionListener EMPTY_LISTENER = new KeyboardActionListener() {
         @Override
-        public void onPress(int primaryCode) {}
+        public void onPress(int primaryCode, boolean withSliding) {}
         @Override
-        public void onRelease(int primaryCode) {}
+        public void onRelease(int primaryCode, boolean withSliding) {}
         @Override
         public void onCodeInput(int primaryCode, int[] keyCodes, int x, int y) {}
         @Override
@@ -112,6 +116,7 @@ public class PointerTracker {
         mKeyDetector = keyDetector;
         mKeyboardSwitcher = KeyboardSwitcher.getInstance();
         mKeyState = new PointerTrackerKeyState(keyDetector);
+        mIsAccessibilityEnabled = proxy.isAccessibilityEnabled();
         mHasDistinctMultitouch = proxy.hasDistinctMultitouch();
         mConfigSlidingKeyInputEnabled = res.getBoolean(R.bool.config_sliding_key_input_enabled);
         mDelayBeforeKeyRepeatStart = res.getInteger(R.integer.config_delay_before_key_repeat_start);
@@ -128,33 +133,47 @@ public class PointerTracker {
         mListener = listener;
     }
 
+    public void setAccessibilityEnabled(boolean accessibilityEnabled) {
+        mIsAccessibilityEnabled = accessibilityEnabled;
+    }
+
     // Returns true if keyboard has been changed by this callback.
-    private boolean callListenerOnPressAndCheckKeyboardLayoutChange(int primaryCode) {
+    private boolean callListenerOnPressAndCheckKeyboardLayoutChange(Key key, boolean withSliding) {
         if (DEBUG_LISTENER)
-            Log.d(TAG, "onPress    : " + keyCodePrintable(primaryCode));
-        mListener.onPress(primaryCode);
-        final boolean keyboardLayoutHasBeenChanged = mKeyboardLayoutHasBeenChanged;
-        mKeyboardLayoutHasBeenChanged = false;
-        return keyboardLayoutHasBeenChanged;
+            Log.d(TAG, "onPress    : " + keyCodePrintable(key.mCode) + " sliding=" + withSliding);
+        if (key.mEnabled) {
+            mListener.onPress(key.mCode, withSliding);
+            final boolean keyboardLayoutHasBeenChanged = mKeyboardLayoutHasBeenChanged;
+            mKeyboardLayoutHasBeenChanged = false;
+            return keyboardLayoutHasBeenChanged;
+        }
+        return false;
     }
 
-    private void callListenerOnCodeInput(int primaryCode, int[] keyCodes, int x, int y) {
+    // Note that we need primaryCode argument because the keyboard may in shifted state and the
+    // primaryCode is different from {@link Key#mCode}.
+    private void callListenerOnCodeInput(Key key, int primaryCode, int[] keyCodes, int x, int y) {
         if (DEBUG_LISTENER)
             Log.d(TAG, "onCodeInput: " + keyCodePrintable(primaryCode)
                     + " codes="+ Arrays.toString(keyCodes) + " x=" + x + " y=" + y);
-        mListener.onCodeInput(primaryCode, keyCodes, x, y);
+        if (key.mEnabled)
+            mListener.onCodeInput(primaryCode, keyCodes, x, y);
     }
 
-    private void callListenerOnTextInput(CharSequence text) {
+    private void callListenerOnTextInput(Key key) {
         if (DEBUG_LISTENER)
-            Log.d(TAG, "onTextInput: text=" + text);
-        mListener.onTextInput(text);
+            Log.d(TAG, "onTextInput: text=" + key.mOutputText);
+        if (key.mEnabled)
+            mListener.onTextInput(key.mOutputText);
     }
 
-    private void callListenerOnRelease(int primaryCode) {
+    // Note that we need primaryCode argument because the keyboard may in shifted state and the
+    // primaryCode is different from {@link Key#mCode}.
+    private void callListenerOnRelease(Key key, int primaryCode, boolean withSliding) {
         if (DEBUG_LISTENER)
-            Log.d(TAG, "onRelease  : " + keyCodePrintable(primaryCode));
-        mListener.onRelease(primaryCode);
+            Log.d(TAG, "onRelease  : " + keyCodePrintable(primaryCode) + " sliding=" + withSliding);
+        if (key.mEnabled)
+            mListener.onRelease(primaryCode, withSliding);
     }
 
     private void callListenerOnCancelInput() {
@@ -302,9 +321,10 @@ public class PointerTracker {
     private void onDownEventInternal(int x, int y, long eventTime) {
         int keyIndex = mKeyState.onDownKey(x, y, eventTime);
         // Sliding key is allowed when 1) enabled by configuration, 2) this pointer starts sliding
-        // from modifier key, or 3) this pointer is on mini-keyboard.
+        // from modifier key, 3) this pointer is on mini-keyboard, or 4) accessibility is enabled.
         mIsAllowedSlidingKeyInput = mConfigSlidingKeyInputEnabled || isModifierInternal(keyIndex)
-                || mKeyDetector instanceof MiniKeyboardKeyDetector;
+                || mKeyDetector instanceof MiniKeyboardKeyDetector
+                || mIsAccessibilityEnabled;
         mKeyboardLayoutHasBeenChanged = false;
         mKeyAlreadyProcessed = false;
         mIsRepeatableKey = false;
@@ -313,11 +333,13 @@ public class PointerTracker {
             // This onPress call may have changed keyboard layout. Those cases are detected at
             // {@link #setKeyboard}. In those cases, we should update keyIndex according to the new
             // keyboard layout.
-            if (callListenerOnPressAndCheckKeyboardLayoutChange(mKeys[keyIndex].mCode))
+            if (callListenerOnPressAndCheckKeyboardLayoutChange(mKeys[keyIndex], false))
                 keyIndex = mKeyState.onDownKey(x, y, eventTime);
         }
         if (isValidKeyIndex(keyIndex)) {
-            if (mKeys[keyIndex].mRepeatable) {
+            // Accessibility disables key repeat because users may need to pause on a key to hear
+            // its spoken description.
+            if (mKeys[keyIndex].mRepeatable && !mIsAccessibilityEnabled) {
                 repeatKey(keyIndex);
                 mHandler.startKeyRepeatTimer(mDelayBeforeKeyRepeatStart, keyIndex, this);
                 mIsRepeatableKey = true;
@@ -346,7 +368,7 @@ public class PointerTracker {
                 // This onPress call may have changed keyboard layout. Those cases are detected at
                 // {@link #setKeyboard}. In those cases, we should update keyIndex according to the
                 // new keyboard layout.
-                if (callListenerOnPressAndCheckKeyboardLayoutChange(getKey(keyIndex).mCode))
+                if (callListenerOnPressAndCheckKeyboardLayoutChange(getKey(keyIndex), true))
                     keyIndex = keyState.onMoveKey(x, y);
                 keyState.onMoveToNewKey(keyIndex, x, y);
                 startLongPressTimer(keyIndex);
@@ -355,13 +377,13 @@ public class PointerTracker {
                 // onRelease() first to notify that the previous key has been released, then call
                 // onPress() to notify that the new key is being pressed.
                 mIsInSlidingKeyInput = true;
-                callListenerOnRelease(oldKey.mCode);
+                callListenerOnRelease(oldKey, oldKey.mCode, true);
                 mHandler.cancelLongPressTimers();
                 if (mIsAllowedSlidingKeyInput) {
                     // This onPress call may have changed keyboard layout. Those cases are detected
                     // at {@link #setKeyboard}. In those cases, we should update keyIndex according
                     // to the new keyboard layout.
-                    if (callListenerOnPressAndCheckKeyboardLayoutChange(getKey(keyIndex).mCode))
+                    if (callListenerOnPressAndCheckKeyboardLayoutChange(getKey(keyIndex), true))
                         keyIndex = keyState.onMoveKey(x, y);
                     keyState.onMoveToNewKey(keyIndex, x, y);
                     startLongPressTimer(keyIndex);
@@ -390,7 +412,7 @@ public class PointerTracker {
                 // The pointer has been slid out from the previous key, we must call onRelease() to
                 // notify that the previous key has been released.
                 mIsInSlidingKeyInput = true;
-                callListenerOnRelease(oldKey.mCode);
+                callListenerOnRelease(oldKey, oldKey.mCode, true);
                 mHandler.cancelLongPressTimers();
                 if (mIsAllowedSlidingKeyInput) {
                     keyState.onMoveToNewKey(keyIndex, x ,y);
@@ -507,8 +529,9 @@ public class PointerTracker {
         updateKeyGraphics(keyIndex);
         // The modifier key, such as shift key, should not be shown as preview when multi-touch is
         // supported. On the other hand, if multi-touch is not supported, the modifier key should
-        // be shown as preview.
-        if (mHasDistinctMultitouch && isModifier()) {
+        // be shown as preview. If accessibility is turned on, the modifier key should be shown as
+        // preview.
+        if (mHasDistinctMultitouch && isModifier() && !mIsAccessibilityEnabled) {
             mProxy.showPreview(NOT_A_KEY, this);
         } else {
             mProxy.showPreview(keyIndex, this);
@@ -516,6 +539,11 @@ public class PointerTracker {
     }
 
     private void startLongPressTimer(int keyIndex) {
+        // Accessibility disables long press because users are likely to need to pause on a key
+        // for an unspecified duration in order to hear the key's spoken description.
+        if (mIsAccessibilityEnabled) {
+            return;
+        }
         Key key = getKey(keyIndex);
         if (key.mCode == Keyboard.CODE_SHIFT) {
             mHandler.startLongPressShiftTimer(mLongPressShiftKeyTimeout, keyIndex, this);
@@ -539,8 +567,8 @@ public class PointerTracker {
             return;
         }
         if (key.mOutputText != null) {
-            callListenerOnTextInput(key.mOutputText);
-            callListenerOnRelease(key.mCode);
+            callListenerOnTextInput(key);
+            callListenerOnRelease(key, key.mCode, false);
         } else {
             int code = key.mCode;
             final int[] codes = mKeyDetector.newCodeArray();
@@ -561,9 +589,8 @@ public class PointerTracker {
                 codes[1] = codes[0];
                 codes[0] = code;
             }
-            if (key.mEnabled)
-                callListenerOnCodeInput(code, codes, x, y);
-            callListenerOnRelease(code);
+            callListenerOnCodeInput(key, code, codes, x, y);
+            callListenerOnRelease(key, code, false);
         }
     }
 
diff --git a/java/src/com/android/inputmethod/keyboard/ProximityInfo.java b/java/src/com/android/inputmethod/keyboard/ProximityInfo.java
new file mode 100644
index 000000000..80d6de952
--- /dev/null
+++ b/java/src/com/android/inputmethod/keyboard/ProximityInfo.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.keyboard;
+
+import com.android.inputmethod.latin.Utils;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class ProximityInfo {
+    public static final int MAX_PROXIMITY_CHARS_SIZE = 16;
+
+    private final int mGridWidth;
+    private final int mGridHeight;
+    private final int mGridSize;
+
+    ProximityInfo(int gridWidth, int gridHeight) {
+        mGridWidth = gridWidth;
+        mGridHeight = gridHeight;
+        mGridSize = mGridWidth * mGridHeight;
+    }
+
+    private int mNativeProximityInfo;
+    static {
+        Utils.loadNativeLibrary();
+    }
+    private native int setProximityInfoNative(int maxProximityCharsSize, int displayWidth,
+            int displayHeight, int gridWidth, int gridHeight, int[] proximityCharsArray);
+    private native void releaseProximityInfoNative(int nativeProximityInfo);
+
+    public final void setProximityInfo(int[][] gridNeighborKeyIndexes, int keyboardWidth,
+            int keyboardHeight, List<Key> keys) {
+        int[] proximityCharsArray = new int[mGridSize * MAX_PROXIMITY_CHARS_SIZE];
+        Arrays.fill(proximityCharsArray, KeyDetector.NOT_A_CODE);
+        for (int i = 0; i < mGridSize; ++i) {
+            final int proximityCharsLength = gridNeighborKeyIndexes[i].length;
+            for (int j = 0; j < proximityCharsLength; ++j) {
+                proximityCharsArray[i * MAX_PROXIMITY_CHARS_SIZE + j] =
+                        keys.get(gridNeighborKeyIndexes[i][j]).mCode;
+            }
+        }
+        mNativeProximityInfo = setProximityInfoNative(MAX_PROXIMITY_CHARS_SIZE,
+                keyboardWidth, keyboardHeight, mGridWidth, mGridHeight, proximityCharsArray);
+    }
+
+    // TODO: Get rid of this function's input (keyboard).
+    public int getNativeProximityInfo(Keyboard keyboard) {
+        if (mNativeProximityInfo == 0) {
+            // TODO: Move this function to ProximityInfo and make this private.
+            keyboard.computeNearestNeighbors();
+        }
+        return mNativeProximityInfo;
+    }
+
+    @Override
+    protected void finalize() throws Throwable {
+        try {
+            if (mNativeProximityInfo != 0) {
+                releaseProximityInfoNative(mNativeProximityInfo);
+                mNativeProximityInfo = 0;
+            }
+        } finally {
+            super.finalize();
+        }
+    }
+}
diff --git a/java/src/com/android/inputmethod/keyboard/ProximityKeyDetector.java b/java/src/com/android/inputmethod/keyboard/ProximityKeyDetector.java
index 0920da2cb..c3fd1984b 100644
--- a/java/src/com/android/inputmethod/keyboard/ProximityKeyDetector.java
+++ b/java/src/com/android/inputmethod/keyboard/ProximityKeyDetector.java
@@ -16,49 +16,106 @@
 
 package com.android.inputmethod.keyboard;
 
+import android.util.Log;
+
 import java.util.Arrays;
 
 public class ProximityKeyDetector extends KeyDetector {
+    private static final String TAG = ProximityKeyDetector.class.getSimpleName();
+    private static final boolean DEBUG = false;
+
     private static final int MAX_NEARBY_KEYS = 12;
 
     // working area
-    private int[] mDistances = new int[MAX_NEARBY_KEYS];
+    private final int[] mDistances = new int[MAX_NEARBY_KEYS];
+    private final int[] mIndices = new int[MAX_NEARBY_KEYS];
 
     @Override
     protected int getMaxNearbyKeys() {
         return MAX_NEARBY_KEYS;
     }
 
+    private void initializeNearbyKeys() {
+        Arrays.fill(mDistances, Integer.MAX_VALUE);
+        Arrays.fill(mIndices, NOT_A_KEY);
+    }
+
+    /**
+     * Insert the key into nearby keys buffer and sort nearby keys by ascending order of distance.
+     *
+     * @param keyIndex index of the key.
+     * @param distance distance between the key's edge and user touched point.
+     * @return order of the key in the nearby buffer, 0 if it is the nearest key.
+     */
+    private int sortNearbyKeys(int keyIndex, int distance) {
+        final int[] distances = mDistances;
+        final int[] indices = mIndices;
+        for (int insertPos = 0; insertPos < distances.length; insertPos++) {
+            if (distance < distances[insertPos]) {
+                final int nextPos = insertPos + 1;
+                if (nextPos < distances.length) {
+                    System.arraycopy(distances, insertPos, distances, nextPos,
+                            distances.length - nextPos);
+                    System.arraycopy(indices, insertPos, indices, nextPos,
+                            indices.length - nextPos);
+                }
+                distances[insertPos] = distance;
+                indices[insertPos] = keyIndex;
+                return insertPos;
+            }
+        }
+        return distances.length;
+    }
+
+    private void getNearbyKeyCodes(final int[] allCodes) {
+        final Key[] keys = getKeys();
+        final int[] indices = mIndices;
+
+        // allCodes[0] should always have the key code even if it is a non-letter key.
+        if (indices[0] == NOT_A_KEY) {
+            allCodes[0] = NOT_A_CODE;
+            return;
+        }
+
+        int numCodes = 0;
+        for (int j = 0; j < indices.length && numCodes < allCodes.length; j++) {
+            final int index = indices[j];
+            if (index == NOT_A_KEY)
+                break;
+            final int code = keys[index].mCode;
+            // filter out a non-letter key from nearby keys
+            if (code < Keyboard.CODE_SPACE)
+                continue;
+            allCodes[numCodes++] = code;
+        }
+    }
+
     @Override
-    public int getKeyIndexAndNearbyCodes(int x, int y, int[] allKeys) {
+    public int getKeyIndexAndNearbyCodes(int x, int y, final int[] allCodes) {
         final Key[] keys = getKeys();
         final int touchX = getTouchX(x);
         final int touchY = getTouchY(y);
 
+        initializeNearbyKeys();
         int primaryIndex = NOT_A_KEY;
-        final int[] distances = mDistances;
-        Arrays.fill(distances, Integer.MAX_VALUE);
         for (final int index : mKeyboard.getNearestKeys(touchX, touchY)) {
             final Key key = keys[index];
             final boolean isInside = key.isInside(touchX, touchY);
-            if (isInside)
-                primaryIndex = index;
-            final int dist = key.squaredDistanceToEdge(touchX, touchY);
-            if (isInside || (mProximityCorrectOn && dist < mProximityThresholdSquare)) {
-                if (allKeys == null) continue;
-                // Find insertion point
-                for (int j = 0; j < distances.length; j++) {
-                    if (distances[j] > dist) {
-                        final int nextPos = j + 1;
-                        System.arraycopy(distances, j, distances, nextPos,
-                                distances.length - nextPos);
-                        System.arraycopy(allKeys, j, allKeys, nextPos,
-                                allKeys.length - nextPos);
-                        distances[j] = dist;
-                        allKeys[j] = key.mCode;
-                        break;
-                    }
-                }
+            final int distance = key.squaredDistanceToEdge(touchX, touchY);
+            if (isInside || (mProximityCorrectOn && distance < mProximityThresholdSquare)) {
+                final int insertedPosition = sortNearbyKeys(index, distance);
+                if (insertedPosition == 0 && isInside)
+                    primaryIndex = index;
+            }
+        }
+
+        if (allCodes != null && allCodes.length > 0) {
+            getNearbyKeyCodes(allCodes);
+            if (DEBUG) {
+                Log.d(TAG, "x=" + x + " y=" + y
+                        + " primary="
+                        + (primaryIndex == NOT_A_KEY ? "none" : keys[primaryIndex].mCode)
+                        + " codes=" + Arrays.toString(allCodes));
             }
         }
 
diff --git a/java/src/com/android/inputmethod/latin/AccessibilityUtils.java b/java/src/com/android/inputmethod/latin/AccessibilityUtils.java
new file mode 100644
index 000000000..cd3f9e0ad
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/AccessibilityUtils.java
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.res.TypedArray;
+import android.view.accessibility.AccessibilityEvent;
+import android.view.accessibility.AccessibilityManager;
+
+import com.android.inputmethod.keyboard.Keyboard;
+import com.android.inputmethod.keyboard.KeyboardSwitcher;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Utility functions for accessibility support.
+ */
+public class AccessibilityUtils {
+    /** Shared singleton instance. */
+    private static final AccessibilityUtils sInstance = new AccessibilityUtils();
+    private /* final */ LatinIME mService;
+    private /* final */ AccessibilityManager mAccessibilityManager;
+    private /* final */ Map<Integer, CharSequence> mDescriptions;
+
+    /**
+     * Returns a shared instance of AccessibilityUtils.
+     *
+     * @return A shared instance of AccessibilityUtils.
+     */
+    public static AccessibilityUtils getInstance() {
+        return sInstance;
+    }
+
+    /**
+     * Initializes (or re-initializes) the shared instance of AccessibilityUtils
+     * with the specified parent service and preferences.
+     *
+     * @param service The parent input method service.
+     * @param prefs The parent preferences.
+     */
+    public static void init(LatinIME service, SharedPreferences prefs) {
+        sInstance.initialize(service, prefs);
+    }
+
+    private AccessibilityUtils() {
+        // This class is not publicly instantiable.
+    }
+
+    /**
+     * Initializes (or re-initializes) with the specified parent service and
+     * preferences.
+     *
+     * @param service The parent input method service.
+     * @param prefs The parent preferences.
+     */
+    private void initialize(LatinIME service, SharedPreferences prefs) {
+        mService = service;
+        mAccessibilityManager = (AccessibilityManager) service.getSystemService(
+                Context.ACCESSIBILITY_SERVICE);
+        mDescriptions = null;
+    }
+
+    /**
+     * Returns true if accessibility is enabled.
+     *
+     * @return {@code true} if accessibility is enabled.
+     */
+    public boolean isAccessibilityEnabled() {
+        return mAccessibilityManager.isEnabled();
+    }
+
+    /**
+     * Speaks a key's action after it has been released. Does not speak letter
+     * keys since typed keys are already spoken aloud by TalkBack.
+     * <p>
+     * No-op if accessibility is not enabled.
+     * </p>
+     *
+     * @param primaryCode The primary code of the released key.
+     * @param switcher The input method's {@link KeyboardSwitcher}.
+     */
+    public void onRelease(int primaryCode, KeyboardSwitcher switcher) {
+        if (!isAccessibilityEnabled()) {
+            return;
+        }
+
+        int resId = -1;
+
+        switch (primaryCode) {
+            case Keyboard.CODE_SHIFT: {
+                if (switcher.isShiftedOrShiftLocked()) {
+                    resId = R.string.description_shift_on;
+                } else {
+                    resId = R.string.description_shift_off;
+                }
+                break;
+            }
+
+            case Keyboard.CODE_SWITCH_ALPHA_SYMBOL: {
+                if (switcher.isAlphabetMode()) {
+                    resId = R.string.description_symbols_off;
+                } else {
+                    resId = R.string.description_symbols_on;
+                }
+                break;
+            }
+        }
+
+        if (resId >= 0) {
+            speakDescription(mService.getResources().getText(resId));
+        }
+    }
+
+    /**
+     * Speaks a key's description for accessibility. If a key has an explicit
+     * description defined in keycodes.xml, that will be used. Otherwise, if the
+     * key is a Unicode character, then its character will be used.
+     * <p>
+     * No-op if accessibility is not enabled.
+     * </p>
+     *
+     * @param primaryCode The primary code of the pressed key.
+     * @param switcher The input method's {@link KeyboardSwitcher}.
+     */
+    public void onPress(int primaryCode, KeyboardSwitcher switcher) {
+        if (!isAccessibilityEnabled()) {
+            return;
+        }
+
+        // TODO Use the current keyboard state to read "Switch to symbols"
+        // instead of just "Symbols" (and similar for shift key).
+        CharSequence description = describeKey(primaryCode);
+        if (description == null && Character.isDefined((char) primaryCode)) {
+            description = Character.toString((char) primaryCode);
+        }
+
+        if (description != null) {
+            speakDescription(description);
+        }
+    }
+
+    /**
+     * Returns a text description for a given key code. If the key does not have
+     * an explicit description, returns <code>null</code>.
+     *
+     * @param keyCode An integer key code.
+     * @return A {@link CharSequence} describing the key or <code>null</code> if
+     *         no description is available.
+     */
+    private CharSequence describeKey(int keyCode) {
+        // If not loaded yet, load key descriptions from XML file.
+        if (mDescriptions == null) {
+            mDescriptions = loadDescriptions();
+        }
+
+        return mDescriptions.get(keyCode);
+    }
+
+    /**
+     * Loads key descriptions from resources.
+     */
+    private Map<Integer, CharSequence> loadDescriptions() {
+        final Map<Integer, CharSequence> descriptions = new HashMap<Integer, CharSequence>();
+        final TypedArray array = mService.getResources().obtainTypedArray(R.array.key_descriptions);
+
+        // Key descriptions are stored as a key code followed by a string.
+        for (int i = 0; i < array.length() - 1; i += 2) {
+            int code = array.getInteger(i, 0);
+            CharSequence desc = array.getText(i + 1);
+
+            descriptions.put(code, desc);
+        }
+
+        array.recycle();
+
+        return descriptions;
+    }
+
+    /**
+     * Sends a character sequence to be read aloud.
+     *
+     * @param description The {@link CharSequence} to be read aloud.
+     */
+    private void speakDescription(CharSequence description) {
+        // TODO We need to add an AccessibilityEvent type for IMEs.
+        final AccessibilityEvent event = AccessibilityEvent.obtain(
+                AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED);
+        event.setPackageName(mService.getPackageName());
+        event.setClassName(getClass().getName());
+        event.setAddedCount(description.length());
+        event.getText().add(description);
+
+        mAccessibilityManager.sendAccessibilityEvent(event);
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/AssetFileAddress.java b/java/src/com/android/inputmethod/latin/AssetFileAddress.java
new file mode 100644
index 000000000..074ecacc5
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/AssetFileAddress.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import java.io.File;
+
+/**
+ * Immutable class to hold the address of an asset.
+ * As opposed to a normal file, an asset is usually represented as a contiguous byte array in
+ * the package file. Open it correctly thus requires the name of the package it is in, but
+ * also the offset in the file and the length of this data. This class encapsulates these three.
+ */
+class AssetFileAddress {
+    public final String mFilename;
+    public final long mOffset;
+    public final long mLength;
+
+    public AssetFileAddress(final String filename, final long offset, final long length) {
+        mFilename = filename;
+        mOffset = offset;
+        mLength = length;
+    }
+
+    public static AssetFileAddress makeFromFileName(final String filename) {
+        if (null == filename) return null;
+        File f = new File(filename);
+        if (null == f || !f.isFile()) return null;
+        return new AssetFileAddress(filename, 0l, f.length());
+    }
+
+    public static AssetFileAddress makeFromFileNameAndOffset(final String filename,
+            final long offset, final long length) {
+        if (null == filename) return null;
+        File f = new File(filename);
+        if (null == f || !f.isFile()) return null;
+        return new AssetFileAddress(filename, offset, length);
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/AutoCorrection.java b/java/src/com/android/inputmethod/latin/AutoCorrection.java
new file mode 100644
index 000000000..d3119792c
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/AutoCorrection.java
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import android.text.TextUtils;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.Map;
+
+public class AutoCorrection {
+    private static final boolean DBG = LatinImeLogger.sDBG;
+    private static final String TAG = AutoCorrection.class.getSimpleName();
+    private boolean mHasAutoCorrection;
+    private CharSequence mAutoCorrectionWord;
+    private double mNormalizedScore;
+
+    public void init() {
+        mHasAutoCorrection = false;
+        mAutoCorrectionWord = null;
+        mNormalizedScore = Integer.MIN_VALUE;
+    }
+
+    public boolean hasAutoCorrection() {
+        return mHasAutoCorrection;
+    }
+
+    public CharSequence getAutoCorrectionWord() {
+        return mAutoCorrectionWord;
+    }
+
+    public double getNormalizedScore() {
+        return mNormalizedScore;
+    }
+
+    public void updateAutoCorrectionStatus(Map<String, Dictionary> dictionaries,
+            WordComposer wordComposer, ArrayList<CharSequence> suggestions, int[] sortedScores,
+            CharSequence typedWord, double autoCorrectionThreshold, int correctionMode,
+            CharSequence quickFixedWord, CharSequence whitelistedWord) {
+        if (hasAutoCorrectionForWhitelistedWord(whitelistedWord)) {
+            mHasAutoCorrection = true;
+            mAutoCorrectionWord = whitelistedWord;
+        } else if (hasAutoCorrectionForTypedWord(
+                dictionaries, wordComposer, suggestions, typedWord, correctionMode)) {
+            mHasAutoCorrection = true;
+            mAutoCorrectionWord = typedWord;
+        } else if (hasAutoCorrectionForQuickFix(quickFixedWord)) {
+            mHasAutoCorrection = true;
+            mAutoCorrectionWord = quickFixedWord;
+        } else if (hasAutoCorrectionForBinaryDictionary(wordComposer, suggestions, correctionMode,
+                sortedScores, typedWord, autoCorrectionThreshold)) {
+            mHasAutoCorrection = true;
+            mAutoCorrectionWord = suggestions.get(0);
+        }
+    }
+
+    public static boolean isValidWord(
+            Map<String, Dictionary> dictionaries, CharSequence word, boolean ignoreCase) {
+        if (TextUtils.isEmpty(word)) {
+            return false;
+        }
+        final CharSequence lowerCasedWord = word.toString().toLowerCase();
+        for (final String key : dictionaries.keySet()) {
+            if (key.equals(Suggest.DICT_KEY_WHITELIST)) continue;
+            final Dictionary dictionary = dictionaries.get(key);
+            if (dictionary.isValidWord(word)
+                    || (ignoreCase && dictionary.isValidWord(lowerCasedWord))) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static boolean isValidWordForAutoCorrection(
+            Map<String, Dictionary> dictionaries, CharSequence word, boolean ignoreCase) {
+        final Dictionary whiteList = dictionaries.get(Suggest.DICT_KEY_WHITELIST);
+        // If "word" is in the whitelist dictionary, it should not be auto corrected.
+        if (whiteList != null && whiteList.isValidWord(word)) {
+            return false;
+        }
+        return isValidWord(dictionaries, word, ignoreCase);
+    }
+
+    private static boolean hasAutoCorrectionForWhitelistedWord(CharSequence whiteListedWord) {
+        return whiteListedWord != null;
+    }
+
+    private boolean hasAutoCorrectionForTypedWord(Map<String, Dictionary> dictionaries,
+            WordComposer wordComposer, ArrayList<CharSequence> suggestions, CharSequence typedWord,
+            int correctionMode) {
+        if (TextUtils.isEmpty(typedWord)) return false;
+        boolean isValidWord = isValidWordForAutoCorrection(dictionaries, typedWord, false);
+        return wordComposer.size() > 1 && suggestions.size() > 0 && isValidWord
+                && (correctionMode == Suggest.CORRECTION_FULL
+                || correctionMode == Suggest.CORRECTION_FULL_BIGRAM);
+    }
+
+    private static boolean hasAutoCorrectionForQuickFix(CharSequence quickFixedWord) {
+        return quickFixedWord != null;
+    }
+
+    private boolean hasAutoCorrectionForBinaryDictionary(WordComposer wordComposer,
+            ArrayList<CharSequence> suggestions, int correctionMode, int[] sortedScores,
+            CharSequence typedWord, double autoCorrectionThreshold) {
+        if (wordComposer.size() > 1 && (correctionMode == Suggest.CORRECTION_FULL
+                || correctionMode == Suggest.CORRECTION_FULL_BIGRAM)
+                && typedWord != null && suggestions.size() > 0 && sortedScores.length > 0) {
+            final CharSequence autoCorrectionCandidate = suggestions.get(0);
+            final int autoCorrectionCandidateScore = sortedScores[0];
+            // TODO: when the normalized score of the first suggestion is nearly equals to
+            //       the normalized score of the second suggestion, behave less aggressive.
+            mNormalizedScore = Utils.calcNormalizedScore(
+                    typedWord,autoCorrectionCandidate, autoCorrectionCandidateScore);
+            if (DBG) {
+                Log.d(TAG, "Normalized " + typedWord + "," + autoCorrectionCandidate + ","
+                        + autoCorrectionCandidateScore + ", " + mNormalizedScore
+                        + "(" + autoCorrectionThreshold + ")");
+            }
+            if (mNormalizedScore >= autoCorrectionThreshold) {
+                if (DBG) {
+                    Log.d(TAG, "Auto corrected by S-threshold.");
+                }
+                return true;
+            }
+        }
+        return false;
+    }
+
+}
diff --git a/java/src/com/android/inputmethod/latin/AutoDictionary.java b/java/src/com/android/inputmethod/latin/AutoDictionary.java
index 307b81d43..a00b0915c 100644
--- a/java/src/com/android/inputmethod/latin/AutoDictionary.java
+++ b/java/src/com/android/inputmethod/latin/AutoDictionary.java
@@ -27,6 +27,7 @@ import android.provider.BaseColumns;
 import android.util.Log;
 
 import java.util.HashMap;
+import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
 
