Exposing the ability to select a default TTS engine to the
user by adding it into Settings.
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 8ccb8bf..c63ad6e 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2012,6 +2012,10 @@
<string name="use_default_tts_settings_summary">Default settings below override application settings</string>
<!-- On main TTS Settings screen, section header for default TTS settings -->
<string name="tts_default_settings_section">Default settings</string>
+ <!-- On main TTS Settings screen, in default settings section, setting default synthesis engine for synthesized voice -->
+ <string name="tts_default_synth_title">Default Engine</string>
+ <!-- On main TTS Settings screen, summary for default synthesis engine for synthesized voice -->
+ <string name="tts_default_synth_summary">Sets the speech synthesis engine to be used for spoken text</string>
<!-- On main TTS Settings screen, in default settings section, setting default speech rate for synthesized voice -->
<string name="tts_default_rate_title">Speech rate</string>
<!-- On main TTS Settings screen, summary for default speech rate for synthesized voice -->
diff --git a/res/xml/tts_settings.xml b/res/xml/tts_settings.xml
index d94d575..6b1a843 100644
--- a/res/xml/tts_settings.xml
+++ b/res/xml/tts_settings.xml
@@ -37,6 +37,11 @@
<PreferenceCategory
android:title="@string/tts_default_settings_section">
+ <ListPreference
+ android:key="tts_default_synth"
+ android:title="@string/tts_default_synth_title"
+ android:summary="@string/tts_default_synth_summary"
+ android:persistent="false" />
<ListPreference
android:key="tts_default_rate"
diff --git a/src/com/android/settings/TextToSpeechSettings.java b/src/com/android/settings/TextToSpeechSettings.java
index f60d0f2..edc09e6 100644
--- a/src/com/android/settings/TextToSpeechSettings.java
+++ b/src/com/android/settings/TextToSpeechSettings.java
@@ -55,6 +55,7 @@
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";
// TODO move default Locale values to TextToSpeech.Engine
private static final String DEFAULT_LANG_VAL = "eng";
private static final String DEFAULT_COUNTRY_VAL = "USA";
@@ -70,6 +71,7 @@
private CheckBoxPreference mUseDefaultPref = null;
private ListPreference mDefaultRatePref = null;
private ListPreference mDefaultLocPref = null;
+ private ListPreference mDefaultSynthPref = null;
private String mDefaultLanguage = null;
private String mDefaultCountry = null;
private String mDefaultLocVariant = null;
@@ -156,7 +158,10 @@
mUseDefaultPref.setChecked(useDefault == 1);
mUseDefaultPref.setOnPreferenceChangeListener(this);
- // Default engine
+ // Default synthesis engine
+ mDefaultSynthPref = (ListPreference) findPreference(KEY_TTS_DEFAULT_SYNTH);
+ loadEngines();
+ mDefaultSynthPref.setOnPreferenceChangeListener(this);
String engine = Settings.Secure.getString(resolver, TTS_DEFAULT_SYNTH);
if (engine == null) {
// TODO move FALLBACK_TTS_DEFAULT_SYNTH to TextToSpeech
@@ -297,6 +302,14 @@
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())) {
+ // TODO: Do a data check here
+ mDefaultEng = objValue.toString();
+ Settings.Secure.putString(getContentResolver(), TTS_DEFAULT_SYNTH, mDefaultEng);
+ if (mTts != null) {
+ mTts.setEngineByPackageName(mDefaultEng);
+ }
+ Log.v("Settings", "The default synth is: " + objValue.toString());
}
return true;
@@ -424,4 +437,23 @@
Settings.Secure.putString(resolver, TTS_DEFAULT_VARIANT, DEFAULT_VARIANT_VAL);
}
+
+ private void loadEngines() {
+ ListPreference enginesPref = (ListPreference) findPreference(KEY_TTS_DEFAULT_SYNTH);
+
+ 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);
+ CharSequence entries[] = new CharSequence[enginesArray.length];
+ CharSequence values[] = new CharSequence[enginesArray.length];
+ for (int i = 0; i < enginesArray.length; i++) {
+ entries[i] = enginesArray[i].loadLabel(pm);
+ values[i] = enginesArray[i].activityInfo.packageName;
+ }
+ enginesPref.setEntries(entries);
+ enginesPref.setEntryValues(values);
+ }
+
}