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Update QuizActivity.java #24

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34 changes: 30 additions & 4 deletions app/src/main/java/com/example/android/classicalmusicquiz/QuizActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -74,7 +74,7 @@ public class QuizActivity extends AppCompatActivity implements View.OnClickListe
private static MediaSessionCompat mMediaSession;
private PlaybackStateCompat.Builder mStateBuilder;
private NotificationManager mNotificationManager;

private String CHANNEL_ID = "quiz_playback_channel"";

@Override
protected void onCreate(Bundle savedInstanceState) {
Expand Down Expand Up @@ -190,15 +190,41 @@ private Button[] initializeButtons(ArrayList<Integer> answerSampleIDs) {
return buttons;
}

/**
*For android 8 above notification
*/
@RequiresApi(Build.VERSION_CODES.O)
private void createChannel() {
NotificationManager
mNotificationManager =
(NotificationManager) this
.getSystemService(Context.NOTIFICATION_SERVICE);
// The id of the channel.
String id = CHANNEL_ID;
// The user-visible name of the channel.
CharSequence name = "Media playback";
// The user-visible description of the channel.
String description = "Media playback controls";
int importance = NotificationManager.IMPORTANCE_LOW;
NotificationChannel mChannel = new NotificationChannel(id, name, importance);
// Configure the notification channel.
mChannel.setDescription(description);
mChannel.setShowBadge(false);
mChannel.setLockscreenVisibility(Notification.VISIBILITY_PUBLIC);
mNotificationManager.createNotificationChannel(mChannel);
}

/**
* Shows Media Style notification, with actions that depend on the current MediaSession
* PlaybackState.
* @param state The PlaybackState of the MediaSession.
*/
private void showNotification(PlaybackStateCompat state) {
NotificationCompat.Builder builder = new NotificationCompat.Builder(this);

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
createChannel();
}
NotificationCompat.Builder builder = new NotificationCompat.Builder(this, CHANNEL_ID);

int icon;
String play_pause;
if(state.getState() == PlaybackStateCompat.STATE_PLAYING){
Expand Down Expand Up @@ -230,7 +256,7 @@ private void showNotification(PlaybackStateCompat state) {
.setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
.addAction(restartAction)
.addAction(playPauseAction)
.setStyle(new NotificationCompat.MediaStyle()
.setStyle(new android.support.v4.media.app.NotificationCompat.MediaStyle()
.setMediaSession(mMediaSession.getSessionToken())
.setShowActionsInCompactView(0,1));

Expand Down