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
index d87672c0e..fa90fce67 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
@@ -16,29 +16,37 @@
 
 package com.android.inputmethod.latin;
 
+import com.android.inputmethod.keyboard.Keyboard;
+import com.android.inputmethod.keyboard.KeyboardSwitcher;
+import com.android.inputmethod.keyboard.ProximityInfo;
+
 import android.content.Context;
 import android.content.res.AssetFileDescriptor;
 import android.util.Log;
 
 import java.io.File;
 import java.util.Arrays;
+import java.util.Locale;
 
 /**
  * Implements a static, compacted, binary dictionary of standard words.
  */
 public class BinaryDictionary extends Dictionary {
 
+    public static final String DICTIONARY_PACK_AUTHORITY =
+            "com.android.inputmethod.latin.dictionarypack";
+
     /**
-     * There is difference between what java and native code can handle.
+     * There is a difference between what java and native code can handle.
      * This value should only be used in BinaryDictionary.java
      * It is necessary to keep it at this value because some languages e.g. German have
      * really long words.
      */
-    protected static final int MAX_WORD_LENGTH = 48;
+    public static final int MAX_WORD_LENGTH = 48;
+    public static final int MAX_WORDS = 18;
 
     private static final String TAG = "BinaryDictionary";
-    private static final int MAX_ALTERNATIVES = 16;
-    private static final int MAX_WORDS = 18;
+    private static final int MAX_PROXIMITY_CHARS_SIZE = ProximityInfo.MAX_PROXIMITY_CHARS_SIZE;
     private static final int MAX_BIGRAMS = 60;
 
     private static final int TYPED_LETTER_MULTIPLIER = 2;
@@ -47,28 +55,45 @@ public class BinaryDictionary extends Dictionary {
     private int mDicTypeId;
     private int mNativeDict;
     private long mDictLength;
-    private final int[] mInputCodes = new int[MAX_WORD_LENGTH * MAX_ALTERNATIVES];
+    private final int[] mInputCodes = new int[MAX_WORD_LENGTH * MAX_PROXIMITY_CHARS_SIZE];
     private final char[] mOutputChars = new char[MAX_WORD_LENGTH * MAX_WORDS];
     private final char[] mOutputChars_bigrams = new char[MAX_WORD_LENGTH * MAX_BIGRAMS];
-    private final int[] mFrequencies = new int[MAX_WORDS];
-    private final int[] mFrequencies_bigrams = new int[MAX_BIGRAMS];
+    private final int[] mScores = new int[MAX_WORDS];
+    private final int[] mBigramScores = new int[MAX_BIGRAMS];
 
-    static {
-        try {
-            System.loadLibrary("jni_latinime2");
-        } catch (UnsatisfiedLinkError ule) {
-        Log.e(TAG, "Could not load native library jni_latinime");
+    private final KeyboardSwitcher mKeyboardSwitcher = KeyboardSwitcher.getInstance();
+
+    public static class Flag {
+        public final String mName;
+        public final int mValue;
+
+        public Flag(String name, int value) {
+            mName = name;
+            mValue = value;
         }
     }
 
+    public static final Flag FLAG_REQUIRES_GERMAN_UMLAUT_PROCESSING =
+            new Flag("requiresGermanUmlautProcessing", 0x1);
+
+    private static final Flag[] ALL_FLAGS = {
+        // Here should reside all flags that trigger some special processing
+        // These *must* match the definition in UnigramDictionary enum in
+        // unigram_dictionary.h so please update both at the same time.
+        FLAG_REQUIRES_GERMAN_UMLAUT_PROCESSING,
+    };
+
+    private int mFlags = 0;
+
     private BinaryDictionary() {
     }
 
     /**
-     * Initialize a dictionary from a raw resource file
+     * Initializes a dictionary from a raw resource file
      * @param context application context for reading resources
      * @param resId the resource containing the raw binary dictionary
-     * @return initialized instance of BinaryDictionary
+     * @param dicTypeId the type of the dictionary being created, out of the list in Suggest.DIC_*
+     * @return an initialized instance of BinaryDictionary
      */
     public static BinaryDictionary initDictionary(Context context, int resId, int dicTypeId) {
         synchronized (sInstance) {
@@ -93,12 +118,12 @@ public class BinaryDictionary extends Dictionary {
                 return null;
             }
         }
+        sInstance.mFlags = initFlags(ALL_FLAGS, SubtypeSwitcher.getInstance());
         return sInstance;
     }
 
-    // For unit test
-    /* package */ static BinaryDictionary initDictionary(File dictionary, long startOffset,
-            long length, int dicTypeId) {
+    /* package for test */ static BinaryDictionary initDictionary(File dictionary, long startOffset,
+            long length, int dicTypeId, Flag[] flagArray) {
         synchronized (sInstance) {
             sInstance.closeInternal();
             if (dictionary.isFile()) {
@@ -109,6 +134,51 @@ public class BinaryDictionary extends Dictionary {
                 return null;
             }
         }
+        sInstance.mFlags = initFlags(flagArray, null);
+        return sInstance;
+    }
+
+    private static int initFlags(Flag[] flagArray, SubtypeSwitcher switcher) {
+        int flags = 0;
+        for (Flag entry : flagArray) {
+            if (switcher == null || switcher.currentSubtypeContainsExtraValueKey(entry.mName))
+                flags |= entry.mValue;
+        }
+        return flags;
+    }
+
+    static {
+        Utils.loadNativeLibrary();
+    }
+
+    /**
+     * Initializes a dictionary from a dictionary pack.
+     *
+     * This searches for a content provider providing a dictionary pack for the specified
+     * locale. If none is found, it falls back to using the resource passed as fallBackResId
+     * as a dictionary.
+     * @param context application context for reading resources
+     * @param dicTypeId the type of the dictionary being created, out of the list in Suggest.DIC_*
+     * @param locale the locale for which to create the dictionary
+     * @param fallBackResId the id of the resource to use as a fallback if no pack is found
+     * @return an initialized instance of BinaryDictionary
+     */
+    public static BinaryDictionary initDictionaryFromManager(Context context, int dicTypeId,
+            Locale locale, int fallbackResId) {
+        if (null == locale) {
+            Log.e(TAG, "No locale defined for dictionary");
+            return initDictionary(context, fallbackResId, dicTypeId);
+        }
+        synchronized (sInstance) {
+            sInstance.closeInternal();
+
+            final AssetFileAddress dictFile = BinaryDictionaryGetter.getDictionaryFile(locale,
+                    context, fallbackResId);
+            if (null != dictFile) {
+                sInstance.loadDictionary(dictFile.mFilename, dictFile.mOffset, dictFile.mLength);
+                sInstance.mDicTypeId = dicTypeId;
+            }
+        }
         return sInstance;
     }
 
@@ -117,89 +187,99 @@ public class BinaryDictionary extends Dictionary {
             int maxWords, int maxAlternatives);
     private native void closeNative(int dict);
     private native boolean isValidWordNative(int nativeData, char[] word, int wordLength);
-    private native int getSuggestionsNative(int dict, int[] inputCodes, int codesSize,
-            char[] outputChars, int[] frequencies,
-            int[] nextLettersFrequencies, int nextLettersSize);
+    private native int getSuggestionsNative(int dict, int proximityInfo, int[] xCoordinates,
+            int[] yCoordinates, int[] inputCodes, int codesSize, int flags, char[] outputChars,
+            int[] scores);
     private native int getBigramsNative(int dict, char[] prevWord, int prevWordLength,
-            int[] inputCodes, int inputCodesLength, char[] outputChars, int[] frequencies,
+            int[] inputCodes, int inputCodesLength, char[] outputChars, int[] scores,
             int maxWordLength, int maxBigrams, int maxAlternatives);
 
     private final void loadDictionary(String path, long startOffset, long length) {
         mNativeDict = openNative(path, startOffset, length,
-                    TYPED_LETTER_MULTIPLIER, FULL_WORD_FREQ_MULTIPLIER,
-                    MAX_WORD_LENGTH, MAX_WORDS, MAX_ALTERNATIVES);
+                    TYPED_LETTER_MULTIPLIER, FULL_WORD_SCORE_MULTIPLIER,
+                    MAX_WORD_LENGTH, MAX_WORDS, MAX_PROXIMITY_CHARS_SIZE);
         mDictLength = length;
     }
 
     @Override
     public void getBigrams(final WordComposer codes, final CharSequence previousWord,
-            final WordCallback callback, int[] nextLettersFrequencies) {
+            final WordCallback callback) {
         if (mNativeDict == 0) return;
 
         char[] chars = previousWord.toString().toCharArray();
         Arrays.fill(mOutputChars_bigrams, (char) 0);
-        Arrays.fill(mFrequencies_bigrams, 0);
+        Arrays.fill(mBigramScores, 0);
 
         int codesSize = codes.size();
         Arrays.fill(mInputCodes, -1);
         int[] alternatives = codes.getCodesAt(0);
         System.arraycopy(alternatives, 0, mInputCodes, 0,
-                Math.min(alternatives.length, MAX_ALTERNATIVES));
+                Math.min(alternatives.length, MAX_PROXIMITY_CHARS_SIZE));
 
         int count = getBigramsNative(mNativeDict, chars, chars.length, mInputCodes, codesSize,
-                mOutputChars_bigrams, mFrequencies_bigrams, MAX_WORD_LENGTH, MAX_BIGRAMS,
-                MAX_ALTERNATIVES);
+                mOutputChars_bigrams, mBigramScores, MAX_WORD_LENGTH, MAX_BIGRAMS,
+                MAX_PROXIMITY_CHARS_SIZE);
 
         for (int j = 0; j < count; ++j) {
-            if (mFrequencies_bigrams[j] < 1) break;
+            if (mBigramScores[j] < 1) break;
             final int start = j * MAX_WORD_LENGTH;
             int len = 0;
             while (len <  MAX_WORD_LENGTH && mOutputChars_bigrams[start + len] != 0) {
                 ++len;
             }
             if (len > 0) {
-                callback.addWord(mOutputChars_bigrams, start, len, mFrequencies_bigrams[j],
+                callback.addWord(mOutputChars_bigrams, start, len, mBigramScores[j],
                         mDicTypeId, DataType.BIGRAM);
             }
         }
     }
 
     @Override
-    public void getWords(final WordComposer codes, final WordCallback callback,
-            int[] nextLettersFrequencies) {
-        if (mNativeDict == 0) return;
-
-        final int codesSize = codes.size();
-        // Won't deal with really long words.
-        if (codesSize > MAX_WORD_LENGTH - 1) return;
-
-        Arrays.fill(mInputCodes, -1);
-        for (int i = 0; i < codesSize; i++) {
-            int[] alternatives = codes.getCodesAt(i);
-            System.arraycopy(alternatives, 0, mInputCodes, i * MAX_ALTERNATIVES,
-                    Math.min(alternatives.length, MAX_ALTERNATIVES));
-        }
-        Arrays.fill(mOutputChars, (char) 0);
-        Arrays.fill(mFrequencies, 0);
-
-        int count = getSuggestionsNative(mNativeDict, mInputCodes, codesSize, mOutputChars,
-                mFrequencies, nextLettersFrequencies,
-                nextLettersFrequencies != null ? nextLettersFrequencies.length : 0);
+    public void getWords(final WordComposer codes, final WordCallback callback) {
+        final int count = getSuggestions(codes, mKeyboardSwitcher.getLatinKeyboard(),
+                mOutputChars, mScores);
 
         for (int j = 0; j < count; ++j) {
-            if (mFrequencies[j] < 1) break;
+            if (mScores[j] < 1) break;
             final int start = j * MAX_WORD_LENGTH;
             int len = 0;
             while (len < MAX_WORD_LENGTH && mOutputChars[start + len] != 0) {
                 ++len;
             }
             if (len > 0) {
-                callback.addWord(mOutputChars, start, len, mFrequencies[j], mDicTypeId,
+                callback.addWord(mOutputChars, start, len, mScores[j], mDicTypeId,
                         DataType.UNIGRAM);
             }
         }
     }
 
+    /* package for test */ boolean isValidDictionary() {
+        return mNativeDict != 0;
+    }
+
+    /* package for test */ int getSuggestions(final WordComposer codes, final Keyboard keyboard,
+            char[] outputChars, int[] scores) {
+        if (!isValidDictionary()) return -1;
+
+        final int codesSize = codes.size();
+        // Won't deal with really long words.
+        if (codesSize > MAX_WORD_LENGTH - 1) return -1;
+
+        Arrays.fill(mInputCodes, WordComposer.NOT_A_CODE);
+        for (int i = 0; i < codesSize; i++) {
+            int[] alternatives = codes.getCodesAt(i);
+            System.arraycopy(alternatives, 0, mInputCodes, i * MAX_PROXIMITY_CHARS_SIZE,
+                    Math.min(alternatives.length, MAX_PROXIMITY_CHARS_SIZE));
+        }
+        Arrays.fill(outputChars, (char) 0);
+        Arrays.fill(scores, 0);
+
+        return getSuggestionsNative(
+                mNativeDict, keyboard.getProximityInfo(),
+                codes.getXCoordinates(), codes.getYCoordinates(), mInputCodes, codesSize,
+                mFlags, outputChars, scores);
+    }
+
     @Override
     public boolean isValidWord(CharSequence word) {
         if (word == null) return false;
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java b/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java
new file mode 100644
index 000000000..d0464dd94
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.net.Uri;
+import android.text.TextUtils;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Locale;
+
+/**
+ * Group class for static methods to help with creation and getting of the binary dictionary
+ * file from the dictionary provider
+ */
+public class BinaryDictionaryFileDumper {
+    /**
+     * The size of the temporary buffer to copy files.
+     */
+    static final int FILE_READ_BUFFER_SIZE = 1024;
+
+    // Prevents this class to be accidentally instantiated.
+    private BinaryDictionaryFileDumper() {
+    }
+
+    /**
+     * Generates a file name that matches the locale passed as an argument.
+     * The file name is basically the result of the .toString() method, except we replace
+     * any @File.separator with an underscore to avoid generating a file name that may not
+     * be created.
+     * @param locale the locale for which to get the file name
+     * @param context the context to use for getting the directory
+     * @return the name of the file to be created
+     */
+    private static String getCacheFileNameForLocale(Locale locale, Context context) {
+        // The following assumes two things :
+        // 1. That File.separator is not the same character as "_"
+        //    I don't think any android system will ever use "_" as a path separator
+        // 2. That no two locales differ by only a File.separator versus a "_"
+        //    Since "_" can't be part of locale components this should be safe.
+        // Examples:
+        // en -> en
+        // en_US_POSIX -> en_US_POSIX
+        // en__foo/bar -> en__foo_bar
+        final String[] separator = { File.separator };
+        final String[] empty = { "_" };
+        final CharSequence basename = TextUtils.replace(locale.toString(), separator, empty);
+        return context.getFilesDir() + File.separator + basename;
+    }
+
+    /**
+     * Return for a given locale the provider URI to query to get the dictionary.
+     */
+    public static Uri getProviderUri(Locale locale) {
+        return new Uri.Builder().scheme(ContentResolver.SCHEME_CONTENT)
+                .authority(BinaryDictionary.DICTIONARY_PACK_AUTHORITY).appendPath(
+                        locale.toString()).build();
+    }
+
+    /**
+     * Queries a content provider for dictionary data for some locale and returns it as a file name.
+     *
+     * This will query a content provider for dictionary data for a given locale, and return
+     * the name of a file suitable to be mmap'ed. It will copy it to local storage if needed.
+     * It should also check the dictionary version to avoid unnecessary copies but this is
+     * still in TODO state.
+     * This will make the data from the content provider the cached dictionary for this locale,
+     * overwriting any previous cached data.
+     * @returns the name of the file, or null if no data could be obtained.
+     * @throw FileNotFoundException if the provider returns non-existent data.
+     * @throw IOException if the provider-returned data could not be read.
+     */
+    public static String getDictionaryFileFromContentProvider(Locale locale, Context context)
+            throws FileNotFoundException, IOException {
+        // TODO: check whether the dictionary is the same or not and if it is, return the cached
+        // file.
+        final ContentResolver resolver = context.getContentResolver();
+        final Uri dictionaryPackUri = getProviderUri(locale);
+        final InputStream stream = resolver.openInputStream(dictionaryPackUri);
+        if (null == stream) return null;
+        return copyFileTo(stream, getCacheFileNameForLocale(locale, context));
+    }
+
+    /**
+     * Accepts a file as dictionary data for some locale and returns the name of a file.
+     *
+     * This will make the data in the input file the cached dictionary for this locale, overwriting
+     * any previous cached data.
+     */
+    public static String getDictionaryFileFromFile(String fileName, Locale locale,
+            Context context) throws FileNotFoundException, IOException {
+        return copyFileTo(new FileInputStream(fileName), getCacheFileNameForLocale(locale,
+                context));
+    }
+
+    /**
+     * Accepts a resource number as dictionary data for some locale and returns the name of a file.
+     *
+     * This will make the resource the cached dictionary for this locale, overwriting any previous
+     * cached data.
+     */
+    public static String getDictionaryFileFromResource(int resource, Locale locale,
+            Context context) throws FileNotFoundException, IOException {
+        return copyFileTo(context.getResources().openRawResource(resource),
+                getCacheFileNameForLocale(locale, context));
+    }
+
+    /**
+     * Copies the data in an input stream to a target file, creating the file if necessary and
+     * overwriting it if it already exists.
+     */
+    private static String copyFileTo(final InputStream input, final String outputFileName)
+            throws FileNotFoundException, IOException {
+        final byte[] buffer = new byte[FILE_READ_BUFFER_SIZE];
+        final FileOutputStream output = new FileOutputStream(outputFileName);
+        for (int readBytes = input.read(buffer); readBytes >= 0; readBytes = input.read(buffer))
+            output.write(buffer, 0, readBytes);
+        input.close();
+        return outputFileName;
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionaryGetter.java b/java/src/com/android/inputmethod/latin/BinaryDictionaryGetter.java
new file mode 100644
index 000000000..72512c7e1
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionaryGetter.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import android.content.Context;
+import android.content.res.AssetFileDescriptor;
+import android.util.Log;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.Locale;
+
+/**
+ * Helper class to get the address of a mmap'able dictionary file.
+ */
+class BinaryDictionaryGetter {
+
+    /**
+     * Used for Log actions from this class
+     */
+    private static final String TAG = BinaryDictionaryGetter.class.getSimpleName();
+
+    // Prevents this from being instantiated
+    private BinaryDictionaryGetter() {}
+
+    /**
+     * Returns a file address from a resource, or null if it cannot be opened.
+     */
+    private static AssetFileAddress loadFallbackResource(Context context, int fallbackResId) {
+        final AssetFileDescriptor afd = context.getResources().openRawResourceFd(fallbackResId);
+        if (afd == null) {
+            Log.e(TAG, "Found the resource but cannot read it. Is it compressed? resId="
+                    + fallbackResId);
+            return null;
+        }
+        return AssetFileAddress.makeFromFileNameAndOffset(
+                context.getApplicationInfo().sourceDir, afd.getStartOffset(), afd.getLength());
+    }
+
+    /**
+     * Returns a file address for a given locale, trying relevant methods in order.
+     *
+     * Tries to get a binary dictionary from various sources, in order:
+     * - Uses a private method of getting a private dictionary, as implemented by the
+     *   PrivateBinaryDictionaryGetter class.
+     * If that fails:
+     * - Uses a content provider to get a public dictionary, as per the protocol described
+     *   in BinaryDictionaryFileDumper.
+     * If that fails:
+     * - Gets a file name from the fallback resource passed as an argument.
+     * If that fails:
+     * - Returns null.
+     * @return The address of a valid file, or null.
+     * @throws FileNotFoundException if a dictionary provider returned a file name, but the
+     *                               file cannot be found.
+     * @throws IOException if there was an I/O problem reading or copying a file.
+     */
+    public static AssetFileAddress getDictionaryFile(Locale locale, Context context,
+            int fallbackResId) {
+        // Try first to query a private file signed the same way.
+        final AssetFileAddress privateFile =
+                PrivateBinaryDictionaryGetter.getDictionaryFile(locale, context);
+        if (null != privateFile) {
+            return privateFile;
+        } else {
+            try {
+                // If that was no-go, try to find a publicly exported dictionary.
+                final String fileName = BinaryDictionaryFileDumper.
+                        getDictionaryFileFromContentProvider(locale, context);
+                return AssetFileAddress.makeFromFileName(fileName);
+            } catch (FileNotFoundException e) {
+                Log.e(TAG, "Unable to create dictionary file from provider for locale "
+                        + locale.toString() + ": falling back to internal dictionary");
+                return loadFallbackResource(context, fallbackResId);
+            } catch (IOException e) {
+                Log.e(TAG, "Unable to read source data for locale "
+                        + locale.toString() + ": falling back to internal dictionary");
+                return loadFallbackResource(context, fallbackResId);
+            }
+        }
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/CandidateView.java b/java/src/com/android/inputmethod/latin/CandidateView.java
index 9699ad136..5719b9012 100644
--- a/java/src/com/android/inputmethod/latin/CandidateView.java
+++ b/java/src/com/android/inputmethod/latin/CandidateView.java
@@ -347,9 +347,6 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
         if (mShowingAddToDictionary && index == 0) {
             addToDictionary(word);
         } else {
-            if (!mSuggestions.mIsApplicationSpecifiedCompletions) {
-                TextEntryState.acceptedSuggestion(mSuggestions.getWord(0), word);
-            }
             mService.pickSuggestionManually(index, word);
         }
     }
diff --git a/java/src/com/android/inputmethod/latin/Dictionary.java b/java/src/com/android/inputmethod/latin/Dictionary.java
index 74933595c..ac43d6477 100644
--- a/java/src/com/android/inputmethod/latin/Dictionary.java
+++ b/java/src/com/android/inputmethod/latin/Dictionary.java
@@ -29,7 +29,7 @@ public abstract class Dictionary {
     /**
      * The weight to give to a word if it's length is the same as the number of typed characters.
      */
-    protected static final int FULL_WORD_FREQ_MULTIPLIER = 2;
+    protected static final int FULL_WORD_SCORE_MULTIPLIER = 2;
 
     public static enum DataType {
         UNIGRAM, BIGRAM
@@ -42,17 +42,17 @@ public abstract class Dictionary {
     public interface WordCallback {
         /**
          * Adds a word to a list of suggestions. The word is expected to be ordered based on
-         * the provided frequency.
+         * the provided score.
          * @param word the character array containing the word
          * @param wordOffset starting offset of the word in the character array
          * @param wordLength length of valid characters in the character array
-         * @param frequency the frequency of occurrence. This is normalized between 1 and 255, but
+         * @param score the score of occurrence. This is normalized between 1 and 255, but
          * can exceed those limits
          * @param dicTypeId of the dictionary where word was from
          * @param dataType tells type of this data
          * @return true if the word was added, false if no more words are required
          */
-        boolean addWord(char[] word, int wordOffset, int wordLength, int frequency, int dicTypeId,
+        boolean addWord(char[] word, int wordOffset, int wordLength, int score, int dicTypeId,
                 DataType dataType);
     }
 
@@ -61,14 +61,9 @@ public abstract class Dictionary {
      * words are added through the callback object.
      * @param composer the key sequence to match
      * @param callback the callback object to send matched words to as possible candidates
-     * @param nextLettersFrequencies array of frequencies of next letters that could follow the
-     *        word so far. For instance, "bracke" can be followed by "t", so array['t'] will have
-     *        a non-zero value on returning from this method. 
-     *        Pass in null if you don't want the dictionary to look up next letters.
      * @see WordCallback#addWord(char[], int, int)
      */
-    abstract public void getWords(final WordComposer composer, final WordCallback callback,
-            int[] nextLettersFrequencies);
+    abstract public void getWords(final WordComposer composer, final WordCallback callback);
 
