push 时添加自定义动画

CATransition *animation = [CATransition
animation];
[animation setDuration:0.3];
[animation setType:
kCATransitionMoveIn];
[animation setSubtype:
kCATransitionFromTop];
[animation setTimingFunction:[CAMediaTimingFunction
functionWithName:kCAMediaTimingFunctionDefault]];
[self.navigationController
pushViewController:mineGoodsVc
animated:NO];
[self.navigationController.view.layer
addAnimation:animation forKey:nil];