Speech Recognizer
AndroidManifest.xml
<uses-permission android:name="android.permission.RECORD_AUDIO" />
MyVoiceListener.kt
class MyVoiceListener() : RecognitionListener {
override fun onPartialResults(results: Bundle?) {
// Show partial result
val data = results!!.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION)
if (data != null && data.isNotEmpty()) {
// Your code here for displaying partial results which is in data[0]
}
}
// STEP 4: Process the final result
override fun onResults(results: Bundle?) {
val data = results!!.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION)
if (data != null && data.isNotEmpty()) {
val confidence = results.getFloatArray(SpeechRecognizer.CONFIDENCE_SCORES)
// Highest confidence result in data[0] with score confidence[0]
// Optional: loop through other results
if(data.size > 1) {
for (i in 1 until data.size) {
// Other results
}
}
}
}
override fun onRmsChanged(level: Float) {
// Your code here for displaying noise level change
}
}
override fun onCreate(savedInstanceState: Bundle?) {
// STEP 5 Request permission and initiate speech recognizer
voiceListener = MyVoiceListener()
speechRecognizer = SpeechRecognizer.createSpeechRecognizer(this)
speechRecognizer.setRecognitionListener(voiceListener)
// STEP 6: Create an recognize intent
speakIntent = Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH)
.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM)
.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, "com.example.speechrecognize")
.putExtra(RecognizerIntent.EXTRA_PARTIAL_RESULTS, true)
.putExtra(RecognizerIntent.EXTRA_LANGUAGE, "en")
val audioManager = getSystemService(Context.AUDIO_SERVICE) as AudioManager
speechRecognizer.startListening(speakIntent)
// audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_UNMUTE, 0)
audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_MUTE, 0)
}