8ca7d88c1b
The language pref needs to be set after populating the entries based on the selected engine. Change-Id: I16db4428eee83052ff7c5115942eef4bf3d87454
757 lines
32 KiB
Java
757 lines
32 KiB
Java
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import static android.provider.Settings.Secure.TTS_USE_DEFAULTS;
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import static android.provider.Settings.Secure.TTS_DEFAULT_RATE;
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import static android.provider.Settings.Secure.TTS_DEFAULT_LANG;
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import static android.provider.Settings.Secure.TTS_DEFAULT_COUNTRY;
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import static android.provider.Settings.Secure.TTS_DEFAULT_VARIANT;
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import static android.provider.Settings.Secure.TTS_DEFAULT_SYNTH;
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import static android.provider.Settings.Secure.TTS_ENABLED_PLUGINS;
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import android.app.AlertDialog;
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import android.content.ContentResolver;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.pm.ActivityInfo;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.os.Bundle;
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import android.preference.ListPreference;
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import android.preference.Preference;
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import android.preference.Preference.OnPreferenceClickListener;
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import android.preference.PreferenceActivity;
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import android.preference.PreferenceGroup;
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import android.preference.PreferenceScreen;
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import android.preference.CheckBoxPreference;
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import android.provider.Settings;
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import android.provider.Settings.SettingNotFoundException;
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import android.speech.tts.TextToSpeech;
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import android.util.Log;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Locale;
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import java.util.StringTokenizer;
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public class TextToSpeechSettings extends PreferenceActivity implements
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Preference.OnPreferenceChangeListener, Preference.OnPreferenceClickListener,
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TextToSpeech.OnInitListener {
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private static final String TAG = "TextToSpeechSettings";
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private static final String SYSTEM_TTS = "com.svox.pico";
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private static final String KEY_TTS_PLAY_EXAMPLE = "tts_play_example";
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private static final String KEY_TTS_INSTALL_DATA = "tts_install_data";
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private static final String KEY_TTS_USE_DEFAULT = "toggle_use_default_tts_settings";
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private static final String KEY_TTS_DEFAULT_RATE = "tts_default_rate";
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private static final String KEY_TTS_DEFAULT_LANG = "tts_default_lang";
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private static final String KEY_TTS_DEFAULT_COUNTRY = "tts_default_country";
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private static final String KEY_TTS_DEFAULT_VARIANT = "tts_default_variant";
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private static final String KEY_TTS_DEFAULT_SYNTH = "tts_default_synth";
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private static final String KEY_PLUGIN_ENABLED_PREFIX = "ENABLED_";
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private static final String KEY_PLUGIN_SETTINGS_PREFIX = "SETTINGS_";
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// TODO move default Locale values to TextToSpeech.Engine
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private static final String DEFAULT_LANG_VAL = "eng";
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private static final String DEFAULT_COUNTRY_VAL = "USA";
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private static final String DEFAULT_VARIANT_VAL = "";
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private static final String LOCALE_DELIMITER = "-";
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private static final String FALLBACK_TTS_DEFAULT_SYNTH =
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TextToSpeech.Engine.DEFAULT_SYNTH;
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private Preference mPlayExample = null;
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private Preference mInstallData = null;
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private CheckBoxPreference mUseDefaultPref = null;
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private ListPreference mDefaultRatePref = null;
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private ListPreference mDefaultLocPref = null;
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private ListPreference mDefaultSynthPref = null;
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private String mDefaultLanguage = null;
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private String mDefaultCountry = null;
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private String mDefaultLocVariant = null;
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private String mDefaultEng = "";
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private int mDefaultRate = TextToSpeech.Engine.DEFAULT_RATE;
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// Array of strings used to demonstrate TTS in the different languages.
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private String[] mDemoStrings;
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// Index of the current string to use for the demo.
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private int mDemoStringIndex = 0;
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private boolean mEnableDemo = false;
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private boolean mVoicesMissing = false;
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private TextToSpeech mTts = null;
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private boolean mTtsStarted = false;
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/**
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* Request code (arbitrary value) for voice data check through
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* startActivityForResult.
