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我有一个应用程序,它UIImageView每 0.3 秒在屏幕顶部生成一次并向下移动屏幕。这使得应用程序非常缓慢并且相对没有响应。我应该使用精灵而不是图像视图吗?或者有没有办法让我的图像视图更有效率?
UIImageView