     /**
      * Searches for pairs in the bigram dictionary that matches the previous word and all the
@@ -76,13 +71,9 @@ public abstract class Dictionary {
      * @param composer the key sequence to match
      * @param previousWord the word before
      * @param callback the callback object to send possible word following previous word
-     * @param nextLettersFrequencies array of frequencies of next letters that could follow the
-     *        word so far. For instance, "bracke" can be followed by "t", so array['t'] will have
-     *        a non-zero value on returning from this method.
-     *        Pass in null if you don't want the dictionary to look up next letters.
      */
     public void getBigrams(final WordComposer composer, final CharSequence previousWord,
-            final WordCallback callback, int[] nextLettersFrequencies) {
+            final WordCallback callback) {
         // empty base implementation
     }
 
diff --git a/java/src/com/android/inputmethod/latin/DictionaryPackInstallBroadcastReceiver.java b/java/src/com/android/inputmethod/latin/DictionaryPackInstallBroadcastReceiver.java
new file mode 100644
index 000000000..c7864621d
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/DictionaryPackInstallBroadcastReceiver.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ProviderInfo;
+import android.net.Uri;
+
+/**
+ * Takes action to reload the necessary data when a dictionary pack was added/removed.
+ */
+public class DictionaryPackInstallBroadcastReceiver extends BroadcastReceiver {
+
+    final LatinIME mService;
+
+    public DictionaryPackInstallBroadcastReceiver(final LatinIME service) {
+        mService = service;
+    }
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        final String action = intent.getAction();
+        final PackageManager manager = context.getPackageManager();
+
+        // We need to reread the dictionary if a new dictionary package is installed.
+        if (action.equals(Intent.ACTION_PACKAGE_ADDED)) {
+            final Uri packageUri = intent.getData();
+            if (null == packageUri) return; // No package name : we can't do anything
+            final String packageName = packageUri.getSchemeSpecificPart();
+            if (null == packageName) return;
+            final PackageInfo packageInfo;
+            try {
+                packageInfo = manager.getPackageInfo(packageName, PackageManager.GET_PROVIDERS);
+            } catch (android.content.pm.PackageManager.NameNotFoundException e) {
+                return; // No package info : we can't do anything
+            }
+            final ProviderInfo[] providers = packageInfo.providers;
+            if (null == providers) return; // No providers : it is not a dictionary.
+
+            // Search for some dictionary pack in the just-installed package. If found, reread.
+            for (ProviderInfo info : providers) {
+                if (BinaryDictionary.DICTIONARY_PACK_AUTHORITY.equals(info.authority)) {
+                    mService.resetSuggestMainDict();
+                    return;
+                }
+            }
+            // If we come here none of the authorities matched the one we searched for.
+            // We can exit safely.
+            return;
+        } else if (action.equals(Intent.ACTION_PACKAGE_REMOVED)
+                && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) {
+            // When the dictionary package is removed, we need to reread dictionary (to use the
+            // next-priority one, or stop using a dictionary at all if this was the only one,
+            // since this is the user request).
+            // If we are replacing the package, we will receive ADDED right away so no need to
+            // remove the dictionary at the moment, since we will do it when we receive the
+            // ADDED broadcast.
+
+            // TODO: Only reload dictionary on REMOVED when the removed package is the one we
+            // read dictionary from?
+            mService.resetSuggestMainDict();
+        }
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/ExpandableDictionary.java b/java/src/com/android/inputmethod/latin/ExpandableDictionary.java
index 0fc86c335..d87fbce51 100644
--- a/java/src/com/android/inputmethod/latin/ExpandableDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ExpandableDictionary.java
@@ -37,7 +37,6 @@ public class ExpandableDictionary extends Dictionary {
     private int mDicTypeId;
     private int mMaxDepth;
     private int mInputLength;
-    private int[] mNextLettersFrequencies;
     private StringBuilder sb = new StringBuilder(MAX_WORD_LENGTH);
 
     private static final char QUOTE = '\'';
@@ -191,8 +190,7 @@ public class ExpandableDictionary extends Dictionary {
     }
 
     @Override
-    public void getWords(final WordComposer codes, final WordCallback callback,
-            int[] nextLettersFrequencies) {
+    public void getWords(final WordComposer codes, final WordCallback callback) {
         synchronized (mUpdatingLock) {
             // If we need to update, start off a background task
             if (mRequiresReload) startDictionaryLoadingTaskLocked();
@@ -201,7 +199,6 @@ public class ExpandableDictionary extends Dictionary {
         }
 
         mInputLength = codes.size();
-        mNextLettersFrequencies = nextLettersFrequencies;
         if (mCodes.length < mInputLength) mCodes = new int[mInputLength][];
         // Cache the codes so that we don't have to lookup an array list
         for (int i = 0; i < mInputLength; i++) {
@@ -228,11 +225,21 @@ public class ExpandableDictionary extends Dictionary {
     /**
      * Returns the word's frequency or -1 if not found
      */
-    public int getWordFrequency(CharSequence word) {
+    protected int getWordFrequency(CharSequence word) {
         Node node = searchNode(mRoots, word, 0, word.length());
         return (node == null) ? -1 : node.mFrequency;
     }
 
+    private static int computeSkippedWordFinalFreq(int freq, int snr, int inputLength) {
+        // The computation itself makes sense for >= 2, but the == 2 case returns 0
+        // anyway so we may as well test against 3 instead and return the constant
+        if (inputLength >= 3) {
+            return (freq * snr * (inputLength - 2)) / (inputLength - 1);
+        } else {
+            return 0;
+        }
+    }
+
     /**
      * Recursively traverse the tree for words that match the input. Input consists of
      * a list of arrays. Each item in the list is one input character position. An input
@@ -246,13 +253,14 @@ public class ExpandableDictionary extends Dictionary {
      * @param completion whether the traversal is now in completion mode - meaning that we've
      * exhausted the input and we're looking for all possible suffixes.
      * @param snr current weight of the word being formed
-     * @param inputIndex position in the input characters. This can be off from the depth in 
+     * @param inputIndex position in the input characters. This can be off from the depth in
      * case we skip over some punctuations such as apostrophe in the traversal. That is, if you type
      * "wouldve", it could be matching "would've", so the depth will be one more than the
      * inputIndex
      * @param callback the callback class for adding a word
      */
-    protected void getWordsRec(NodeArray roots, final WordComposer codes, final char[] word, 
+    // TODO: Share this routine with the native code for BinaryDictionary
+    protected void getWordsRec(NodeArray roots, final WordComposer codes, final char[] word,
             final int depth, boolean completion, int snr, int inputIndex, int skipPos,
             WordCallback callback) {
         final int count = roots.mLength;
@@ -278,14 +286,15 @@ public class ExpandableDictionary extends Dictionary {
             if (completion) {
                 word[depth] = c;
                 if (terminal) {
-                    if (!callback.addWord(word, 0, depth + 1, freq * snr, mDicTypeId,
-                                DataType.UNIGRAM)) {
-                        return;
+                    final int finalFreq;
+                    if (skipPos < 0) {
+                        finalFreq = freq * snr;
+                    } else {
+                        finalFreq = computeSkippedWordFinalFreq(freq, snr, mInputLength);
                     }
-                    // Add to frequency of next letters for predictive correction
-                    if (mNextLettersFrequencies != null && depth >= inputIndex && skipPos < 0
-                            && mNextLettersFrequencies.length > word[inputIndex]) {
-                        mNextLettersFrequencies[word[inputIndex]]++;
+                    if (!callback.addWord(word, 0, depth + 1, finalFreq, mDicTypeId,
+                            DataType.UNIGRAM)) {
+                        return;
                     }
                 }
                 if (children != null) {
@@ -296,7 +305,7 @@ public class ExpandableDictionary extends Dictionary {
                 // Skip the ' and continue deeper
                 word[depth] = c;
                 if (children != null) {
-                    getWordsRec(children, codes, word, depth + 1, completion, snr, inputIndex, 
+                    getWordsRec(children, codes, word, depth + 1, completion, snr, inputIndex,
                             skipPos, callback);
                 }
             } else {
@@ -313,10 +322,16 @@ public class ExpandableDictionary extends Dictionary {
 
                         if (codeSize == inputIndex + 1) {
                             if (terminal) {
-                                if (INCLUDE_TYPED_WORD_IF_VALID 
+                                if (INCLUDE_TYPED_WORD_IF_VALID
                                         || !same(word, depth + 1, codes.getTypedWord())) {
-                                    int finalFreq = freq * snr * addedAttenuation;
-                                    if (skipPos < 0) finalFreq *= FULL_WORD_FREQ_MULTIPLIER;
+                                    final int finalFreq;
+                                    if (skipPos < 0) {
+                                        finalFreq = freq * snr * addedAttenuation
+                                                * FULL_WORD_SCORE_MULTIPLIER;
+                                    } else {
+                                        finalFreq = computeSkippedWordFinalFreq(freq,
+                                                snr * addedAttenuation, mInputLength);
+                                    }
                                     callback.addWord(word, 0, depth + 1, finalFreq, mDicTypeId,
                                             DataType.UNIGRAM);
                                 }
@@ -327,7 +342,7 @@ public class ExpandableDictionary extends Dictionary {
                                         skipPos, callback);
                             }
                         } else if (children != null) {
-                            getWordsRec(children, codes, word, depth + 1, 
+                            getWordsRec(children, codes, word, depth + 1,
                                     false, snr * addedAttenuation, inputIndex + 1,
                                     skipPos, callback);
                         }
@@ -427,7 +442,7 @@ public class ExpandableDictionary extends Dictionary {
 
     @Override
     public void getBigrams(final WordComposer codes, final CharSequence previousWord,
-            final WordCallback callback, int[] nextLettersFrequencies) {
+            final WordCallback callback) {
         if (!reloadDictionaryIfRequired()) {
             runReverseLookUp(previousWord, callback);
         }
@@ -516,7 +531,7 @@ public class ExpandableDictionary extends Dictionary {
         }
     }
 
-    static char toLowerCase(char c) {
+    private static char toLowerCase(char c) {
         char baseChar = c;
         if (c < BASE_CHARS.length) {
             baseChar = BASE_CHARS[c];
@@ -535,7 +550,7 @@ public class ExpandableDictionary extends Dictionary {
      * if c is not a combined character, or the base character if it
      * is combined.
      */
-    static final char BASE_CHARS[] = {
+    private static final char BASE_CHARS[] = {
         0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 
         0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 
         0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 
diff --git a/java/src/com/android/inputmethod/latin/InputLanguageSelection.java b/java/src/com/android/inputmethod/latin/InputLanguageSelection.java
index a9f2c2c22..be5e015aa 100644
--- a/java/src/com/android/inputmethod/latin/InputLanguageSelection.java
+++ b/java/src/com/android/inputmethod/latin/InputLanguageSelection.java
@@ -106,8 +106,8 @@ public class InputLanguageSelection extends PreferenceActivity {
         conf.locale = locale;
         res.updateConfiguration(conf, res.getDisplayMetrics());
 
-        int mainDicResId = LatinIME.getMainDictionaryResourceId(res);
-        BinaryDictionary bd = BinaryDictionary.initDictionary(this, mainDicResId, Suggest.DIC_MAIN);
+        BinaryDictionary bd = BinaryDictionary.initDictionaryFromManager(this, Suggest.DIC_MAIN,
+                locale, Utils.getMainDictionaryResourceId(res));
 
         // Is the dictionary larger than a placeholder? Arbitrarily chose a lower limit of
         // 4000-5000 words, whereas the LARGE_DICTIONARY is about 20000+ words.
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index acbccf6e6..ae2315437 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -16,16 +16,21 @@
 
 package com.android.inputmethod.latin;
 
-import com.android.inputmethod.compat.InputMethodSubtype;
+import com.android.inputmethod.compat.CompatUtils;
+import com.android.inputmethod.compat.EditorInfoCompatUtils;
+import com.android.inputmethod.compat.InputConnectionCompatUtils;
+import com.android.inputmethod.compat.InputMethodManagerCompatWrapper;
+import com.android.inputmethod.compat.InputMethodServiceCompatWrapper;
+import com.android.inputmethod.compat.InputTypeCompatUtils;
+import com.android.inputmethod.compat.VibratorCompatWrapper;
+import com.android.inputmethod.deprecated.VoiceProxy;
 import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.keyboard.KeyboardActionListener;
-import com.android.inputmethod.keyboard.KeyboardId;
 import com.android.inputmethod.keyboard.KeyboardSwitcher;
 import com.android.inputmethod.keyboard.KeyboardView;
 import com.android.inputmethod.keyboard.LatinKeyboard;
 import com.android.inputmethod.keyboard.LatinKeyboardView;
 import com.android.inputmethod.latin.Utils.RingCharBuffer;
-import com.android.inputmethod.voice.VoiceIMEConnector;
 
 import android.app.AlertDialog;
 import android.content.BroadcastReceiver;
@@ -41,9 +46,9 @@ import android.media.AudioManager;
 import android.net.ConnectivityManager;
 import android.os.Debug;
 import android.os.Handler;
+import android.os.IBinder;
 import android.os.Message;
 import android.os.SystemClock;
-import android.os.Vibrator;
 import android.preference.PreferenceActivity;
 import android.preference.PreferenceManager;
 import android.text.InputType;
@@ -62,13 +67,10 @@ import android.view.ViewParent;
 import android.view.Window;
 import android.view.WindowManager;
 import android.view.inputmethod.CompletionInfo;
-// @@@ import android.view.inputmethod.CorrectionInfo;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.ExtractedText;
 import android.view.inputmethod.ExtractedTextRequest;
 import android.view.inputmethod.InputConnection;
-import android.view.inputmethod.InputMethodManager;
-// @@@ import android.view.inputmethod.InputMethodSubtype;
 import android.widget.FrameLayout;
 import android.widget.HorizontalScrollView;
 import android.widget.LinearLayout;
@@ -82,13 +84,35 @@ import java.util.Locale;
 /**
  * Input method implementation for Qwerty'ish keyboard.
  */
-public class LatinIME extends InputMethodService implements KeyboardActionListener,
-        SharedPreferences.OnSharedPreferenceChangeListener {
-    private static final String TAG = "LatinIME";
+public class LatinIME extends InputMethodServiceCompatWrapper implements KeyboardActionListener {
+    private static final String TAG = LatinIME.class.getSimpleName();
     private static final boolean PERF_DEBUG = false;
     private static final boolean TRACE = false;
     private static boolean DEBUG = LatinImeLogger.sDBG;
 
+    /**
+     * The private IME option used to indicate that no microphone should be
+     * shown for a given text field. For instance, this is specified by the
+     * search dialog when the dialog is already showing a voice search button.
+     *
+     * @deprecated Use {@link LatinIME#IME_OPTION_NO_MICROPHONE} with package name prefixed.
+     */
+    @SuppressWarnings("dep-ann")
+    public static final String IME_OPTION_NO_MICROPHONE_COMPAT = "nm";
+
+    /**
+     * The private IME option used to indicate that no microphone should be
+     * shown for a given text field. For instance, this is specified by the
+     * search dialog when the dialog is already showing a voice search button.
+     */
+    public static final String IME_OPTION_NO_MICROPHONE = "noMicrophoneKey";
+
+    /**
+     * The private IME option used to indicate that no settings key should be
+     * shown for a given text field.
+     */
+    public static final String IME_OPTION_NO_SETTINGS_KEY = "noSettingsKey";
+
     private static final int DELAY_UPDATE_SUGGESTIONS = 180;
     private static final int DELAY_UPDATE_OLD_SUGGESTIONS = 300;
     private static final int DELAY_UPDATE_SHIFT_STATE = 300;
@@ -99,6 +123,12 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     // Key events coming any faster than this are long-presses.
     private static final int QUICK_PRESS = 200;
 
+    /**
+     * The name of the scheme used by the Package Manager to warn of a new package installation,
+     * replacement or removal.
+     */
+    private static final String SCHEME_PACKAGE = "package";
+
     private int mSuggestionVisibility;
     private static final int SUGGESTION_VISIBILILTY_SHOW_VALUE
             = R.string.prefs_suggestion_visibility_show_value;
@@ -120,13 +150,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
     private AlertDialog mOptionsDialog;
 
-    private InputMethodManager mImm;
+    private InputMethodManagerCompatWrapper mImm;
     private Resources mResources;
     private SharedPreferences mPrefs;
     private String mInputMethodId;
     private KeyboardSwitcher mKeyboardSwitcher;
     private SubtypeSwitcher mSubtypeSwitcher;
-    private VoiceIMEConnector mVoiceConnector;
+    private VoiceProxy mVoiceProxy;
 
     private UserDictionary mUserDictionary;
     private UserBigramDictionary mUserBigramDictionary;
@@ -139,6 +169,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     private boolean mIsSettingsSuggestionStripOn;
     private boolean mApplicationSpecifiedCompletionOn;
 
+    private AccessibilityUtils mAccessibilityUtils;
+
     private final StringBuilder mComposing = new StringBuilder();
     private WordComposer mWord = new WordComposer();
     private CharSequence mBestWord;
@@ -146,7 +178,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     private boolean mHasDictionary;
     private boolean mJustAddedAutoSpace;
     private boolean mAutoCorrectEnabled;
-    private boolean mReCorrectionEnabled;
+    private boolean mRecorrectionEnabled;
     private boolean mBigramSuggestionEnabled;
     private boolean mAutoCorrectOn;
     private boolean mVibrateOn;
@@ -159,6 +191,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     private int mConfigDelayBeforeFadeoutLanguageOnSpacebar;
     private int mConfigDurationOfFadeoutLanguageOnSpacebar;
     private float mConfigFinalFadeoutFactorOfLanguageOnSpacebar;
+    private long mConfigDoubleSpacesTurnIntoPeriodTimeout;
 
     private int mCorrectionMode;
     private int mCommittedLength;
@@ -170,7 +203,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
     // Indicates whether the suggestion strip is to be on in landscape
     private boolean mJustAccepted;
-    private boolean mJustReverted;
     private int mDeleteCount;
     private long mLastKeyTime;
 
@@ -182,60 +214,47 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     /* package */ String mWordSeparators;
     private String mSentenceSeparators;
     private String mSuggestPuncs;
-    // TODO: Move this flag to VoiceIMEConnector
+    // TODO: Move this flag to VoiceProxy
     private boolean mConfigurationChanging;
 
+    // Object for reacting to adding/removing a dictionary pack.
+    private BroadcastReceiver mDictionaryPackInstallReceiver =
+            new DictionaryPackInstallBroadcastReceiver(this);
+
     // Keeps track of most recently inserted text (multi-character key) for reverting
     private CharSequence mEnteredText;
-    private boolean mRefreshKeyboardRequired;
 
     private final ArrayList<WordAlternatives> mWordHistory = new ArrayList<WordAlternatives>();
 
-    public abstract static class WordAlternatives {
-        protected CharSequence mChosenWord;
+    public class WordAlternatives {
+        private final CharSequence mChosenWord;
+        private final WordComposer mWordComposer;
 
-        public WordAlternatives() {
-            // Nothing
-        }
-
-        public WordAlternatives(CharSequence chosenWord) {
+        public WordAlternatives(CharSequence chosenWord, WordComposer wordComposer) {
             mChosenWord = chosenWord;
+            mWordComposer = wordComposer;
         }
 
-        @Override
-        public int hashCode() {
-            return mChosenWord.hashCode();
-        }
-
-        public abstract CharSequence getOriginalWord();
-
         public CharSequence getChosenWord() {
             return mChosenWord;
         }
 
-        public abstract SuggestedWords.Builder getAlternatives();
-    }
-
-    public class TypedWordAlternatives extends WordAlternatives {
-        private WordComposer word;
-
-        public TypedWordAlternatives() {
-            // Nothing
+        public CharSequence getOriginalWord() {
+            return mWordComposer.getTypedWord();
         }
 
-        public TypedWordAlternatives(CharSequence chosenWord, WordComposer wordComposer) {
-            super(chosenWord);
-            word = wordComposer;
+        public SuggestedWords.Builder getAlternatives() {
+            return getTypedSuggestions(mWordComposer);
         }
 
         @Override
-        public CharSequence getOriginalWord() {
-            return word.getTypedWord();
+        public int hashCode() {
+            return mChosenWord.hashCode();
         }
 
         @Override
-        public SuggestedWords.Builder getAlternatives() {
-            return getTypedSuggestions(word);
+        public boolean equals(Object o) {
+            return o instanceof CharSequence && TextUtils.equals(mChosenWord, (CharSequence)o);
         }
     }
 
@@ -248,6 +267,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         private static final int MSG_VOICE_RESULTS = 3;
         private static final int MSG_FADEOUT_LANGUAGE_ON_SPACEBAR = 4;
         private static final int MSG_DISMISS_LANGUAGE_ON_SPACEBAR = 5;
+        private static final int MSG_SPACE_TYPED = 6;
 
         @Override
         public void handleMessage(Message msg) {
@@ -264,7 +284,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 switcher.updateShiftState();
                 break;
             case MSG_VOICE_RESULTS:
-                mVoiceConnector.handleVoiceResults(preferCapitalization()
+                mVoiceProxy.handleVoiceResults(preferCapitalization()
                         || (switcher.isAlphabetMode() && switcher.isShiftedOrShiftLocked()));
                 break;
             case MSG_FADEOUT_LANGUAGE_ON_SPACEBAR:
@@ -324,7 +344,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             removeMessages(MSG_DISMISS_LANGUAGE_ON_SPACEBAR);
             final LatinKeyboardView inputView = mKeyboardSwitcher.getInputView();
             if (inputView != null) {
-                final LatinKeyboard keyboard = inputView.getLatinKeyboard();
+                final LatinKeyboard keyboard = mKeyboardSwitcher.getLatinKeyboard();
                 // The language is never displayed when the delay is zero.
                 if (mConfigDelayBeforeFadeoutLanguageOnSpacebar != 0)
                     inputView.setSpacebarTextFadeFactor(localeChanged ? 1.0f
@@ -336,6 +356,20 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 }
             }
         }
+
+        public void startDoubleSpacesTimer() {
+            removeMessages(MSG_SPACE_TYPED);
+            sendMessageDelayed(obtainMessage(MSG_SPACE_TYPED),
+                    mConfigDoubleSpacesTurnIntoPeriodTimeout);
+        }
+
+        public void cancelDoubleSpacesTimer() {
+            removeMessages(MSG_SPACE_TYPED);
+        }
+
+        public boolean isAcceptingDoubleSpaces() {
+            return hasMessages(MSG_SPACE_TYPED);
+        }
     }
 
     @Override
@@ -345,13 +379,15 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         LatinImeLogger.init(this, prefs);
         SubtypeSwitcher.init(this, prefs);
         KeyboardSwitcher.init(this, prefs);
+        AccessibilityUtils.init(this, prefs);
 
         super.onCreate();
 
-        mImm = ((InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE));
-        mInputMethodId = Utils.getInputMethodId(mImm, getApplicationInfo().packageName);
+        mImm = InputMethodManagerCompatWrapper.getInstance(this);
+        mInputMethodId = Utils.getInputMethodId(mImm, getPackageName());
         mSubtypeSwitcher = SubtypeSwitcher.getInstance();
         mKeyboardSwitcher = KeyboardSwitcher.getInstance();
+        mAccessibilityUtils = AccessibilityUtils.getInstance();
 
         final Resources res = getResources();
         mResources = res;
@@ -359,10 +395,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         // If the option should not be shown, do not read the recorrection preference
         // but always use the default setting defined in the resources.
         if (res.getBoolean(R.bool.config_enable_show_recorrection_option)) {
-            mReCorrectionEnabled = prefs.getBoolean(Settings.PREF_RECORRECTION_ENABLED,
+            mRecorrectionEnabled = prefs.getBoolean(Settings.PREF_RECORRECTION_ENABLED,
                     res.getBoolean(R.bool.config_default_recorrection_enabled));
         } else {
-            mReCorrectionEnabled = res.getBoolean(R.bool.config_default_recorrection_enabled);
+            mRecorrectionEnabled = res.getBoolean(R.bool.config_default_recorrection_enabled);
         }
 
         mConfigEnableShowSubtypeSettings = res.getBoolean(
@@ -375,6 +411,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 R.integer.config_duration_of_fadeout_language_on_spacebar);
         mConfigFinalFadeoutFactorOfLanguageOnSpacebar = res.getInteger(
                 R.integer.config_final_fadeout_percentage_of_language_on_spacebar) / 100.0f;
+        mConfigDoubleSpacesTurnIntoPeriodTimeout = res.getInteger(
+                R.integer.config_double_spaces_turn_into_period_timeout);
 
         Utils.GCUtils.getInstance().reset();
         boolean tryGC = true;
@@ -390,30 +428,26 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mOrientation = res.getConfiguration().orientation;
         initSuggestPuncList();
 
-        // register to receive ringer mode change and network state change.
+        // Register to receive ringer mode change and network state change.
+        // Also receive installation and removal of a dictionary pack.
         final IntentFilter filter = new IntentFilter();
         filter.addAction(AudioManager.RINGER_MODE_CHANGED_ACTION);
         filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
         registerReceiver(mReceiver, filter);
-        mVoiceConnector = VoiceIMEConnector.init(this, prefs, mHandler);
-        prefs.registerOnSharedPreferenceChangeListener(this);
-    }
+        mVoiceProxy = VoiceProxy.init(this, prefs, mHandler);
 
-    /**
-     * Returns a main dictionary resource id
-     * @return main dictionary resource id
-     */
-    public static int getMainDictionaryResourceId(Resources res) {
-        final String MAIN_DIC_NAME = "main";
-        String packageName = LatinIME.class.getPackage().getName();
-        return res.getIdentifier(MAIN_DIC_NAME, "raw", packageName);
+        final IntentFilter packageFilter = new IntentFilter();
+        packageFilter.addAction(Intent.ACTION_PACKAGE_ADDED);
+        packageFilter.addAction(Intent.ACTION_PACKAGE_REMOVED);
+        packageFilter.addDataScheme(SCHEME_PACKAGE);
+        registerReceiver(mDictionaryPackInstallReceiver, packageFilter);
     }
 
     private void initSuggest() {
-        updateAutoTextEnabled();
-        String locale = mSubtypeSwitcher.getInputLocaleStr();
+        final String localeStr = mSubtypeSwitcher.getInputLocaleStr();
+        final Locale keyboardLocale = new Locale(localeStr);
 
-        Locale savedLocale = mSubtypeSwitcher.changeSystemLocale(new Locale(locale));
+        final Locale savedLocale = mSubtypeSwitcher.changeSystemLocale(keyboardLocale);
         if (mSuggest != null) {
             mSuggest.close();
         }
@@ -421,20 +455,21 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mQuickFixes = isQuickFixesEnabled(prefs);
 
         final Resources res = mResources;
-        int mainDicResId = getMainDictionaryResourceId(res);
-        mSuggest = new Suggest(this, mainDicResId);
+        int mainDicResId = Utils.getMainDictionaryResourceId(res);
+        mSuggest = new Suggest(this, mainDicResId, keyboardLocale);
         loadAndSetAutoCorrectionThreshold(prefs);
+        updateAutoTextEnabled();
 
-        mUserDictionary = new UserDictionary(this, locale);
+        mUserDictionary = new UserDictionary(this, localeStr);
         mSuggest.setUserDictionary(mUserDictionary);
 
         mContactsDictionary = new ContactsDictionary(this, Suggest.DIC_CONTACTS);
         mSuggest.setContactsDictionary(mContactsDictionary);
 
-        mAutoDictionary = new AutoDictionary(this, this, locale, Suggest.DIC_AUTO);
+        mAutoDictionary = new AutoDictionary(this, this, localeStr, Suggest.DIC_AUTO);
         mSuggest.setAutoDictionary(mAutoDictionary);
 
-        mUserBigramDictionary = new UserBigramDictionary(this, this, locale, Suggest.DIC_USER);
+        mUserBigramDictionary = new UserBigramDictionary(this, this, localeStr, Suggest.DIC_USER);
         mSuggest.setUserBigramDictionary(mUserBigramDictionary);
 
         updateCorrectionMode();
@@ -444,6 +479,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mSubtypeSwitcher.changeSystemLocale(savedLocale);
     }
 
+    /* package private */ void resetSuggestMainDict() {
+        final String localeStr = mSubtypeSwitcher.getInputLocaleStr();
+        final Locale keyboardLocale = new Locale(localeStr);
+        int mainDicResId = Utils.getMainDictionaryResourceId(mResources);
+        mSuggest.resetMainDict(this, mainDicResId, keyboardLocale);
+    }
+
     @Override
     public void onDestroy() {
         if (mSuggest != null) {
@@ -451,7 +493,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             mSuggest = null;
         }
         unregisterReceiver(mReceiver);
-        mVoiceConnector.destroy();
+        unregisterReceiver(mDictionaryPackInstallReceiver);
+        mVoiceProxy.destroy();
         LatinImeLogger.commit();
         LatinImeLogger.onDestroy();
         super.onDestroy();
@@ -472,7 +515,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
         mConfigurationChanging = true;
         super.onConfigurationChanged(conf);
-        mVoiceConnector.onConfigurationChanged(conf);
+        mVoiceProxy.onConfigurationChanged(conf);
         mConfigurationChanging = false;
     }
 
@@ -489,7 +532,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         if (container.getPaddingRight() != 0) {
             HorizontalScrollView scrollView =
                     (HorizontalScrollView) container.findViewById(R.id.candidates_scroll_view);
-            // @@@ scrollView.setOverScrollMode(View.OVER_SCROLL_NEVER);
+            setOverScrollModeNever(scrollView);
             container.setGravity(Gravity.CENTER_HORIZONTAL);
         }
         mCandidateView = (CandidateView) container.findViewById(R.id.candidates);
@@ -498,17 +541,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         return container;
     }
 
