Examples with OnAudioFocusChangeListener android.media.AudioManager.OnAudioFocusChangeListener used on opensource projects

Example 1 with OnAudioFocusChangeListener

use of android.media.AudioManager.OnAudioFocusChangeListener in project ultrasonic by ultrasonic.

the class Util method requestAudioFocus.

public static void requestAudioFocus(final Context context) {
    if (!hasFocus) {
        final AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
        hasFocus = true;
        audioManager.requestAudioFocus(new OnAudioFocusChangeListener() {

            @Override
            public void onAudioFocusChange(int focusChange) {
                DownloadService downloadService = (DownloadService) context;
                if ((focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT || focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK) && !downloadService.isJukeboxEnabled()) {
                    if (downloadService.getPlayerState() == PlayerState.STARTED) {
                        SharedPreferences preferences = getPreferences(context);
                        int lossPref = Integer.parseInt(preferences.getString(Constants.PREFERENCES_KEY_TEMP_LOSS, "1"));
                        if (lossPref == 2 || (lossPref == 1 && focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK)) {
                            lowerFocus = true;
                            downloadService.setVolume(0.1f);
                        } else if (lossPref == 0 || (lossPref == 1)) {
                            pauseFocus = true;
                            downloadService.pause();
                        }
                    }
                } else if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
                    if (pauseFocus) {
                        pauseFocus = false;
                        downloadService.start();
                    } else if (lowerFocus) {
                        lowerFocus = false;
                        downloadService.setVolume(1.0f);
                    }
                } else if (focusChange == AudioManager.AUDIOFOCUS_LOSS && !downloadService.isJukeboxEnabled()) {
                    hasFocus = false;
                    downloadService.pause();
                    audioManager.abandonAudioFocus(this);
                }
            }
        }, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    }
}