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我想在滚动内容时逐渐应用模糊。我这是可能的,因为这种效果出现在新的聚光灯搜索中。当您拉下主屏幕以显示搜索栏时,系统会逐渐模糊主屏幕。
UIVisualEffectView课堂上有选项UIBlurEffect吗?
UIVisualEffectView
UIBlurEffect