-    private static boolean isPasswordVariation(int variation) {
-        return variation == InputType.TYPE_TEXT_VARIATION_PASSWORD
-                || variation == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;
-        // @@@ || variation == InputType.TYPE_TEXT_VARIATION_WEB_PASSWORD;
-    }
-
-    private static boolean isEmailVariation(int variation) {
-        return variation == InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS;
-        // @@@ || variation == InputType.TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS;
-    }
-
     @Override
     public void onStartInputView(EditorInfo attribute, boolean restarting) {
         final KeyboardSwitcher switcher = mKeyboardSwitcher;
@@ -524,20 +556,16 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
         mSubtypeSwitcher.updateParametersOnStartInputView();
 
-        if (mRefreshKeyboardRequired) {
-            mRefreshKeyboardRequired = false;
-            onRefreshKeyboard();
-        }
-
-        TextEntryState.newSession(this);
+        TextEntryState.reset();
 
         // Most such things we decide below in initializeInputAttributesAndGetMode, but we need to
         // know now whether this is a password text field, because we need to know now whether we
         // want to enable the voice button.
-        mVoiceConnector.resetVoiceStates(isPasswordVariation(
-                attribute.inputType & InputType.TYPE_MASK_VARIATION));
+        final VoiceProxy voiceIme = mVoiceProxy;
+        voiceIme.resetVoiceStates(InputTypeCompatUtils.isPasswordInputType(attribute.inputType)
+                || InputTypeCompatUtils.isVisiblePasswordInputType(attribute.inputType));
 
-        final int mode = initializeInputAttributesAndGetMode(attribute.inputType);
+        initializeInputAttributes(attribute);
 
         inputView.closing();
         mEnteredText = null;
@@ -548,9 +576,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
         loadSettings(attribute);
         if (mSubtypeSwitcher.isKeyboardMode()) {
-            switcher.loadKeyboard(mode, attribute.imeOptions,
-                    mVoiceConnector.isVoiceButtonEnabled(),
-                    mVoiceConnector.isVoiceButtonOnPrimary());
+            switcher.loadKeyboard(attribute,
+                    mSubtypeSwitcher.isShortcutImeEnabled() && voiceIme.isVoiceButtonEnabled(),
+                    voiceIme.isVoiceButtonOnPrimary());
             switcher.updateShiftState();
         }
 
@@ -561,18 +589,24 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
         updateCorrectionMode();
 
+        final boolean accessibilityEnabled = mAccessibilityUtils.isAccessibilityEnabled();
+
         inputView.setPreviewEnabled(mPopupOn);
         inputView.setProximityCorrectionEnabled(true);
+        inputView.setAccessibilityEnabled(accessibilityEnabled);
         // If we just entered a text field, maybe it has some old text that requires correction
-        checkReCorrectionOnStart();
+        checkRecorrectionOnStart();
         inputView.setForeground(true);
 
-        mVoiceConnector.onStartInputView(inputView.getWindowToken());
+        voiceIme.onStartInputView(inputView.getWindowToken());
 
         if (TRACE) Debug.startMethodTracing("/data/trace/latinime");
     }
 
-    private int initializeInputAttributesAndGetMode(int inputType) {
+    private void initializeInputAttributes(EditorInfo attribute) {
+        if (attribute == null)
+            return;
+        final int inputType = attribute.inputType;
         final int variation = inputType & InputType.TYPE_MASK_VARIATION;
         mAutoSpace = false;
         mInputTypeNoAutoCorrect = false;
@@ -580,73 +614,52 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mApplicationSpecifiedCompletionOn = false;
         mApplicationSpecifiedCompletions = null;
 
-        final int mode;
-        switch (inputType & InputType.TYPE_MASK_CLASS) {
-            case InputType.TYPE_CLASS_NUMBER:
-            case InputType.TYPE_CLASS_DATETIME:
-                mode = KeyboardId.MODE_NUMBER;
-                break;
-            case InputType.TYPE_CLASS_PHONE:
-                mode = KeyboardId.MODE_PHONE;
-                break;
-            case InputType.TYPE_CLASS_TEXT:
-                mIsSettingsSuggestionStripOn = true;
-                // Make sure that passwords are not displayed in candidate view
-                if (isPasswordVariation(variation)) {
-                    mIsSettingsSuggestionStripOn = false;
-                }
-                if (isEmailVariation(variation)
-                        || variation == InputType.TYPE_TEXT_VARIATION_PERSON_NAME) {
-                    mAutoSpace = false;
-                } else {
-                    mAutoSpace = true;
-                }
-                if (isEmailVariation(variation)) {
-                    mIsSettingsSuggestionStripOn = false;
-                    mode = KeyboardId.MODE_EMAIL;
-                } else if (variation == InputType.TYPE_TEXT_VARIATION_URI) {
-                    mIsSettingsSuggestionStripOn = false;
-                    mode = KeyboardId.MODE_URL;
-                } else if (variation == InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE) {
-                    mode = KeyboardId.MODE_IM;
-                } else if (variation == InputType.TYPE_TEXT_VARIATION_FILTER) {
-                    mIsSettingsSuggestionStripOn = false;
-                    mode = KeyboardId.MODE_TEXT;
-                } else if (variation == InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT) {
-                    mode = KeyboardId.MODE_WEB;
-                    // If it's a browser edit field and auto correct is not ON explicitly, then
-                    // disable auto correction, but keep suggestions on.
-                    if ((inputType & InputType.TYPE_TEXT_FLAG_AUTO_CORRECT) == 0) {
-                        mInputTypeNoAutoCorrect = true;
-                    }
-                } else {
-                    mode = KeyboardId.MODE_TEXT;
-                }
-
-                // If NO_SUGGESTIONS is set, don't do prediction.
-                if ((inputType & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS) != 0) {
-                    mIsSettingsSuggestionStripOn = false;
-                    mInputTypeNoAutoCorrect = true;
-                }
-                // If it's not multiline and the autoCorrect flag is not set, then don't correct
-                if ((inputType & InputType.TYPE_TEXT_FLAG_AUTO_CORRECT) == 0 &&
-                        (inputType & InputType.TYPE_TEXT_FLAG_MULTI_LINE) == 0) {
+        if ((inputType & InputType.TYPE_MASK_CLASS) == InputType.TYPE_CLASS_TEXT) {
+            mIsSettingsSuggestionStripOn = true;
+            // Make sure that passwords are not displayed in candidate view
+            if (InputTypeCompatUtils.isPasswordInputType(inputType)
+                    || InputTypeCompatUtils.isVisiblePasswordInputType(inputType)) {
+                mIsSettingsSuggestionStripOn = false;
+            }
+            if (InputTypeCompatUtils.isEmailVariation(variation)
+                    || variation == InputType.TYPE_TEXT_VARIATION_PERSON_NAME) {
+                mAutoSpace = false;
+            } else {
+                mAutoSpace = true;
+            }
+            if (InputTypeCompatUtils.isEmailVariation(variation)) {
+                mIsSettingsSuggestionStripOn = false;
+            } else if (variation == InputType.TYPE_TEXT_VARIATION_URI) {
+                mIsSettingsSuggestionStripOn = false;
+            } else if (variation == InputType.TYPE_TEXT_VARIATION_FILTER) {
+                mIsSettingsSuggestionStripOn = false;
+            } else if (variation == InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT) {
+                // If it's a browser edit field and auto correct is not ON explicitly, then
+                // disable auto correction, but keep suggestions on.
+                if ((inputType & InputType.TYPE_TEXT_FLAG_AUTO_CORRECT) == 0) {
                     mInputTypeNoAutoCorrect = true;
                 }
-                if ((inputType & InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE) != 0) {
-                    mIsSettingsSuggestionStripOn = false;
-                    mApplicationSpecifiedCompletionOn = isFullscreenMode();
-                }
-                break;
-            default:
-                mode = KeyboardId.MODE_TEXT;
-                break;
+            }
+
+            // If NO_SUGGESTIONS is set, don't do prediction.
+            if ((inputType & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS) != 0) {
+                mIsSettingsSuggestionStripOn = false;
+                mInputTypeNoAutoCorrect = true;
+            }
+            // If it's not multiline and the autoCorrect flag is not set, then don't correct
+            if ((inputType & InputType.TYPE_TEXT_FLAG_AUTO_CORRECT) == 0
+                    && (inputType & InputType.TYPE_TEXT_FLAG_MULTI_LINE) == 0) {
+                mInputTypeNoAutoCorrect = true;
+            }
+            if ((inputType & InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE) != 0) {
+                mIsSettingsSuggestionStripOn = false;
+                mApplicationSpecifiedCompletionOn = isFullscreenMode();
+            }
         }
-        return mode;
     }
 
-    private void checkReCorrectionOnStart() {
-        if (!mReCorrectionEnabled) return;
+    private void checkRecorrectionOnStart() {
+        if (!mRecorrectionEnabled) return;
 
         final InputConnection ic = getCurrentInputConnection();
         if (ic == null) return;
@@ -680,7 +693,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         LatinImeLogger.commit();
         mKeyboardSwitcher.onAutoCorrectionStateChanged(false);
 
-        mVoiceConnector.flushVoiceInputLogs(mConfigurationChanging);
+        mVoiceProxy.flushVoiceInputLogs(mConfigurationChanging);
 
         KeyboardView inputView = mKeyboardSwitcher.getInputView();
         if (inputView != null) inputView.closing();
@@ -701,7 +714,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     @Override
     public void onUpdateExtractedText(int token, ExtractedText text) {
         super.onUpdateExtractedText(token, text);
-        mVoiceConnector.showPunctuationHintIfNecessary();
+        mVoiceProxy.showPunctuationHintIfNecessary();
     }
 
     @Override
@@ -714,19 +727,30 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         if (DEBUG) {
             Log.i(TAG, "onUpdateSelection: oss=" + oldSelStart
                     + ", ose=" + oldSelEnd
+                    + ", lss=" + mLastSelectionStart
+                    + ", lse=" + mLastSelectionEnd
                     + ", nss=" + newSelStart
                     + ", nse=" + newSelEnd
                     + ", cs=" + candidatesStart
                     + ", ce=" + candidatesEnd);
         }
 
-        mVoiceConnector.setCursorAndSelection(newSelEnd, newSelStart);
+        mVoiceProxy.setCursorAndSelection(newSelEnd, newSelStart);
 
         // If the current selection in the text view changes, we should
         // clear whatever candidate text we have.
-        if ((((mComposing.length() > 0 && mHasValidSuggestions)
-                || mVoiceConnector.isVoiceInputHighlighted()) && (newSelStart != candidatesEnd
-                        || newSelEnd != candidatesEnd) && mLastSelectionStart != newSelStart)) {
+        final boolean selectionChanged = (newSelStart != candidatesEnd
+                || newSelEnd != candidatesEnd) && mLastSelectionStart != newSelStart;
+        final boolean candidatesCleared = candidatesStart == -1 && candidatesEnd == -1;
+        if (((mComposing.length() > 0 && mHasValidSuggestions)
+                || mVoiceProxy.isVoiceInputHighlighted())
+                && (selectionChanged || candidatesCleared)) {
+            if (candidatesCleared) {
+                // If the composing span has been cleared, save the typed word in the history for
+                // recorrection before we reset the candidate strip.  Then, we'll be able to show
+                // suggestions for recorrection right away.
+                saveWordInHistory(mComposing);
+            }
             mComposing.setLength(0);
             mHasValidSuggestions = false;
             mHandler.postUpdateSuggestions();
@@ -735,17 +759,12 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             if (ic != null) {
                 ic.finishComposingText();
             }
-            mVoiceConnector.setVoiceInputHighlighted(false);
+            mVoiceProxy.setVoiceInputHighlighted(false);
         } else if (!mHasValidSuggestions && !mJustAccepted) {
-            switch (TextEntryState.getState()) {
-            case ACCEPTED_DEFAULT:
-                TextEntryState.reset();
-                // $FALL-THROUGH$
-            case SPACE_AFTER_PICKED:
+            if (TextEntryState.isAcceptedDefault() || TextEntryState.isSpaceAfterPicked()) {
+                if (TextEntryState.isAcceptedDefault())
+                    TextEntryState.reset();
                 mJustAddedAutoSpace = false; // The user moved the cursor.
-                break;
-            default:
-                break;
             }
         }
         mJustAccepted = false;
@@ -755,18 +774,18 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mLastSelectionStart = newSelStart;
         mLastSelectionEnd = newSelEnd;
 
-        if (mReCorrectionEnabled && isShowingSuggestionsStrip()) {
+        if (mRecorrectionEnabled && isShowingSuggestionsStrip()) {
             // Don't look for corrections if the keyboard is not visible
             if (mKeyboardSwitcher.isInputViewShown()) {
                 // Check if we should go in or out of correction mode.
-                if (isSuggestionsRequested() && !mJustReverted
+                if (isSuggestionsRequested()
                         && (candidatesStart == candidatesEnd || newSelStart != oldSelStart
-                                || TextEntryState.isCorrecting())
+                                || TextEntryState.isRecorrecting())
                                 && (newSelStart < newSelEnd - 1 || !mHasValidSuggestions)) {
                     if (isCursorTouchingWord() || mLastSelectionStart < mLastSelectionEnd) {
                         mHandler.postUpdateOldSuggestions();
                     } else {
-                        abortCorrection(false);
+                        abortRecorrection(false);
                         // Show the punctuation suggestions list if the current one is not
                         // and if not showing "Touch again to save".
                         if (mCandidateView != null && !isShowingPunctuationList()
@@ -789,7 +808,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
      */
     @Override
     public void onExtractedTextClicked() {
-        if (mReCorrectionEnabled && isSuggestionsRequested()) return;
+        if (mRecorrectionEnabled && isSuggestionsRequested()) return;
 
         super.onExtractedTextClicked();
     }
@@ -805,7 +824,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
      */
     @Override
     public void onExtractedCursorMovement(int dx, int dy) {
-        if (mReCorrectionEnabled && isSuggestionsRequested()) return;
+        if (mRecorrectionEnabled && isSuggestionsRequested()) return;
 
         super.onExtractedCursorMovement(dx, dy);
     }
@@ -820,20 +839,19 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             mOptionsDialog.dismiss();
             mOptionsDialog = null;
         }
-        mVoiceConnector.hideVoiceWindow(mConfigurationChanging);
+        mVoiceProxy.hideVoiceWindow(mConfigurationChanging);
         mWordHistory.clear();
         super.hideWindow();
-        TextEntryState.endSession();
     }
 
     @Override
     public void onDisplayCompletions(CompletionInfo[] applicationSpecifiedCompletions) {
         if (DEBUG) {
             Log.i(TAG, "Received completions:");
-            final int count = (applicationSpecifiedCompletions != null)
-                    ? applicationSpecifiedCompletions.length : 0;
-            for (int i = 0; i < count; i++) {
-                Log.i(TAG, "  #" + i + ": " + applicationSpecifiedCompletions[i]);
+            if (applicationSpecifiedCompletions != null) {
+                for (int i = 0; i < applicationSpecifiedCompletions.length; i++) {
+                    Log.i(TAG, "  #" + i + ": " + applicationSpecifiedCompletions[i]);
+                }
             }
         }
         if (mApplicationSpecifiedCompletionOn) {
@@ -898,8 +916,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             if (DEBUG) {
                 Log.d(TAG, "Touchable region " + x + ", " + y + ", " + width + ", " + height);
             }
-            //@@@outInsets.touchableInsets = InputMethodService.Insets.TOUCHABLE_INSETS_REGION;
-            //@@@outInsets.touchableRegion.set(x, y, width, height);
+            setTouchableRegionCompat(outInsets, x, y, width, height);
         }
     }
 
@@ -964,7 +981,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 }
                 mCommittedLength = mComposing.length();
                 TextEntryState.acceptedTyped(mComposing);
-                addToDictionaries(mComposing, AutoDictionary.FREQUENCY_FOR_TYPED);
+                addToAutoAndUserBigramDictionaries(mComposing, AutoDictionary.FREQUENCY_FOR_TYPED);
             }
             updateSuggestions();
         }
@@ -1012,7 +1029,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     private void doubleSpace() {
-        //if (!mAutoPunctuate) return;
         if (mCorrectionMode == Suggest.CORRECTION_NONE) return;
         final InputConnection ic = getCurrentInputConnection();
         if (ic == null) return;
@@ -1020,13 +1036,17 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         if (lastThree != null && lastThree.length() == 3
                 && Character.isLetterOrDigit(lastThree.charAt(0))
                 && lastThree.charAt(1) == Keyboard.CODE_SPACE
-                && lastThree.charAt(2) == Keyboard.CODE_SPACE) {
+                && lastThree.charAt(2) == Keyboard.CODE_SPACE
+                && mHandler.isAcceptingDoubleSpaces()) {
+            mHandler.cancelDoubleSpacesTimer();
             ic.beginBatchEdit();
             ic.deleteSurroundingText(2, 0);
             ic.commitText(". ", 1);
             ic.endBatchEdit();
             mKeyboardSwitcher.updateShiftState();
             mJustAddedAutoSpace = true;
+        } else {
+            mHandler.startDoubleSpacesTimer();
         }
     }
 
@@ -1106,6 +1126,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         }
         mLastKeyTime = when;
         KeyboardSwitcher switcher = mKeyboardSwitcher;
+        final boolean accessibilityEnabled = switcher.isAccessibilityEnabled();
         final boolean distinctMultiTouch = switcher.hasDistinctMultitouch();
         switch (primaryCode) {
         case Keyboard.CODE_DELETE:
@@ -1115,12 +1136,12 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             break;
         case Keyboard.CODE_SHIFT:
             // Shift key is handled in onPress() when device has distinct multi-touch panel.
-            if (!distinctMultiTouch)
+            if (!distinctMultiTouch || accessibilityEnabled)
                 switcher.toggleShift();
             break;
         case Keyboard.CODE_SWITCH_ALPHA_SYMBOL:
             // Symbol key is handled in onPress() when device has distinct multi-touch panel.
-            if (!distinctMultiTouch)
+            if (!distinctMultiTouch || accessibilityEnabled)
                 switcher.changeKeyboardMode();
             break;
         case Keyboard.CODE_CANCEL:
@@ -1158,10 +1179,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             if (isWordSeparator(primaryCode)) {
                 handleSeparator(primaryCode);
             } else {
-                handleCharacter(primaryCode, keyCodes);
+                handleCharacter(primaryCode, keyCodes, x, y);
             }
-            // Cancel the just reverted state
-            mJustReverted = false;
         }
         switcher.onKey(primaryCode);
         // Reset after any single keystroke
@@ -1170,10 +1189,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
     @Override
     public void onTextInput(CharSequence text) {
-        mVoiceConnector.commitVoiceInput();
+        mVoiceProxy.commitVoiceInput();
         InputConnection ic = getCurrentInputConnection();
         if (ic == null) return;
-        abortCorrection(false);
+        abortRecorrection(false);
         ic.beginBatchEdit();
         commitTyped(ic);
         maybeRemovePreviousPeriod(text);
@@ -1181,7 +1200,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         ic.endBatchEdit();
         mKeyboardSwitcher.updateShiftState();
         mKeyboardSwitcher.onKey(Keyboard.CODE_DUMMY);
-        mJustReverted = false;
         mJustAddedAutoSpace = false;
         mEnteredText = text;
     }
@@ -1193,13 +1211,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     private void handleBackspace() {
-        if (mVoiceConnector.logAndRevertVoiceInput()) return;
+        if (mVoiceProxy.logAndRevertVoiceInput()) return;
 
         final InputConnection ic = getCurrentInputConnection();
         if (ic == null) return;
         ic.beginBatchEdit();
 
-        mVoiceConnector.handleBackspace();
+        mVoiceProxy.handleBackspace();
 
         boolean deleteChar = false;
         if (mHasValidSuggestions) {
@@ -1221,7 +1239,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mHandler.postUpdateShiftKeyState();
 
         TextEntryState.backspace();
-        if (TextEntryState.getState() == TextEntryState.State.UNDO_COMMIT) {
+        if (TextEntryState.isUndoCommit()) {
             revertLastWord(deleteChar);
             ic.endBatchEdit();
             return;
@@ -1246,16 +1264,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 }
             }
         }
-        mJustReverted = false;
         ic.endBatchEdit();
     }
 
     private void handleTab() {
         final int imeOptions = getCurrentInputEditorInfo().imeOptions;
-        final int navigationFlags = 0;
-        // @@@ final int navigationFlags =
-        // @@@ EditorInfo.IME_FLAG_NAVIGATE_NEXT | EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS;
-        if ((imeOptions & navigationFlags) == 0) {
+        if (!EditorInfoCompatUtils.hasFlagNavigateNext(imeOptions)
+                && !EditorInfoCompatUtils.hasFlagNavigatePrevious(imeOptions)) {
             sendDownUpKeyEvents(KeyEvent.KEYCODE_TAB);
             return;
         }
@@ -1264,33 +1279,32 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         if (ic == null)
             return;
 
-        /* @@@
         // True if keyboard is in either chording shift or manual temporary upper case mode.
         final boolean isManualTemporaryUpperCase = mKeyboardSwitcher.isManualTemporaryUpperCase();
-        if ((imeOptions & EditorInfo.IME_FLAG_NAVIGATE_NEXT) != 0
+        if (EditorInfoCompatUtils.hasFlagNavigateNext(imeOptions)
                 && !isManualTemporaryUpperCase) {
+            EditorInfoCompatUtils.performEditorActionNext(ic);
             ic.performEditorAction(EditorInfo.IME_ACTION_NEXT);
-        } else if ((imeOptions & EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS) != 0
+        } else if (EditorInfoCompatUtils.hasFlagNavigatePrevious(imeOptions)
                 && isManualTemporaryUpperCase) {
-            ic.performEditorAction(EditorInfo.IME_ACTION_PREVIOUS);
+            EditorInfoCompatUtils.performEditorActionPrevious(ic);
         }
-        */
     }
 
-    private void abortCorrection(boolean force) {
-        if (force || TextEntryState.isCorrecting()) {
-            TextEntryState.onAbortCorrection();
+    private void abortRecorrection(boolean force) {
+        if (force || TextEntryState.isRecorrecting()) {
+            TextEntryState.onAbortRecorrection();
             setCandidatesViewShown(isCandidateStripVisible());
             getCurrentInputConnection().finishComposingText();
             clearSuggestions();
         }
     }
 
-    private void handleCharacter(int primaryCode, int[] keyCodes) {
-        mVoiceConnector.handleCharacter();
+    private void handleCharacter(int primaryCode, int[] keyCodes, int x, int y) {
+        mVoiceProxy.handleCharacter();
 
-        if (mLastSelectionStart == mLastSelectionEnd && TextEntryState.isCorrecting()) {
-            abortCorrection(false);
+        if (mLastSelectionStart == mLastSelectionEnd && TextEntryState.isRecorrecting()) {
+            abortRecorrection(false);
         }
 
         int code = primaryCode;
@@ -1300,6 +1314,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 mComposing.setLength(0);
                 saveWordInHistory(mBestWord);
                 mWord.reset();
+                clearSuggestions();
             }
         }
         KeyboardSwitcher switcher = mKeyboardSwitcher;
@@ -1327,7 +1342,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 mWord.setFirstCharCapitalized(true);
             }
             mComposing.append((char) code);
-            mWord.add(code, keyCodes);
+            mWord.add(code, keyCodes, x, y);
             InputConnection ic = getCurrentInputConnection();
             if (ic != null) {
                 // If it's the first letter, make note of auto-caps state
@@ -1346,7 +1361,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     private void handleSeparator(int primaryCode) {
-        mVoiceConnector.handleSeparator();
+        mVoiceProxy.handleSeparator();
 
         // Should dismiss the "Touch again to save" message when handling separator
         if (mCandidateView != null && mCandidateView.dismissAddToDictionaryHint()) {
@@ -1358,14 +1373,14 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         final InputConnection ic = getCurrentInputConnection();
         if (ic != null) {
             ic.beginBatchEdit();
-            abortCorrection(false);
+            abortRecorrection(false);
         }
         if (mHasValidSuggestions) {
             // In certain languages where single quote is a separator, it's better
             // not to auto correct, but accept the typed word. For instance,
             // in Italian dov' should not be expanded to dove' because the elision
             // requires the last vowel to be removed.
-            if (mAutoCorrectOn && primaryCode != '\'' && !mJustReverted) {
+            if (mAutoCorrectOn && primaryCode != '\'') {
                 pickedDefault = pickDefaultSuggestion();
                 // Picked the suggestion by the space key.  We consider this
                 // as "added an auto space".
@@ -1384,14 +1399,12 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
         // Handle the case of ". ." -> " .." with auto-space if necessary
         // before changing the TextEntryState.
-        if (TextEntryState.getState() == TextEntryState.State.PUNCTUATION_AFTER_ACCEPTED
-                && primaryCode == Keyboard.CODE_PERIOD) {
+        if (TextEntryState.isPunctuationAfterAccepted() && primaryCode == Keyboard.CODE_PERIOD) {
             reswapPeriodAndSpace();
         }
 
         TextEntryState.typedCharacter((char) primaryCode, true);
-        if (TextEntryState.getState() == TextEntryState.State.PUNCTUATION_AFTER_ACCEPTED
-                && primaryCode != Keyboard.CODE_ENTER) {
+        if (TextEntryState.isPunctuationAfterAccepted() && primaryCode != Keyboard.CODE_ENTER) {
             swapPunctuationAndSpace();
         } else if (isSuggestionsRequested() && primaryCode == Keyboard.CODE_SPACE) {
             doubleSpace();
@@ -1400,13 +1413,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             CharSequence typedWord = mWord.getTypedWord();
             TextEntryState.backToAcceptedDefault(typedWord);
             if (!TextUtils.isEmpty(typedWord) && !typedWord.equals(mBestWord)) {
-                if (ic != null) {
-                    /* @@@
-                    CorrectionInfo correctionInfo = new CorrectionInfo(
-                            mLastSelectionEnd - typedWord.length(), typedWord, mBestWord);
-                    ic.commitCorrection(correctionInfo);
-                    */
-                }
+                InputConnectionCompatUtils.commitCorrection(
+                        ic,  mLastSelectionEnd - typedWord.length(), typedWord, mBestWord);
                 if (mCandidateView != null)
                     mCandidateView.onAutoCorrectionInverted(mBestWord);
             }
@@ -1420,17 +1428,15 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
     private void handleClose() {
         commitTyped(getCurrentInputConnection());
-        mVoiceConnector.handleClose();
+        mVoiceProxy.handleClose();
         requestHideSelf(0);
         LatinKeyboardView inputView = mKeyboardSwitcher.getInputView();
         if (inputView != null)
             inputView.closing();
-        TextEntryState.endSession();
     }
 
     private void saveWordInHistory(CharSequence result) {
         if (mWord.size() <= 1) {
-            mWord.reset();
             return;
         }
         // Skip if result is null. It happens in some edge case.
@@ -1440,7 +1446,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
         // Make a copy of the CharSequence, since it is/could be a mutable CharSequence
         final String resultCopy = result.toString();
-        TypedWordAlternatives entry = new TypedWordAlternatives(resultCopy,
+        WordAlternatives entry = new WordAlternatives(resultCopy,
                 new WordComposer(mWord));
         mWordHistory.add(entry);
     }
@@ -1463,7 +1469,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     private boolean isCandidateStripVisible() {
         if (mCandidateView == null)
             return false;
-        if (mCandidateView.isShowingAddToDictionaryHint() || TextEntryState.isCorrecting())
+        if (mCandidateView.isShowingAddToDictionaryHint() || TextEntryState.isRecorrecting())
             return true;
         if (!isShowingSuggestionsStrip())
             return false;
@@ -1473,26 +1479,21 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     public void switchToKeyboardView() {
-        mHandler.post(new Runnable() {
-            @Override
-            public void run() {
-                if (DEBUG) {
-                    Log.d(TAG, "Switch to keyboard view.");
-                }
-                View v = mKeyboardSwitcher.getInputView();
-                if (v != null) {
-                    // Confirms that the keyboard view doesn't have parent view.
-                    ViewParent p = v.getParent();
-                    if (p != null && p instanceof ViewGroup) {
-                        ((ViewGroup) p).removeView(v);
-                    }
-                    setInputView(v);
-                }
-                setCandidatesViewShown(isCandidateStripVisible());
-                updateInputViewShown();
-                mHandler.postUpdateSuggestions();
+        if (DEBUG) {
+            Log.d(TAG, "Switch to keyboard view.");
+        }
+        View v = mKeyboardSwitcher.getInputView();
+        if (v != null) {
+            // Confirms that the keyboard view doesn't have parent view.
+            ViewParent p = v.getParent();
+            if (p != null && p instanceof ViewGroup) {
+                ((ViewGroup) p).removeView(v);
             }
-        });
+            setInputView(v);
+        }
+        setCandidatesViewShown(isCandidateStripVisible());
+        updateInputViewShown();
+        mHandler.postUpdateSuggestions();
     }
 
     public void clearSuggestions() {
@@ -1500,7 +1501,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     public void setSuggestions(SuggestedWords words) {
-        if (mVoiceConnector.getAndResetIsShowingHint()) {
+        if (mVoiceProxy.getAndResetIsShowingHint()) {
              setCandidatesView(mCandidateViewContainer);
         }
 
