Find out, what controller is on the top.
If you want to check, what controller is on the top right now, with this code all what you need is to minimize app and restore it again. And you will see an alert with the title of Controller. APPDELEGATE #import "UIViewController+Top.h" - (void)applicationWillEnterForeground:(UIApplication *)application { #ifdef DEBUG NSString *topController = NSStringFromClass([[UIViewController topViewController] class]); [[[UIAlertView alloc] initWithTitle:topController message:nil delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil] show]; #endif } CATEGORY @interface UIViewController (Top) + (UIViewController *)topViewController; @end #import "UIViewController+Top.h" @implementation UIViewController (Top) + (UIViewController *)topViewController { UIViewController *rootViewController = [UIApplication sharedApplication].keyWindow.rootViewController; return [rootViewController topVisibleViewController]; } - (UIVie