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*/
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private static final int VOICE_DATA_INTEGRITY_CHECK = 1977;
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private static final int GET_SAMPLE_TEXT = 1983;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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addPreferencesFromResource(R.xml.tts_settings);
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addEngineSpecificSettings();
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mDemoStrings = getResources().getStringArray(R.array.tts_demo_strings);
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setVolumeControlStream(TextToSpeech.Engine.DEFAULT_STREAM);
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mEnableDemo = false;
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mTtsStarted = false;
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Locale currentLocale = Locale.getDefault();
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mDefaultLanguage = currentLocale.getISO3Language();
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mDefaultCountry = currentLocale.getISO3Country();
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mDefaultLocVariant = currentLocale.getVariant();
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mTts = new TextToSpeech(this, this);
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}
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@Override
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protected void onStart() {
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super.onStart();
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if (mTtsStarted){
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// whenever we return to this screen, we don't know the state of the
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// system, so we have to recheck that we can play the demo, or it must be disabled.
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// TODO make the TTS service listen to "changes in the system", i.e. sd card un/mount
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initClickers();
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updateWidgetState();
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checkVoiceData();
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}
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}
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@Override
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protected 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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}
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}
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@Override
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protected void onPause() {
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super.onPause();
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if ((mDefaultRatePref != null) && (mDefaultRatePref.getDialog() != null)) {
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mDefaultRatePref.getDialog().dismiss();
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}
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if ((mDefaultLocPref != null) && (mDefaultLocPref.getDialog() != null)) {
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mDefaultLocPref.getDialog().dismiss();
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}
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if ((mDefaultSynthPref != null) && (mDefaultSynthPref.getDialog() != null)) {
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mDefaultSynthPref.getDialog().dismiss();
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}
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}
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private void addEngineSpecificSettings() {
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PreferenceGroup enginesCategory = (PreferenceGroup) findPreference("tts_engines_section");
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Intent intent = new Intent("android.intent.action.START_TTS_ENGINE");
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ResolveInfo[] enginesArray = new ResolveInfo[0];
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PackageManager pm = getPackageManager();
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enginesArray = pm.queryIntentActivities(intent, 0).toArray(enginesArray);
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for (int i = 0; i < enginesArray.length; i++) {
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String prefKey = "";
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final String pluginPackageName = enginesArray[i].activityInfo.packageName;
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if (!enginesArray[i].activityInfo.packageName.equals(SYSTEM_TTS)) {
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CheckBoxPreference chkbxPref = new CheckBoxPreference(this);
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prefKey = KEY_PLUGIN_ENABLED_PREFIX + pluginPackageName;
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chkbxPref.setKey(prefKey);
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chkbxPref.setTitle(enginesArray[i].loadLabel(pm));
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enginesCategory.addPreference(chkbxPref);
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}
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if (pluginHasSettings(pluginPackageName)) {
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Preference pref = new Preference(this);
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prefKey = KEY_PLUGIN_SETTINGS_PREFIX + pluginPackageName;
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pref.setKey(prefKey);
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pref.setTitle(enginesArray[i].loadLabel(pm));
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CharSequence settingsLabel = getResources().getString(
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R.string.tts_engine_name_settings, enginesArray[i].loadLabel(pm));
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pref.setSummary(settingsLabel);
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pref.setOnPreferenceClickListener(new OnPreferenceClickListener(){
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public boolean onPreferenceClick(Preference preference){
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Intent i = new Intent();
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i.setClassName(pluginPackageName,
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pluginPackageName + ".EngineSettings");
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startActivity(i);
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return true;
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}
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});
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enginesCategory.addPreference(pref);
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}
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}
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}
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private boolean pluginHasSettings(String pluginPackageName) {
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PackageManager pm = getPackageManager();
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Intent i = new Intent();
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i.setClassName(pluginPackageName, pluginPackageName + ".EngineSettings");
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if (pm.resolveActivity(i, PackageManager.MATCH_DEFAULT_ONLY) != null){
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return true;
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}
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return false;
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}
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private void initClickers() {
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mPlayExample = findPreference(KEY_TTS_PLAY_EXAMPLE);
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mPlayExample.setOnPreferenceClickListener(this);
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mInstallData = findPreference(KEY_TTS_INSTALL_DATA);
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mInstallData.setOnPreferenceClickListener(this);
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}
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private void initDefaultSettings() {
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ContentResolver resolver = getContentResolver();
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// Find the default TTS values in the settings, initialize and store the
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// settings if they are not found.
