diff options
Diffstat (limited to 'java/src/com/android/inputmethod/compat')
3 files changed, 109 insertions, 2 deletions
diff --git a/java/src/com/android/inputmethod/compat/CompatUtils.java b/java/src/com/android/inputmethod/compat/CompatUtils.java index 6e14bfa8b..b42633cd9 100644 --- a/java/src/com/android/inputmethod/compat/CompatUtils.java +++ b/java/src/com/android/inputmethod/compat/CompatUtils.java @@ -91,7 +91,7 @@ public class CompatUtils { return null; } - public static Constructor<?> getConstructor(Class<?> targetClass, Class<?>[] types) { + public static Constructor<?> getConstructor(Class<?> targetClass, Class<?> ... types) { if (targetClass == null || types == null) return null; try { return targetClass.getConstructor(types); @@ -103,7 +103,7 @@ public class CompatUtils { return null; } - public static Object newInstance(Constructor<?> constructor, Object[] args) { + public static Object newInstance(Constructor<?> constructor, Object ... args) { if (constructor == null) return null; try { return constructor.newInstance(args); diff --git a/java/src/com/android/inputmethod/compat/FrameLayoutCompatUtils.java b/java/src/com/android/inputmethod/compat/FrameLayoutCompatUtils.java new file mode 100644 index 000000000..46499f19a --- /dev/null +++ b/java/src/com/android/inputmethod/compat/FrameLayoutCompatUtils.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.compat; + +import android.view.ViewGroup; +import android.view.ViewGroup.MarginLayoutParams; +import android.widget.FrameLayout; +import android.widget.RelativeLayout; + +public class FrameLayoutCompatUtils { + private static final boolean NEEDS_FRAME_LAYOUT_HACK = ( + android.os.Build.VERSION.SDK_INT < 11 /* Honeycomb */); + + public static ViewGroup getPlacer(ViewGroup container) { + if (NEEDS_FRAME_LAYOUT_HACK) { + // Insert RelativeLayout to be able to setMargin because pre-Honeycomb FrameLayout + // could not handle setMargin properly. + final ViewGroup placer = new RelativeLayout(container.getContext()); + container.addView(placer); + return placer; + } else { + return container; + } + } + + public static MarginLayoutParams newLayoutParam(ViewGroup placer, int width, int height) { + if (placer instanceof FrameLayout) { + return new FrameLayout.LayoutParams(width, height); + } else if (placer instanceof RelativeLayout) { + return new RelativeLayout.LayoutParams(width, height); + } else if (placer == null) { + throw new NullPointerException("placer is null"); + } else { + throw new IllegalArgumentException("placer is neither FrameLayout nor RelativeLayout: " + + placer.getClass().getName()); + } + } +} diff --git a/java/src/com/android/inputmethod/compat/LinearLayoutCompatUtils.java b/java/src/com/android/inputmethod/compat/LinearLayoutCompatUtils.java new file mode 100644 index 000000000..674cbe74b --- /dev/null +++ b/java/src/com/android/inputmethod/compat/LinearLayoutCompatUtils.java @@ -0,0 +1,55 @@ +/* + * 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.content.res.TypedArray; +import android.graphics.drawable.Drawable; +import android.util.AttributeSet; +import android.util.Log; + +import java.lang.reflect.Field; + +public class LinearLayoutCompatUtils { + private static final String TAG = LinearLayoutCompatUtils.class.getSimpleName(); + + private static final Class<?> CLASS_R_STYLEABLE = CompatUtils.getClass( + "com.android.internal.R$styleable"); + private static final Field STYLEABLE_VIEW = CompatUtils.getField( + CLASS_R_STYLEABLE, "View"); + private static final Field STYLEABLE_VIEW_BACKGROUND = CompatUtils.getField( + CLASS_R_STYLEABLE, "View_background"); + private static final Object VALUE_STYLEABLE_VIEW = CompatUtils.getFieldValue( + null, null, STYLEABLE_VIEW); + private static final Integer VALUE_STYLEABLE_VIEW_BACKGROUND = + (Integer)CompatUtils.getFieldValue(null, null, STYLEABLE_VIEW_BACKGROUND); + + public static Drawable getBackgroundDrawable(Context context, AttributeSet attrs, + int defStyleAttr, int defStyleRes) { + if (!(VALUE_STYLEABLE_VIEW instanceof int[]) || VALUE_STYLEABLE_VIEW_BACKGROUND == null) { + Log.w(TAG, "Can't get View background attribute using reflection"); + return null; + } + + final int[] styleableView = (int[])VALUE_STYLEABLE_VIEW; + final TypedArray a = context.obtainStyledAttributes( + attrs, styleableView, defStyleAttr, defStyleRes); + final Drawable background = a.getDrawable(VALUE_STYLEABLE_VIEW_BACKGROUND); + a.recycle(); + return background; + } +} |