tabbar动画切换

效果1：

　　　　　UIViewController *vc = self.viewControllers[self.selectedIndex];

        CATransition *animation =[CATransition animation];

        [animation setDuration:0.75f];

        [animation setTimingFunction:[CAMediaTimingFunctionfunctionWithName:kCAMediaTimingFunctionDefault]];

        [animation setType:kCATransitionMoveIn];

        [animation setSubtype:kCATransitionFromRight];

        [vc.view.layer addAnimation:animation forKey:@"reveal"];

 

效果2：

 

　　　　　CATransition *animation =[CATransitionanimation];

　　　　  [animation setDuration:0.75f];

        [animation setTimingFunction:[CAMediaTimingFunctionfunctionWithName:kCAMediaTimingFunctionDefault]];

        [animation setType:kCATransitionMoveIn];

        [animation setSubtype:kCATransitionFromRight];

        [self.view.layer addAnimation:animation forKey:@"reveal"];

 

 

运行看效果！