自定义push和pop特效

push

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// push 动画 渐变过度    CATransition* transition = [CATransition animation];    transition.duration = 0.5;    transition.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];    transition.type = kCATransitionFade;    [self.navigationController.view.layer addAnimation:transition forKey:nil];    [self.navigationController pushViewController:sort animated:NO];    [sort release];    sort = nil;

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pop

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CATransition* transition = [CATransition animation];    transition.duration = 0.5;    transition.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];    transition.type = kCATransitionFade;     [self.navigationController.view.layer addAnimation:transition forKey:nil];    [self.navigationController popViewControllerAnimated:NO];

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