1 /* 2 * Copyright (C) 2022 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.app.Activity; 20 import android.app.settings.SettingsEnums; 21 import android.content.Context; 22 import android.util.FeatureFlagUtils; 23 24 import androidx.annotation.NonNull; 25 import androidx.annotation.Nullable; 26 27 import com.android.settings.R; 28 import com.android.settings.dashboard.DashboardFragment; 29 import com.android.settings.search.BaseSearchIndexProvider; 30 import com.android.settings.widget.PreferenceCategoryController; 31 import com.android.settingslib.core.AbstractPreferenceController; 32 import com.android.settingslib.core.lifecycle.Lifecycle; 33 import com.android.settingslib.search.SearchIndexable; 34 35 import java.util.ArrayList; 36 import java.util.List; 37 38 @SearchIndexable 39 public class LanguageSettings extends DashboardFragment { 40 41 private static final String KEY_SPEECH_CATEGORY = "speech_category"; 42 private static final String KEY_ON_DEVICE_RECOGNITION = "on_device_recognition_settings"; 43 private static final String KEY_TEXT_TO_SPEECH = "tts_settings_summary"; 44 45 private static final String TAG = "LanguageSettings"; 46 47 @Override getMetricsCategory()48 public int getMetricsCategory() { 49 return SettingsEnums.SETTINGS_LANGUAGES_CATEGORY; 50 } 51 52 @Override getLogTag()53 protected String getLogTag() { 54 return TAG; 55 } 56 57 @Override onResume()58 public void onResume() { 59 super.onResume(); 60 // Hack to update action bar title. It's necessary to refresh title because this page user 61 // can change locale from here and fragment won't relaunch. Once language changes, title 62 // must display in the new language. 63 final Activity activity = getActivity(); 64 if (activity == null) { 65 return; 66 } 67 activity.setTitle(R.string.languages_settings); 68 } 69 70 @Override getPreferenceScreenResId()71 protected int getPreferenceScreenResId() { 72 return R.xml.language_settings; 73 } 74 createPreferenceControllers(Context context)75 protected List<AbstractPreferenceController> createPreferenceControllers(Context context) { 76 return buildPreferenceControllers(context, getSettingsLifecycle()); 77 } 78 buildPreferenceControllers( @onNull Context context, @Nullable Lifecycle lifecycle)79 private static List<AbstractPreferenceController> buildPreferenceControllers( 80 @NonNull Context context, @Nullable Lifecycle lifecycle) { 81 final List<AbstractPreferenceController> controllers = new ArrayList<>(); 82 83 final DefaultVoiceInputPreferenceController defaultVoiceInputPreferenceController = 84 new DefaultVoiceInputPreferenceController(context, lifecycle); 85 final TtsPreferenceController ttsPreferenceController = 86 new TtsPreferenceController(context, KEY_TEXT_TO_SPEECH); 87 final OnDeviceRecognitionPreferenceController onDeviceRecognitionPreferenceController = 88 new OnDeviceRecognitionPreferenceController(context, KEY_ON_DEVICE_RECOGNITION); 89 90 controllers.add(defaultVoiceInputPreferenceController); 91 controllers.add(ttsPreferenceController); 92 List<AbstractPreferenceController> speechCategoryChildren = new ArrayList<>( 93 List.of(defaultVoiceInputPreferenceController, ttsPreferenceController)); 94 95 if (onDeviceRecognitionPreferenceController.isAvailable()) { 96 controllers.add(onDeviceRecognitionPreferenceController); 97 speechCategoryChildren.add(onDeviceRecognitionPreferenceController); 98 } 99 100 controllers.add(new PreferenceCategoryController(context, KEY_SPEECH_CATEGORY) 101 .setChildren(speechCategoryChildren)); 102 103 return controllers; 104 } 105 106 public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 107 new BaseSearchIndexProvider(R.xml.language_settings) { 108 @Override 109 public List<AbstractPreferenceController> createPreferenceControllers( 110 Context context) { 111 return buildPreferenceControllers(context, null); 112 } 113 @Override 114 protected boolean isPageSearchEnabled(Context context) { 115 return FeatureFlagUtils 116 .isEnabled(context, FeatureFlagUtils.SETTINGS_NEW_KEYBOARD_UI); 117 } 118 }; 119 }