// get the view that's currently showing
 UIView *currentView = self.view;
 // get the the underlying UIWindow, or the view containing the current view view
 UIView *theWindow = [currentView superview];
 
 // remove the current view and replace with myView1
 [currentView removeFromSuperview];
 [theWindow addSubview:view1];
 
 // set up an animation for the transition between the views
 CATransition *animation = [CATransition animation];
 [animation setDuration:0.5];
 [animation setType:kCATransitionPush];
 [animation setSubtype:kCATransitionFromRight];
 [animation setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]];
 
 [[theWindow layer] addAnimation:animation forKey:@"SwitchToView1"];*/

iphone: transition between views

Objective C