Question

Im create application with timer and show pop ups evry 30 sec

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    

[window addSubview:viewController.view];
[window makeKeyAndVisible];



timer = [NSTimer scheduledTimerWithTimeInterval:(30)
                                         target:self 
                                       selector:@selector(showpopup:) 
                                       userInfo:nil 
                                        repeats:YES];




}

-(void) showpopup:(NSTimer *)theTimer{

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"YAHooo!" message:nil delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
    [alert show];
        [alert release];

}

How change code to show pop ups in background mode

Answer 1

You can’t show UIAlertView when your application is in background. You can use UILocalNotification which comes in UIAlertView format, but there is a limit for number of notification for each app. To schedule UILocalNotification follow the tutorial.