Gets the uiviewcontroller that the current appdelegate is displaying

Uiwindow+pazlabs.h (header file)

#import <UIKit/UIKit.h>@interface UIWindow (PazLabs)- (UIViewController *) visibleViewController;@end

UIWINDOW+PAZLABS.M (Implementation file)

#import "Uiwindow+pazlabs.h"  @implementation uiwindow (pazlabs)- (Uiviewcontroller*) Visibleviewcontroller {Uiviewcontroller*rootviewcontroller = Self. Rootviewcontroller;return[UIWindowGetvisibleviewcontrollerfrom:rootviewcontroller];} + (Uiviewcontroller*) Getvisibleviewcontrollerfrom: (Uiviewcontroller*) VC {if([VC iskindofclass:[UinavigationcontrollerClass]]) {return[UIWindowGetvisibleviewcontrollerfrom:[((Uinavigationcontroller*) VC) Visibleviewcontroller]; }Else if([VC iskindofclass:[UitabbarcontrollerClass]]) {return[UIWindowGetvisibleviewcontrollerfrom:[((Uitabbarcontroller*) VC) Selectedviewcontroller]; }Else{if(VC. Presentedviewcontroller) {return[UIWindowGetvisibleviewcontrollerfrom:vc. Presentedviewcontroller]; }Else{returnvc }    }}@end

References Link: http://stackoverflow.com/questions/11637709/ Get-the-current-displaying-uiviewcontroller-on-the-screen-in-appdelegate-m

Gets the uiviewcontroller that the current appdelegate is displaying