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// "Use Defaults"
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int useDefault = 0;
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mUseDefaultPref = (CheckBoxPreference) findPreference(KEY_TTS_USE_DEFAULT);
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try {
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useDefault = Settings.Secure.getInt(resolver, TTS_USE_DEFAULTS);
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} catch (SettingNotFoundException e) {
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// "use default" setting not found, initialize it
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useDefault = TextToSpeech.Engine.USE_DEFAULTS;
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Settings.Secure.putInt(resolver, TTS_USE_DEFAULTS, useDefault);
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}
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mUseDefaultPref.setChecked(useDefault == 1);
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mUseDefaultPref.setOnPreferenceChangeListener(this);
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// Default synthesis engine
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mDefaultSynthPref = (ListPreference) findPreference(KEY_TTS_DEFAULT_SYNTH);
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loadEngines();
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mDefaultSynthPref.setOnPreferenceChangeListener(this);
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String engine = Settings.Secure.getString(resolver, TTS_DEFAULT_SYNTH);
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if (engine == null) {
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// TODO move FALLBACK_TTS_DEFAULT_SYNTH to TextToSpeech
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engine = FALLBACK_TTS_DEFAULT_SYNTH;
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Settings.Secure.putString(resolver, TTS_DEFAULT_SYNTH, engine);
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}
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mDefaultEng = engine;
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// Default rate
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mDefaultRatePref = (ListPreference) findPreference(KEY_TTS_DEFAULT_RATE);
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try {
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mDefaultRate = Settings.Secure.getInt(resolver, TTS_DEFAULT_RATE);
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} catch (SettingNotFoundException e) {
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// default rate setting not found, initialize it
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mDefaultRate = TextToSpeech.Engine.DEFAULT_RATE;
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Settings.Secure.putInt(resolver, TTS_DEFAULT_RATE, mDefaultRate);
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}
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mDefaultRatePref.setValue(String.valueOf(mDefaultRate));
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mDefaultRatePref.setOnPreferenceChangeListener(this);
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// Default language / country / variant : these three values map to a single ListPref
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// representing the matching Locale
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mDefaultLocPref = (ListPreference) findPreference(KEY_TTS_DEFAULT_LANG);
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initDefaultLang();
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mDefaultLocPref.setOnPreferenceChangeListener(this);
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}
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/**
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* Ask the current default engine to launch the matching CHECK_TTS_DATA activity
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* to check the required TTS files are properly installed.
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*/
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private void checkVoiceData() {
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PackageManager pm = getPackageManager();
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Intent intent = new Intent();
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intent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
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List<ResolveInfo> resolveInfos = pm.queryIntentActivities(intent, 0);
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// query only the package that matches that of the default engine
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for (int i = 0; i < resolveInfos.size(); i++) {
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ActivityInfo currentActivityInfo = resolveInfos.get(i).activityInfo;
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if (mDefaultEng.equals(currentActivityInfo.packageName)) {
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intent.setClassName(mDefaultEng, currentActivityInfo.name);
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this.startActivityForResult(intent, VOICE_DATA_INTEGRITY_CHECK);
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}
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}
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}
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/**
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* Ask the current default engine to launch the matching INSTALL_TTS_DATA activity
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* so the required TTS files are properly installed.
