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-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { [UIView transitionWithView:_imageViewFirst duration:1.0f options:UIViewAnimationOptionTransitionFlipFromTop animations:^{ _imageViewFirst.alpha=0; _imageViewFirst.center=CGPointMake(50, 20); } completion:^(BOOL finished) { }]; }
uiview 的transitionWithView 方法使用
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原文地址：http://www.cnblogs.com/thbbsky/p/4380237.html
