diff options
Diffstat (limited to 'src/com/android/settings/TextToSpeechSettings.java')
| -rw-r--r-- | src/com/android/settings/TextToSpeechSettings.java | 709 |
1 files changed, 0 insertions, 709 deletions
diff --git a/src/com/android/settings/TextToSpeechSettings.java b/src/com/android/settings/TextToSpeechSettings.java deleted file mode 100644 index d76f08f..0000000 --- a/src/com/android/settings/TextToSpeechSettings.java +++ /dev/null @@ -1,709 +0,0 @@ -/* - * Copyright (C) 2009 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; - -import static android.provider.Settings.Secure.TTS_DEFAULT_COUNTRY; -import static android.provider.Settings.Secure.TTS_DEFAULT_LANG; -import static android.provider.Settings.Secure.TTS_DEFAULT_RATE; -import static android.provider.Settings.Secure.TTS_DEFAULT_SYNTH; -import static android.provider.Settings.Secure.TTS_DEFAULT_VARIANT; -import static android.provider.Settings.Secure.TTS_USE_DEFAULTS; - -import android.app.AlertDialog; -import android.content.ActivityNotFoundException; -import android.content.ContentResolver; -import android.content.DialogInterface; -import android.content.Intent; -import android.os.Bundle; -import android.preference.ListPreference; -import android.preference.Preference; -import android.preference.Preference.OnPreferenceClickListener; -import android.provider.Settings; -import android.provider.Settings.SettingNotFoundException; -import android.speech.tts.TextToSpeech; -import android.speech.tts.TextToSpeech.EngineInfo; -import android.speech.tts.TtsEngines; -import android.text.TextUtils; -import android.util.Log; - -import java.util.ArrayList; -import java.util.List; -import java.util.Locale; -import java.util.StringTokenizer; - -public class TextToSpeechSettings extends SettingsPreferenceFragment implements - Preference.OnPreferenceChangeListener, Preference.OnPreferenceClickListener, - TextToSpeech.OnInitListener { - - private static final String TAG = "TextToSpeechSettings"; - - private static final String KEY_TTS_PLAY_EXAMPLE = "tts_play_example"; - private static final String KEY_TTS_INSTALL_DATA = "tts_install_data"; - private static final String KEY_TTS_USE_DEFAULT = "toggle_use_default_tts_settings"; - private static final String KEY_TTS_DEFAULT_RATE = "tts_default_rate"; - private static final String KEY_TTS_DEFAULT_LANG = "tts_default_lang"; - private static final String KEY_TTS_DEFAULT_COUNTRY = "tts_default_country"; - private static final String KEY_TTS_DEFAULT_VARIANT = "tts_default_variant"; - private static final String KEY_TTS_DEFAULT_SYNTH = "tts_default_synth"; - private static final String KEY_TTS_ENGINE_SETTINGS = "tts_engine_settings"; - - private static final String KEY_PLUGIN_ENABLED_PREFIX = "ENABLED_"; - private static final String KEY_PLUGIN_SETTINGS_PREFIX = "SETTINGS_"; - - // TODO move default Locale values to TextToSpeech.Engine - private static final String DEFAULT_LANG_VAL = "eng"; - private static final String DEFAULT_COUNTRY_VAL = "USA"; - private static final String DEFAULT_VARIANT_VAL = ""; - - private static final String LOCALE_DELIMITER = "-"; - - private Preference mPlayExample = null; - - private ListPreference mDefaultRatePref = null; - private ListPreference mDefaultLocPref = null; - private ListPreference mDefaultSynthPref = null; - - private Preference mInstallData = null; - private Preference mEngineSettings = null; - - private String mDefaultLanguage = null; - private String mDefaultCountry = null; - private String mDefaultLocVariant = null; - private int mDefaultRate = TextToSpeech.Engine.DEFAULT_RATE; - - // Index of the current string to use for the demo. - private int mDemoStringIndex = 0; - - private boolean mEnableDemo = false; - private boolean mVoicesMissing = false; - - private TextToSpeech mTts = null; - private TtsEngines mEnginesHelper = null; - private boolean mTtsStarted = false; - - /** - * Request code (arbitrary value) for voice data check through - * startActivityForResult. - */ - private static final int VOICE_DATA_INTEGRITY_CHECK = 1977; - private static final int GET_SAMPLE_TEXT = 1983; - - @Override - public void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - addPreferencesFromResource(R.xml.tts_settings); - - getActivity().setVolumeControlStream(TextToSpeech.Engine.DEFAULT_STREAM); - - mEnableDemo = false; - mTtsStarted = false; - - Locale currentLocale = Locale.getDefault(); - mDefaultLanguage = currentLocale.getISO3Language(); - mDefaultCountry = currentLocale.getISO3Country(); - mDefaultLocVariant = currentLocale.getVariant(); - - mPlayExample = findPreference(KEY_TTS_PLAY_EXAMPLE); - mPlayExample.setOnPreferenceClickListener(this); - - mInstallData = findPreference(KEY_TTS_INSTALL_DATA); - mInstallData.setOnPreferenceClickListener(this); - - mDefaultSynthPref = (ListPreference) findPreference(KEY_TTS_DEFAULT_SYNTH); - mDefaultRatePref = (ListPreference) findPreference(KEY_TTS_DEFAULT_RATE); - mDefaultLocPref = (ListPreference) findPreference(KEY_TTS_DEFAULT_LANG); - - mEngineSettings = findPreference(KEY_TTS_ENGINE_SETTINGS); - mEngineSettings.setEnabled(false); - - mTts = new TextToSpeech(getActivity().getApplicationContext(), this); - mEnginesHelper = new TtsEngines(getActivity().getApplicationContext()); - - initDefaultSettings(); - initEngineSpecificSettings(); - } - - @Override - public void onStart() { - super.onStart(); - if (mTtsStarted){ - // whenever we return to this screen, we don't know the state of the - // system, so we have to recheck that we can play the demo, or it must be disabled. - // TODO make the TTS service listen to "changes in the system", i.e. sd card un/mount - updateWidgetState(); - checkVoiceData(); - } - } - - @Override - public void onDestroy() { - super.onDestroy(); - if (mTts != null) { - mTts.shutdown(); - } - } - - @Override - public void onPause() { - super.onPause(); - if ((mDefaultRatePref != null) && (mDefaultRatePref.getDialog() != null)) { - mDefaultRatePref.getDialog().dismiss(); - } - if ((mDefaultLocPref != null) && (mDefaultLocPref.getDialog() != null)) { - mDefaultLocPref.getDialog().dismiss(); - } - if ((mDefaultSynthPref != null) && (mDefaultSynthPref.getDialog() != null)) { - mDefaultSynthPref.getDialog().dismiss(); - } - } - - private void initEngineSpecificSettings() { - final String engineName = mEnginesHelper.getDefaultEngine(); - final EngineInfo engine = mEnginesHelper.getEngineInfo(engineName); - - mEngineSettings.setTitle(getResources().getString(R.string.tts_engine_settings_title, - engine.label)); - - final Intent settingsIntent = mEnginesHelper.getSettingsIntent(engineName); - if (settingsIntent != null) { - mEngineSettings.setOnPreferenceClickListener(new OnPreferenceClickListener() { - public boolean onPreferenceClick(Preference preference) { - startActivity(settingsIntent); - return true; - } - }); - mEngineSettings.setEnabled(true); - } else { - mEngineSettings.setEnabled(false); - } - - } - - private void initDefaultSettings() { - ContentResolver resolver = getContentResolver(); - - // Find the default TTS values in the settings, initialize and store the - // settings if they are not found. - - // Default synthesis engine - loadEngines(); - mDefaultSynthPref.setOnPreferenceChangeListener(this); - - // Default rate - try { - mDefaultRate = Settings.Secure.getInt(resolver, TTS_DEFAULT_RATE); - } catch (SettingNotFoundException e) { - // default rate setting not found, initialize it - mDefaultRate = TextToSpeech.Engine.DEFAULT_RATE; - Settings.Secure.putInt(resolver, TTS_DEFAULT_RATE, mDefaultRate); - } - mDefaultRatePref.setValue(String.valueOf(mDefaultRate)); - mDefaultRatePref.setOnPreferenceChangeListener(this); - - // Default language / country / variant : these three values map to a single ListPref - // representing the matching Locale - initDefaultLang(); - mDefaultLocPref.setOnPreferenceChangeListener(this); - } - - /** - * Ask