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*/
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private void installVoiceData() {
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PackageManager pm = getPackageManager();
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Intent intent = new Intent();
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intent.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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List<ResolveInfo> resolveInfos = pm.queryIntentActivities(intent, 0);
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// query only the package that matches that of the default engine
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for (int i = 0; i < resolveInfos.size(); i++) {
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ActivityInfo currentActivityInfo = resolveInfos.get(i).activityInfo;
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if (mDefaultEng.equals(currentActivityInfo.packageName)) {
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intent.setClassName(mDefaultEng, currentActivityInfo.name);
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this.startActivity(intent);
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}
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}
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}
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/**
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* Ask the current default engine to return a string of sample text to be
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* spoken to the user.
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*/
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private void getSampleText() {
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PackageManager pm = getPackageManager();
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Intent intent = new Intent();
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// TODO (clchen): Replace Intent string with the actual
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// Intent defined in the list of platform Intents.
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intent.setAction("android.speech.tts.engine.GET_SAMPLE_TEXT");
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intent.putExtra("language", mDefaultLanguage);
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intent.putExtra("country", mDefaultCountry);
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intent.putExtra("variant", mDefaultLocVariant);
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List<ResolveInfo> resolveInfos = pm.queryIntentActivities(intent, 0);
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// query only the package that matches that of the default engine
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for (int i = 0; i < resolveInfos.size(); i++) {
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ActivityInfo currentActivityInfo = resolveInfos.get(i).activityInfo;
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if (mDefaultEng.equals(currentActivityInfo.packageName)) {
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intent.setClassName(mDefaultEng, currentActivityInfo.name);
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this.startActivityForResult(intent, GET_SAMPLE_TEXT);
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}
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}
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}
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/**
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* Called when the TTS engine is initialized.
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*/
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public void onInit(int status) {
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if (status == TextToSpeech.SUCCESS) {
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mEnableDemo = true;
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if (mDefaultLanguage == null) {
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mDefaultLanguage = Locale.getDefault().getISO3Language();
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}
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if (mDefaultCountry == null) {
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mDefaultCountry = Locale.getDefault().getISO3Country();
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}
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if (mDefaultLocVariant == null) {
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mDefaultLocVariant = new String();
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}
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mTts.setLanguage(new Locale(mDefaultLanguage, mDefaultCountry, mDefaultLocVariant));
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mTts.setSpeechRate((float)(mDefaultRate/100.0f));
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initDefaultSettings();
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initClickers();
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updateWidgetState();
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checkVoiceData();
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mTtsStarted = true;
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Log.v(TAG, "TTS engine for settings screen initialized.");
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} else {
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Log.v(TAG, "TTS engine for settings screen failed to initialize successfully.");
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mEnableDemo = false;
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}
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updateWidgetState();
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}
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/**
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* Called when voice data integrity check returns
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*/
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protected void onActivityResult(int requestCode, int resultCode, Intent data) {
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if (requestCode == VOICE_DATA_INTEGRITY_CHECK) {
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if (data == null){
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// The CHECK_TTS_DATA activity for the plugin did not run properly;
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// disable the preview and install controls and return.
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mEnableDemo = false;
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mVoicesMissing = false;
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updateWidgetState();
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return;
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}
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ArrayList<String> available =
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data.getStringArrayListExtra(TextToSpeech.Engine.EXTRA_AVAILABLE_VOICES);
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ArrayList<String> unavailable =
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data.getStringArrayListExtra(TextToSpeech.Engine.EXTRA_UNAVAILABLE_VOICES);
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if ((available == null) || (unavailable == null)){
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// The CHECK_TTS_DATA activity for the plugin did not run properly;
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// disable the preview and install controls and return.
