1 files changed, 51 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/compat/UserDictionaryCompatUtils.java b/java/src/com/android/inputmethod/compat/UserDictionaryCompatUtils.java
new file mode 100644
index 000000000..ff6561c58
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/UserDictionaryCompatUtils.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2013 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.provider.UserDictionary.Words;
+
+import java.lang.reflect.Method;
+import java.util.Locale;
+
+public final class UserDictionaryCompatUtils {
+    // UserDictionary.Words#addWord(Context, String, int, String, Locale) was introduced
+    // in API level 16 (Build.VERSION_CODES.JELLY_BEAN).
+    private static final Method METHOD_addWord = CompatUtils.getMethod(Words.class, "addWord",
+            Context.class, String.class, Integer.TYPE, String.class, Locale.class);
+
+    public static void addWord(final Context context, final String word, final int freq,
+            final String shortcut, final Locale locale) {
+        if (hasNewerAddWord()) {
+            CompatUtils.invoke(Words.class, null, METHOD_addWord, context, word, freq, shortcut,
+                    locale);
+        } else {
+            // Fall back to the pre-JellyBean method.
+            final int localeType;
+            if (null == locale) {
+                localeType = Words.LOCALE_TYPE_ALL;
+            } else {
+                localeType = Words.LOCALE_TYPE_CURRENT;
+            }
+            Words.addWord(context, word, freq, localeType);
+        }
+    }
+
+    private static final boolean hasNewerAddWord() {
+        return null != METHOD_addWord;
+    }
+}