Android Notification to play sound only

Question

I have a countdown timer in my activity and when it reaches zero I send a notification to the status bar which also plays a custom wav file to alert the user. I only want t

Answer 1

NotificationCompat.Builder builder= new NotificationCompat.Builder(this);

three ways to setSound

builder.setDefaults(Notification.DEFAULT_SOUND);
builder.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION));
builder.setSound(Settings.System.DEFAULT_NOTIFICATION_URI);