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我正在使用Android语音识别意图,但我想知道用户设置了什么语言来进行识别。 RecognizerIntent上的文档暗示您可以从意图数据中获得此信息,但我一直收到空。Android语音识别 - 使用语言
这些值在调用意图时可用吗?是否有另一种获取这些数据的方法?
下面是如何调用的意图:
private void startVoiceRecognitionActivity() {
Logger.i(AppConfig.LOGTAG, "startVoiceRecognitionActivity");
Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "speech recognition demo");
startActivityForResult(intent, VOICE_RECOGNITION_REQUEST_CODE);
}
而我得到的结果是这样的:
/**
* Handle the results from the recognition activity.
*/
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == VOICE_RECOGNITION_REQUEST_CODE && resultCode == RESULT_OK) {
Logger.i(AppConfig.LOGTAG, "EXTRA_LANGUAGE = "+data.getStringExtra(RecognizerIntent.EXTRA_LANGUAGE));
Logger.i(AppConfig.LOGTAG, "EXTRA_LANGUAGE_MODEL = "+data.getStringExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL));
Logger.i(AppConfig.LOGTAG, "EXTRA_LANGUAGE_PREFERENCE = "+data.getStringExtra(RecognizerIntent.EXTRA_LANGUAGE_PREFERENCE));
} else {
Toast.makeText(getApplicationContext(), "Voice recognition failed.", Toast.LENGTH_LONG).show();
}
super.onActivityResult(requestCode, resultCode, data);
}
我试着用所提出的解决方案,但似乎不起作用:显示的使用语言总是设备和从来没有的默认语言语言由'EXTRA_LANGUAGE'选项设置。为什么? – enzom83 2012-03-11 23:19:20