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  • ios中两个view动画切换

    @interface ViewController ()
    @property(nonatomic,retain)UIView *redview;
    @property(nonatomic,retain)UIView *yellowview;
    @end
    
    @implementation ViewController
    
    - (void)viewDidLoad
    {
        [super viewDidLoad];
    
        self.redview=[[UIView alloc] initWithFrame:CGRectMake(50, 50, 100, 100)];
        self.redview.backgroundColor=[UIColor redColor];
        [self.view addSubview:self.redview];
        [self.redview release];
        self.yellowview=[[UIView alloc] initWithFrame:CGRectMake(50, 50, 100, 100)];
      _yellowview.backgroundColor=[UIColor yellowColor];
        [self.view addSubview:_yellowview];
        //[_yellowview release];
    }
    
    -(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
        
        //转场动画,切换两个view  注意:如果要切换两个viewcontroller做转场要找到共同view;
        UIView *fromvalue=nil;
        UIView *tovalue=nil;
        if(_yellowview.superview){
            fromvalue=_yellowview;
            tovalue=_redview;
        }
        else{
            fromvalue=_redview;
            tovalue=_yellowview;
            
        }
        
      
        
        [UIView transitionFromView:fromvalue toView:tovalue duration:0.5 options:UIViewAnimationOptionTransitionFlipFromBottom completion:^(BOOL finished) {
           //这个api 原理   :
    //        1:[fromvalue.superview addSubview:tovalue];
    //        2:[fromvalue removeFromSuperview];
            NSLog(@"fromvalue-->%@",fromvalue.superview);
            NSLog(@"tovalue-->%@",tovalue.superview);
        }];
    }
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  • 原文地址:https://www.cnblogs.com/gcb999/p/3189763.html
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