public void onDestroy() {
super.onDestroy();
Utilities.setDirectionImage("STOP", ivDirection, bt);
bt.stop();
recognizer.cancel();
recognizer.shutdown();
}
/**
* Function stops recognizer and switches textview UI
*
* @param searchName
*/
private void switchSearch(String searchName) {
recognizer.stop();
// If we are not spotting, start listening with timeout (10000 ms or 10 seconds).
if (searchName.equals(KWS_SEARCH)) recognizer.startListening(searchName);
else recognizer.startListening(searchName, 10000);
String caption = getResources().getString(captions.get(searchName));
((TextView) findViewById(R.id.caption_text)).setText(caption);
}
private void startListeningSphinx(String searchName) {
recognizer.stop();
// If we are not spotting, start listening with timeout (10000 ms or 10 seconds).
if (searchName.equals(KWS_SEARCH)) recognizer.startListening(searchName);
/* else
// recognizer.startListening(searchName);
recognizer.startListening(searchName, 10000);*/
// String caption = getResources().getString(searchName);
((TextView) findViewById(R.id.user_help)).setText(R.string.robot_move);
}
@Override
public void onEndOfSpeech() {
showSnackbar("End of speech Sphinx", Snackbar.LENGTH_LONG);
try {
if (!recognizer.getSearchName().equals(KWS_SEARCH)) startListeningSphinx(KWS_SEARCH);
} catch (Exception r) {
r.printStackTrace();
}
progressBar.setIndeterminate(true);
}
private void setupRecognizer(File assetsDir) {
try {
recognizer =
defaultSetup()
.setAcousticModel(new File(assetsDir, "en-us-ptm"))
.setDictionary(new File(assetsDir, "cmudict-en-us.dict"))
// .setRawLogDir(assetsDir) // To disable logging of raw audio comment out this call
// (takes a lot of space on the device)
.setKeywordThreshold(
1e-45f) // Threshold to tune for keyphrase to balance between false alarms and
// misses
.setBoolean("-allphone_ci", true)
.getRecognizer();
recognizer.addListener(this);
// Create keyword-activation search.
recognizer.addKeyphraseSearch(KWS_SEARCH, KEYPHRASE);
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void onPartialResult(Hypothesis hypothesis) { // / change recogniser Sphinx -> Android
if (hypothesis == null) return;
String text = hypothesis.getHypstr();
if (text.equals(KEYPHRASE)) {
progressBar.setVisibility(View.VISIBLE);
progressBar.setIndeterminate(true);
recognizer.cancel(); // cancel Sphinx speech recognizer
speech.startListening(recognizerIntent); // start android speech recognizer
((TextView) findViewById(R.id.user_help)).setText(R.string.speech_prompt);
}
}
/**
* The recognizer can be configured to perform multiple searches of different kind and switch
* between them.
*
* <p>THE HEART OF THE APP!
*
* @param assetsDir
* @throws IOException
*/
private void setupRecognizer(File assetsDir) throws IOException {
recognizer =
defaultSetup()
.setAcousticModel(new File(assetsDir, "en-us-ptm")) // Acoustic model
.setDictionary(
new File(
assetsDir, "cmudict-en-us.dict")) // English dictionary of most common words
.setRawLogDir(
assetsDir) // To disable logging of raw audio comment out this call (takes a lot of
// space on the device)
.setKeywordThreshold(
1e-15f) // Threshold to tune for keyphrase to balance between false alarms and
// misses
// .setBoolean("-allphone_ci", true) // Use
// context-independent phonetic search, context-dependent is too slow for mobile
.getRecognizer();
recognizer.addListener(this);
// Create keyword-activation search.
recognizer.addKeyphraseSearch(KWS_SEARCH, KEYPHRASE);
File animalGrammar = new File(assetsDir, "animals.gram");
recognizer.addKeywordSearch("animals", animalGrammar);
}
@Override
protected void onPause() {
super.onPause();
if (textToSpeech != null) {
textToSpeech.stop();
textToSpeech.shutdown();
}
Utilities.setDirectionImage("STOP", ivDirection, bt);
bt.stop();
recognizer.cancel();
// finish();
if (speech != null) {
speech.destroy();
}
}
/** We stop recognizer here to get a final result */
@Override
public void onEndOfSpeech() {
Log.i(LOG_TAG, "Updating count");
((TextView) findViewById(R.id.result_text))
.setText(
"cat: "
+ wordCount.get("cat")
+ "\n"
+ "dog: "
+ wordCount.get("dog")
+ "\n"
+ "rat: "
+ wordCount.get("rat"));
// String temp_text = recognizer.getSearchName();
//
if (!recognizer.getSearchName().equals(KWS_SEARCH)) switchSearch(ANIMAL_SEARCH);
}
@Override
public void onDestroy() {
super.onDestroy();
recognizer.cancel();
recognizer.shutdown();
}