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/*
* Copyright (C) 2014 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.settings.voice;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.preference.Preference;
import android.provider.Settings;
import android.service.voice.VoiceInteractionService;
import android.service.voice.VoiceInteractionServiceInfo;
import android.speech.RecognitionService;
import com.android.internal.logging.MetricsLogger;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.search.Indexable;
import com.android.settings.search.SearchIndexableRaw;
import com.android.settings.voice.VoiceInputPreference.RadioButtonGroupState;
import android.os.Bundle;
import android.preference.PreferenceCategory;
import android.widget.Checkable;
import java.util.ArrayList;
import java.util.List;
public class VoiceInputSettings extends SettingsPreferenceFragment implements
Preference.OnPreferenceClickListener, RadioButtonGroupState, Indexable {
private static final String TAG = "VoiceInputSettings";
private static final boolean DBG = false;
/**
* Preference key for the engine selection preference.
*/
private static final String KEY_SERVICE_PREFERENCE_SECTION =
"voice_service_preference_section";
private PreferenceCategory mServicePreferenceCategory;
private CharSequence mInteractorSummary;
private CharSequence mRecognizerSummary;
private CharSequence mInteractorWarning;
/**
* The currently selected engine.
*/
private String mCurrentKey;
/**
* The engine checkbox that is currently checked. Saves us a bit of effort
* in deducing the right one from the currently selected engine.
*/
private Checkable mCurrentChecked;
private VoiceInputHelper mHelper;
@Override
protected int getMetricsCategory() {
return MetricsLogger.VOICE_INPUT;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.voice_input_settings);
mServicePreferenceCategory = (PreferenceCategory) findPreference(
KEY_SERVICE_PREFERENCE_SECTION);
mInteractorSummary = getActivity().getText(
R.string.voice_interactor_preference_summary);
mRecognizerSummary = getActivity().getText(
R.string.voice_recognizer_preference_summary);
mInteractorWarning = getActivity().getText(R.string.voice_interaction_security_warning);
}
@Override
public void onStart() {
super.onStart();
initSettings();
}
private void initSettings() {
mHelper = new VoiceInputHelper(getActivity());
mHelper.buildUi();
mServicePreferenceCategory.removeAll();
if (mHelper.mCurrentVoiceInteraction != null) {
mCurrentKey = mHelper.mCurrentVoiceInteraction.flattenToShortString();
} else if (mHelper.mCurrentRecognizer != null) {
mCurrentKey = mHelper.mCurrentRecognizer.flattenToShortString();
} else {
mCurrentKey = null;
}
for (int i=0; i<mHelper.mAvailableInteractionInfos.size(); i++) {
VoiceInputHelper.InteractionInfo info = mHelper.mAvailableInteractionInfos.get(i);
VoiceInputPreference pref = new VoiceInputPreference(getActivity(), info,
mInteractorSummary, mInteractorWarning, this);
mServicePreferenceCategory.addPreference(pref);
}
for (int i=0; i<mHelper.mAvailableRecognizerInfos.size(); i++) {
VoiceInputHelper.RecognizerInfo info = mHelper.mAvailableRecognizerInfos.get(i);
VoiceInputPreference pref = new VoiceInputPreference(getActivity(), info,
mRecognizerSummary, null, this);
mServicePreferenceCategory.addPreference(pref);
}
}
@Override
public Checkable getCurrentChecked() {
return mCurrentChecked;
}
@Override
public String getCurrentKey() {
return mCurrentKey;
}
@Override
public void setCurrentChecked(Checkable current) {
mCurrentChecked = current;
}
@Override
public void setCurrentKey(String key) {
mCurrentKey = key;
for (int i=0; i<mHelper.mAvailableInteractionInfos.size(); i++) {
VoiceInputHelper.InteractionInfo info = mHelper.mAvailableInteractionInfos.get(i);
if (info.key.equals(key)) {
// Put the new value back into secure settings.
Settings.Secure.putString(getActivity().getContentResolver(),
Settings.Secure.VOICE_INTERACTION_SERVICE, key);
Settings.Secure.putString(getActivity().getContentResolver(),
Settings.Secure.VOICE_RECOGNITION_SERVICE,
new ComponentName(info.service.packageName,
info.serviceInfo.getRecognitionService())
.flattenToShortString());
return;
}
}
for (int i=0; i<mHelper.mAvailableRecognizerInfos.size(); i++) {
VoiceInputHelper.RecognizerInfo info = mHelper.mAvailableRecognizerInfos.get(i);
if (info.key.equals(key)) {
Settings.Secure.putString(getActivity().getContentResolver(),
Settings.Secure.VOICE_INTERACTION_SERVICE, "");
Settings.Secure.putString(getActivity().getContentResolver(),
Settings.Secure.VOICE_RECOGNITION_SERVICE, key);
return;
}
}
}
@Override
public boolean onPreferenceClick(Preference preference) {
if (preference instanceof VoiceInputPreference) {
((VoiceInputPreference)preference).doClick();
}
return true;
}
// For Search
public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
new BaseSearchIndexProvider() {
@Override
public List<SearchIndexableRaw> getRawDataToIndex(Context context,
boolean enabled) {
List<SearchIndexableRaw> indexables = new ArrayList<>();
final String screenTitle = context.getString(R.string.voice_input_settings_title);
SearchIndexableRaw indexable = new SearchIndexableRaw(context);
indexable.key = "voice_service_preference_section_title";
indexable.title = context.getString(R.string.voice_service_preference_section_title);
indexable.screenTitle = screenTitle;
indexables.add(indexable);
final List<ResolveInfo> voiceInteractions =
context.getPackageManager().queryIntentServices(
new Intent(VoiceInteractionService.SERVICE_INTERFACE),
PackageManager.GET_META_DATA);
final int countInteractions = voiceInteractions.size();
for (int i = 0; i < countInteractions; i++) {
ResolveInfo info = voiceInteractions.get(i);
VoiceInteractionServiceInfo visInfo = new VoiceInteractionServiceInfo(
context.getPackageManager(), info.serviceInfo);
if (visInfo.getParseError() != null) {
continue;
}
indexables.add(getSearchIndexableRaw(context, info, screenTitle));
}
final List<ResolveInfo> recognitions =
context.getPackageManager().queryIntentServices(
new Intent(RecognitionService.SERVICE_INTERFACE),
PackageManager.GET_META_DATA);
final int countRecognitions = recognitions.size();
for (int i = 0; i < countRecognitions; i++) {
ResolveInfo info = recognitions.get(i);
indexables.add(getSearchIndexableRaw(context, info, screenTitle));
}
return indexables;
}
private SearchIndexableRaw getSearchIndexableRaw(Context context,
ResolveInfo info, String screenTitle) {
ServiceInfo serviceInfo = info.serviceInfo;
ComponentName componentName = new ComponentName(serviceInfo.packageName,
serviceInfo.name);
SearchIndexableRaw indexable = new SearchIndexableRaw(context);
indexable.key = componentName.flattenToString();
indexable.title = info.loadLabel(context.getPackageManager()).toString();
indexable.screenTitle = screenTitle;
return indexable;
}
};
}
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