当使用图形上下文进行图片绘制的时候,如果图片像素比较大,那么内存会很好,即使最后关闭图形上下文,内存也不会降低,求解
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My guess is that the boarding image is cached. You try setting view.layer to casharplayer.
My guess is that the boarding image is cached. You try setting view.layer to casharplayer.