UIBlurEffect毛玻璃

2018-05-14 本文已影响3人絮语时光杨

// 创建显示图片
UIImageView *imageView = [[UIImageView alloc] init];

/** 毛玻璃特效类型

UIBlurEffectStyleExtraLight,
UIBlurEffectStyleLight,
UIBlurEffectStyleDark
*/
UIBlurEffect *blurEffect = [UIBlurEffecteffectWithStyle:UIBlurEffectStyleLight];

// 毛玻璃视图
UIVisualEffectView *effectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];

//添加到要有毛玻璃特效的控件中
effectView.frame = imageView.bounds;
[imageView addSubview:effectView];

//设置模糊透明度
effectView.alpha = 0.5f;