通过uiview动画来放大图片

UIImage *image=[UIImage imageNamed:@"1"];

    UIImageView *imageView=[[UIImageView alloc]init];

    imageView.image=image;

    imageView.frame=CGRectMake(120, 140, 80, 80);

    [self.view addSubview:imageView];

    

    [UIView animateKeyframesWithDuration:2 delay:2 options:UIViewKeyframeAnimationOptionBeginFromCurrentState animations:^{

        imageView.frame=CGRectMake(80, 100, 160, 160);

        

    } completion:nil];

    

 

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