How do you start an Activity with AlarmManager in Android?

Question

I\'ve poured through a dozen tutorials and forum answers about this problem, but still haven\'t been able to get some working code together. I\'ll try to keep the question s

Answer 1

In my experience you can achieve this without broadcast receiver, just use PendingIntent.getActivity() instead of getbroadcast()

private void setReminder(){

AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
            Calendar startTime = Calendar.getInstance();
            startTime.add(Calendar.MINUTE, 1);
            Intent intent = new Intent(ReminderActivity.this, ReminderActivity.class);
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            PendingIntent pendingIntent = PendingIntent.getActivity(ReminderActivity.this, 1, intent, PendingIntent.FLAG_UPDATE_CURRENT);
            alarmManager.set(AlarmManager.RTC, startTime.getTimeInMillis(), pendingIntent);   
}

I've tested this code on android O but I'm not sure about other android versions please inform me if this doesn't work on any other android version.