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mEnableDemo = false;
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mVoicesMissing = false;
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updateWidgetState();
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return;
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}
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if (available.size() > 0){
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if (mTts == null) {
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mTts = new TextToSpeech(this, this);
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}
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ListPreference ttsLanguagePref =
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(ListPreference) findPreference("tts_default_lang");
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CharSequence[] entries = new CharSequence[available.size()];
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CharSequence[] entryValues = new CharSequence[available.size()];
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int selectedLanguageIndex = -1;
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String selectedLanguagePref = mDefaultLanguage;
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if (mDefaultCountry.length() > 0) {
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selectedLanguagePref = selectedLanguagePref + LOCALE_DELIMITER +
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mDefaultCountry;
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}
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if (mDefaultLocVariant.length() > 0) {
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selectedLanguagePref = selectedLanguagePref + LOCALE_DELIMITER +
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mDefaultLocVariant;
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}
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for (int i = 0; i < available.size(); i++){
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String[] langCountryVariant = available.get(i).split("-");
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Locale loc = null;
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if (langCountryVariant.length == 1){
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loc = new Locale(langCountryVariant[0]);
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} else if (langCountryVariant.length == 2){
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loc = new Locale(langCountryVariant[0], langCountryVariant[1]);
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} else if (langCountryVariant.length == 3){
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loc = new Locale(langCountryVariant[0], langCountryVariant[1],
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langCountryVariant[2]);
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}
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if (loc != null){
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entries[i] = loc.getDisplayName();
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entryValues[i] = available.get(i);
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if (entryValues[i].equals(selectedLanguagePref)){
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selectedLanguageIndex = i;
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}
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}
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}
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ttsLanguagePref.setEntries(entries);
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ttsLanguagePref.setEntryValues(entryValues);
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if (selectedLanguageIndex > -1) {
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ttsLanguagePref.setValueIndex(selectedLanguageIndex);
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}
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mEnableDemo = true;
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// Make sure that the default language can be used.
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int languageResult = mTts.setLanguage(
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new Locale(mDefaultLanguage, mDefaultCountry, mDefaultLocVariant));
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if (languageResult < TextToSpeech.LANG_AVAILABLE){
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Locale currentLocale = Locale.getDefault();
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mDefaultLanguage = currentLocale.getISO3Language();
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mDefaultCountry = currentLocale.getISO3Country();
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mDefaultLocVariant = currentLocale.getVariant();
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languageResult = mTts.setLanguage(
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new Locale(mDefaultLanguage, mDefaultCountry, mDefaultLocVariant));
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// If the default Locale isn't supported, just choose the first available
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// language so that there is at least something.
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if (languageResult < TextToSpeech.LANG_AVAILABLE){
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parseLocaleInfo(ttsLanguagePref.getEntryValues()[0].toString());
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mTts.setLanguage(
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new Locale(mDefaultLanguage, mDefaultCountry, mDefaultLocVariant));
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}
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ContentResolver resolver = getContentResolver();
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Settings.Secure.putString(resolver, TTS_DEFAULT_LANG, mDefaultLanguage);
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Settings.Secure.putString(resolver, TTS_DEFAULT_COUNTRY, mDefaultCountry);
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Settings.Secure.putString(resolver, TTS_DEFAULT_VARIANT, mDefaultLocVariant);
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}
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} else {
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mEnableDemo = false;
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}
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if (unavailable.size() > 0){
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mVoicesMissing = true;
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} else {
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mVoicesMissing = false;
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}
|
|
|
|
updateWidgetState();
|
|
} else if (requestCode == GET_SAMPLE_TEXT) {
|
|
if (resultCode == TextToSpeech.LANG_AVAILABLE) {
|
|
String sample = getString(R.string.tts_demo);
|
|
if ((data != null) && (data.getStringExtra("sampleText") != null)) {
|
|
sample = data.getStringExtra("sampleText");
|
|
}
|
|
if (mTts != null) {
|
|
mTts.speak(sample, TextToSpeech.QUEUE_FLUSH, null);
|
|
}
|
|
} else {
|
|
// TODO: Display an error here to the user.
