CATransition－转场动画

- (void)animationTrans{
// 转场动画
CATransition *anim = [CATransition animation];
anim.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
anim.type = @"pageCurl";
//anim.subtype = kCATransitionFromRight;
anim.duration = 0.5;

/**
[self.navigationController.view.layer addAnimation:anim forKey:@"navAnim"];
XXXViewController *xxxVC = [[XXXViewController allco] init];
[self.navigationController showViewController:xxxVC sender:nil];
**/
[XXXView exchangeSubViewAtIndex:0 withSubViewAtIndex:1];
[XXXView.layer addAnimation:anim forKey:@"transAnim"];
}