1 /* 2 * Copyright (C) 2016 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.settings.language; 18 19 import android.content.Context; 20 import android.support.v7.preference.Preference; 21 22 import com.android.settings.core.PreferenceControllerMixin; 23 import com.android.settings.overlay.FeatureFactory; 24 import com.android.settingslib.core.AbstractPreferenceController; 25 26 public class PhoneLanguagePreferenceController extends AbstractPreferenceController 27 implements PreferenceControllerMixin { 28 29 private static final String KEY_PHONE_LANGUAGE = "phone_language"; 30 31 public PhoneLanguagePreferenceController(Context context) { 32 super(context); 33 } 34 35 @Override 36 public boolean isAvailable() { 37 return mContext.getAssets().getLocales().length > 1; 38 } 39 40 @Override 41 public void updateState(Preference preference) { 42 if (preference == null) { 43 return; 44 } 45 final String localeNames = FeatureFactory.getFactory(mContext) 46 .getLocaleFeatureProvider().getLocaleNames(); 47 preference.setSummary(localeNames); 48 } 49 50 @Override 51 public String getPreferenceKey() { 52 return KEY_PHONE_LANGUAGE; 53 } 54 } 55