|
|
Log.e(TAG, "Did not have a sample string for the requested language");
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
public boolean onPreferenceChange(Preference preference, Object objValue) {
|
|
if (KEY_TTS_USE_DEFAULT.equals(preference.getKey())) {
|
|
// "Use Defaults"
|
|
int value = (Boolean)objValue ? 1 : 0;
|
|
Settings.Secure.putInt(getContentResolver(), TTS_USE_DEFAULTS,
|
|
value);
|
|
Log.i(TAG, "TTS use default settings is "+objValue.toString());
|
|
} else if (KEY_TTS_DEFAULT_RATE.equals(preference.getKey())) {
|
|
// Default rate
|
|
mDefaultRate = Integer.parseInt((String) objValue);
|
|
try {
|
|
Settings.Secure.putInt(getContentResolver(),
|
|
TTS_DEFAULT_RATE, mDefaultRate);
|
|
if (mTts != null) {
|
|
mTts.setSpeechRate((float)(mDefaultRate/100.0f));
|
|
}
|
|
Log.i(TAG, "TTS default rate is " + mDefaultRate);
|
|
} catch (NumberFormatException e) {
|
|
Log.e(TAG, "could not persist default TTS rate setting", e);
|
|
}
|
|
} else if (KEY_TTS_DEFAULT_LANG.equals(preference.getKey())) {
|
|
// Default locale
|
|
ContentResolver resolver = getContentResolver();
|
|
parseLocaleInfo((String) objValue);
|
|
Settings.Secure.putString(resolver, TTS_DEFAULT_LANG, mDefaultLanguage);
|
|
Settings.Secure.putString(resolver, TTS_DEFAULT_COUNTRY, mDefaultCountry);
|
|
Settings.Secure.putString(resolver, TTS_DEFAULT_VARIANT, mDefaultLocVariant);
|
|
Log.v(TAG, "TTS default lang/country/variant set to "
|
|
+ mDefaultLanguage + "/" + mDefaultCountry + "/" + mDefaultLocVariant);
|
|
if (mTts != null) {
|
|
mTts.setLanguage(new Locale(mDefaultLanguage, mDefaultCountry, mDefaultLocVariant));
|
|
}
|
|
int newIndex = mDefaultLocPref.findIndexOfValue((String)objValue);
|
|
Log.v("Settings", " selected is " + newIndex);
|
|
mDemoStringIndex = newIndex > -1 ? newIndex : 0;
|
|
} else if (KEY_TTS_DEFAULT_SYNTH.equals(preference.getKey())) {
|
|
mDefaultEng = objValue.toString();
|
|
Settings.Secure.putString(getContentResolver(), TTS_DEFAULT_SYNTH, mDefaultEng);
|
|
if (mTts != null) {
|
|
mTts.setEngineByPackageName(mDefaultEng);
|
|
mEnableDemo = false;
|
|
mVoicesMissing = false;
|
|
updateWidgetState();
|
|
checkVoiceData();
|
|
}
|
|
Log.v("Settings", "The default synth is: " + objValue.toString());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Called when mPlayExample or mInstallData is clicked
|
|
*/
|
|
public boolean onPreferenceClick(Preference preference) {
|
|
if (preference == mPlayExample) {
|
|
// Get the sample text from the TTS engine; onActivityResult will do
|
|
// the actual speaking
|
|
getSampleText();
|
|
return true;
|
|
}
|
|
if (preference == mInstallData) {
|
|
installVoiceData();
|
|
// quit this activity so it needs to be restarted after installation of the voice data
|
|
finish();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
|
|
if (Utils.isMonkeyRunning()) {
|
|
return false;
|
|
}
|
|
|
|
if (preference instanceof CheckBoxPreference) {
|
|
final CheckBoxPreference chkPref = (CheckBoxPreference) preference;
|
|
if (!chkPref.getKey().equals(KEY_TTS_USE_DEFAULT)){
|
|
if (chkPref.isChecked()) {
|
|
chkPref.setChecked(false);
|
|
AlertDialog d = (new AlertDialog.Builder(this))
|
|
.setTitle(android.R.string.dialog_alert_title)
|
|
.setIcon(android.R.drawable.ic_dialog_alert)
|
|
.setMessage(getString(R.string.tts_engine_security_warning,
|
|
chkPref.getTitle()))
|
|
.setCancelable(true)
|
|
.setPositiveButton(android.R.string.ok,
|
|
