A few TTS bug fixes (0e20fe5b) · Commits · e / os / android_frameworks_base

core/java/android/speech/tts/TextToSpeech.java

+5 −2

Original line number	Diff line number	Diff line
		@@ -505,12 +505,14 @@ public class TextToSpeech {

		// Try requested engine
		if (connectToEngine(engine)) {
		mCurrentEngine = engine;
		return SUCCESS;
		}

		// Fall back to user's default engine if different from the already tested one
		if (!engine.equals(defaultEngine)) {
		if (connectToEngine(defaultEngine)) {
		mCurrentEngine = engine;
		return SUCCESS;
		}
		}
		@@ -520,10 +522,12 @@ public class TextToSpeech {
		if (!defaultEngine.equals(highestRanked)
		&& !engine.equals(highestRanked)) {
		if (connectToEngine(highestRanked)) {
		mCurrentEngine = engine;
		return SUCCESS;
		}
		}

		dispatchOnInit(ERROR);
		return ERROR;
		}

		@@ -534,10 +538,9 @@ public class TextToSpeech {
		boolean bound = mContext.bindService(intent, connection, Context.BIND_AUTO_CREATE);
		if (!bound) {
		Log.e(TAG, "Failed to bind to " + engine);
		dispatchOnInit(ERROR);
		return false;
		} else {
		mCurrentEngine = engine;
		Log.i(TAG, "Sucessfully bound to " + engine);
		return true;
		}
		}

core/java/android/speech/tts/TtsEngines.java

+31 −5

Original line number	Diff line number	Diff line
		@@ -48,14 +48,14 @@ public class TtsEngines {
		}

		/**
		* @return the default TTS engine. If the user has set a default, that
		* value is returned else the highest ranked engine is returned,
		* as per {@link EngineInfoComparator}.
		* @return the default TTS engine. If the user has set a default, and the engine
		* is available on the device, the default is returned. Otherwise,
		* the highest ranked engine is returned as per {@link EngineInfoComparator}.
		*/
		public String getDefaultEngine() {
		String engine = Settings.Secure.getString(mContext.getContentResolver(),
		Settings.Secure.TTS_DEFAULT_SYNTH);
		return engine != null ? engine : getHighestRankedEngineName();
		return isEngineInstalled(engine) ? engine : getHighestRankedEngineName();
		}

		/**
		@@ -124,7 +124,14 @@ public class TtsEngines {
		public boolean isEngineEnabled(String engine) {
		// System engines are enabled by default always.
		EngineInfo info = getEngineInfo(engine);
		if (info != null && info.system) {
		if (info == null) {
		// The engine is not installed, and therefore cannot
		// be enabled.
		return false;
		}

		if (info.system) {
		// All system engines are enabled by default.
		return true;
		}

		@@ -141,6 +148,25 @@ public class TtsEngines {
		return appInfo != null && (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
		}

		/**
		* @return true if a given engine is installed on the system. Useful to deal
		* with cases where an engine has been uninstalled by the user or removed
		* for any other reason.
		*/
		private boolean isEngineInstalled(String engine) {
		if (engine == null) {
		return false;
		}

		for (EngineInfo info : getEngines()) {
		if (engine.equals(info.name)) {
		return true;
		}
		}

		return false;
		}

		private EngineInfo getEngineInfo(ResolveInfo resolve, PackageManager pm) {
		ServiceInfo service = resolve.serviceInfo;
		if (service != null) {