IOS Overriding Local Notifications

Question

I created a Local Notification that triggers 60 seconds when a certain button(SetButton) is clicked. My problem right now is if SetButton

Answer 1

It looks like you only have one type of local notifications in your app.

In that case you could keep it simple. Whenever you want to schedule a new one - cancel the previous one.

- (IBAction)SetButtonPressed:(id)sender {
    [[UIApplication sharedApplication] cancelAllLocalNotifications];

    UILocalNotification *localNotification = [[UILocalNotification alloc] init];
    localNotification.fireDate = [NSDate dateWithTimeIntervalSinceNow:60];
    localNotification.alertBody = @"HEY GET UP";
    localNotification.timeZone = [NSTimeZone defaultTimeZone];
    localNotification.applicationIconBadgeNumber = 
      [[UIApplication sharedApplication] applicationIconBadgeNumber] + 1;
}

Answer 2

If you only use notifications for that specific action you could cancel all notifications at once using

[[UIApplication sharedApplication] cancelAllLocalNotifications];