new DialogInterface.OnClickListener() {
|
|
public void onClick(DialogInterface dialog, int which) {
|
|
chkPref.setChecked(true);
|
|
loadEngines();
|
|
}
|
|
})
|
|
.setNegativeButton(android.R.string.cancel,
|
|
new DialogInterface.OnClickListener() {
|
|
public void onClick(DialogInterface dialog, int which) {
|
|
}
|
|
})
|
|
.create();
|
|
d.show();
|
|
} else {
|
|
loadEngines();
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
private void updateWidgetState() {
|
|
mPlayExample.setEnabled(mEnableDemo);
|
|
mUseDefaultPref.setEnabled(mEnableDemo);
|
|
mDefaultRatePref.setEnabled(mEnableDemo);
|
|
mDefaultLocPref.setEnabled(mEnableDemo);
|
|
|
|
mInstallData.setEnabled(mVoicesMissing);
|
|
}
|
|
|
|
|
|
private void parseLocaleInfo(String locale) {
|
|
StringTokenizer tokenizer = new StringTokenizer(locale, LOCALE_DELIMITER);
|
|
mDefaultLanguage = "";
|
|
mDefaultCountry = "";
|
|
mDefaultLocVariant = "";
|
|
if (tokenizer.hasMoreTokens()) {
|
|
mDefaultLanguage = tokenizer.nextToken().trim();
|
|
}
|
|
if (tokenizer.hasMoreTokens()) {
|
|
mDefaultCountry = tokenizer.nextToken().trim();
|
|
}
|
|
if (tokenizer.hasMoreTokens()) {
|
|
mDefaultLocVariant = tokenizer.nextToken().trim();
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Initialize the default language in the UI and in the preferences.
|
|
* After this method has been invoked, the default language is a supported Locale.
|
|
*/
|
|
private void initDefaultLang() {
|
|
// if there isn't already a default language preference
|
|
if (!hasLangPref()) {
|
|
// if the current Locale is supported
|
|
if (isCurrentLocSupported()) {
|
|
// then use the current Locale as the default language
|
|
useCurrentLocAsDefault();
|
|
} else {
|
|
// otherwise use a default supported Locale as the default language
|
|
useSupportedLocAsDefault();
|
|
}
|
|
}
|
|
|
|
// Update the language preference list with the default language and the matching
|
|
// demo string (at this stage there is a default language pref)
|
|
ContentResolver resolver = getContentResolver();
|
|
mDefaultLanguage = Settings.Secure.getString(resolver, TTS_DEFAULT_LANG);
|
|
mDefaultCountry = Settings.Secure.getString(resolver, TTS_DEFAULT_COUNTRY);
|
|
mDefaultLocVariant = Settings.Secure.getString(resolver, TTS_DEFAULT_VARIANT);
|
|
|
|
// update the demo string
|
|
mDemoStringIndex = mDefaultLocPref.findIndexOfValue(mDefaultLanguage + LOCALE_DELIMITER
|
|
+ mDefaultCountry);
|
|
if (mDemoStringIndex > -1){
|
|
mDefaultLocPref.setValueIndex(mDemoStringIndex);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* (helper function for initDefaultLang() )
|
|
* Returns whether there is a default language in the TTS settings.
|
|
*/
|
|
private boolean hasLangPref() {
|
|
String language = Settings.Secure.getString(getContentResolver(), TTS_DEFAULT_LANG);
|
|
return (language != null);
|
|
}
|
|
|
|
/**
|
|
* (helper function for initDefaultLang() )
|
|
* Returns whether the current Locale is supported by this Settings screen
|
|
*/
|
|
private boolean isCurrentLocSupported() {
|
|
String currentLocID = Locale.getDefault().getISO3Language() + LOCALE_DELIMITER
|
|
+ Locale.getDefault().getISO3Country();
|
|
return (mDefaultLocPref.findIndexOfValue(currentLocID) > -1);
|
|
}
|
|
|
|
/**
|
|
* (helper function for initDefaultLang() )
|
|
* Sets the default language in TTS settings to be the current Locale.
|
|
* This should only be used after checking that the current Locale is supported.
