1 /* 2 * Copyright (C) 2014 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.voice; 18 19 import android.content.ComponentName; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.pm.PackageManager; 23 import android.content.pm.ResolveInfo; 24 import android.content.pm.ServiceInfo; 25 import android.preference.Preference; 26 import android.provider.Settings; 27 import android.service.voice.VoiceInteractionService; 28 import android.service.voice.VoiceInteractionServiceInfo; 29 import android.speech.RecognitionService; 30 import com.android.settings.R; 31 import com.android.settings.SettingsPreferenceFragment; 32 import com.android.settings.search.BaseSearchIndexProvider; 33 import com.android.settings.search.Indexable; 34 import com.android.settings.search.SearchIndexableRaw; 35 import com.android.settings.voice.VoiceInputPreference.RadioButtonGroupState; 36 37 import android.os.Bundle; 38 import android.preference.PreferenceCategory; 39 import android.widget.Checkable; 40 41 import java.util.ArrayList; 42 import java.util.List; 43 44 public class VoiceInputSettings extends SettingsPreferenceFragment implements 45 Preference.OnPreferenceClickListener, RadioButtonGroupState, Indexable { 46 47 private static final String TAG = "VoiceInputSettings"; 48 private static final boolean DBG = false; 49 50 /** 51 * Preference key for the engine selection preference. 52 */ 53 private static final String KEY_SERVICE_PREFERENCE_SECTION = 54 "voice_service_preference_section"; 55 56 private PreferenceCategory mServicePreferenceCategory; 57 58 private CharSequence mInteractorSummary; 59 private CharSequence mRecognizerSummary; 60 private CharSequence mInteractorWarning; 61 62 /** 63 * The currently selected engine. 64 */ 65 private String mCurrentKey; 66 67 /** 68 * The engine checkbox that is currently checked. Saves us a bit of effort 69 * in deducing the right one from the currently selected engine. 70 */ 71 private Checkable mCurrentChecked; 72 73 private VoiceInputHelper mHelper; 74 75 @Override 76 public void onCreate(Bundle savedInstanceState) { 77 super.onCreate(savedInstanceState); 78 addPreferencesFromResource(R.xml.voice_input_settings); 79 80 mServicePreferenceCategory = (PreferenceCategory) findPreference( 81 KEY_SERVICE_PREFERENCE_SECTION); 82 83 mInteractorSummary = getActivity().getText( 84 R.string.voice_interactor_preference_summary); 85 mRecognizerSummary = getActivity().getText( 86 R.string.voice_recognizer_preference_summary); 87 mInteractorWarning = getActivity().getText(R.string.voice_interaction_security_warning); 88 } 89 90 @Override 91 public void onStart() { 92 super.onStart(); 93 initSettings(); 94 } 95 96 private void initSettings() { 97 mHelper = new VoiceInputHelper(getActivity()); 98 mHelper.buildUi(); 99 100 mServicePreferenceCategory.removeAll(); 101 102 if (mHelper.mCurrentVoiceInteraction != null) { 103 mCurrentKey = mHelper.mCurrentVoiceInteraction.flattenToShortString(); 104 } else if (mHelper.mCurrentRecognizer != null) { 105 mCurrentKey = mHelper.mCurrentRecognizer.flattenToShortString(); 106 } else { 107 mCurrentKey = null; 108 } 109 110 for (int i=0; i<mHelper.mAvailableInteractionInfos.size(); i++) { 111 VoiceInputHelper.InteractionInfo info = mHelper.mAvailableInteractionInfos.get(i); 112 VoiceInputPreference pref = new VoiceInputPreference(getActivity(), info, 113 mInteractorSummary, mInteractorWarning, this); 114 mServicePreferenceCategory.addPreference(pref); 115 } 116 117 for (int i=0; i<mHelper.mAvailableRecognizerInfos.size(); i++) { 118 VoiceInputHelper.RecognizerInfo info = mHelper.mAvailableRecognizerInfos.get(i); 119 VoiceInputPreference pref = new VoiceInputPreference(getActivity(), info, 120 mRecognizerSummary, null, this); 121 mServicePreferenceCategory.addPreference(pref); 122 } 123 } 124 125 @Override 126 public Checkable getCurrentChecked() { 127 return mCurrentChecked; 128 } 129 130 @Override 131 public String getCurrentKey() { 132 return mCurrentKey; 133 } 134 135 @Override 136 public void setCurrentChecked(Checkable current) { 137 mCurrentChecked = current; 138 } 139 140 @Override 141 public void setCurrentKey(String key) { 142 mCurrentKey = key; 143 for (int i=0; i<mHelper.mAvailableInteractionInfos.size(); i++) { 144 VoiceInputHelper.InteractionInfo info = mHelper.mAvailableInteractionInfos.get(i); 145 if (info.key.equals(key)) { 146 // Put the new value back into secure settings. 