iOS 8 模糊视图(毛玻璃效果)的简单实现UIVisualEffectView

来源：互联网发布：数字病理人工智能编辑：程序博客网时间：2024/05/16 13:55

在需要模糊的UIView上，添加一个UIVisualEffectView对象即可。

效果如下图：

代码如下：

UIImageView *imageview = [[UIImageViewalloc]init];

imageview.frame =CGRectMake(10,100,300, 300);

imageview.image = [UIImageimageNamed:@"2"];

imageview.contentMode =UIViewContentModeScaleAspectFit;

imageview.userInteractionEnabled =YES;

[self.viewaddSubview:imageview];

UIBlurEffect *blur = [UIBlurEffecteffectWithStyle:UIBlurEffectStyleLight];

UIVisualEffectView *effectview = [[UIVisualEffectViewalloc]initWithEffect:blur];

effectview.frame =CGRectMake(0,0, imageview.size.width/2,300);

[imageviewaddSubview:effectview];

UIButton *btn = [UIButtonbuttonWithType:UIButtonTypeSystem];

btn.frame =CGRectMake(10,50,100, 40);

[btn setTitle:@"btn"forState:UIControlStateNormal];

[effectview.contentViewaddSubview:btn];

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