[Warning] UIVisualEffectView is
2017-03-10 本文已影响91人
景彧
[Warning] <UIVisualEffectView 0x7fb1de705010> is being asked to animate its opacity. This will cause the effect to appear broken until opacity returns to 1.
据我所知,不能改变一个视觉效果视图UIVisualEffectView的alpha,UIVisualEffectView的alpha总是一个不变的数值。
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