iOS8中用UIVisualEffectView实现高斯模糊视图(毛玻璃效果)
2015-12-03 16:45 Y了个J 阅读(380) 评论(0) 编辑 收藏 举报UIBlurEffect *beffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleDark];
UIVisualEffectView *view = [[UIVisualEffectView alloc]initWithEffect:beffect];
view.alpha = 0.7;
view.frame = self.bounds;
view.alpha 的透明度不能小于1;