original source : http://www.androiddocs.com/training/wearables/apps/voice.html

사용자로부터 음성으로 data입력을 받으려는 경우

Obtaining Free-form Speech Input

In addition to using voice actions to launch activities, you can also call the system’s built-in Speech Recognizer activity to obtain speech input from users. This is useful to obtain input from users and then process it, such as doing a search or sending it as a message.

In your app, you call


using the


action. This starts the speech recognition activity, and you can then handle the result in



private static final int SPEECH_REQUEST_CODE = 0;

// Create an intent that can start the Speech Recognizer activity
private void displaySpeechRecognizer() {
   Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
// Start the activity, the intent will be populated with the speech text
   startActivityForResult(intent, SPEECH_REQUEST_CODE);

// This callback is invoked when the Speech Recognizer returns.
// This is where you process the intent and extract the speech text from the intent.
protected void onActivityResult(int requestCode, int resultCode,
       Intent data) {
   if (requestCode == SPEECH_REQUEST_CODE && resultCode == RESULT_OK) {
       List<String> results = data.getStringArrayListExtra(
       String spokenText = results.get(0);
       // Do something with spokenText
   super.onActivityResult(requestCode, resultCode, data);

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