两个UIView点击动画切换

效果图

---

代码

#import "ViewController.h"

@interface ViewController (){
    UIButton *btn_Rock;
}

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    //先把需要的视图初始化好
    self.oneView = [[OneView alloc] init];
    self.twoView = [[TwoView alloc] init];
    //添加的时候先只添加第一个视图
    [self.view addSubview:self.oneView];
    [self.view sendSubviewToBack:self.oneView];
    
    
    
    //先创建一个自定义类型(UIButtonTypeCustom)的按钮！
    btn_Rock = [UIButton buttonWithType:UIButtonTypeCustom];
    //设置自定义类型按钮的宽高！
    btn_Rock.frame = CGRectMake(0, 0, 32, 28);
    //设置自定义类型按钮的图片！
    [btn_Rock setBackgroundColor:[UIColor greenColor]];
    //添加按钮的点击事件！
    [btn_Rock addTarget:self action:@selector(btn_RockClick:) forControlEvents:UIControlEventTouchUpInside];
    UIBarButtonItem *item = [[UIBarButtonItem alloc]initWithCustomView:btn_Rock];
    [self.navigationItem setRightBarButtonItem:item];
    self.title = @"活动";
   
    
}

-(void)btn_RockClick:(id)sender{
    NSLog(@"点击翻转");
    //防止暴力点击切换，导致视图切换出错，所以需要加个小技巧，当点击一次切换后就把按钮的交互给关了！
    btn_Rock.userInteractionEnabled = NO;
    //执行切换视图的函数
    [self doTransitionWithType];
    //用定时器1秒（与切换视图的动画一致）之后才唤醒切换按钮的交互事件
    [self performSelector:@selector(isClick) withObject:nil afterDelay:1.0f];

}

-(void)isClick{
    //重新唤醒按钮的交互事件！
    btn_Rock.userInteractionEnabled = YES;
}

-(void)doTransitionWithType{
    if ([[self.view subviews] containsObject:self.twoView ]) {
        
        /**
         UIView切换动画
         @param FromView   从 twoView 视图开始
         @param toView     切换到 oneView 视图
         @param duration   1秒的动画时间
         @param options    动画方式----有很多总，这里选择了从右开始翻转
         @param completion 当执行完动画之后删除之前的 twoView
         @return UIView
         */
        [UIView transitionFromView:self.twoView
                            toView:self.oneView
                          duration:1
                           options:UIViewAnimationOptionTransitionFlipFromRight
                        completion:^(BOOL finished){
                            [self.twoView removeFromSuperview];
                        }];
        [self.view addSubview:self.oneView];
        [self.view sendSubviewToBack:self.oneView];
    }
    else{
        
        /**
        UIView切换动画
         @param FromView   从 oneView 视图开始
         @param toView     切换到 twoView 视图
         @param duration   1秒的动画时间
         @param options    动画方式----有很多总，这里选择了从左开始翻转
         @param completion 当执行完动画之后删除之前的 oneView
         @return UIView
         */
        [UIView transitionFromView:self.oneView
                            toView:self.twoView
                          duration:1
                           options:UIViewAnimationOptionTransitionFlipFromLeft
                        completion:^(BOOL finished){
                            [self.oneView removeFromSuperview];
                        }];
        [self.view addSubview:self.twoView];
        [self.view sendSubviewToBack:self.twoView];
        
    }
}

@end