Broadcast receiver in alarm application

Question

in alarm aplication, is there unlimited amount of alarms that the user can set ? I'm working on the option of alarm in my project, and i realized that its work only once. If i want be able to make many alarms, how should it be done, with Threads or IntentFilter, or something alse ?

public class AlarmReceiver extends BroadcastReceiver{
@Override
public void onReceive(Context context, Intent intent) {
    String title = intent.getStringExtra("Title");
    NotificationManager notificationManager = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
    Intent myIntent = new Intent();
    System.out.println("Title: " + title);
    switch (title){
        case "Weight":
            myIntent = new Intent(context, WeightActivity.class);
            break;
        case "Measure":
            myIntent = new Intent(context, measurActivity.class);
            break;
        case "Pr":
            myIntent = new Intent(context, PrsActivity.class);
            break;
        case "Macros":
            myIntent = new Intent(context, DietActivity.class);
            break;
    }

    myIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);

    PendingIntent pendingIntent = PendingIntent.getActivity(context, 100, myIntent, PendingIntent.FLAG_UPDATE_CURRENT);

    NotificationCompat.Builder builder = (NotificationCompat.Builder) new NotificationCompat.Builder(context)
            .setContentIntent(pendingIntent)
            .setSmallIcon(R.drawable.dumbbell)
            .setContentTitle("Tracker")
            .setContentText(title)
            .setAutoCancel(true);

    notificationManager.notify(1, builder.build());
}

}

Answer 1

That's why there are requestCodes.

Note the requestCode, You just need to use different request codes for your PendingIntent while setting alarms.

public setMyAlarm(int requestCode){

AlarmManager alarmMgr = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
Intent intent = new Intent(context, AlarmReceiver.class);
PendingIntent alarmIntent = PendingIntent.getBroadcast(context, requestCode, intent, 0);

alarmMgr.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
        SystemClock.elapsedRealtime() +
        60 * 1000, alarmIntent);
}

Since the type of requestCode is int, so that should be more than enough to set much amount of alarms.

Also for cancelling the alarm you will have to mention the Pending intent with the same requestCode, you used to set alarm.

Please don't misunderstand it with your Notification's PendingIntent.