the current default engine to launch the matching CHECK_TTS_DATA activity - * to check the required TTS files are properly installed. - */ - private void checkVoiceData() { - String defaultEngine = mTts.getDefaultEngine(); - if (TextUtils.isEmpty(defaultEngine)) return; - Intent intent = new Intent(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA); - intent.setPackage(defaultEngine); - try { - Log.v(TAG, "Checking voice data: " + intent.toUri(0)); - startActivityForResult(intent, VOICE_DATA_INTEGRITY_CHECK); - } catch (ActivityNotFoundException ex) { - Log.e(TAG, "Failed to check TTS data, no acitivty found for " + intent + ")"); - } - } - - - /** - * Ask the current default engine to launch the matching INSTALL_TTS_DATA activity - * so the required TTS files are properly installed. - */ - private void installVoiceData() { - String defaultEngine = mTts.getDefaultEngine(); - if (TextUtils.isEmpty(defaultEngine)) return; - Intent intent = new Intent(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA); - intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); - intent.setPackage(defaultEngine); - try { - Log.v(TAG, "Installing voice data: " + intent.toUri(0)); - startActivity(intent); - } catch (ActivityNotFoundException ex) { - Log.e(TAG, "Failed to install TTS data, no acitivty found for " + intent + ")"); - } - } - - /** - * Ask the current default engine to return a string of sample text to be - * spoken to the user. - */ - private void getSampleText() { - String defaultEngine = mTts.getDefaultEngine(); - if (TextUtils.isEmpty(defaultEngine)) return; - Intent intent = new Intent(TextToSpeech.Engine.ACTION_GET_SAMPLE_TEXT); - intent.putExtra("language", mDefaultLanguage); - intent.putExtra("country", mDefaultCountry); - intent.putExtra("variant", mDefaultLocVariant); - intent.setPackage(defaultEngine); - - try { - Log.v(TAG, "Getting sample text: " + intent.toUri(0)); - startActivityForResult(intent, GET_SAMPLE_TEXT); - } catch (ActivityNotFoundException ex) { - Log.e(TAG, "Failed to get sample text, no acitivty found for " + intent + ")"); - } - } - - /** - * Called when the TTS engine is initialized. - */ - public void onInit(int status) { - if (status == TextToSpeech.SUCCESS) { - mEnableDemo = true; - if (mDefaultLanguage == null) { - mDefaultLanguage = Locale.getDefault().getISO3Language(); - } - if (mDefaultCountry == null) { - mDefaultCountry = Locale.getDefault().getISO3Country(); - } - if (mDefaultLocVariant == null) { - mDefaultLocVariant = new String(); - } - mTts.setLanguage(new Locale(mDefaultLanguage, mDefaultCountry, mDefaultLocVariant)); - updateWidgetState(); - checkVoiceData(); - mTtsStarted = true; - Log.v(TAG, "TTS engine for settings screen initialized."); - } else { - Log.v(TAG, "TTS engine for settings screen failed to initialize successfully."); - mEnableDemo = false; - } - updateWidgetState(); - } - - /** - * Called when voice data integrity check returns - */ - @Override - public void onActivityResult(int requestCode, int resultCode, Intent data) { - if (requestCode == VOICE_DATA_INTEGRITY_CHECK) { - onVoiceDataIntegrityCheckDone(data); - } else if (requestCode == GET_SAMPLE_TEXT) { - onSampleTextReceived(resultCode, data); - } - } - - private void onVoiceDataIntegrityCheckDone(Intent data) { - if (data == null){ - Log.e(TAG, "TTS data check failed data = null"); - // The CHECK_TTS_DATA activity for the plugin did not run properly; - // disable the preview and install controls and return. - mEnableDemo = false; - mVoicesMissing = false; - updateWidgetState(); - return; - } - Log.v(TAG, "TTS data check completed, data = " + data.toUri(0)); - ArrayList<String> available = - data.getStringArrayListExtra(TextToSpeech.Engine.EXTRA_AVAILABLE_VOICES); - ArrayList<String> unavailable = - data.getStringArrayListExtra(TextToSpeech.Engine.EXTRA_UNAVAILABLE_VOICES); - if (available == null || unavailable == null){ - Log.e(TAG, "TTS data check failed (available == == null)"); - // The CHECK_TTS_DATA activity for the plugin did not run properly; - // disable the preview and install controls and return. - mEnableDemo = false; - mVoicesMissing = false; - updateWidgetState(); - return; - } - if (available.size() > 0){ - if (mTts == null) { - mTts = new TextToSpeech(getActivity(), this); - } - - updateDefaultLocPref(available); - - mEnableDemo = true; - // Make sure that the default language can be used. - int languageResult = mTts.setLanguage( - new Locale(mDefaultLanguage, mDefaultCountry, mDefaultLocVariant)); - if (languageResult < TextToSpeech.LANG_AVAILABLE){ - Locale currentLocale = Locale.getDefault(); - mDefaultLanguage = currentLocale.getISO3Language(); - mDefaultCountry = currentLocale.getISO3Country(); - mDefaultLocVariant = currentLocale.getVariant(); - languageResult = mTts.setLanguage( - new Locale(mDefaultLanguage, mDefaultCountry, mDefaultLocVariant)); - // If the default Locale isn't supported, just choose the first available - // language so that there is at least something. - if (languageResult < TextToSpeech.LANG_AVAILABLE){ - parseLocaleInfo(mDefaultLocPref.getEntryValues()[0].toString()); - mTts.setLanguage( - new Locale(mDefaultLanguage, mDefaultCountry, mDefaultLocVariant)); - } - ContentResolver resolver = getContentResolver(); - Settings.Secure.putString(resolver, TTS_DEFAULT_LANG, mDefaultLanguage); - Settings.Secure.putString(resolver, TTS_DEFAULT_COUNTRY, mDefaultCountry); - Settings.Secure.putString(resolver, TTS_DEFAULT_VARIANT, mDefaultLocVariant); - } - } else { - mEnableDemo = false; - } - - if (unavailable.size() > 0){ - mVoicesMissing = true; - } else { - mVoicesMissing = false; - } - - updateWidgetState(); - } - - private void updateDefaultLocPref(ArrayList<String> availableLangs) { - CharSequence[] entries = new CharSequence[availableLangs.size()]; - CharSequence[] entryValues = new CharSequence[availableLangs.size()]; - int selectedLanguageIndex = -1; - String selectedLanguagePref = mDefaultLanguage; - if (mDefaultCountry.length() > 0) { - selectedLanguagePref = selectedLanguagePref + LOCALE_DELIMITER + - mDefaultCountry; - } - if (mDefaultLocVariant.length() > 0) { - selectedLanguagePref = selectedLanguagePref + LOCALE_DELIMITER + - mDefaultLocVariant; - } - for (int i = 0; i < availableLangs.size(); i++) { - String[] langCountryVariant = availableLangs.get(i).split("-"); - Locale loc = null; - if (langCountryVariant.length == 1){ - loc = new Locale(langCountryVariant[0]); - } else if (langCountryVariant.length == 2){ - loc = new Locale(langCountryVariant[0], langCountryVariant[1]); - } else if (langCountryVariant.length == 3){ - loc = new Locale(langCountryVariant[0], langCountryVariant[1], - langCountryVariant[2]); - } - if (loc != null){ - entries[i] = loc.getDisplayName(); - entryValues[i] = availableLangs.get(i); - if (entryValues[i].equals(selectedLanguagePref)) { - selectedLanguageIndex = i; - } - } - } - mDefaultLocPref.setEntries(entries); - mDefaultLocPref.setEntryValues(entryValues); - if (selectedLanguageIndex > -1) { - mDefaultLocPref.setValueIndex(selectedLanguageIndex); - } - } - - private void onSampleTextReceived(int resultCode, Intent data) { - if (resultCode == TextToSpeech.LANG_AVAILABLE) { - String sample = getActivity().getString(R.string.tts_demo); - if (data != null && data.getStringExtra("sampleText") != null) { - sample = data.getStringExtra("sampleText"); - } - Log.v(TAG, "Got sample text: " + sample); - 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 changed, now " + value); - } 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(mDefaultRate / 100.0f); - } - Log.v(TAG, "TTS default rate changed, now " + 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(TAG, " selected is " + newIndex); - mDemoStringIndex = newIndex > -1 ? newIndex : 0; - } else if (KEY_TTS_DEFAULT_SYNTH.equals(preference.getKey())) { - final String name = objValue.toString(); - final