@@ -1514,11 +1515,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     public void updateSuggestions() {
-        mKeyboardSwitcher.setPreferredLetters(null);
-
         // Check if we have a suggestion engine attached.
         if ((mSuggest == null || !isSuggestionsRequested())
-                && !mVoiceConnector.isVoiceInputHighlighted()) {
+                && !mVoiceProxy.isVoiceInputHighlighted()) {
             return;
         }
 
@@ -1534,36 +1533,30 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     private void showCorrections(WordAlternatives alternatives) {
-        mKeyboardSwitcher.setPreferredLetters(null);
         SuggestedWords.Builder builder = alternatives.getAlternatives();
         builder.setTypedWordValid(false).setHasMinimalSuggestion(false);
         showSuggestions(builder.build(), alternatives.getOriginalWord());
     }
 
     private void showSuggestions(WordComposer word) {
-        // TODO Maybe need better way of retrieving previous word
+        // TODO: May need a better way of retrieving previous word
         CharSequence prevWord = EditingUtils.getPreviousWord(getCurrentInputConnection(),
                 mWordSeparators);
         SuggestedWords.Builder builder = mSuggest.getSuggestedWordBuilder(
                 mKeyboardSwitcher.getInputView(), word, prevWord);
 
-        int[] nextLettersFrequencies = mSuggest.getNextLettersFrequencies();
-        mKeyboardSwitcher.setPreferredLetters(nextLettersFrequencies);
-
-        boolean correctionAvailable = !mInputTypeNoAutoCorrect && !mJustReverted
-                && mSuggest.hasAutoCorrection();
+        boolean correctionAvailable = !mInputTypeNoAutoCorrect && mSuggest.hasAutoCorrection();
         final CharSequence typedWord = word.getTypedWord();
-        // If we're in basic correct
-        final boolean typedWordValid = mSuggest.isValidWord(typedWord) ||
-                (preferCapitalization()
-                        && mSuggest.isValidWord(typedWord.toString().toLowerCase()));
+        // Here, we want to promote a whitelisted word if exists.
+        final boolean typedWordValid = AutoCorrection.isValidWordForAutoCorrection(
+                mSuggest.getUnigramDictionaries(), typedWord, preferCapitalization());
         if (mCorrectionMode == Suggest.CORRECTION_FULL
                 || mCorrectionMode == Suggest.CORRECTION_FULL_BIGRAM) {
             correctionAvailable |= typedWordValid;
         }
         // Don't auto-correct words with multiple capital letter
         correctionAvailable &= !word.isMostlyCaps();
-        correctionAvailable &= !TextEntryState.isCorrecting();
+        correctionAvailable &= !TextEntryState.isRecorrecting();
 
         // Basically, we update the suggestion strip only when suggestion count > 1.  However,
         // there is an exception: We update the suggestion strip whenever typed word's length
@@ -1610,7 +1603,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             mJustAccepted = true;
             pickSuggestion(mBestWord);
             // Add the word to the auto dictionary if it's not a known word
-            addToDictionaries(mBestWord, AutoDictionary.FREQUENCY_FOR_TYPED);
+            addToAutoAndUserBigramDictionaries(mBestWord, AutoDictionary.FREQUENCY_FOR_TYPED);
             return true;
 
         }
@@ -1619,9 +1612,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
     public void pickSuggestionManually(int index, CharSequence suggestion) {
         SuggestedWords suggestions = mCandidateView.getSuggestions();
-        mVoiceConnector.flushAndLogAllTextModificationCounters(index, suggestion, mWordSeparators);
+        mVoiceProxy.flushAndLogAllTextModificationCounters(index, suggestion, mWordSeparators);
 
-        final boolean correcting = TextEntryState.isCorrecting();
+        final boolean recorrecting = TextEntryState.isRecorrecting();
         InputConnection ic = getCurrentInputConnection();
         if (ic != null) {
             ic.beginBatchEdit();
@@ -1663,24 +1656,35 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         pickSuggestion(suggestion);
         // Add the word to the auto dictionary if it's not a known word
         if (index == 0) {
-            addToDictionaries(suggestion, AutoDictionary.FREQUENCY_FOR_PICKED);
+            addToAutoAndUserBigramDictionaries(suggestion, AutoDictionary.FREQUENCY_FOR_PICKED);
         } else {
-            addToBigramDictionary(suggestion, 1);
+            addToOnlyBigramDictionary(suggestion, 1);
         }
         LatinImeLogger.logOnManualSuggestion(mComposing.toString(), suggestion.toString(),
                 index, suggestions.mWords);
         TextEntryState.acceptedSuggestion(mComposing.toString(), suggestion);
         // Follow it with a space
-        if (mAutoSpace && !correcting) {
+        if (mAutoSpace && !recorrecting) {
             sendSpace();
             mJustAddedAutoSpace = true;
         }
 
-        final boolean showingAddToDictionaryHint = index == 0 && mCorrectionMode > 0
-                && !mSuggest.isValidWord(suggestion)
-                && !mSuggest.isValidWord(suggestion.toString().toLowerCase());
-
-        if (!correcting) {
+        // We should show the hint if the user pressed the first entry AND either:
+        // - There is no dictionary (we know that because we tried to load it => null != mSuggest
+        //   AND mHasDictionary is false)
+        // - There is a dictionary and the word is not in it
+        // Please note that if mSuggest is null, it means that everything is off: suggestion
+        // and correction, so we shouldn't try to show the hint
+        // We used to look at mCorrectionMode here, but showing the hint should have nothing
+        // to do with the autocorrection setting.
+        final boolean showingAddToDictionaryHint = index == 0 && mSuggest != null
+                // If there is no dictionary the hint should be shown.
+                && (!mHasDictionary
+                        // If "suggestion" is not in the dictionary, the hint should be shown.
+                        || !AutoCorrection.isValidWord(
+                                mSuggest.getUnigramDictionaries(), suggestion, true));
+
+        if (!recorrecting) {
             // Fool the state watcher so that a subsequent backspace will not do a revert, unless
             // we just did a correction, in which case we need to stay in
             // TextEntryState.State.PICKED_SUGGESTION state.
@@ -1712,13 +1716,12 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             return;
         InputConnection ic = getCurrentInputConnection();
         if (ic != null) {
-            mVoiceConnector.rememberReplacedWord(suggestion, mWordSeparators);
+            mVoiceProxy.rememberReplacedWord(suggestion, mWordSeparators);
             ic.commitText(suggestion, 1);
         }
         saveWordInHistory(suggestion);
         mHasValidSuggestions = false;
         mCommittedLength = suggestion.length();
-        switcher.setPreferredLetters(null);
     }
 
     /**
@@ -1731,31 +1734,30 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         // If we didn't find a match, search for result in typed word history
         WordComposer foundWord = null;
         WordAlternatives alternatives = null;
+        // Search old suggestions to suggest re-corrected suggestions.
         for (WordAlternatives entry : mWordHistory) {
             if (TextUtils.equals(entry.getChosenWord(), touching.mWord)) {
-                if (entry instanceof TypedWordAlternatives) {
-                    foundWord = ((TypedWordAlternatives) entry).word;
-                }
+                foundWord = entry.mWordComposer;
                 alternatives = entry;
                 break;
             }
         }
-        // If we didn't find a match, at least suggest corrections.
+        // If we didn't find a match, at least suggest corrections as re-corrected suggestions.
         if (foundWord == null
-                && (mSuggest.isValidWord(touching.mWord)
-                        || mSuggest.isValidWord(touching.mWord.toString().toLowerCase()))) {
+                && (AutoCorrection.isValidWord(
+                        mSuggest.getUnigramDictionaries(), touching.mWord, true))) {
             foundWord = new WordComposer();
             for (int i = 0; i < touching.mWord.length(); i++) {
                 foundWord.add(touching.mWord.charAt(i), new int[] {
                     touching.mWord.charAt(i)
-                });
+                }, WordComposer.NOT_A_COORDINATE, WordComposer.NOT_A_COORDINATE);
             }
             foundWord.setFirstCharCapitalized(Character.isUpperCase(touching.mWord.charAt(0)));
         }
         // Found a match, show suggestions
         if (foundWord != null || alternatives != null) {
             if (alternatives == null) {
-                alternatives = new TypedWordAlternatives(touching.mWord, foundWord);
+                alternatives = new WordAlternatives(touching.mWord, foundWord);
             }
             showCorrections(alternatives);
             if (foundWord != null) {
@@ -1769,7 +1771,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     private void setOldSuggestions() {
-        mVoiceConnector.setShowingVoiceSuggestions(false);
+        mVoiceProxy.setShowingVoiceSuggestions(false);
         if (mCandidateView != null && mCandidateView.isShowingAddToDictionaryHint()) {
             return;
         }
@@ -1783,21 +1785,21 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             if (touching != null && touching.mWord.length() > 1) {
                 ic.beginBatchEdit();
 
-                if (!mVoiceConnector.applyVoiceAlternatives(touching)
+                if (!mVoiceProxy.applyVoiceAlternatives(touching)
                         && !applyTypedAlternatives(touching)) {
-                    abortCorrection(true);
+                    abortRecorrection(true);
                 } else {
-                    TextEntryState.selectedForCorrection();
+                    TextEntryState.selectedForRecorrection();
                     EditingUtils.underlineWord(ic, touching);
                 }
 
                 ic.endBatchEdit();
             } else {
-                abortCorrection(true);
+                abortRecorrection(true);
                 setPunctuationSuggestions();  // Show the punctuation suggestions list
             }
         } else {
-            abortCorrection(true);
+            abortRecorrection(true);
         }
     }
 
@@ -1806,21 +1808,22 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         setCandidatesViewShown(isCandidateStripVisible());
     }
 
-    private void addToDictionaries(CharSequence suggestion, int frequencyDelta) {
+    private void addToAutoAndUserBigramDictionaries(CharSequence suggestion, int frequencyDelta) {
         checkAddToDictionary(suggestion, frequencyDelta, false);
     }
 
-    private void addToBigramDictionary(CharSequence suggestion, int frequencyDelta) {
+    private void addToOnlyBigramDictionary(CharSequence suggestion, int frequencyDelta) {
         checkAddToDictionary(suggestion, frequencyDelta, true);
     }
 
     /**
      * Adds to the UserBigramDictionary and/or AutoDictionary
-     * @param addToBigramDictionary true if it should be added to bigram dictionary if possible
+     * @param selectedANotTypedWord true if it should be added to bigram dictionary if possible
      */
     private void checkAddToDictionary(CharSequence suggestion, int frequencyDelta,
-            boolean addToBigramDictionary) {
+            boolean selectedANotTypedWord) {
         if (suggestion == null || suggestion.length() < 1) return;
+
         // Only auto-add to dictionary if auto-correct is ON. Otherwise we'll be
         // adding words in situations where the user or application really didn't
         // want corrections enabled or learned.
@@ -1828,9 +1831,14 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 || mCorrectionMode == Suggest.CORRECTION_FULL_BIGRAM)) {
             return;
         }
-        if (!addToBigramDictionary && mAutoDictionary.isValidWord(suggestion)
-                || (!mSuggest.isValidWord(suggestion.toString())
-                        && !mSuggest.isValidWord(suggestion.toString().toLowerCase()))) {
+
+        final boolean selectedATypedWordAndItsInAutoDic =
+                !selectedANotTypedWord && mAutoDictionary.isValidWord(suggestion);
+        final boolean isValidWord = AutoCorrection.isValidWord(
+                mSuggest.getUnigramDictionaries(), suggestion, true);
+        final boolean needsToAddToAutoDictionary = selectedATypedWordAndItsInAutoDic
+                || !isValidWord;
+        if (needsToAddToAutoDictionary) {
             mAutoDictionary.addWord(suggestion.toString(), frequencyDelta);
         }
 
@@ -1870,7 +1878,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         final int length = mComposing.length();
         if (!mHasValidSuggestions && length > 0) {
             final InputConnection ic = getCurrentInputConnection();
-            mJustReverted = true;
             final CharSequence punctuation = ic.getTextBeforeCursor(1, 0);
             if (deleteChar) ic.deleteSurroundingText(1, 0);
             int toDelete = mCommittedLength;
@@ -1898,7 +1905,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             mHandler.postUpdateSuggestions();
         } else {
             sendDownUpKeyEvents(KeyEvent.KEYCODE_DEL);
-            mJustReverted = false;
         }
     }
 
@@ -1936,28 +1942,11 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             mSubtypeSwitcher.toggleLanguage(reset, next);
         }
         // Reload keyboard because the current language has been changed.
-        KeyboardSwitcher switcher = mKeyboardSwitcher;
-        final EditorInfo attribute = getCurrentInputEditorInfo();
-        final int mode = initializeInputAttributesAndGetMode((attribute != null)
-                ? attribute.inputType : 0);
-        final int imeOptions = (attribute != null) ? attribute.imeOptions : 0;
-        switcher.loadKeyboard(mode, imeOptions, mVoiceConnector.isVoiceButtonEnabled(),
-                mVoiceConnector.isVoiceButtonOnPrimary());
+        mKeyboardSwitcher.loadKeyboard(getCurrentInputEditorInfo(),
+                mSubtypeSwitcher.isShortcutImeEnabled() && mVoiceProxy.isVoiceButtonEnabled(),
+                mVoiceProxy.isVoiceButtonOnPrimary());
         initSuggest();
-        switcher.updateShiftState();
-    }
-
-    @Override
-    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
-            String key) {
-        mSubtypeSwitcher.onSharedPreferenceChanged(sharedPreferences, key);
-        if (Settings.PREF_SELECTED_LANGUAGES.equals(key)) {
-            mRefreshKeyboardRequired = true;
-        } else if (Settings.PREF_RECORRECTION_ENABLED.equals(key)) {
-            mReCorrectionEnabled = sharedPreferences.getBoolean(
-                    Settings.PREF_RECORRECTION_ENABLED,
-                    mResources.getBoolean(R.bool.config_default_recorrection_enabled));
-        }
+        mKeyboardSwitcher.updateShiftState();
     }
 
     @Override
@@ -1967,7 +1956,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     @Override
-    public void onPress(int primaryCode) {
+    public void onPress(int primaryCode, boolean withSliding) {
         if (mKeyboardSwitcher.isVibrateAndSoundFeedbackRequired()) {
             vibrate();
             playKeyClick(primaryCode);
@@ -1975,25 +1964,27 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         KeyboardSwitcher switcher = mKeyboardSwitcher;
         final boolean distinctMultiTouch = switcher.hasDistinctMultitouch();
         if (distinctMultiTouch && primaryCode == Keyboard.CODE_SHIFT) {
-            switcher.onPressShift();
+            switcher.onPressShift(withSliding);
         } else if (distinctMultiTouch && primaryCode == Keyboard.CODE_SWITCH_ALPHA_SYMBOL) {
             switcher.onPressSymbol();
         } else {
             switcher.onOtherKeyPressed();
         }
+        mAccessibilityUtils.onPress(primaryCode, switcher);
     }
 
     @Override
-    public void onRelease(int primaryCode) {
+    public void onRelease(int primaryCode, boolean withSliding) {
         KeyboardSwitcher switcher = mKeyboardSwitcher;
         // Reset any drag flags in the keyboard
         switcher.keyReleased();
         final boolean distinctMultiTouch = switcher.hasDistinctMultitouch();
         if (distinctMultiTouch && primaryCode == Keyboard.CODE_SHIFT) {
-            switcher.onReleaseShift();
+            switcher.onReleaseShift(withSliding);
         } else if (distinctMultiTouch && primaryCode == Keyboard.CODE_SWITCH_ALPHA_SYMBOL) {
             switcher.onReleaseSymbol();
         }
+        mAccessibilityUtils.onRelease(primaryCode, switcher);
     }
 
 
@@ -2073,6 +2064,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     private void updateCorrectionMode() {
+        // TODO: cleanup messy flags
         mHasDictionary = mSuggest != null ? mSuggest.hasMainDictionary() : false;
         mAutoCorrectOn = (mAutoCorrectEnabled || mQuickFixes)
                 && !mInputTypeNoAutoCorrect && mHasDictionary;
@@ -2124,10 +2116,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     private void loadSettings(EditorInfo attribute) {
         // Get the settings preferences
         final SharedPreferences prefs = mPrefs;
-        Vibrator vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
-        // @@@ mVibrateOn = vibrator != null && vibrator.hasVibrator()
-        mVibrateOn = vibrator != null
-                && prefs.getBoolean(Settings.PREF_VIBRATE_ON, false);
+        final boolean hasVibrator = VibratorCompatWrapper.getInstance(this).hasVibrator();
+        mVibrateOn = hasVibrator && prefs.getBoolean(Settings.PREF_VIBRATE_ON, false);
         mSoundOn = prefs.getBoolean(Settings.PREF_SOUND_ON,
                 mResources.getBoolean(R.bool.config_default_sound_enabled));
 
@@ -2139,7 +2129,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mBigramSuggestionEnabled = mAutoCorrectEnabled && isBigramSuggestionEnabled(prefs);
         loadAndSetAutoCorrectionThreshold(prefs);
 
-        mVoiceConnector.loadSettings(attribute, prefs);
+        mVoiceProxy.loadSettings(attribute, prefs);
 
         updateCorrectionMode();
         updateAutoTextEnabled();
@@ -2250,13 +2240,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 di.dismiss();
                 switch (position) {
                 case 0:
-                    Intent intent = new Intent(
-                            android.provider.Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS);
-                    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                    Intent intent = CompatUtils.getInputLanguageSelectionIntent(
+                            mInputMethodId, Intent.FLAG_ACTIVITY_NEW_TASK
                             | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
                             | Intent.FLAG_ACTIVITY_CLEAR_TOP);
-                    intent.putExtra(android.provider.Settings.EXTRA_INPUT_METHOD_ID,
-                            mInputMethodId);
                     startActivity(intent);
                     break;
                 case 1:
@@ -2293,6 +2280,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
     private void showOptionsMenuInternal(CharSequence title, CharSequence[] items,
             DialogInterface.OnClickListener listener) {
+        final IBinder windowToken = mKeyboardSwitcher.getInputView().getWindowToken();
+        if (windowToken == null) return;
         AlertDialog.Builder builder = new AlertDialog.Builder(this);
         builder.setCancelable(true);
         builder.setIcon(R.drawable.ic_dialog_keyboard);
@@ -2303,7 +2292,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mOptionsDialog.setCanceledOnTouchOutside(true);
         Window window = mOptionsDialog.getWindow();
         WindowManager.LayoutParams lp = window.getAttributes();
-        lp.token = mKeyboardSwitcher.getInputView().getWindowToken();
+        lp.token = windowToken;
         lp.type = WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG;
         window.setAttributes(lp);
         window.addFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
@@ -2347,8 +2336,4 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         for (int i = 0; i < CPS_BUFFER_SIZE; i++) total += mCpsIntervals[i];
         System.out.println("CPS = " + ((CPS_BUFFER_SIZE * 1000f) / total));
     }
-
-    public void onCurrentInputMethodSubtypeChanged(InputMethodSubtype subtype) {
-        SubtypeSwitcher.getInstance().updateSubtype(subtype);
-    }
 }
diff --git a/java/src/com/android/inputmethod/latin/PrivateBinaryDictionaryGetter.java b/java/src/com/android/inputmethod/latin/PrivateBinaryDictionaryGetter.java
new file mode 100644
index 000000000..90726b0d8
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/PrivateBinaryDictionaryGetter.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import android.content.Context;
+
+import java.util.Locale;
+
+class PrivateBinaryDictionaryGetter {
+    private PrivateBinaryDictionaryGetter() {}
+    public static AssetFileAddress getDictionaryFile(Locale locale, Context context) {
+        return null;
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/Settings.java b/java/src/com/android/inputmethod/latin/Settings.java
index 59c68f208..488ab09c3 100644
--- a/java/src/com/android/inputmethod/latin/Settings.java
+++ b/java/src/com/android/inputmethod/latin/Settings.java
@@ -16,17 +16,17 @@
 
 package com.android.inputmethod.latin;
 
-import com.android.inputmethod.voice.VoiceIMEConnector;
-import com.android.inputmethod.voice.VoiceInputLogger;
+import com.android.inputmethod.compat.CompatUtils;
+import com.android.inputmethod.compat.InputMethodManagerCompatWrapper;
+import com.android.inputmethod.deprecated.VoiceProxy;
+import com.android.inputmethod.compat.VibratorCompatWrapper;
 
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.app.backup.BackupManager;
 import android.content.DialogInterface;
-import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
-import android.os.Vibrator;
 import android.preference.CheckBoxPreference;
 import android.preference.ListPreference;
 import android.preference.Preference;
@@ -82,7 +82,7 @@ public class Settings extends PreferenceActivity
 
     private AlertDialog mDialog;
 
-    private VoiceInputLogger mLogger;
+    private VoiceProxy.VoiceLoggerWrapper mVoiceLogger;
 
     private boolean mOkClicked = false;
     private String mVoiceModeOff;
@@ -111,7 +111,7 @@ public class Settings extends PreferenceActivity
         mVoiceModeOff = getString(R.string.voice_mode_off);
         mVoiceOn = !(prefs.getString(PREF_VOICE_SETTINGS_KEY, mVoiceModeOff)
                 .equals(mVoiceModeOff));
-        mLogger = VoiceInputLogger.getLogger(this);
+        mVoiceLogger = VoiceProxy.VoiceLoggerWrapper.getInstance(this);
 
         mAutoCorrectionThreshold = (ListPreference) findPreference(PREF_AUTO_CORRECTION_THRESHOLD);
         mBigramSuggestion = (CheckBoxPreference) findPreference(PREF_BIGRAM_SUGGESTIONS);
@@ -134,10 +134,7 @@ public class Settings extends PreferenceActivity
             generalSettings.removePreference(mVoicePreference);
         }
 
-        Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
-        if (vibrator == null
-        // @@@    || !vibrator.hasVibrator()
-        ) {
+        if (!VibratorCompatWrapper.getInstance(this).hasVibrator()) {
             generalSettings.removePreference(findPreference(PREF_VIBRATE_ON));
         }
 
@@ -186,7 +183,7 @@ public class Settings extends PreferenceActivity
             ((PreferenceGroup) findPreference(PREF_PREDICTION_SETTINGS_KEY))
                     .removePreference(mQuickFixes);
         }
-        if (!VoiceIMEConnector.VOICE_INSTALLED
+        if (!VoiceProxy.VOICE_INSTALLED
                 || !SpeechRecognizer.isRecognitionAvailable(this)) {
             getPreferenceScreen().removePreference(mVoicePreference);
         } else {
@@ -224,16 +221,9 @@ public class Settings extends PreferenceActivity
     @Override
     public boolean onPreferenceClick(Preference pref) {
         if (pref == mInputLanguageSelection) {
-            final String action;
-            if (android.os.Build.VERSION.SDK_INT
-                    >= /* android.os.Build.VERSION_CODES.HONEYCOMB */ 11) {
-                // Refer to android.provider.Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS
-                // TODO: Can this be a constant instead of literal String constant?
-                action = "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
-            } else {
-                action = "com.android.inputmethod.latin.INPUT_LANGUAGE_SELECTION";
-            }
-            startActivity(new Intent(action));
+            startActivity(CompatUtils.getInputLanguageSelectionIntent(
+                    Utils.getInputMethodId(InputMethodManagerCompatWrapper.getInstance(this),
+                            getApplicationInfo().packageName), 0));
             return true;
         }
         return false;
@@ -279,10 +269,10 @@ public class Settings extends PreferenceActivity
                     public void onClick(DialogInterface dialog, int whichButton) {
                         if (whichButton == DialogInterface.BUTTON_NEGATIVE) {
                             mVoicePreference.setValue(mVoiceModeOff);
-                            mLogger.settingsWarningDialogCancel();
+                            mVoiceLogger.settingsWarningDialogCancel();
                         } else if (whichButton == DialogInterface.BUTTON_POSITIVE) {
                             mOkClicked = true;
-                            mLogger.settingsWarningDialogOk();
+                            mVoiceLogger.settingsWarningDialogOk();
                         }
                         updateVoicePreference();
                     }
@@ -313,7 +303,7 @@ public class Settings extends PreferenceActivity
                 AlertDialog dialog = builder.create();
                 mDialog = dialog;
                 dialog.setOnDismissListener(this);
-                mLogger.settingsWarningDialogShown();
+                mVoiceLogger.settingsWarningDialogShown();
                 return dialog;
             default:
                 Log.e(TAG, "unknown dialog " + id);
@@ -323,7 +313,7 @@ public class Settings extends PreferenceActivity
 
     @Override
     public void onDismiss(DialogInterface dialog) {
-        mLogger.settingsWarningDialogDismissed();
+        mVoiceLogger.settingsWarningDialogDismissed();
         if (!mOkClicked) {
             // This assumes that onPreferenceClick gets called first, and this if the user
             // agreed after the warning, we set the mOkClicked value to true.
@@ -333,10 +323,6 @@ public class Settings extends PreferenceActivity
 
     private void updateVoicePreference() {
         boolean isChecked = !mVoicePreference.getValue().equals(mVoiceModeOff);
-        if (isChecked) {
-            mLogger.voiceInputSettingEnabled();
-        } else {
-            mLogger.voiceInputSettingDisabled();
-        }
+        mVoiceLogger.voiceInputSettingEnabled(isChecked);
     }
 }
diff --git a/java/src/com/android/inputmethod/latin/SubtypeSwitcher.java b/java/src/com/android/inputmethod/latin/SubtypeSwitcher.java
index f45c2b7f8..6610a65ef 100644
--- a/java/src/com/android/inputmethod/latin/SubtypeSwitcher.java
+++ b/java/src/com/android/inputmethod/latin/SubtypeSwitcher.java
@@ -16,13 +16,12 @@
 
 package com.android.inputmethod.latin;
 
-import com.android.inputmethod.compat.InputMethodSubtype;
+import com.android.inputmethod.compat.InputMethodInfoCompatWrapper;
+import com.android.inputmethod.compat.InputMethodManagerCompatWrapper;
+import com.android.inputmethod.compat.InputMethodSubtypeCompatWrapper;
+import com.android.inputmethod.deprecated.VoiceProxy;
 import com.android.inputmethod.keyboard.KeyboardSwitcher;
 import com.android.inputmethod.keyboard.LatinKeyboard;
-import com.android.inputmethod.keyboard.LatinKeyboardView;
-import com.android.inputmethod.voice.SettingsUtil;
-import com.android.inputmethod.voice.VoiceIMEConnector;
-import com.android.inputmethod.voice.VoiceInput;
 
 import android.content.Context;
 import android.content.Intent;
@@ -33,11 +32,10 @@ import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
+import android.os.AsyncTask;
 import android.os.IBinder;
 import android.text.TextUtils;
 import android.util.Log;
-import android.view.inputmethod.InputMethodInfo;
-import android.view.inputmethod.InputMethodManager;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -47,7 +45,7 @@ import java.util.Map;
 
 public class SubtypeSwitcher {
     private static boolean DBG = LatinImeLogger.sDBG;
-    private static final String TAG = "SubtypeSwitcher";
+    private static final String TAG = SubtypeSwitcher.class.getSimpleName();
 
     private static final char LOCALE_SEPARATER = '_';
     private static final String KEYBOARD_MODE = "keyboard";
@@ -60,26 +58,27 @@ public class SubtypeSwitcher {
     private static final SubtypeSwitcher sInstance = new SubtypeSwitcher();
     private /* final */ LatinIME mService;
     private /* final */ SharedPreferences mPrefs;
-    private /* final */ InputMethodManager mImm;
+    private /* final */ InputMethodManagerCompatWrapper mImm;
     private /* final */ Resources mResources;
     private /* final */ ConnectivityManager mConnectivityManager;
     private /* final */ boolean mConfigUseSpacebarLanguageSwitcher;
-    private final ArrayList<InputMethodSubtype> mEnabledKeyboardSubtypesOfCurrentInputMethod =
-            new ArrayList<InputMethodSubtype>();
+    private final ArrayList<InputMethodSubtypeCompatWrapper>
+            mEnabledKeyboardSubtypesOfCurrentInputMethod =
+                    new ArrayList<InputMethodSubtypeCompatWrapper>();
     private final ArrayList<String> mEnabledLanguagesOfCurrentInputMethod = new ArrayList<String>();
 