147 Settings.Secure.putString(getActivity().getContentResolver(), 148 Settings.Secure.VOICE_INTERACTION_SERVICE, key); 149 // Eventually we will require that an interactor always specify a recognizer 150 if (info.settings != null) { 151 Settings.Secure.putString(getActivity().getContentResolver(), 152 Settings.Secure.VOICE_RECOGNITION_SERVICE, 153 info.settings.flattenToShortString()); 154 } 155 return; 156 } 157 } 158 159 for (int i=0; i<mHelper.mAvailableRecognizerInfos.size(); i++) { 160 VoiceInputHelper.RecognizerInfo info = mHelper.mAvailableRecognizerInfos.get(i); 161 if (info.key.equals(key)) { 162 Settings.Secure.putString(getActivity().getContentResolver(), 163 Settings.Secure.VOICE_INTERACTION_SERVICE, ""); 164 Settings.Secure.putString(getActivity().getContentResolver(), 165 Settings.Secure.VOICE_RECOGNITION_SERVICE, key); 166 return; 167 } 168 } 169 } 170 171 @Override 172 public boolean onPreferenceClick(Preference preference) { 173 if (preference instanceof VoiceInputPreference) { 174 ((VoiceInputPreference)preference).doClick(); 175 } 176 return true; 177 } 178 179 // For Search 180 public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 181 new BaseSearchIndexProvider() { 182 183 @Override 184 public List<SearchIndexableRaw> getRawDataToIndex(Context context, 185 boolean enabled) { 186 187 List<SearchIndexableRaw> indexables = new ArrayList<>(); 188 189 final String screenTitle = context.getString(R.string.voice_input_settings_title); 190 191 SearchIndexableRaw indexable = new SearchIndexableRaw(context); 192 indexable.key = "voice_service_preference_section_title"; 193 indexable.title = context.getString(R.string.voice_service_preference_section_title); 194 indexable.screenTitle = screenTitle; 195 indexables.add(indexable); 196 197 final List<ResolveInfo> voiceInteractions = 198 context.getPackageManager().queryIntentServices( 199 new Intent(VoiceInteractionService.SERVICE_INTERFACE), 200 PackageManager.GET_META_DATA); 201 202 final int countInteractions = voiceInteractions.size(); 203 for (int i = 0; i < countInteractions; i++) { 204 ResolveInfo info = voiceInteractions.get(i); 205 VoiceInteractionServiceInfo visInfo = new VoiceInteractionServiceInfo( 206 context.getPackageManager(), info.serviceInfo); 207 if (visInfo.getParseError() != null) { 208 continue; 209 } 210 indexables.add(getSearchIndexableRaw(context, info, screenTitle)); 211 } 212 213 final List<ResolveInfo> recognitions = 214 context.getPackageManager().queryIntentServices( 215 new Intent(RecognitionService.SERVICE_INTERFACE), 216 PackageManager.GET_META_DATA); 217 218 final int countRecognitions = recognitions.size(); 219 for (int i = 0; i < countRecognitions; i++) { 220 ResolveInfo info = recognitions.get(i); 221 indexables.add(getSearchIndexableRaw(context, info, screenTitle)); 222 } 223 224 return indexables; 225 } 226 227 private SearchIndexableRaw getSearchIndexableRaw(Context context, 228 ResolveInfo info, String screenTitle) { 229 230 ServiceInfo serviceInfo = info.serviceInfo; 231 ComponentName componentName = new ComponentName(serviceInfo.packageName, 232 serviceInfo.name); 233 234 SearchIndexableRaw indexable = new SearchIndexableRaw(context); 235 indexable.key = componentName.flattenToString(); 236 indexable.title = info.loadLabel(context.getPackageManager()).toString(); 237 indexable.screenTitle = screenTitle; 238 239 return indexable; 240 } 241 }; 242 } 243
