UINavigationController修改默认的动画

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系统默认的NavigationController还不错，但是时间长了会有审美疲劳，今天在网上找了找资料，改变默认的动画效果。

1.添加QuartzCore并引入头文件

#import <QuartzCore/CoreAnimation.h>

2. PushView 的动画修改

CATransition *transition = [CATransition animation];
        transition.duration = 1;
        transition.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
        transition.type = kCATransitionPush;
        transition.subtype = kCATransitionFromTop;
        transition.delegate = self;
        [self.navigationController.view.layer addAnimation:transition forKey:nil];
        self.navigationController.navigationBarHidden = NO;

[self.navigationController pushViewController:viewController animated:NO];

3.popView的动画

CATransition *transition = [CATransition animation];
    transition.duration =0.4;
    transition.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
    transition.type = kCATransitionReveal;
    //transition.subtype = kCATransitionFromBottom;
    transition.delegate = self;
    [self.navigationController.view.layer addAnimation:transition forKey:nil];

    self.navigationController.navigationBarHidden = NO;

[self.navigationController popViewControllerAnimated:NO];

本文只是演示了如何修改动画，具体什么样的动画比较好看，还需要自己选择。

来源:http://www.th7.cn/Program/IOS/2012/04/13/69566.shtml