     /*-----------------------------------------------------------*/
     // Variants which should be changed only by reload functions.
     private boolean mNeedsToDisplayLanguage;
     private boolean mIsSystemLanguageSameAsInputLanguage;
-    private InputMethodInfo mShortcutInputMethodInfo;
-    private InputMethodSubtype mShortcutSubtype;
-    private List<InputMethodSubtype> mAllEnabledSubtypesOfCurrentInputMethod;
+    private InputMethodInfoCompatWrapper mShortcutInputMethodInfo;
+    private InputMethodSubtypeCompatWrapper mShortcutSubtype;
+    private List<InputMethodSubtypeCompatWrapper> mAllEnabledSubtypesOfCurrentInputMethod;
+    private InputMethodSubtypeCompatWrapper mCurrentSubtype;
     private Locale mSystemLocale;
     private Locale mInputLocale;
     private String mInputLocaleStr;
-    private String mMode;
-    private VoiceInput mVoiceInput;
+    private VoiceProxy.VoiceInputWrapper mVoiceInputWrapper;
     /*-----------------------------------------------------------*/
 
     private boolean mIsNetworkConnected;
@@ -103,7 +102,7 @@ public class SubtypeSwitcher {
         mService = service;
         mPrefs = prefs;
         mResources = service.getResources();
-        mImm = (InputMethodManager) service.getSystemService(Context.INPUT_METHOD_SERVICE);
+        mImm = InputMethodManagerCompatWrapper.getInstance(service);
         mConnectivityManager = (ConnectivityManager) service.getSystemService(
                 Context.CONNECTIVITY_SERVICE);
         mEnabledKeyboardSubtypesOfCurrentInputMethod.clear();
@@ -111,11 +110,10 @@ public class SubtypeSwitcher {
         mSystemLocale = null;
         mInputLocale = null;
         mInputLocaleStr = null;
-        // Mode is initialized to KEYBOARD_MODE, in case that LatinIME can't obtain currentSubtype
-        mMode = KEYBOARD_MODE;
+        mCurrentSubtype = null;
         mAllEnabledSubtypesOfCurrentInputMethod = null;
         // TODO: Voice input should be created here
-        mVoiceInput = null;
+        mVoiceInputWrapper = null;
         mConfigUseSpacebarLanguageSwitcher = mResources.getBoolean(
                 R.bool.config_use_spacebar_language_switcher);
         if (mConfigUseSpacebarLanguageSwitcher)
@@ -129,7 +127,7 @@ public class SubtypeSwitcher {
     // Only configuration changed event is allowed to call this because this is heavy.
     private void updateAllParameters() {
         mSystemLocale = mResources.getConfiguration().locale;
-        // @@@ updateSubtype(mImm.getCurrentInputMethodSubtype());
+        updateSubtype(mImm.getCurrentInputMethodSubtype());
         updateParametersOnStartInputView();
     }
 
@@ -146,19 +144,20 @@ public class SubtypeSwitcher {
 
     // Reload enabledSubtypes from the framework.
     private void updateEnabledSubtypes() {
+        final String currentMode = getCurrentSubtypeMode();
         boolean foundCurrentSubtypeBecameDisabled = true;
-        // @@@ mAllEnabledSubtypesOfCurrentInputMethod = mImm.getEnabledInputMethodSubtypeList(
-        //        null, true);
+        mAllEnabledSubtypesOfCurrentInputMethod = mImm.getEnabledInputMethodSubtypeList(
+                null, true);
         mEnabledLanguagesOfCurrentInputMethod.clear();
         mEnabledKeyboardSubtypesOfCurrentInputMethod.clear();
-        for (InputMethodSubtype ims: mAllEnabledSubtypesOfCurrentInputMethod) {
+        for (InputMethodSubtypeCompatWrapper ims: mAllEnabledSubtypesOfCurrentInputMethod) {
             final String locale = ims.getLocale();
             final String mode = ims.getMode();
             mLocaleSplitter.setString(locale);
             if (mLocaleSplitter.hasNext()) {
                 mEnabledLanguagesOfCurrentInputMethod.add(mLocaleSplitter.next());
             }
-            if (locale.equals(mInputLocaleStr) && mode.equals(mMode)) {
+            if (locale.equals(mInputLocaleStr) && mode.equals(currentMode)) {
                 foundCurrentSubtypeBecameDisabled = false;
             }
             if (KEYBOARD_MODE.equals(ims.getMode())) {
@@ -169,10 +168,10 @@ public class SubtypeSwitcher {
                 && mIsSystemLanguageSameAsInputLanguage);
         if (foundCurrentSubtypeBecameDisabled) {
             if (DBG) {
-                Log.w(TAG, "Current subtype: " + mInputLocaleStr + ", " + mMode);
+                Log.w(TAG, "Current subtype: " + mInputLocaleStr + ", " + currentMode);
                 Log.w(TAG, "Last subtype was disabled. Update to the current one.");
             }
-            // @@@ updateSubtype(mImm.getCurrentInputMethodSubtype());
+            updateSubtype(mImm.getCurrentInputMethodSubtype());
         }
     }
 
@@ -185,11 +184,10 @@ public class SubtypeSwitcher {
                             + ", " + mShortcutSubtype.getMode())));
         }
         // TODO: Update an icon for shortcut IME
-        /*
-        Map<InputMethodInfo, List<InputMethodSubtype>> shortcuts =
+        final Map<InputMethodInfoCompatWrapper, List<InputMethodSubtypeCompatWrapper>> shortcuts =
                 mImm.getShortcutInputMethodsAndSubtypes();
-        for (InputMethodInfo imi: shortcuts.keySet()) {
-            List<InputMethodSubtype> subtypes = shortcuts.get(imi);
+        for (InputMethodInfoCompatWrapper imi : shortcuts.keySet()) {
+            List<InputMethodSubtypeCompatWrapper> subtypes = shortcuts.get(imi);
             // TODO: Returns the first found IMI for now. Should handle all shortcuts as
             // appropriate.
             mShortcutInputMethodInfo = imi;
@@ -197,17 +195,24 @@ public class SubtypeSwitcher {
             // as appropriate.
             mShortcutSubtype = subtypes.size() > 0 ? subtypes.get(0) : null;
             break;
-            }
-        */
+        }
+        if (DBG) {
+            Log.d(TAG, "Update shortcut IME to : "
+                    + (mShortcutInputMethodInfo == null
+                            ? "<null>" : mShortcutInputMethodInfo.getId()) + ", "
+                    + (mShortcutSubtype == null ? "<null>" : (mShortcutSubtype.getLocale()
+                            + ", " + mShortcutSubtype.getMode())));
+        }
     }
 
     // Update the current subtype. LatinIME.onCurrentInputMethodSubtypeChanged calls this function.
-    public void updateSubtype(InputMethodSubtype newSubtype) {
+    public void updateSubtype(InputMethodSubtypeCompatWrapper newSubtype) {
         final String newLocale;
         final String newMode;
-        if (newSubtype == null) {
+        final String oldMode = getCurrentSubtypeMode();
+        if (newSubtype == null || newSubtype.getOriginalObject() == null) {
             // Normally, newSubtype shouldn't be null. But just in case newSubtype was null,
-            // fallback to the default locale and mode.
+            // fallback to the default locale.
             Log.w(TAG, "Couldn't get the current subtype.");
             newLocale = "en_US";
             newMode = KEYBOARD_MODE;
@@ -217,7 +222,7 @@ public class SubtypeSwitcher {
         }
         if (DBG) {
             Log.w(TAG, "Update subtype to:" + newLocale + "," + newMode
-                    + ", from: " + mInputLocaleStr + ", " + mMode);
+                    + ", from: " + mInputLocaleStr + ", " + oldMode);
         }
         boolean languageChanged = false;
         if (!newLocale.equals(mInputLocaleStr)) {
@@ -227,42 +232,41 @@ public class SubtypeSwitcher {
             updateInputLocale(newLocale);
         }
         boolean modeChanged = false;
-        String oldMode = mMode;
-        if (!newMode.equals(mMode)) {
-            if (mMode != null) {
+        if (!newMode.equals(oldMode)) {
+            if (oldMode != null) {
                 modeChanged = true;
             }
-            mMode = newMode;
         }
+        mCurrentSubtype = newSubtype;
 
         // If the old mode is voice input, we need to reset or cancel its status.
         // We cancel its status when we change mode, while we reset otherwise.
         if (isKeyboardMode()) {
             if (modeChanged) {
-                if (VOICE_MODE.equals(oldMode) && mVoiceInput != null) {
-                    mVoiceInput.cancel();
+                if (VOICE_MODE.equals(oldMode) && mVoiceInputWrapper != null) {
+                    mVoiceInputWrapper.cancel();
                 }
             }
             if (modeChanged || languageChanged) {
                 updateShortcutIME();
                 mService.onRefreshKeyboard();
             }
-        } else if (isVoiceMode() && mVoiceInput != null) {
+        } else if (isVoiceMode() && mVoiceInputWrapper != null) {
             if (VOICE_MODE.equals(oldMode)) {
-                mVoiceInput.reset();
+                mVoiceInputWrapper.reset();
             }
             // If needsToShowWarningDialog is true, voice input need to show warning before
             // show recognition view.
             if (languageChanged || modeChanged
-                    || VoiceIMEConnector.getInstance().needsToShowWarningDialog()) {
+                    || VoiceProxy.getInstance().needsToShowWarningDialog()) {
                 triggerVoiceIME();
             }
         } else {
-            Log.w(TAG, "Unknown subtype mode: " + mMode);
-            if (VOICE_MODE.equals(oldMode) && mVoiceInput != null) {
+            Log.w(TAG, "Unknown subtype mode: " + newMode);
+            if (VOICE_MODE.equals(oldMode) && mVoiceInputWrapper != null) {
                 // We need to reset the voice input to release the resources and to reset its status
                 // as it is not the current input mode.
-                mVoiceInput.reset();
+                mVoiceInputWrapper.reset();
             }
         }
     }
@@ -303,15 +307,34 @@ public class SubtypeSwitcher {
         if (token == null || mShortcutInputMethodInfo == null) {
             return;
         }
-        // @@@ mImm.setInputMethodAndSubtype(token, mShortcutInfo.getId(), mShortcutSubtype);
+        final String imiId = mShortcutInputMethodInfo.getId();
+        final InputMethodSubtypeCompatWrapper subtype = mShortcutSubtype;
+        new AsyncTask<Void, Void, Void>() {
+            @Override
+            protected Void doInBackground(Void... params) {
+                mImm.setInputMethodAndSubtype(token, imiId, subtype);
+                return null;
+            }
+
+            @Override
+            protected void onPostExecute(Void result) {
+                // Calls in this method need to be done in the same thread as the thread which
+                // called switchToShortcutIME().
+
+                // Notify an event that the current subtype was changed. This event will be
+                // handled if "onCurrentInputMethodSubtypeChanged" can't be implemented
+                // when the API level is 10 or previous.
+                mService.notifyOnCurrentInputMethodSubtypeChanged(subtype);
+            }
+        }.execute();
     }
 
     public Drawable getShortcutIcon() {
         return getSubtypeIcon(mShortcutInputMethodInfo, mShortcutSubtype);
     }
 
-    private Drawable getSubtypeIcon(InputMethodInfo imi, InputMethodSubtype subtype) {
-        /*
+    private Drawable getSubtypeIcon(
+            InputMethodInfoCompatWrapper imi, InputMethodSubtypeCompatWrapper subtype) {
         final PackageManager pm = mService.getPackageManager();
         if (imi != null) {
             final String imiPackageName = imi.getPackageName();
@@ -333,8 +356,7 @@ public class SubtypeSwitcher {
                     Log.w(TAG, "IME can't be found: " + imiPackageName);
                 }
             }
-            }
-        */
+        }
         return null;
     }
 
@@ -346,11 +368,28 @@ public class SubtypeSwitcher {
         return false;
     }
 
-    public boolean isShortcutAvailable() {
+    public boolean isShortcutImeEnabled() {
+        if (mShortcutInputMethodInfo == null)
+            return false;
+        if (mShortcutSubtype == null)
+            return true;
+        final boolean allowsImplicitlySelectedSubtypes = true;
+        for (final InputMethodSubtypeCompatWrapper enabledSubtype :
+                mImm.getEnabledInputMethodSubtypeList(
+                        mShortcutInputMethodInfo, allowsImplicitlySelectedSubtypes)) {
+            if (enabledSubtype.equals(mShortcutSubtype))
+                return true;
+        }
+        return false;
+    }
+
+    public boolean isShortcutImeReady() {
         if (mShortcutInputMethodInfo == null)
             return false;
-        if (mShortcutSubtype != null && contains(mShortcutSubtype.getExtraValue().split(","),
-                    SUBTYPE_EXTRAVALUE_REQUIRE_NETWORK_CONNECTIVITY)) {
+        if (mShortcutSubtype == null)
+            return true;
+        if (contains(mShortcutSubtype.getExtraValue().split(","),
+                SUBTYPE_EXTRAVALUE_REQUIRE_NETWORK_CONNECTIVITY)) {
             return mIsNetworkConnected;
         }
         return true;
@@ -361,12 +400,10 @@ public class SubtypeSwitcher {
                 ConnectivityManager.EXTRA_NO_CONNECTIVITY, false);
         mIsNetworkConnected = !noConnection;
 
-        final LatinKeyboardView inputView = KeyboardSwitcher.getInstance().getInputView();
-        if (inputView != null) {
-            final LatinKeyboard keyboard = inputView.getLatinKeyboard();
-            if (keyboard != null) {
-                keyboard.updateShortcutKey(isShortcutAvailable(), inputView);
-            }
+        final KeyboardSwitcher switcher = KeyboardSwitcher.getInstance();
+        final LatinKeyboard keyboard = switcher.getLatinKeyboard();
+        if (keyboard != null) {
+            keyboard.updateShortcutKey(isShortcutImeReady(), switcher.getInputView());
         }
     }
 
@@ -462,14 +499,6 @@ public class SubtypeSwitcher {
         }
     }
 
-    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
-        if (mConfigUseSpacebarLanguageSwitcher) {
-            if (Settings.PREF_SELECTED_LANGUAGES.equals(key)) {
-                mLanguageSwitcher.loadLocales(sharedPreferences);
-            }
-        }
-    }
-
     /**
      * Change system locale for this application
      * @param newLocale
@@ -484,7 +513,7 @@ public class SubtypeSwitcher {
     }
 
     public boolean isKeyboardMode() {
-        return KEYBOARD_MODE.equals(mMode);
+        return KEYBOARD_MODE.equals(getCurrentSubtypeMode());
     }
 
 
@@ -492,9 +521,9 @@ public class SubtypeSwitcher {
     // Voice Input functions //
     ///////////////////////////
 
-    public boolean setVoiceInput(VoiceInput vi) {
-        if (mVoiceInput == null && vi != null) {
-            mVoiceInput = vi;
+    public boolean setVoiceInputWrapper(VoiceProxy.VoiceInputWrapper vi) {
+        if (mVoiceInputWrapper == null && vi != null) {
+            mVoiceInputWrapper = vi;
             if (isVoiceMode()) {
                 if (DBG) {
                     Log.d(TAG, "Set and call voice input.: " + getInputLocaleStr());
@@ -507,12 +536,12 @@ public class SubtypeSwitcher {
     }
 
     public boolean isVoiceMode() {
-        return VOICE_MODE.equals(mMode);
+        return null == mCurrentSubtype ? false : VOICE_MODE.equals(getCurrentSubtypeMode());
     }
 
     private void triggerVoiceIME() {
         if (!mService.isInputViewShown()) return;
-        VoiceIMEConnector.getInstance().startListening(false,
+        VoiceProxy.getInstance().startListening(false,
                 KeyboardSwitcher.getInstance().getInputView().getWindowToken());
     }
 
@@ -573,19 +602,29 @@ public class SubtypeSwitcher {
         }
     }
 
-    // A list of locales which are supported by default for voice input, unless we get a
-    // different list from Gservices.
-    private static final String DEFAULT_VOICE_INPUT_SUPPORTED_LOCALES =
-            "en " +
-            "en_US " +
-            "en_GB " +
-            "en_AU " +
-            "en_CA " +
-            "en_IE " +
-            "en_IN " +
-            "en_NZ " +
-            "en_SG " +
-            "en_ZA ";
+    /////////////////////////////
+    // Other utility functions //
+    /////////////////////////////
+
+    public String getCurrentSubtypeExtraValue() {
+        // If null, return what an empty ExtraValue would return : the empty string.
+        return null != mCurrentSubtype ? mCurrentSubtype.getExtraValue() : "";
+    }
+
+    public boolean currentSubtypeContainsExtraValueKey(String key) {
+        // If null, return what an empty ExtraValue would return : false.
+        return null != mCurrentSubtype ? mCurrentSubtype.containsExtraValueKey(key) : false;
+    }
+
+    public String getCurrentSubtypeExtraValueOf(String key) {
+        // If null, return what an empty ExtraValue would return : null.
+        return null != mCurrentSubtype ? mCurrentSubtype.getExtraValueOf(key) : null;
+    }
+
+    public String getCurrentSubtypeMode() {
+        return null != mCurrentSubtype ? mCurrentSubtype.getMode() : KEYBOARD_MODE;
+    }
+
 
     public boolean isVoiceSupported(String locale) {
         // Get the current list of supported locales and check the current locale against that
@@ -593,10 +632,8 @@ public class SubtypeSwitcher {
         // input. Because this method is called by onStartInputView, this should mean that as
         // long as the locale doesn't change while the user is keeping the IME open, the
         // value should never be stale.
-        String supportedLocalesString = SettingsUtil.getSettingsString(
-                mService.getContentResolver(),
-                SettingsUtil.LATIN_IME_VOICE_INPUT_SUPPORTED_LOCALES,
-                DEFAULT_VOICE_INPUT_SUPPORTED_LOCALES);
+        String supportedLocalesString = VoiceProxy.getSupportedLocalesString(
+                mService.getContentResolver());
         List<String> voiceInputSupportedLocales = Arrays.asList(
                 supportedLocalesString.split("\\s+"));
         return voiceInputSupportedLocales.contains(locale);
diff --git a/java/src/com/android/inputmethod/latin/Suggest.java b/java/src/com/android/inputmethod/latin/Suggest.java
index c9e57d0a5..0cc9d4198 100644
--- a/java/src/com/android/inputmethod/latin/Suggest.java
+++ b/java/src/com/android/inputmethod/latin/Suggest.java
@@ -25,6 +25,11 @@ import android.view.View;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Set;
 
 /**
  * This class loads a dictionary and provides a list of suggestions for a given sequence of
@@ -43,7 +48,7 @@ public class Suggest implements Dictionary.WordCallback {
 
     /**
      * Words that appear in both bigram and unigram data gets multiplier ranging from
-     * BIGRAM_MULTIPLIER_MIN to BIGRAM_MULTIPLIER_MAX depending on the frequency score from
+     * BIGRAM_MULTIPLIER_MIN to BIGRAM_MULTIPLIER_MAX depending on the score from
      * bigram data.
      */
     public static final double BIGRAM_MULTIPLIER_MIN = 1.2;
@@ -63,19 +68,23 @@ public class Suggest implements Dictionary.WordCallback {
     // If you add a type of dictionary, increment DIC_TYPE_LAST_ID
     public static final int DIC_TYPE_LAST_ID = 4;
 
+    public static final String DICT_KEY_MAIN = "main";
+    public static final String DICT_KEY_CONTACTS = "contacts";
+    public static final String DICT_KEY_AUTO = "auto";
+    public static final String DICT_KEY_USER = "user";
+    public static final String DICT_KEY_USER_BIGRAM = "user_bigram";
+    public static final String DICT_KEY_WHITELIST ="whitelist";
+
     static final int LARGE_DICTIONARY_THRESHOLD = 200 * 1000;
 
     private static final boolean DBG = LatinImeLogger.sDBG;
 
-    private BinaryDictionary mMainDict;
-
-    private Dictionary mUserDictionary;
-
-    private Dictionary mAutoDictionary;
-
-    private Dictionary mContactsDictionary;
+    private AutoCorrection mAutoCorrection;
 
-    private Dictionary mUserBigramDictionary;
+    private BinaryDictionary mMainDict;
+    private WhitelistDictionary mWhiteListDictionary;
+    private final Map<String, Dictionary> mUnigramDictionaries = new HashMap<String, Dictionary>();
+    private final Map<String, Dictionary> mBigramDictionaries = new HashMap<String, Dictionary>();
 
     private int mPrefMaxSuggestions = 12;
 
@@ -84,20 +93,13 @@ public class Suggest implements Dictionary.WordCallback {
     private boolean mQuickFixesEnabled;
 
     private double mAutoCorrectionThreshold;
-    private int[] mPriorities = new int[mPrefMaxSuggestions];
-    private int[] mBigramPriorities = new int[PREF_MAX_BIGRAMS];
-
-    // Handle predictive correction for only the first 1280 characters for performance reasons
-    // If we support scripts that need latin characters beyond that, we should probably use some
-    // kind of a sparse array or language specific list with a mapping lookup table.
-    // 1280 is the size of the BASE_CHARS array in ExpandableDictionary, which is a basic set of
-    // latin characters.
-    private int[] mNextLettersFrequencies = new int[1280];
+    private int[] mScores = new int[mPrefMaxSuggestions];
+    private int[] mBigramScores = new int[PREF_MAX_BIGRAMS];
+
     private ArrayList<CharSequence> mSuggestions = new ArrayList<CharSequence>();
     ArrayList<CharSequence> mBigramSuggestions  = new ArrayList<CharSequence>();
     private ArrayList<CharSequence> mStringPool = new ArrayList<CharSequence>();
-    private boolean mHasAutoCorrection;
-    private String mLowerOriginalWord;
+    private CharSequence mTypedWord;
 
     // TODO: Remove these member variables by passing more context to addWord() callback method
     private boolean mIsFirstCharCapitalized;
@@ -105,17 +107,44 @@ public class Suggest implements Dictionary.WordCallback {
 
     private int mCorrectionMode = CORRECTION_BASIC;
 
-    public Suggest(Context context, int dictionaryResId) {
-        mMainDict = BinaryDictionary.initDictionary(context, dictionaryResId, DIC_MAIN);
-        initPool();
+    public Suggest(Context context, int dictionaryResId, Locale locale) {
+        init(context, BinaryDictionary.initDictionaryFromManager(context, DIC_MAIN, locale,
+                dictionaryResId));
+    }
+
+    /* package for test */ Suggest(File dictionary, long startOffset, long length,
+            BinaryDictionary.Flag[] flagArray) {
+        init(null, BinaryDictionary.initDictionary(dictionary, startOffset, length, DIC_MAIN,
+                flagArray));
     }
 
-    // For unit test
-    /* package */ Suggest(File dictionary, long startOffset, long length) {
-        mMainDict = BinaryDictionary.initDictionary(dictionary, startOffset, length, DIC_MAIN);
+    private void init(Context context, BinaryDictionary mainDict) {
+        if (mainDict != null) {
+            mMainDict = mainDict;
+            mUnigramDictionaries.put(DICT_KEY_MAIN, mainDict);
+            mBigramDictionaries.put(DICT_KEY_MAIN, mainDict);
+        }
+        mWhiteListDictionary = WhitelistDictionary.init(context);
+        if (mWhiteListDictionary != null) {
+            mUnigramDictionaries.put(DICT_KEY_WHITELIST, mWhiteListDictionary);
+        }
+        mAutoCorrection = new AutoCorrection();
         initPool();
     }
 
+    public void resetMainDict(Context context, int dictionaryResId, Locale locale) {
+        final BinaryDictionary newMainDict = BinaryDictionary.initDictionaryFromManager(context,
+                DIC_MAIN, locale, dictionaryResId);
+        mMainDict = newMainDict;
+        if (null == newMainDict) {
+            mUnigramDictionaries.remove(DICT_KEY_MAIN);
+            mBigramDictionaries.remove(DICT_KEY_MAIN);
+        } else {
+            mUnigramDictionaries.put(DICT_KEY_MAIN, newMainDict);
+            mBigramDictionaries.put(DICT_KEY_MAIN, newMainDict);
+        }
+    }
+
     private void initPool() {
         for (int i = 0; i < mPrefMaxSuggestions; i++) {
             StringBuilder sb = new StringBuilder(getApproxMaxWordLength());
@@ -139,6 +168,10 @@ public class Suggest implements Dictionary.WordCallback {
         return mMainDict != null && mMainDict.getSize() > LARGE_DICTIONARY_THRESHOLD;
     }
 
+    public Map<String, Dictionary> getUnigramDictionaries() {
+        return mUnigramDictionaries;
+    }
+
     public int getApproxMaxWordLength() {
         return APPROX_MAX_WORD_LENGTH;
     }
@@ -148,22 +181,28 @@ public class Suggest implements Dictionary.WordCallback {
      * before the main dictionary, if set.
      */
     public void setUserDictionary(Dictionary userDictionary) {
-        mUserDictionary = userDictionary;
+        if (userDictionary != null)
+            mUnigramDictionaries.put(DICT_KEY_USER, userDictionary);
     }
 
     /**
      * Sets an optional contacts dictionary resource to be loaded.
      */
-    public void setContactsDictionary(Dictionary userDictionary) {
-        mContactsDictionary = userDictionary;
+    public void setContactsDictionary(Dictionary contactsDictionary) {
+        if (contactsDictionary != null) {
+            mUnigramDictionaries.put(DICT_KEY_CONTACTS, contactsDictionary);
+            mBigramDictionaries.put(DICT_KEY_CONTACTS, contactsDictionary);
+        }
     }
 
     public void setAutoDictionary(Dictionary autoDictionary) {
-        mAutoDictionary = autoDictionary;
+        if (autoDictionary != null)
+            mUnigramDictionaries.put(DICT_KEY_AUTO, autoDictionary);
     }
 
     public void setUserBigramDictionary(Dictionary userBigramDictionary) {
-        mUserBigramDictionary = userBigramDictionary;
+        if (userBigramDictionary != null)
+            mBigramDictionaries.put(DICT_KEY_USER_BIGRAM, userBigramDictionary);
     }
 
     public void setAutoCorrectionThreshold(double threshold) {
@@ -185,8 +224,8 @@ public class Suggest implements Dictionary.WordCallback {
             throw new IllegalArgumentException("maxSuggestions must be between 1 and 100");
         }
         mPrefMaxSuggestions = maxSuggestions;
-        mPriorities = new int[mPrefMaxSuggestions];
-        mBigramPriorities = new int[PREF_MAX_BIGRAMS];
+        mScores = new int[mPrefMaxSuggestions];
+        mBigramScores = new int[PREF_MAX_BIGRAMS];
         collectGarbage(mSuggestions, mPrefMaxSuggestions);
         while (mStringPool.size() < mPrefMaxSuggestions) {
             StringBuilder sb = new StringBuilder(getApproxMaxWordLength());
@@ -207,35 +246,50 @@ public class Suggest implements Dictionary.WordCallback {
         return getSuggestedWordBuilder(view, wordComposer, prevWordForBigram).build();
     }
 
+    private CharSequence capitalizeWord(boolean all, boolean first, CharSequence word) {
+        if (TextUtils.isEmpty(word) || !(all || first)) return word;
+        final int wordLength = word.length();
+        final int poolSize = mStringPool.size();
+        final StringBuilder sb =
+                poolSize > 0 ? (StringBuilder) mStringPool.remove(poolSize - 1)
+                        : new StringBuilder(getApproxMaxWordLength());
+        sb.setLength(0);
+        if (all) {
+            sb.append(word.toString().toUpperCase());
+        } else if (first) {
+            sb.append(Character.toUpperCase(word.charAt(0)));
+            if (wordLength > 1) {
+                sb.append(word.subSequence(1, wordLength));
+            }
+        }
+        return sb;
+    }
+
     // TODO: cleanup dictionaries looking up and suggestions building with SuggestedWords.Builder
     public SuggestedWords.Builder getSuggestedWordBuilder(View view, WordComposer wordComposer,
             CharSequence prevWordForBigram) {
         LatinImeLogger.onStartSuggestion(prevWordForBigram);
-        mHasAutoCorrection = false;
+        mAutoCorrection.init();
         mIsFirstCharCapitalized = wordComposer.isFirstCharCapitalized();
         mIsAllUpperCase = wordComposer.isAllUpperCase();
         collectGarbage(mSuggestions, mPrefMaxSuggestions);
-        Arrays.fill(mPriorities, 0);
-        Arrays.fill(mNextLettersFrequencies, 0);
+        Arrays.fill(mScores, 0);
 
