Iphone页面跳转动画的封装

在项目中我希望页面跳转有不同的动画效果，我是一个喜欢将公用代码提交出来写成工具类的人，这个当然也不会放过，好了，看代码：
.h文件：
[cpp]
#import <Foundation/Foundation.h> 
#import <QuartzCore/QuartzCore.h> 
 
@inte易做图ce MyAnimationUtil : NSObject { 
     
} 
 
 
+(CATransition *)getAnimation:(NSInteger)mytag; 
 
 
@end 

.m文件
[cpp]
#import "MyAnimationUtil.h" 
#include<stdlib.h> 
 
@implementation MyAnimationUtil 
 
 
//获得动画 
+(CATransition *)getAnimation:(NSInteger)mytag{ 
     
    CATransition *animation = [CATransition animation]; 
    animation.delegate = self; 
    animation.duration = 0.7; 
    animation.timingFunction = UIViewAnimationCurveEaseInOut; 
     
    switch (mytag) { 
        case 1: 
            animation.type = kCATransitionFade; 
            break; 
        case 2: 
            animation.type = kCATransitionPush; 
            break; 
        case 3: 
            animation.type = kCATransitionReveal; 
            break; 
        case 4: 
            animation.type = kCATransitionMoveIn; 
            break; 
        case 5: 
            animation.type = @"cube"; 
            break; 
        case 6: 
            animation.type = @"suckEffect"; 
            break; 
        case 7: 
            animation.type = @"oglFlip"; 
            break; 
        case 8: 
            animation.type = @"rippleEffect"; 
            break; 
        case 9: 
            animation.type = @"pageCurl"; 
            break; 
        case 10: 
            animation.type = @"pageUnCurl"; 
            break; 
        case 11: 
            animation.type = @"cameraIrisHollowOpen"; 
            break; 
        case 12: 
            animation.type = @"cameraIrisHollowClose"; 
            break; 
        default: 
            break; 
    } 
     
    
    int i = (int)rand()%4; 
    switch (i) { 
             
        case 0: 
            animation.subtype = kCATransitionFromLeft; 
            break; 
        case 1: 
            animation.subtype = kCATransitionFromBottom; 
            break; 
        case 2: 
            animation.subtype = kCATransitionFromRight; 
            break; 
        case 3: 
            animation.subtype = kCATransitionFromTop; 
            break; 
        default: 
            break; 
    } 
    return animation; 
} 
 
 
 
@end 

调用如下：
[cpp]
UserRegisterViewController *userregister = [[UserRegisterViewController alloc]initWithNibName:@"UserRegisterViewController" bundle:nil]; 
   userregister.userregisterdelegate = self.rootdelegate; 
   [self.navigationController pushViewController:userregister animated:NO]; 
   CATransition * animation =  [MyAnimationUtil getAnimation:6]; 
   [self.navigationController.view.layer addAnimation:animation forKey:nil]; 
   [userregister release]; 

补充：移动开发 , IOS ,

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