Move settings to their new location according to ux spec.
This change doesn't add or remove any functionality. Additionally, make the settings searchable. Test: mmma packages/apps/Settings + manual testing Change-Id: Id3e24fd52b49b7373b4f247241cc52f61ffe169e
This commit is contained in:
Niels Egberts
194
src/com/android/settings/tts/TtsEnginePreferenceFragment.java
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194
src/com/android/settings/tts/TtsEnginePreferenceFragment.java
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package com.android.settings.tts;
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import android.speech.tts.TextToSpeech;
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import com.android.settings.R;
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import android.os.Bundle;
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import com.android.settings.SettingsPreferenceFragment;
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import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
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import android.support.v7.preference.PreferenceCategory;
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import android.speech.tts.TtsEngines;
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import android.speech.tts.TextToSpeech.EngineInfo;
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import com.android.settings.SettingsActivity;
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import com.android.settings.tts.TtsEnginePreference.RadioButtonGroupState;
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import android.widget.Checkable;
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import android.util.Log;
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import static android.provider.Settings.Secure.TTS_DEFAULT_SYNTH;
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import com.android.settings.search.Indexable;
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import com.android.settings.search.BaseSearchIndexProvider;
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import android.content.Context;
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import android.provider.SearchIndexableResource;
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import java.util.List;
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import java.util.Arrays;
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public class TtsEnginePreferenceFragment extends SettingsPreferenceFragment //implements
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implements RadioButtonGroupState, Indexable {
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private static final String TAG = "TtsEnginePreferenceFragment";
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private static final int VOICE_DATA_INTEGRITY_CHECK = 1977;
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/** The currently selected engine. */
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private String mCurrentEngine;
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/**
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* The engine checkbox that is currently checked. Saves us a bit of effort in deducing the right
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* one from the currently selected engine.
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*/
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private Checkable mCurrentChecked;
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/**
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* The previously selected TTS engine. Useful for rollbacks if the users choice is not loaded or
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* fails a voice integrity check.
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*/
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private String mPreviousEngine;
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private PreferenceCategory mEnginePreferenceCategory;
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private TextToSpeech mTts = null;
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private TtsEngines mEnginesHelper = null;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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addPreferencesFromResource(R.xml.tts_engine_picker);
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mEnginePreferenceCategory =
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(PreferenceCategory) findPreference("tts_engine_preference_category");
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mEnginesHelper = new TtsEngines(getActivity().getApplicationContext());
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mTts = new TextToSpeech(getActivity().getApplicationContext(), null);
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initSettings();
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}
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@Override
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public int getMetricsCategory() {
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return MetricsEvent.TTS_ENGINE_SETTINGS;
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if (mTts != null) {
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mTts.shutdown();
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mTts = null;
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}
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}
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private void initSettings() {
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if (mTts != null) {
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mCurrentEngine = mTts.getCurrentEngine();
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}
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mEnginePreferenceCategory.removeAll();
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SettingsActivity activity = (SettingsActivity) getActivity();
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List<EngineInfo> engines = mEnginesHelper.getEngines();
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for (EngineInfo engine : engines) {
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TtsEnginePreference enginePref =
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new TtsEnginePreference(getPrefContext(), engine, this, activity);
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mEnginePreferenceCategory.addPreference(enginePref);
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}
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}
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@Override
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public Checkable getCurrentChecked() {
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return mCurrentChecked;
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}
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@Override
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public String getCurrentKey() {
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return mCurrentEngine;
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}
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@Override
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public void setCurrentChecked(Checkable current) {
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mCurrentChecked = current;
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}
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/**
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* The initialization listener used when the user changes his choice of engine (as opposed to
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* when then screen is being initialized for the first time).
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*/
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private final TextToSpeech.OnInitListener mUpdateListener =
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new TextToSpeech.OnInitListener() {
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@Override
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public void onInit(int status) {
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onUpdateEngine(status);
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}
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};
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private void updateDefaultEngine(String engine) {
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Log.d(TAG, "Updating default synth to : " + engine);
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// Keep track of the previous engine that was being used. So that
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// we can reuse the previous engine.
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//
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// Note that if TextToSpeech#getCurrentEngine is not null, it means at
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// the very least that we successfully bound to the engine service.
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mPreviousEngine = mTts.getCurrentEngine();
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// Step 1: Shut down the existing TTS engine.
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Log.i(TAG, "Shutting down current tts engine");
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if (mTts != null) {
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try {
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mTts.shutdown();
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mTts = null;
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} catch (Exception e) {
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Log.e(TAG, "Error shutting down TTS engine" + e);
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}
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}
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// Step 2: Connect to the new TTS engine.
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// Step 3 is continued on #onUpdateEngine (below) which is called when
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// the app binds successfully to the engine.
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Log.i(TAG, "Updating engine : Attempting to connect to engine: " + engine);
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mTts = new TextToSpeech(getActivity().getApplicationContext(), mUpdateListener, engine);
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Log.i(TAG, "Success");
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}
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/**
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* Step 3: We have now bound to the TTS engine the user requested. We will attempt to check
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* voice data for the engine if we successfully bound to it, or revert to the previous engine if
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* we didn't.
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*/
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public void onUpdateEngine(int status) {
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if (status == TextToSpeech.SUCCESS) {
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Log.d(
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TAG,
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"Updating engine: Successfully bound to the engine: "
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+ mTts.getCurrentEngine());
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android.provider.Settings.Secure.putString(
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getContentResolver(), TTS_DEFAULT_SYNTH, mTts.getCurrentEngine());
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} else {
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Log.d(TAG, "Updating engine: Failed to bind to engine, reverting.");
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if (mPreviousEngine != null) {
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// This is guaranteed to at least bind, since mPreviousEngine would be
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// null if the previous bind to this engine failed.
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mTts =
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new TextToSpeech(
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getActivity().getApplicationContext(), null, mPreviousEngine);
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}
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mPreviousEngine = null;
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}
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}
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@Override
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public void setCurrentKey(String key) {
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mCurrentEngine = key;
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updateDefaultEngine(mCurrentEngine);
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}
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public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
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new BaseSearchIndexProvider() {
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@Override
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public List<SearchIndexableResource> getXmlResourcesToIndex(
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Context context, boolean enabled) {
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Log.i(TAG, "Indexing");
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final SearchIndexableResource sir = new SearchIndexableResource(context);
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sir.xmlResId = R.xml.tts_engine_picker;
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return Arrays.asList(sir);
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}
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};
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}
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