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I've an app which uses speech recognition. Target SDK is 31. It was working fine but after updating device to Android 12 it is not giving any result.

    speechRecognizerIntent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
    speechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, Locale.getDefault());
    speechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, getPackageName());
    speechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_PARTIAL_RESULTS, true);
    speechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
    speechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_SPEECH_INPUT_MINIMUM_LENGTH_MILLIS, 4000);
    speechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_SPEECH_INPUT_COMPLETE_SILENCE_LENGTH_MILLIS, 4000);
    speechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_SPEECH_INPUT_POSSIBLY_COMPLETE_SILENCE_LENGTH_MILLIS, 4000);
    speechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_MAX_RESULTS, 5);

Getting null results in OnResult()

    @Override
    public void onResults(Bundle results) {
    ArrayList<String> matches = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
    }

I've already taken below permission

    <uses-permission android:name="android.permission.RECORD_AUDIO" />
Sunil Shreepal
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2 Answers2

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I ran into this change recently as well. onResults always returns null now but moving your code to the onPartailResults should return the speech result.

 @Override
 public void onPartialResults(Bundle partialResults) {
 ArrayList<String> matches = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
}
WitLessCoding
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This was totally broken by Google speech engine updates.

The workaround fix is here: Why has SpeechRecognizer suddenly stopped working?

mike nelson
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