[iOS][ERROR] Unexpected nil window in _UIApplicationHandleEventFromQueueEvent

      before
      

    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

    [self.window makeKeyAndVisible];

    

    

    

    
    After

 

    self.window = [UIWindow new];

    [self.window makeKeyAndVisible];

    self.window.frame = [[UIScreen mainScreen] bounds];