         // Save a lowercase version of the original word
         CharSequence typedWord = wordComposer.getTypedWord();
         if (typedWord != null) {
             final String typedWordString = typedWord.toString();
             typedWord = typedWordString;
-            mLowerOriginalWord = typedWordString.toLowerCase();
             // Treating USER_TYPED as UNIGRAM suggestion for logging now.
             LatinImeLogger.onAddSuggestedWord(typedWordString, Suggest.DIC_USER_TYPED,
                     Dictionary.DataType.UNIGRAM);
-        } else {
-            mLowerOriginalWord = "";
         }
+        mTypedWord = typedWord;
 
-        double normalizedScore = Integer.MIN_VALUE;
         if (wordComposer.size() == 1 && (mCorrectionMode == CORRECTION_FULL_BIGRAM
                 || mCorrectionMode == CORRECTION_BASIC)) {
             // At first character typed, search only the bigrams
-            Arrays.fill(mBigramPriorities, 0);
+            Arrays.fill(mBigramScores, 0);
             collectGarbage(mBigramSuggestions, PREF_MAX_BIGRAMS);
 
             if (!TextUtils.isEmpty(prevWordForBigram)) {
@@ -243,17 +297,8 @@ public class Suggest implements Dictionary.WordCallback {
                 if (mMainDict != null && mMainDict.isValidWord(lowerPrevWord)) {
                     prevWordForBigram = lowerPrevWord;
                 }
-                if (mUserBigramDictionary != null) {
-                    mUserBigramDictionary.getBigrams(wordComposer, prevWordForBigram, this,
-                            mNextLettersFrequencies);
-                }
-                if (mContactsDictionary != null) {
-                    mContactsDictionary.getBigrams(wordComposer, prevWordForBigram, this,
-                            mNextLettersFrequencies);
-                }
-                if (mMainDict != null) {
-                    mMainDict.getBigrams(wordComposer, prevWordForBigram, this,
-                            mNextLettersFrequencies);
+                for (final Dictionary dictionary : mBigramDictionaries.values()) {
+                    dictionary.getBigrams(wordComposer, prevWordForBigram, this);
                 }
                 char currentChar = wordComposer.getTypedWord().charAt(0);
                 char currentCharUpper = Character.toUpperCase(currentChar);
@@ -276,120 +321,85 @@ public class Suggest implements Dictionary.WordCallback {
 
         } else if (wordComposer.size() > 1) {
             // At second character typed, search the unigrams (scores being affected by bigrams)
-            if (mUserDictionary != null || mContactsDictionary != null) {
-                if (mUserDictionary != null) {
-                    mUserDictionary.getWords(wordComposer, this, mNextLettersFrequencies);
-                }
-                if (mContactsDictionary != null) {
-                    mContactsDictionary.getWords(wordComposer, this, mNextLettersFrequencies);
-                }
-
-                if (mSuggestions.size() > 0 && isValidWord(typedWord)
-                        && (mCorrectionMode == CORRECTION_FULL
-                        || mCorrectionMode == CORRECTION_FULL_BIGRAM)) {
-                    if (DBG) {
-                        Log.d(TAG, "Auto corrected by CORRECTION_FULL.");
-                    }
-                    mHasAutoCorrection = true;
-                }
-            }
-            if (mMainDict != null) mMainDict.getWords(wordComposer, this, mNextLettersFrequencies);
-            if ((mCorrectionMode == CORRECTION_FULL || mCorrectionMode == CORRECTION_FULL_BIGRAM)
-                    && mSuggestions.size() > 0 && mPriorities.length > 0) {
-                // TODO: when the normalized score of the first suggestion is nearly equals to
-                //       the normalized score of the second suggestion, behave less aggressive.
-                normalizedScore = Utils.calcNormalizedScore(
-                        typedWord, mSuggestions.get(0), mPriorities[0]);
-                if (DBG) {
-                    Log.d(TAG, "Normalized " + typedWord + "," + mSuggestions.get(0) + ","
-                            + mPriorities[0] + ", " + normalizedScore
-                            + "(" + mAutoCorrectionThreshold + ")");
-                }
-                if (normalizedScore >= mAutoCorrectionThreshold) {
-                    if (DBG) {
-                        Log.d(TAG, "Auto corrected by S-threthhold.");
-                    }
-                    mHasAutoCorrection = true;
-                }
+            for (final String key : mUnigramDictionaries.keySet()) {
+                // Skip AutoDictionary and WhitelistDictionary to lookup
+                if (key.equals(DICT_KEY_AUTO) || key.equals(DICT_KEY_WHITELIST))
+                    continue;
+                final Dictionary dictionary = mUnigramDictionaries.get(key);
+                dictionary.getWords(wordComposer, this);
             }
         }
+        CharSequence autoText = null;
+        final String typedWordString = typedWord == null ? null : typedWord.toString();
         if (typedWord != null) {
-            mSuggestions.add(0, typedWord.toString());
-        }
-        if (mQuickFixesEnabled) {
-            int i = 0;
-            int max = 6;
-            // Don't autotext the suggestions from the dictionaries
-            if (mCorrectionMode == CORRECTION_BASIC) max = 1;
-            while (i < mSuggestions.size() && i < max) {
-                String suggestedWord = mSuggestions.get(i).toString().toLowerCase();
-                CharSequence autoText =
-                        AutoText.get(suggestedWord, 0, suggestedWord.length(), view);
+            // Apply quick fix only for the typed word.
+            if (mQuickFixesEnabled) {
+                final String lowerCaseTypedWord = typedWordString.toLowerCase();
+                CharSequence tempAutoText = capitalizeWord(
+                        mIsAllUpperCase, mIsFirstCharCapitalized, AutoText.get(
+                                lowerCaseTypedWord, 0, lowerCaseTypedWord.length(), view));
+                // TODO: cleanup canAdd
                 // Is there an AutoText (also known as Quick Fixes) correction?
-                boolean canAdd = autoText != null;
                 // Capitalize as needed
-                final int autoTextLength = autoText != null ? autoText.length() : 0;
-                if (autoTextLength > 0 && (mIsAllUpperCase || mIsFirstCharCapitalized)) {
-                    int poolSize = mStringPool.size();
-                    StringBuilder sb = poolSize > 0 ? (StringBuilder) mStringPool.remove(
-                            poolSize - 1) : new StringBuilder(getApproxMaxWordLength());
-                    sb.setLength(0);
-                    if (mIsAllUpperCase) {
-                        sb.append(autoText.toString().toUpperCase());
-                    } else if (mIsFirstCharCapitalized) {
-                        sb.append(Character.toUpperCase(autoText.charAt(0)));
-                        if (autoTextLength > 1) {
-                            sb.append(autoText.subSequence(1, autoTextLength));
-                        }
-                    }
-                    autoText = sb.toString();
-                }
+                boolean canAdd = tempAutoText != null;
                 // Is that correction already the current prediction (or original word)?
-                canAdd &= !TextUtils.equals(autoText, mSuggestions.get(i));
+                canAdd &= !TextUtils.equals(tempAutoText, typedWord);
                 // Is that correction already the next predicted word?
-                if (canAdd && i + 1 < mSuggestions.size() && mCorrectionMode != CORRECTION_BASIC) {
-                    canAdd &= !TextUtils.equals(autoText, mSuggestions.get(i + 1));
+                if (canAdd && mSuggestions.size() > 0 && mCorrectionMode != CORRECTION_BASIC) {
+                    canAdd &= !TextUtils.equals(tempAutoText, mSuggestions.get(0));
                 }
                 if (canAdd) {
                     if (DBG) {
                         Log.d(TAG, "Auto corrected by AUTOTEXT.");
                     }
-                    mHasAutoCorrection = true;
-                    mSuggestions.add(i + 1, autoText);
-                    i++;
+                    autoText = tempAutoText;
                 }
-                i++;
             }
         }
+
+        CharSequence whitelistedWord = capitalizeWord(mIsAllUpperCase, mIsFirstCharCapitalized,
+                mWhiteListDictionary.getWhiteListedWord(typedWordString));
+
+        mAutoCorrection.updateAutoCorrectionStatus(mUnigramDictionaries, wordComposer,
+                mSuggestions, mScores, typedWord, mAutoCorrectionThreshold, mCorrectionMode,
+                autoText, whitelistedWord);
+
+        if (autoText != null) {
+            mSuggestions.add(0, autoText);
+        }
+
+        if (whitelistedWord != null) {
+            mSuggestions.add(0, whitelistedWord);
+        }
+
+        if (typedWord != null) {
+            mSuggestions.add(0, typedWordString);
+        }
         removeDupes();
+
         if (DBG) {
-            ArrayList<SuggestedWords.SuggestedWordInfo> frequencyInfoList =
+            double normalizedScore = mAutoCorrection.getNormalizedScore();
+            ArrayList<SuggestedWords.SuggestedWordInfo> scoreInfoList =
                     new ArrayList<SuggestedWords.SuggestedWordInfo>();
-            frequencyInfoList.add(new SuggestedWords.SuggestedWordInfo("+", false));
-            final int priorityLength = mPriorities.length;
-            for (int i = 0; i < priorityLength; ++i) {
+            scoreInfoList.add(new SuggestedWords.SuggestedWordInfo("+", false));
+            for (int i = 0; i < mScores.length; ++i) {
                 if (normalizedScore > 0) {
-                    final String priorityThreshold = Integer.toString(mPriorities[i]) + " (" +
-                            normalizedScore + ")";
-                    frequencyInfoList.add(
-                            new SuggestedWords.SuggestedWordInfo(priorityThreshold, false));
+                    final String scoreThreshold = String.format("%d (%4.2f)", mScores[i],
+                            normalizedScore);
+                    scoreInfoList.add(
+                            new SuggestedWords.SuggestedWordInfo(scoreThreshold, false));
                     normalizedScore = 0.0;
                 } else {
-                    final String priority = Integer.toString(mPriorities[i]);
-                    frequencyInfoList.add(new SuggestedWords.SuggestedWordInfo(priority, false));
+                    final String score = Integer.toString(mScores[i]);
+                    scoreInfoList.add(new SuggestedWords.SuggestedWordInfo(score, false));
                 }
             }
-            for (int i = priorityLength; i < mSuggestions.size(); ++i) {
-                frequencyInfoList.add(new SuggestedWords.SuggestedWordInfo("--", false));
+            for (int i = mScores.length; i < mSuggestions.size(); ++i) {
+                scoreInfoList.add(new SuggestedWords.SuggestedWordInfo("--", false));
             }
-            return new SuggestedWords.Builder().addWords(mSuggestions, frequencyInfoList);
-        } else {
-            return new SuggestedWords.Builder().addWords(mSuggestions, null);
+            return new SuggestedWords.Builder().addWords(mSuggestions, scoreInfoList);
         }
-    }
-
-    public int[] getNextLettersFrequencies() {
-        return mNextLettersFrequencies;
+        return new SuggestedWords.Builder().addWords(mSuggestions, null);
     }
 
     private void removeDupes() {
@@ -420,45 +430,43 @@ public class Suggest implements Dictionary.WordCallback {
     }
 
     public boolean hasAutoCorrection() {
-        return mHasAutoCorrection;
-    }
-
-    private static boolean compareCaseInsensitive(final String lowerOriginalWord,
-            final char[] word, final int offset, final int length) {
-        final int originalLength = lowerOriginalWord.length();
-        if (originalLength == length && Character.isUpperCase(word[offset])) {
-            for (int i = 0; i < originalLength; i++) {
-                if (lowerOriginalWord.charAt(i) != Character.toLowerCase(word[offset+i])) {
-                    return false;
-                }
-            }
-            return true;
-        }
-        return false;
+        return mAutoCorrection.hasAutoCorrection();
     }
 
     @Override
-    public boolean addWord(final char[] word, final int offset, final int length, int freq,
+    public boolean addWord(final char[] word, final int offset, final int length, int score,
             final int dicTypeId, final Dictionary.DataType dataType) {
         Dictionary.DataType dataTypeForLog = dataType;
-        ArrayList<CharSequence> suggestions;
-        int[] priorities;
-        int prefMaxSuggestions;
+        final ArrayList<CharSequence> suggestions;
+        final int[] sortedScores;
+        final int prefMaxSuggestions;
         if(dataType == Dictionary.DataType.BIGRAM) {
             suggestions = mBigramSuggestions;
-            priorities = mBigramPriorities;
+            sortedScores = mBigramScores;
             prefMaxSuggestions = PREF_MAX_BIGRAMS;
         } else {
             suggestions = mSuggestions;
-            priorities = mPriorities;
+            sortedScores = mScores;
             prefMaxSuggestions = mPrefMaxSuggestions;
         }
 
         int pos = 0;
 
         // Check if it's the same word, only caps are different
-        if (compareCaseInsensitive(mLowerOriginalWord, word, offset, length)) {
-            pos = 0;
+        if (Utils.equalsIgnoreCase(mTypedWord, word, offset, length)) {
+            // TODO: remove this surrounding if clause and move this logic to
+            // getSuggestedWordBuilder.
+            if (suggestions.size() > 0) {
+                final String currentHighestWord = suggestions.get(0).toString();
+                // If the current highest word is also equal to typed word, we need to compare
+                // frequency to determine the insertion position. This does not ensure strictly
+                // correct ordering, but ensures the top score is on top which is enough for
+                // removing duplicates correctly.
+                if (Utils.equalsIgnoreCase(currentHighestWord, word, offset, length)
+                        && score <= sortedScores[0]) {
+                    pos = 1;
+                }
+            }
         } else {
             if (dataType == Dictionary.DataType.UNIGRAM) {
                 // Check if the word was already added before (by bigram data)
@@ -466,24 +474,24 @@ public class Suggest implements Dictionary.WordCallback {
                 if(bigramSuggestion >= 0) {
                     dataTypeForLog = Dictionary.DataType.BIGRAM;
                     // turn freq from bigram into multiplier specified above
-                    double multiplier = (((double) mBigramPriorities[bigramSuggestion])
+                    double multiplier = (((double) mBigramScores[bigramSuggestion])
                             / MAXIMUM_BIGRAM_FREQUENCY)
                             * (BIGRAM_MULTIPLIER_MAX - BIGRAM_MULTIPLIER_MIN)
                             + BIGRAM_MULTIPLIER_MIN;
                     /* Log.d(TAG,"bigram num: " + bigramSuggestion
                             + "  wordB: " + mBigramSuggestions.get(bigramSuggestion).toString()
-                            + "  currentPriority: " + freq + "  bigramPriority: "
-                            + mBigramPriorities[bigramSuggestion]
+                            + "  currentScore: " + score + "  bigramScore: "
+                            + mBigramScores[bigramSuggestion]
                             + "  multiplier: " + multiplier); */
-                    freq = (int)Math.round((freq * multiplier));
+                    score = (int)Math.round((score * multiplier));
                 }
             }
 
-            // Check the last one's priority and bail
-            if (priorities[prefMaxSuggestions - 1] >= freq) return true;
+            // Check the last one's score and bail
+            if (sortedScores[prefMaxSuggestions - 1] >= score) return true;
             while (pos < prefMaxSuggestions) {
-                if (priorities[pos] < freq
-                        || (priorities[pos] == freq && length < suggestions.get(pos).length())) {
+                if (sortedScores[pos] < score
+                        || (sortedScores[pos] == score && length < suggestions.get(pos).length())) {
                     break;
                 }
                 pos++;
@@ -493,8 +501,8 @@ public class Suggest implements Dictionary.WordCallback {
             return true;
         }
 
-        System.arraycopy(priorities, pos, priorities, pos + 1, prefMaxSuggestions - pos - 1);
-        priorities[pos] = freq;
+        System.arraycopy(sortedScores, pos, sortedScores, pos + 1, prefMaxSuggestions - pos - 1);
+        sortedScores[pos] = score;
         int poolSize = mStringPool.size();
         StringBuilder sb = poolSize > 0 ? (StringBuilder) mStringPool.remove(poolSize - 1)
                 : new StringBuilder(getApproxMaxWordLength());
@@ -541,16 +549,6 @@ public class Suggest implements Dictionary.WordCallback {
         return -1;
     }
 
-    public boolean isValidWord(final CharSequence word) {
-        if (word == null || word.length() == 0 || mMainDict == null) {
-            return false;
-        }
-        return mMainDict.isValidWord(word)
-                || (mUserDictionary != null && mUserDictionary.isValidWord(word))
-                || (mAutoDictionary != null && mAutoDictionary.isValidWord(word))
-                || (mContactsDictionary != null && mContactsDictionary.isValidWord(word));
-    }
-
     private void collectGarbage(ArrayList<CharSequence> suggestions, int prefMaxSuggestions) {
         int poolSize = mStringPool.size();
         int garbageSize = suggestions.size();
@@ -569,25 +567,12 @@ public class Suggest implements Dictionary.WordCallback {
     }
 
     public void close() {
-        if (mMainDict != null) {
-            mMainDict.close();
-            mMainDict = null;
-        }
-        if (mUserDictionary != null) {
-            mUserDictionary.close();
-            mUserDictionary = null;
-        }
-        if (mUserBigramDictionary != null) {
-            mUserBigramDictionary.close();
-            mUserBigramDictionary = null;
-        }
-        if (mContactsDictionary != null) {
-            mContactsDictionary.close();
-            mContactsDictionary = null;
-        }
-        if (mAutoDictionary != null) {
-            mAutoDictionary.close();
-            mAutoDictionary = null;
+        final Set<Dictionary> dictionaries = new HashSet<Dictionary>();
+        dictionaries.addAll(mUnigramDictionaries.values());
+        dictionaries.addAll(mBigramDictionaries.values());
+        for (final Dictionary dictionary : dictionaries) {
+            dictionary.close();
         }
+        mMainDict = null;
     }
 }
diff --git a/java/src/com/android/inputmethod/latin/SuggestedWords.java b/java/src/com/android/inputmethod/latin/SuggestedWords.java
index f774ce3a5..fe7aac7c2 100644
--- a/java/src/com/android/inputmethod/latin/SuggestedWords.java
+++ b/java/src/com/android/inputmethod/latin/SuggestedWords.java
@@ -24,23 +24,20 @@ import java.util.HashSet;
 import java.util.List;
 
 public class SuggestedWords {
-    public static final SuggestedWords EMPTY = new SuggestedWords(null, false, false, false, null);
+    public static final SuggestedWords EMPTY = new SuggestedWords(null, false, false, null);
 
     public final List<CharSequence> mWords;
-    public final boolean mIsApplicationSpecifiedCompletions;
     public final boolean mTypedWordValid;
     public final boolean mHasMinimalSuggestion;
     public final List<SuggestedWordInfo> mSuggestedWordInfoList;
 
-    private SuggestedWords(List<CharSequence> words, boolean isApplicationSpecifiedCompletions,
-            boolean typedWordValid, boolean hasMinamlSuggestion,
-            List<SuggestedWordInfo> suggestedWordInfoList) {
+    private SuggestedWords(List<CharSequence> words, boolean typedWordValid,
+            boolean hasMinamlSuggestion, List<SuggestedWordInfo> suggestedWordInfoList) {
         if (words != null) {
             mWords = words;
         } else {
             mWords = Collections.emptyList();
         }
-        mIsApplicationSpecifiedCompletions = isApplicationSpecifiedCompletions;
         mTypedWordValid = typedWordValid;
         mHasMinimalSuggestion = hasMinamlSuggestion;
         mSuggestedWordInfoList = suggestedWordInfoList;
@@ -64,7 +61,6 @@ public class SuggestedWords {
 
     public static class Builder {
         private List<CharSequence> mWords = new ArrayList<CharSequence>();
-        private boolean mIsCompletions;
         private boolean mTypedWordValid;
         private boolean mHasMinimalSuggestion;
         private List<SuggestedWordInfo> mSuggestedWordInfoList =
@@ -109,7 +105,6 @@ public class SuggestedWords {
         public Builder setApplicationSpecifiedCompletions(CompletionInfo[] infos) {
             for (CompletionInfo info : infos)
                 addWord(info.getText());
-            mIsCompletions = true;
             return this;
         }
 
@@ -141,15 +136,14 @@ public class SuggestedWords {
                     alreadySeen.add(prevWord);
                 }
             }
-            mIsCompletions = false;
             mTypedWordValid = false;
             mHasMinimalSuggestion = false;
             return this;
         }
 
         public SuggestedWords build() {
-            return new SuggestedWords(mWords, mIsCompletions, mTypedWordValid,
-                    mHasMinimalSuggestion, mSuggestedWordInfoList);
+            return new SuggestedWords(mWords, mTypedWordValid, mHasMinimalSuggestion,
+                    mSuggestedWordInfoList);
         }
 
         public int size() {
diff --git a/java/src/com/android/inputmethod/latin/TextEntryState.java b/java/src/com/android/inputmethod/latin/TextEntryState.java
index f571f26d5..63196430b 100644
--- a/java/src/com/android/inputmethod/latin/TextEntryState.java
+++ b/java/src/com/android/inputmethod/latin/TextEntryState.java
@@ -16,117 +16,39 @@
 
 package com.android.inputmethod.latin;
 
-import com.android.inputmethod.keyboard.Key;
-
-import android.content.Context;
-import android.text.format.DateFormat;
 import android.util.Log;
 
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.util.Calendar;
-
 public class TextEntryState {
-    
-    private static final boolean DBG = false;
-
-    private static final String TAG = "TextEntryState";
-
-    private static boolean LOGGING = false;
-
-    private static int sBackspaceCount = 0;
-    
-    private static int sAutoSuggestCount = 0;
-    
-    private static int sAutoSuggestUndoneCount = 0;
-    
-    private static int sManualSuggestCount = 0;
-    
-    private static int sWordNotInDictionaryCount = 0;
-    
-    private static int sSessionCount = 0;
-    
-    private static int sTypedChars;
-
-    private static int sActualChars;
-
-    public enum State {
-        UNKNOWN,
-        START,
-        IN_WORD,
-        ACCEPTED_DEFAULT,
-        PICKED_SUGGESTION,
-        PUNCTUATION_AFTER_WORD,
-        PUNCTUATION_AFTER_ACCEPTED,
-        SPACE_AFTER_ACCEPTED,
-        SPACE_AFTER_PICKED,
-        UNDO_COMMIT,
-        CORRECTING,
-        PICKED_CORRECTION,
+    private static final String TAG = TextEntryState.class.getSimpleName();
+    private static final boolean DEBUG = false;
+
+    private static final int UNKNOWN = 0;
+    private static final int START = 1;
+    private static final int IN_WORD = 2;
+    private static final int ACCEPTED_DEFAULT = 3;
+    private static final int PICKED_SUGGESTION = 4;
+    private static final int PUNCTUATION_AFTER_WORD = 5;
+    private static final int PUNCTUATION_AFTER_ACCEPTED = 6;
+    private static final int SPACE_AFTER_ACCEPTED = 7;
+    private static final int SPACE_AFTER_PICKED = 8;
+    private static final int UNDO_COMMIT = 9;
+    private static final int RECORRECTING = 10;
+    private static final int PICKED_RECORRECTION = 11;
+
+    private static int sState = UNKNOWN;
+    private static int sPreviousState = UNKNOWN;
+
+    private static void setState(final int newState) {
+        sPreviousState = sState;
+        sState = newState;
     }
 
-    private static State sState = State.UNKNOWN;
-
-    private static FileOutputStream sKeyLocationFile;
-    private static FileOutputStream sUserActionFile;
-    
-    public static void newSession(Context context) {
-        sSessionCount++;
-        sAutoSuggestCount = 0;
-        sBackspaceCount = 0;
-        sAutoSuggestUndoneCount = 0;
-        sManualSuggestCount = 0;
-        sWordNotInDictionaryCount = 0;
-        sTypedChars = 0;
-        sActualChars = 0;
-        sState = State.START;
-        
-        if (LOGGING) {
-            try {
-                sKeyLocationFile = context.openFileOutput("key.txt", Context.MODE_APPEND);
-                sUserActionFile = context.openFileOutput("action.txt", Context.MODE_APPEND);
-            } catch (IOException ioe) {
-                Log.e("TextEntryState", "Couldn't open file for output: " + ioe);
-            }
-        }
-    }
-    
-    public static void endSession() {
-        if (sKeyLocationFile == null) {
-            return;
-        }
-        try {
-            sKeyLocationFile.close();
-            // Write to log file
-            // Write timestamp, settings,
-            String out = DateFormat.format("MM:dd hh:mm:ss", Calendar.getInstance().getTime())
-                    .toString()
-                    + " BS: " + sBackspaceCount
-                    + " auto: " + sAutoSuggestCount
-                    + " manual: " + sManualSuggestCount
-                    + " typed: " + sWordNotInDictionaryCount
-                    + " undone: " + sAutoSuggestUndoneCount
-                    + " saved: " + ((float) (sActualChars - sTypedChars) / sActualChars)
-                    + "\n";
-            sUserActionFile.write(out.getBytes());
-            sUserActionFile.close();
-            sKeyLocationFile = null;
-            sUserActionFile = null;
-        } catch (IOException ioe) {
-            // ignore
-        }
-    }
-    
     public static void acceptedDefault(CharSequence typedWord, CharSequence actualWord) {
         if (typedWord == null) return;
-        if (!typedWord.equals(actualWord)) {
-            sAutoSuggestCount++;
-        }
-        sTypedChars += typedWord.length();
-        sActualChars += actualWord.length();
-        sState = State.ACCEPTED_DEFAULT;
+        setState(ACCEPTED_DEFAULT);
         LatinImeLogger.logOnAutoSuggestion(typedWord.toString(), actualWord.toString());
-        displayState();
+        if (DEBUG)
+            displayState("acceptedDefault", "typedWord", typedWord, "actualWord", actualWord);
     }
 
     // State.ACCEPTED_DEFAULT will be changed to other sub-states
@@ -138,151 +60,167 @@ public class TextEntryState {
         case SPACE_AFTER_ACCEPTED:
         case PUNCTUATION_AFTER_ACCEPTED:
         case IN_WORD:
-            sState = State.ACCEPTED_DEFAULT;
+            setState(ACCEPTED_DEFAULT);
             break;
         default:
             break;
         }
-        displayState();
+        if (DEBUG) displayState("backToAcceptedDefault", "typedWord", typedWord);
     }
 
-    public static void acceptedTyped(@SuppressWarnings("unused") CharSequence typedWord) {
-        sWordNotInDictionaryCount++;
-        sState = State.PICKED_SUGGESTION;
-        displayState();
+    public static void acceptedTyped(CharSequence typedWord) {
+        setState(PICKED_SUGGESTION);
+        if (DEBUG) displayState("acceptedTyped", "typedWord", typedWord);
     }
 
     public static void acceptedSuggestion(CharSequence typedWord, CharSequence actualWord) {
-        sManualSuggestCount++;
-        State oldState = sState;
-        if (typedWord.equals(actualWord)) {
-            acceptedTyped(typedWord);
-        }
-        if (oldState == State.CORRECTING || oldState == State.PICKED_CORRECTION) {
-            sState = State.PICKED_CORRECTION;
+        if (sState == RECORRECTING || sState == PICKED_RECORRECTION) {
+            setState(PICKED_RECORRECTION);
         } else {
-            sState = State.PICKED_SUGGESTION;
+            setState(PICKED_SUGGESTION);
         }
-        displayState();
+        if (DEBUG)
+            displayState("acceptedSuggestion", "typedWord", typedWord, "actualWord", actualWord);
     }
 
-    public static void selectedForCorrection() {
-        sState = State.CORRECTING;
-        displayState();
+    public static void selectedForRecorrection() {
+        setState(RECORRECTING);
+        if (DEBUG) displayState("selectedForRecorrection");
     }
 
