Я пытаюсь реализовать код распознавания голоса в Android.Как получить элемент в определенной позиции из списка массивов в Android?Я попытался преобразовать arraylist
в array
и получить.Тем не менее код не работает.
package com.espeaker;
public class EspeakerActivity extends Activity {
private static final int REQUEST_CODE = 1234;
private ListView wordsList;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button speakButton = (Button) findViewById(R.id.speakButton);
wordsList = (ListView) findViewById(R.id.list);
// Disable button if no recognition service is present
PackageManager pm = getPackageManager();
List<ResolveInfo> activities = pm.queryIntentActivities(
new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);
if (activities.size() == 0)
{
speakButton.setEnabled(false);
speakButton.setText("Recognizer not present");
}
}
/**
* Handle the action of the button being clicked
*/
public void speakButtonClicked(View v)
{
startVoiceRecognitionActivity();
}
/**
* Fire an intent to start the voice recognition activity.
*/
private void startVoiceRecognitionActivity()
{
Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Voice recognition Demo...");
startActivityForResult(intent, REQUEST_CODE);
}
/**
* Handle the results from the voice recognition activity.
*/
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
if (requestCode == REQUEST_CODE && resultCode == RESULT_OK)
{
// Populate the wordsList with the String values the recognition engine thought it heard
ArrayList<String> matches = data.getStringArrayListExtra(
RecognizerIntent.EXTRA_RESULTS);
wordsList.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,
matches));
String[] array=matches.toArray(new String[matches.size()]);
// ArrayList<String> places = new ArrayList<String>(
// Arrays.asList("black", "blue", "red"));
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.list_item,matches);
final AutoCompleteTextView input_text = (AutoCompleteTextView) findViewById(R.id.auto);
Button button1 = (Button) findViewById(R.id.button1);
input_text.setAdapter(adapter);
button1.setText(" "+array[0]);
// button1.setText(""+matches);
}
super.onActivityResult(requestCode, resultCode, data);
}
}