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Issue 1680 Finish / clean up media player in rare case the media server dies

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git-svn-id: https://zxing.googlecode.com/svn/trunk@2799 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen@gmail.com 2013-05-15 20:09:37 +00:00
parent 20490f1bda
commit c608a08978
1 changed files with 26 additions and 11 deletions
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37
android/src/com/google/zxing/client/android/BeepManager.java
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@ -31,7 +31,7 @@ import java.io.IOException;
/**
* Manages beeps and vibrations for {@link CaptureActivity}.
*/
final class BeepManager {
final class BeepManager implements MediaPlayer.OnCompletionListener, MediaPlayer.OnErrorListener {
private static final String TAG = BeepManager.class.getSimpleName();
@ -49,7 +49,7 @@ final class BeepManager {
updatePrefs();
}
void updatePrefs() {
synchronized void updatePrefs() {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
playBeep = shouldBeep(prefs, activity);
vibrate = prefs.getBoolean(PreferencesActivity.KEY_VIBRATE, false);
@ -61,7 +61,7 @@ final class BeepManager {
}
}
void playBeepSoundAndVibrate() {
synchronized void playBeepSoundAndVibrate() {
if (playBeep && mediaPlayer != null) {
mediaPlayer.start();
}
@ -83,16 +83,11 @@ final class BeepManager {
return shouldPlayBeep;
}
private static MediaPlayer buildMediaPlayer(Context activity) {
private MediaPlayer buildMediaPlayer(Context activity) {
MediaPlayer mediaPlayer = new MediaPlayer();
mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
// When the beep has finished playing, rewind to queue up another one.
mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer player) {
player.seekTo(0);
}
});
mediaPlayer.setOnCompletionListener(this);
mediaPlayer.setOnErrorListener(this);
AssetFileDescriptor file = activity.getResources().openRawResourceFd(R.raw.beep);
try {
@ -107,4 +102,24 @@ final class BeepManager {
return mediaPlayer;
}
@Override
public void onCompletion(MediaPlayer mp) {
// When the beep has finished playing, rewind to queue up another one.
mp.seekTo(0);
}
@Override
public synchronized boolean onError(MediaPlayer mp, int what, int extra) {
if (what == MediaPlayer.MEDIA_ERROR_SERVER_DIED) {
// we are finished, so put up an appropriate error toast if required and finish
activity.finish();
} else {
// possibly media player error, so release and recreate
mp.release();
mediaPlayer = null;
updatePrefs();
}
return true;
}
}