Home | History | Annotate | Download | only in compat
      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.inputmethod.compat;
     18 
     19 import android.content.Context;
     20 import android.provider.UserDictionary.Words;
     21 
     22 import java.lang.reflect.Method;
     23 import java.util.Locale;
     24 
     25 public final class UserDictionaryCompatUtils {
     26     // UserDictionary.Words#addWord(Context, String, int, String, Locale) was introduced
     27     // in API level 16 (Build.VERSION_CODES.JELLY_BEAN).
     28     private static final Method METHOD_addWord = CompatUtils.getMethod(Words.class, "addWord",
     29             Context.class, String.class, Integer.TYPE, String.class, Locale.class);
     30 
     31     @SuppressWarnings("deprecation")
     32     public static void addWord(final Context context, final String word, final int freq,
     33             final String shortcut, final Locale locale) {
     34         if (hasNewerAddWord()) {
     35             CompatUtils.invoke(Words.class, null, METHOD_addWord, context, word, freq, shortcut,
     36                     locale);
     37         } else {
     38             // Fall back to the pre-JellyBean method.
     39             final int localeType;
     40             if (null == locale) {
     41                 localeType = Words.LOCALE_TYPE_ALL;
     42             } else {
     43                 final Locale currentLocale = context.getResources().getConfiguration().locale;
     44                 if (locale.equals(currentLocale)) {
     45                     localeType = Words.LOCALE_TYPE_CURRENT;
     46                 } else {
     47                     localeType = Words.LOCALE_TYPE_ALL;
     48                 }
     49             }
     50             Words.addWord(context, word, freq, localeType);
     51         }
     52     }
     53 
     54     public static final boolean hasNewerAddWord() {
     55         return null != METHOD_addWord;
     56     }
     57 }
     58