有几种方法可以做到这一点。要获取默认的 TTS 引擎,请检查 onInit 侦听器:
TextToSpeech tts = new TextToSpeech(context, onInitListener);
@Override
public void onInit(final int status) {
switch (status) {
case TextToSpeech.SUCCESS:
try {
final String initEngine = tts.getDefaultEngine();
// Check it's != null before doing anything with it.
} catch (final Exception e) {
}
break;
}
}
try/catch 块在那里,因为我遇到了一些 IVONA 和 SVOX TTS 引擎的崩溃。
获得包名称后,您可以查询意图活动,并在必要时使用自定义选择器或将意图限制为仅从上面获得的包名称。
private void getEngines(String initEngine) {
Intent ttsIntent = new Intent();
ttsIntent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
PackageManager pm = getPackageManager();
List<ResolveInfo> list = pm.queryIntentActivities(ttsIntent,
PackageManager.GET_META_DATA);
for (ResolveInfo appInfo : list) {
// Might want a null check in here
if(appInfo.activityInfo.applicationInfo.packageName.matches(initEngine) {
ttsIntent
.setPackage(appInfo.activityInfo.applicationInfo.packageName);
}
startActivityForResult(ttsIntent, 33);
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == 33 && data != null) {
// do something
}
}
我没有测试过上面的内容,但我相信你可以在它的基础上让它做你想做的事。