EngineInfo info = mEnginesHelper.getEngineInfo(name); - - if (info.system) { - // For system engines, do away with the alert dialog. - updateDefaultEngine(name); - initEngineSpecificSettings(); - } else { - // For all other engines, display a warning message before - // turning them on. - displayDataAlert(preference, name); - } - - // We'll deal with updating the UI ourselves. - return false; - } - - 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; - } else if (preference == mInstallData) { - installVoiceData(); - // quit this activity so it needs to be restarted after installation of the voice data - finish(); - return true; - } - - return false; - } - - private void updateWidgetState() { - mPlayExample.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 (locale != null) { - String[] components = locale.split(LOCALE_DELIMITER); - if (components.length > 0) { - mDefaultLanguage = components[0]; - } - if (components.length > 1) { - mDefaultCountry = components[1]; - } - if (components.length > 2) { - mDefaultLocVariant = components[2]; - } - } - } - - - /** - * 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() { - ContentResolver resolver = getContentResolver(); - String language = Settings.Secure.getString(resolver, TTS_DEFAULT_LANG); - if ((language == null) || (language.length() < 1)) { - return false; - } - String country = Settings.Secure.getString(resolver, TTS_DEFAULT_COUNTRY); - if (country == null) { - return false; - } - String variant = Settings.Secure.getString(resolver, TTS_DEFAULT_VARIANT); - if (variant == null) { - return false; - } - return true; - } - - /** - * (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() { - List<EngineInfo> engines = mEnginesHelper.getEngines(); - CharSequence entries[] = new CharSequence[engines.size()]; - CharSequence values[] = new CharSequence[engines.size()]; - - final int count = engines.size(); - for (int i = 0; i < count; ++i) { - final EngineInfo engine = engines.get(i); - entries[i] = engine.label; - values[i] = engine.name; - } - - mDefaultSynthPref.setEntries(entries); - mDefaultSynthPref.setEntryValues(values); - - // 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( - mEnginesHelper.getHighestRankedEngineName()); - } - if (selectedEngineIndex >= 0) { - mDefaultSynthPref.setValueIndex(selectedEngineIndex); - } - } - - private void displayDataAlert(Preference pref, final String key) { - Log.v(TAG, "Displaying data alert for :" + key); - AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); - builder.setTitle(android.R.string.dialog_alert_title); - builder.setIcon(android.R.drawable.ic_dialog_alert); - builder.setMessage(getActivity().getString( - R.string.tts_engine_security_warning, pref.getTitle())); - builder.setCancelable(true); - builder.setPositiveButton(android.R.string.ok, - new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - updateDefaultEngine(key); - loadEngines(); - initEngineSpecificSettings(); - } - }); - builder.setNegativeButton(android.R.string.cancel, null); - - AlertDialog dialog = builder.create(); - dialog.show(); - } - - private void updateDefaultEngine(String engine) { - Log.v(TAG, "Updating default synth to : " + engine); - if (mTts != null) { - try { - mTts.shutdown(); - mTts = null; - } catch (Exception e) { - Log.e(TAG, "Error shutting down TTS engine" + e); - } - } - - mTts = new TextToSpeech(getActivity().getApplicationContext(), this, engine); - mEnableDemo = false; - mVoicesMissing = false; - - // Persist this value to settings and update the UI before we check - // voice data because if the TTS class connected without any exception, "engine" - // will be the default engine irrespective of whether the voice check - // passes or not. - Settings.Secure.putString(getContentResolver(), TTS_DEFAULT_SYNTH, engine); - mDefaultSynthPref.setValue(engine); - updateWidgetState(); - - checkVoiceData(); - - Log.v(TAG, "The default synth is now: " + engine); - } - -} |