-    public static void onAbortCorrection() {
-        if (isCorrecting()) {
-            sState = State.START;
+    public static void onAbortRecorrection() {
+        if (sState == RECORRECTING || sState == PICKED_RECORRECTION) {
+            setState(START);
         }
-        displayState();
+        if (DEBUG) displayState("onAbortRecorrection");
     }
 
     public static void typedCharacter(char c, boolean isSeparator) {
-        boolean isSpace = c == ' ';
+        final boolean isSpace = (c == ' ');
         switch (sState) {
-            case IN_WORD:
-                if (isSpace || isSeparator) {
-                    sState = State.START;
-                } else {
-                    // State hasn't changed.
-                }
-                break;
-            case ACCEPTED_DEFAULT:
-            case SPACE_AFTER_PICKED:
-                if (isSpace) {
-                    sState = State.SPACE_AFTER_ACCEPTED;
-                } else if (isSeparator) {
-                    sState = State.PUNCTUATION_AFTER_ACCEPTED;
-                } else {
-                    sState = State.IN_WORD;
-                }
-                break;
-            case PICKED_SUGGESTION:
-            case PICKED_CORRECTION:
-                if (isSpace) {
-                    sState = State.SPACE_AFTER_PICKED;
-                } else if (isSeparator) {
-                    // Swap 
-                    sState = State.PUNCTUATION_AFTER_ACCEPTED;
-                } else {
-                    sState = State.IN_WORD;
-                }
-                break;
-            case START:
-            case UNKNOWN:
-            case SPACE_AFTER_ACCEPTED:
-            case PUNCTUATION_AFTER_ACCEPTED:
-            case PUNCTUATION_AFTER_WORD:
-                if (!isSpace && !isSeparator) {
-                    sState = State.IN_WORD;
-                } else {
-                    sState = State.START;
-                }
-                break;
-            case UNDO_COMMIT:
-                if (isSpace || isSeparator) {
-                    sState = State.ACCEPTED_DEFAULT;
-                } else {
-                    sState = State.IN_WORD;
-                }
-                break;
-            case CORRECTING:
-                sState = State.START;
-                break;
+        case IN_WORD:
+            if (isSpace || isSeparator) {
+                setState(START);
+            } else {
+                // State hasn't changed.
+            }
+            break;
+        case ACCEPTED_DEFAULT:
+        case SPACE_AFTER_PICKED:
+        case PUNCTUATION_AFTER_ACCEPTED:
+            if (isSpace) {
+                setState(SPACE_AFTER_ACCEPTED);
+            } else if (isSeparator) {
+                // Swap
+                setState(PUNCTUATION_AFTER_ACCEPTED);
+            } else {
+                setState(IN_WORD);
+            }
+            break;
+        case PICKED_SUGGESTION:
+        case PICKED_RECORRECTION:
+            if (isSpace) {
+                setState(SPACE_AFTER_PICKED);
+            } else if (isSeparator) {
+                // Swap
+                setState(PUNCTUATION_AFTER_ACCEPTED);
+            } else {
+                setState(IN_WORD);
+            }
+            break;
+        case START:
+        case UNKNOWN:
+        case SPACE_AFTER_ACCEPTED:
+        case PUNCTUATION_AFTER_WORD:
+            if (!isSpace && !isSeparator) {
+                setState(IN_WORD);
+            } else {
+                setState(START);
+            }
+            break;
+        case UNDO_COMMIT:
+            if (isSpace || isSeparator) {
+                setState(ACCEPTED_DEFAULT);
+            } else {
+                setState(IN_WORD);
+            }
+            break;
+        case RECORRECTING:
+            setState(START);
+            break;
         }
-        displayState();
+        if (DEBUG) displayState("typedCharacter", "char", c, "isSeparator", isSeparator);
     }
     
     public static void backspace() {
-        if (sState == State.ACCEPTED_DEFAULT) {
-            sState = State.UNDO_COMMIT;
-            sAutoSuggestUndoneCount++;
+        if (sState == ACCEPTED_DEFAULT) {
+            setState(UNDO_COMMIT);
             LatinImeLogger.logOnAutoSuggestionCanceled();
-        } else if (sState == State.UNDO_COMMIT) {
-            sState = State.IN_WORD;
+        } else if (sState == UNDO_COMMIT) {
+            setState(IN_WORD);
         }
-        sBackspaceCount++;
-        displayState();
+        if (DEBUG) displayState("backspace");
     }
 
     public static void reset() {
-        sState = State.START;
-        displayState();
+        setState(START);
+        if (DEBUG) displayState("reset");
     }
 
-    public static State getState() {
-        if (DBG) {
-            Log.d(TAG, "Returning state = " + sState);
-        }
-        return sState;
+    public static boolean isAcceptedDefault() {
+        return sState == ACCEPTED_DEFAULT;
     }
 
-    public static boolean isCorrecting() {
-        return sState == State.CORRECTING || sState == State.PICKED_CORRECTION;
+    public static boolean isSpaceAfterPicked() {
+        return sState == SPACE_AFTER_PICKED;
     }
 
-    public static void keyPressedAt(Key key, int x, int y) {
-        if (LOGGING && sKeyLocationFile != null && key.mCode >= 32) {
-            String out =
-                    "KEY: " + (char) key.mCode
-                    + " X: " + x
-                    + " Y: " + y
-                    + " MX: " + (key.mX + key.mWidth / 2)
-                    + " MY: " + (key.mY + key.mHeight / 2)
-                    + "\n";
-            try {
-                sKeyLocationFile.write(out.getBytes());
-            } catch (IOException ioe) {
-                // TODO: May run out of space
-            }
+    public static boolean isUndoCommit() {
+        return sState == UNDO_COMMIT;
+    }
+
+    public static boolean isPunctuationAfterAccepted() {
+        return sState == PUNCTUATION_AFTER_ACCEPTED;
+    }
+
+    public static boolean isRecorrecting() {
+        return sState == RECORRECTING || sState == PICKED_RECORRECTION;
+    }
+
+    public static String getState() {
+        return stateName(sState);
+    }
+
+    private static String stateName(int state) {
+        switch (state) {
+        case START: return "START";
+        case IN_WORD: return "IN_WORD";
+        case ACCEPTED_DEFAULT: return "ACCEPTED_DEFAULT";
+        case PICKED_SUGGESTION: return "PICKED_SUGGESTION";
+        case PUNCTUATION_AFTER_WORD: return "PUNCTUATION_AFTER_WORD";
+        case PUNCTUATION_AFTER_ACCEPTED: return "PUNCTUATION_AFTER_ACCEPTED";
+        case SPACE_AFTER_ACCEPTED: return "SPACE_AFTER_ACCEPTED";
+        case SPACE_AFTER_PICKED: return "SPACE_AFTER_PICKED";
+        case UNDO_COMMIT: return "UNDO_COMMIT";
+        case RECORRECTING: return "RECORRECTING";
+        case PICKED_RECORRECTION: return "PICKED_RECORRECTION";
+        default: return "UNKNOWN";
         }
     }
 
-    private static void displayState() {
-        if (DBG) {
-            Log.d(TAG, "State = " + sState);
+    private static void displayState(String title, Object ... args) {
+        final StringBuilder sb = new StringBuilder(title);
+        sb.append(':');
+        for (int i = 0; i < args.length; i += 2) {
+            sb.append(' ');
+            sb.append(args[i]);
+            sb.append('=');
+            sb.append(args[i+1].toString());
         }
+        sb.append(" state=");
+        sb.append(stateName(sState));
+        sb.append(" previous=");
+        sb.append(stateName(sPreviousState));
+        Log.d(TAG, sb.toString());
     }
 }
-
diff --git a/java/src/com/android/inputmethod/latin/UserDictionary.java b/java/src/com/android/inputmethod/latin/UserDictionary.java
index 56ee5b9e7..c06bd736e 100644
--- a/java/src/com/android/inputmethod/latin/UserDictionary.java
+++ b/java/src/com/android/inputmethod/latin/UserDictionary.java
@@ -126,9 +126,8 @@ public class UserDictionary extends ExpandableDictionary {
     }
 
     @Override
-    public synchronized void getWords(final WordComposer codes, final WordCallback callback,
-            int[] nextLettersFrequencies) {
-        super.getWords(codes, callback, nextLettersFrequencies);
+    public synchronized void getWords(final WordComposer codes, final WordCallback callback) {
+        super.getWords(codes, callback);
     }
 
     @Override
@@ -138,7 +137,7 @@ public class UserDictionary extends ExpandableDictionary {
 
     private void addWords(Cursor cursor) {
         clearDictionary();
-
+        if (cursor == null) return;
         final int maxWordLength = getMaxWordLength();
         if (cursor.moveToFirst()) {
             final int indexWord = cursor.getColumnIndex(Words.WORD);
diff --git a/java/src/com/android/inputmethod/latin/Utils.java b/java/src/com/android/inputmethod/latin/Utils.java
index d33d962c0..35b2b123c 100644
--- a/java/src/com/android/inputmethod/latin/Utils.java
+++ b/java/src/com/android/inputmethod/latin/Utils.java
@@ -16,15 +16,21 @@
 
 package com.android.inputmethod.latin;
 
+import com.android.inputmethod.compat.InputMethodInfoCompatWrapper;
+import com.android.inputmethod.compat.InputMethodManagerCompatWrapper;
+import com.android.inputmethod.compat.InputTypeCompatUtils;
+import com.android.inputmethod.keyboard.KeyboardId;
+
+import android.content.res.Resources;
 import android.inputmethodservice.InputMethodService;
 import android.os.AsyncTask;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Process;
+import android.text.InputType;
 import android.text.format.DateUtils;
 import android.util.Log;
-import android.view.inputmethod.InputMethodInfo;
-import android.view.inputmethod.InputMethodManager;
+import android.view.inputmethod.EditorInfo;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -41,6 +47,10 @@ public class Utils {
     private static final int MINIMUM_SAFETY_NET_CHAR_LENGTH = 4;
     private static boolean DBG = LatinImeLogger.sDBG;
 
+    private Utils() {
+        // Intentional empty constructor for utility class.
+    }
+
     /**
      * Cancel an {@link AsyncTask}.
      *
@@ -55,7 +65,7 @@ public class Utils {
     }
 
     public static class GCUtils {
-        private static final String TAG = "GCUtils";
+        private static final String GC_TAG = GCUtils.class.getSimpleName();
         public static final int GC_TRY_COUNT = 2;
         // GC_TRY_LOOP_MAX is used for the hard limit of GC wait,
         // GC_TRY_LOOP_MAX should be greater than GC_TRY_COUNT.
@@ -84,7 +94,7 @@ public class Utils {
                     Thread.sleep(GC_INTERVAL);
                     return true;
                 } catch (InterruptedException e) {
-                    Log.e(TAG, "Sleep was interrupted.");
+                    Log.e(GC_TAG, "Sleep was interrupted.");
                     LatinImeLogger.logOnException(metaData, t);
                     return false;
                 }
@@ -92,16 +102,15 @@ public class Utils {
         }
     }
 
-    public static boolean hasMultipleEnabledIMEsOrSubtypes(InputMethodManager imm) {
-        return imm.getEnabledInputMethodList().size() > 1;
-        // @@@ return imm.getEnabledInputMethodList().size() > 1
+    public static boolean hasMultipleEnabledIMEsOrSubtypes(InputMethodManagerCompatWrapper imm) {
+        return imm.getEnabledInputMethodList().size() > 1
         // imm.getEnabledInputMethodSubtypeList(null, false) will return the current IME's enabled
         // input method subtype (The current IME should be LatinIME.)
-        // || imm.getEnabledInputMethodSubtypeList(null, false).size() > 1;
+                || imm.getEnabledInputMethodSubtypeList(null, false).size() > 1;
     }
 
-    public static String getInputMethodId(InputMethodManager imm, String packageName) {
-        for (final InputMethodInfo imi : imm.getEnabledInputMethodList()) {
+    public static String getInputMethodId(InputMethodManagerCompatWrapper imm, String packageName) {
+        for (final InputMethodInfoCompatWrapper imi : imm.getEnabledInputMethodList()) {
             if (imi.getPackageName().equals(packageName))
                 return imi.getId();
         }
@@ -262,20 +271,42 @@ public class Utils {
         return dp[sl][tl];
     }
 
+    // Get the current stack trace
+    public static String getStackTrace() {
+        StringBuilder sb = new StringBuilder();
+        try {
+            throw new RuntimeException();
+        } catch (RuntimeException e) {
+            StackTraceElement[] frames = e.getStackTrace();
+            // Start at 1 because the first frame is here and we don't care about it
+            for (int j = 1; j < frames.length; ++j) sb.append(frames[j].toString() + "\n");
+        }
+        return sb.toString();
+    }
+
     // In dictionary.cpp, getSuggestion() method,
     // suggestion scores are computed using the below formula.
-    // original score (called 'frequency')
+    // original score
     //  := pow(mTypedLetterMultiplier (this is defined 2),
     //         (the number of matched characters between typed word and suggested word))
     //     * (individual word's score which defined in the unigram dictionary,
     //         and this score is defined in range [0, 255].)
-    //     * (when before.length() == after.length(),
-    //         mFullWordMultiplier (this is defined 2))
-    // So, maximum original score is pow(2, before.length()) * 255 * 2
-    // So, we can normalize original score by dividing this value.
+    // Then, the following processing is applied.
+    //     - If the dictionary word is matched up to the point of the user entry
+    //       (full match up to min(before.length(), after.length())
+    //       => Then multiply by FULL_MATCHED_WORDS_PROMOTION_RATE (this is defined 1.2)
+    //     - If the word is a true full match except for differences in accents or
+    //       capitalization, then treat it as if the score was 255.
+    //     - If before.length() == after.length()
+    //       => multiply by mFullWordMultiplier (this is defined 2))
+    // So, maximum original score is pow(2, min(before.length(), after.length())) * 255 * 2 * 1.2
+    // For historical reasons we ignore the 1.2 modifier (because the measure for a good
+    // autocorrection threshold was done at a time when it didn't exist). This doesn't change
+    // the result.
+    // So, we can normalize original score by dividing pow(2, min(b.l(),a.l())) * 255 * 2.
     private static final int MAX_INITIAL_SCORE = 255;
     private static final int TYPED_LETTER_MULTIPLIER = 2;
-    private static final int FULL_WORD_MULTIPLYER = 2;
+    private static final int FULL_WORD_MULTIPLIER = 2;
     public static double calcNormalizedScore(CharSequence before, CharSequence after, int score) {
         final int beforeLength = before.length();
         final int afterLength = after.length();
@@ -285,7 +316,7 @@ public class Utils {
         // correction.
         final double maximumScore = MAX_INITIAL_SCORE
                 * Math.pow(TYPED_LETTER_MULTIPLIER, Math.min(beforeLength, afterLength))
-                * FULL_WORD_MULTIPLYER;
+                * FULL_WORD_MULTIPLIER;
         // add a weight based on edit distance.
         // distance <= max(afterLength, beforeLength) == afterLength,
         // so, 0 <= distance / afterLength <= 1
@@ -294,7 +325,7 @@ public class Utils {
     }
 
     public static class UsabilityStudyLogUtils {
-        private static final String TAG = "UsabilityStudyLogUtils";
+        private static final String USABILITY_TAG = UsabilityStudyLogUtils.class.getSimpleName();
         private static final String FILENAME = "log.txt";
         private static final UsabilityStudyLogUtils sInstance =
                 new UsabilityStudyLogUtils();
@@ -331,7 +362,7 @@ public class Utils {
                 try {
                     mWriter = getPrintWriter(mDirectory, FILENAME, false);
                 } catch (IOException e) {
-                    Log.e(TAG, "Can't create log file.");
+                    Log.e(USABILITY_TAG, "Can't create log file.");
                 }
             }
         }
@@ -368,7 +399,7 @@ public class Utils {
                     final String printString = String.format("%s\t%d\t%s\n",
                             mDateFormat.format(mDate), currentTime, log);
                     if (LatinImeLogger.sDBG) {
-                        Log.d(TAG, "Write: " + log);
+                        Log.d(USABILITY_TAG, "Write: " + log);
                     }
                     mWriter.print(printString);
                 }
@@ -389,10 +420,10 @@ public class Utils {
                             sb.append(line);
                         }
                     } catch (IOException e) {
-                        Log.e(TAG, "Can't read log file.");
+                        Log.e(USABILITY_TAG, "Can't read log file.");
                     } finally {
                         if (LatinImeLogger.sDBG) {
-                            Log.d(TAG, "output all logs\n" + sb.toString());
+                            Log.d(USABILITY_TAG, "output all logs\n" + sb.toString());
                         }
                         mIms.getCurrentInputConnection().commitText(sb.toString(), 0);
                         try {
@@ -411,7 +442,7 @@ public class Utils {
                 public void run() {
                     if (mFile != null && mFile.exists()) {
                         if (LatinImeLogger.sDBG) {
-                            Log.d(TAG, "Delete log file.");
+                            Log.d(USABILITY_TAG, "Delete log file.");
                         }
                         mFile.delete();
                         mWriter.close();
@@ -440,4 +471,134 @@ public class Utils {
             return new PrintWriter(new FileOutputStream(mFile), true /* autoFlush */);
         }
     }
+
+    public static int getKeyboardMode(EditorInfo attribute) {
+        if (attribute == null)
+            return KeyboardId.MODE_TEXT;
+
+        final int inputType = attribute.inputType;
+        final int variation = inputType & InputType.TYPE_MASK_VARIATION;
+
+        switch (inputType & InputType.TYPE_MASK_CLASS) {
+        case InputType.TYPE_CLASS_NUMBER:
+        case InputType.TYPE_CLASS_DATETIME:
+            return KeyboardId.MODE_NUMBER;
+        case InputType.TYPE_CLASS_PHONE:
+            return KeyboardId.MODE_PHONE;
+        case InputType.TYPE_CLASS_TEXT:
+            if (InputTypeCompatUtils.isEmailVariation(variation)) {
+                return KeyboardId.MODE_EMAIL;
+            } else if (variation == InputType.TYPE_TEXT_VARIATION_URI) {
+                return KeyboardId.MODE_URL;
+            } else if (variation == InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE) {
+                return KeyboardId.MODE_IM;
+            } else if (variation == InputType.TYPE_TEXT_VARIATION_FILTER) {
+                return KeyboardId.MODE_TEXT;
+            } else if (variation == InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT) {
+                return KeyboardId.MODE_WEB;
+            } else {
+                return KeyboardId.MODE_TEXT;
+            }
+        default:
+            return KeyboardId.MODE_TEXT;
+        }
+    }
+
+    public static boolean containsInCsv(String key, String csv) {
+        if (csv == null)
+            return false;
+        for (String option : csv.split(",")) {
+            if (option.equals(key))
+                return true;
+        }
+        return false;
+    }
+
+    public static boolean inPrivateImeOptions(String packageName, String key,
+            EditorInfo attribute) {
+        if (attribute == null)
+            return false;
+        return containsInCsv(packageName != null ? packageName + "." + key : key,
+                attribute.privateImeOptions);
+    }
+
+    /**
+     * Returns a main dictionary resource id
+     * @return main dictionary resource id
+     */
+    public static int getMainDictionaryResourceId(Resources res) {
+        final String MAIN_DIC_NAME = "main";
+        String packageName = LatinIME.class.getPackage().getName();
+        return res.getIdentifier(MAIN_DIC_NAME, "raw", packageName);
+    }
+
+    public static void loadNativeLibrary() {
+        try {
+            System.loadLibrary("jni_latinime");
+        } catch (UnsatisfiedLinkError ule) {
+            Log.e(TAG, "Could not load native library jni_latinime");
+        }
+    }
+
+    /**
+     * Returns true if a and b are equal ignoring the case of the character.
+     * @param a first character to check
+     * @param b second character to check
+     * @return {@code true} if a and b are equal, {@code false} otherwise.
+     */
+    public static boolean equalsIgnoreCase(char a, char b) {
+        // Some language, such as Turkish, need testing both cases.
+        return a == b
+                || Character.toLowerCase(a) == Character.toLowerCase(b)
+                || Character.toUpperCase(a) == Character.toUpperCase(b);
+    }
+
+    /**
+     * Returns true if a and b are equal ignoring the case of the characters, including if they are
+     * both null.
+     * @param a first CharSequence to check
+     * @param b second CharSequence to check
+     * @return {@code true} if a and b are equal, {@code false} otherwise.
+     */
+    public static boolean equalsIgnoreCase(CharSequence a, CharSequence b) {
+        if (a == b)
+            return true;  // including both a and b are null.
+        if (a == null || b == null)
+            return false;
+        final int length = a.length();
+        if (length != b.length())
+            return false;
+        for (int i = 0; i < length; i++) {
+            if (!equalsIgnoreCase(a.charAt(i), b.charAt(i)))
+                return false;
+        }
+        return true;
+    }
+
+    /**
+     * Returns true if a and b are equal ignoring the case of the characters, including if a is null
+     * and b is zero length.
+     * @param a CharSequence to check
+     * @param b character array to check
+     * @param offset start offset of array b
+     * @param length length of characters in array b
+     * @return {@code true} if a and b are equal, {@code false} otherwise.
+     * @throws IndexOutOfBoundsException
+     *   if {@code offset < 0 || length < 0 || offset + length > data.length}.
+     * @throws NullPointerException if {@code b == null}.
+     */
+    public static boolean equalsIgnoreCase(CharSequence a, char[] b, int offset, int length) {
+        if (offset < 0 || length < 0 || length > b.length - offset)
+            throw new IndexOutOfBoundsException("array.length=" + b.length + " offset=" + offset
+                    + " length=" + length);
+        if (a == null)
+            return length == 0;  // including a is null and b is zero length.
+        if (a.length() != length)
+            return false;
+        for (int i = 0; i < length; i++) {
+            if (!equalsIgnoreCase(a.charAt(i), b[offset + i]))
+                return false;
+        }
+        return true;
+    }
 }
diff --git a/java/src/com/android/inputmethod/latin/WhitelistDictionary.java b/java/src/com/android/inputmethod/latin/WhitelistDictionary.java
new file mode 100644
index 000000000..2389d4e3c
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/WhitelistDictionary.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import android.content.Context;
+import android.text.TextUtils;
+import android.util.Log;
+import android.util.Pair;
+
+import java.util.HashMap;
+
+public class WhitelistDictionary extends Dictionary {
+
+    private static final boolean DBG = LatinImeLogger.sDBG;
+    private static final String TAG = WhitelistDictionary.class.getSimpleName();
+
+    private final HashMap<String, Pair<Integer, String>> mWhitelistWords =
+            new HashMap<String, Pair<Integer, String>>();
+
+    private static final WhitelistDictionary sInstance = new WhitelistDictionary();
+
+    private WhitelistDictionary() {
+    }
+
+    public static WhitelistDictionary init(Context context) {
+        synchronized (sInstance) {
+            if (context != null) {
+                sInstance.initWordlist(
+                        context.getResources().getStringArray(R.array.wordlist_whitelist));
+            } else {
+                sInstance.mWhitelistWords.clear();
+            }
+        }
+        return sInstance;
+    }
+
+    private void initWordlist(String[] wordlist) {
+        mWhitelistWords.clear();
+        final int N = wordlist.length;
+        if (N % 3 != 0) {
+            if (DBG) {
+                Log.d(TAG, "The number of the whitelist is invalid.");
+            }
+            return;
+        }
+        try {
+            for (int i = 0; i < N; i += 3) {
+                final int score = Integer.valueOf(wordlist[i]);
+                final String before = wordlist[i + 1];
+                final String after = wordlist[i + 2];
+                if (before != null && after != null) {
+                    mWhitelistWords.put(
+                            before.toLowerCase(), new Pair<Integer, String>(score, after));
+                }
+            }
+        } catch (NumberFormatException e) {
+            if (DBG) {
+                Log.d(TAG, "The score of the word is invalid.");
+            }
+        }
+    }
+
+    public String getWhiteListedWord(String before) {
+        if (before == null) return null;
+        final String lowerCaseBefore = before.toLowerCase();
+        if(mWhitelistWords.containsKey(lowerCaseBefore)) {
+            if (DBG) {
+                Log.d(TAG, "--- found whiteListedWord: " + lowerCaseBefore);
+            }
+            return mWhitelistWords.get(lowerCaseBefore).second;
+        }
+        return null;
+    }
+
+    // Not used for WhitelistDictionary.  We use getWhitelistedWord() in Suggest.java instead
+    @Override
+    public void getWords(WordComposer composer, WordCallback callback) {
+    }
+
+    @Override
+    public boolean isValidWord(CharSequence word) {
+        if (TextUtils.isEmpty(word)) return false;
+        return !TextUtils.isEmpty(getWhiteListedWord(word.toString()));
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/WordComposer.java b/java/src/com/android/inputmethod/latin/WordComposer.java
index 2e415b771..02583895b 100644
--- a/java/src/com/android/inputmethod/latin/WordComposer.java
+++ b/java/src/com/android/inputmethod/latin/WordComposer.java
@@ -16,22 +16,32 @@
 
 package com.android.inputmethod.latin;
 
+import com.android.inputmethod.keyboard.KeyDetector;
+
 import java.util.ArrayList;
 
 /**
  * A place to store the currently composing word with information such as adjacent key codes as well
  */
 public class WordComposer {
+
+    public static final int NOT_A_CODE = KeyDetector.NOT_A_CODE;
+    public static final int NOT_A_COORDINATE = -1;
+
     /**
      * The list of unicode values for each keystroke (including surrounding keys)
      */
     private final ArrayList<int[]> mCodes;
-    
+
+    private int mTypedLength;
+    private final int[] mXCoordinates;
+    private final int[] mYCoordinates;
+
     /**
      * The word chosen from the candidate list, until it is committed.
      */
     private String mPreferredWord;
-    
+
     private final StringBuilder mTypedWord;
 
     private int mCapsCount;
@@ -44,17 +54,24 @@ public class WordComposer {
     private boolean mIsFirstCharCapitalized;
 
     public WordComposer() {
-        mCodes = new ArrayList<int[]>(12);
-        mTypedWord = new StringBuilder(20);
+        final int N = BinaryDictionary.MAX_WORD_LENGTH;
+        mCodes = new ArrayList<int[]>(N);
+        mTypedWord = new StringBuilder(N);
+        mTypedLength = 0;
+        mXCoordinates = new int[N];
+        mYCoordinates = new int[N];
     }
 
-    WordComposer(WordComposer copy) {
-        mCodes = new ArrayList<int[]>(copy.mCodes);
-        mPreferredWord = copy.mPreferredWord;
-        mTypedWord = new StringBuilder(copy.mTypedWord);
-        mCapsCount = copy.mCapsCount;
-        mAutoCapitalized = copy.mAutoCapitalized;
-        mIsFirstCharCapitalized = copy.mIsFirstCharCapitalized;
+    WordComposer(WordComposer source) {
+        mCodes = new ArrayList<int[]>(source.mCodes);
+        mPreferredWord = source.mPreferredWord;
+        mTypedWord = new StringBuilder(source.mTypedWord);
+        mCapsCount = source.mCapsCount;
+        mAutoCapitalized = source.mAutoCapitalized;
+        mIsFirstCharCapitalized = source.mIsFirstCharCapitalized;
+        mTypedLength = source.mTypedLength;
+        mXCoordinates = source.mXCoordinates;
+        mYCoordinates = source.mYCoordinates;
     }
 
     /**
@@ -62,6 +79,7 @@ public class WordComposer {
      */
     public void reset() {
         mCodes.clear();
+        mTypedLength = 0;
         mIsFirstCharCapitalized = false;
         mPreferredWord = null;
         mTypedWord.setLength(0);
@@ -85,15 +103,28 @@ public class WordComposer {
         return mCodes.get(index);
     }
 
+    public int[] getXCoordinates() {
+        return mXCoordinates;
+    }
+
+    public int[] getYCoordinates() {
+        return mYCoordinates;
+    }
+
     /**
      * Add a new keystroke, with codes[0] containing the pressed key's unicode and the rest of
      * the array containing unicode for adjacent keys, sorted by reducing probability/proximity.
      * @param codes the array of unicode values
      */
-    public void add(int primaryCode, int[] codes) {
+    public void add(int primaryCode, int[] codes, int x, int y) {
         mTypedWord.append((char) primaryCode);
         correctPrimaryJuxtapos(primaryCode, codes);
         mCodes.add(codes);
+        if (mTypedLength < BinaryDictionary.MAX_WORD_LENGTH) {
+            mXCoordinates[mTypedLength] = x;
+            mYCoordinates[mTypedLength] = y;
+        }
+        ++mTypedLength;
         if (Character.isUpperCase((char) primaryCode)) mCapsCount++;
     }
 
@@ -124,6 +155,9 @@ public class WordComposer {
             mTypedWord.deleteCharAt(lastPos);
             if (Character.isUpperCase(last)) mCapsCount--;
         }
+        if (mTypedLength > 0) {
+            --mTypedLength;
+        }
     }
 
     /**