|
|
*/
|
|
private void useCurrentLocAsDefault() {
|
|
Locale currentLocale = Locale.getDefault();
|
|
ContentResolver resolver = getContentResolver();
|
|
Settings.Secure.putString(resolver, TTS_DEFAULT_LANG, currentLocale.getISO3Language());
|
|
Settings.Secure.putString(resolver, TTS_DEFAULT_COUNTRY, currentLocale.getISO3Country());
|
|
Settings.Secure.putString(resolver, TTS_DEFAULT_VARIANT, currentLocale.getVariant());
|
|
}
|
|
|
|
/**
|
|
* (helper function for initDefaultLang() )
|
|
* Sets the default language in TTS settings to be one known to be supported
|
|
*/
|
|
private void useSupportedLocAsDefault() {
|
|
ContentResolver resolver = getContentResolver();
|
|
Settings.Secure.putString(resolver, TTS_DEFAULT_LANG, DEFAULT_LANG_VAL);
|
|
Settings.Secure.putString(resolver, TTS_DEFAULT_COUNTRY, DEFAULT_COUNTRY_VAL);
|
|
Settings.Secure.putString(resolver, TTS_DEFAULT_VARIANT, DEFAULT_VARIANT_VAL);
|
|
}
|
|
|
|
|
|
private void loadEngines() {
|
|
mDefaultSynthPref = (ListPreference) findPreference(KEY_TTS_DEFAULT_SYNTH);
|
|
|
|
// TODO (clchen): Try to see if it is possible to be more efficient here
|
|
// and not search for plugins again.
|
|
Intent intent = new Intent("android.intent.action.START_TTS_ENGINE");
|
|
ResolveInfo[] enginesArray = new ResolveInfo[0];
|
|
PackageManager pm = getPackageManager();
|
|
enginesArray = pm.queryIntentActivities(intent, 0).toArray(enginesArray);
|
|
ArrayList<CharSequence> entries = new ArrayList<CharSequence>();
|
|
ArrayList<CharSequence> values = new ArrayList<CharSequence>();
|
|
String enabledEngines = "";
|
|
for (int i = 0; i < enginesArray.length; i++) {
|
|
String pluginPackageName = enginesArray[i].activityInfo.packageName;
|
|
if (pluginPackageName.equals(SYSTEM_TTS)) {
|
|
entries.add(enginesArray[i].loadLabel(pm));
|
|
values.add(pluginPackageName);
|
|
} else {
|
|
CheckBoxPreference pref = (CheckBoxPreference) findPreference(
|
|
KEY_PLUGIN_ENABLED_PREFIX + pluginPackageName);
|
|
if ((pref != null) && pref.isChecked()){
|
|
entries.add(enginesArray[i].loadLabel(pm));
|
|
values.add(pluginPackageName);
|
|
enabledEngines = enabledEngines + pluginPackageName + " ";
|
|
}
|
|
}
|
|
}
|
|
ContentResolver resolver = getContentResolver();
|
|
Settings.Secure.putString(resolver, TTS_ENABLED_PLUGINS, enabledEngines);
|
|
|
|
CharSequence entriesArray[] = new CharSequence[entries.size()];
|
|
CharSequence valuesArray[] = new CharSequence[values.size()];
|
|
|
|
mDefaultSynthPref.setEntries(entries.toArray(entriesArray));
|
|
mDefaultSynthPref.setEntryValues(values.toArray(valuesArray));
|
|
|
|
// Set the selected engine based on the saved preference
|
|
String selectedEngine = Settings.Secure.getString(getContentResolver(), TTS_DEFAULT_SYNTH);
|
|
int selectedEngineIndex = mDefaultSynthPref.findIndexOfValue(selectedEngine);
|
|
if (selectedEngineIndex == -1){
|
|
selectedEngineIndex = mDefaultSynthPref.findIndexOfValue(SYSTEM_TTS);
|
|
}
|
|
mDefaultSynthPref.setValueIndex(selectedEngineIndex);
|
|
}
|
|
|
|
}
|