/accessibilityPreferences/src/com/marvin/preferences/ResetTalkBackActivity.java

 1// Copyright 2011 Google Inc. All Rights Reserved.
 2
 3package com.marvin.preferences;
 4
 5import android.app.Activity;
 6import android.content.Intent;
 7import android.os.Bundle;
 8import android.speech.tts.TextToSpeech;
 9
10/**
11 * This is a simple activity that, when launched, broadcasts a command to reset TalkBack
12 * 
13 * @author credo@google.com (Tim Credo)
14 */
15public class ResetTalkBackActivity extends Activity {
16    
17    public static final String ACTION_RESET_TALKBACK_COMMAND = "com.google.android.marvin.talkback.ACTION_RESET_TALKBACK_COMMAND";
18
19    TextToSpeech mTts;
20    
21    @Override
22    protected void onCreate(Bundle savedInstanceState) {
23        super.onCreate(savedInstanceState);
24        Intent intent = new Intent(ACTION_RESET_TALKBACK_COMMAND);
25        sendBroadcast(intent);
26        mTts = new TextToSpeech(this, new TextToSpeech.OnInitListener() {
27            @Override
28            public void onInit(int status) {
29                if (status == TextToSpeech.SUCCESS) {
30                    if (mTts != null) {
31                        mTts.speak("TalkBack reset", TextToSpeech.QUEUE_FLUSH, null);
32                        while (mTts.isSpeaking()) {
33                            try {
34                                Thread.sleep(100);
35                            } catch (InterruptedException e) {
36                                e.printStackTrace();
37                            }
38                        }
39                        mTts.shutdown();
40                    }  
41                }
42                finish();
43            }
44        });
45    }
46}