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使用retina显示器,帧为100/100点的UIView真的有200/200像素的位图吗?

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2 回答 2

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是的。内存方面是x 4

于 2010-09-23T09:45:58.753 回答
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I strongly suggest you read the part of the iOS App Programming Guide dealing with resolution independence.

于 2010-09-23T11:57:08.767 回答