CUICatalog: Invalid asset name supplied: (null), or invalid scale factor: 2.000000 BUG解决
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今天无意中发现控制台打印出了这句话,网上查了一些资料,发现是因为[UIImage imageNamed:]中,图片名字为nil造成的,iOS6中运行一切正常,iOS7中就报这个错误,我想应该是Apple想把API做的更严谨一些吧,那好,具体解决办法,就是用的时候,先判断一下,图片名字是否为nil(也就是避免图片出现nil),例如:
if (highlighted) {
[btn setBackgroundImage:[UIImage imageNamed:highlighted] forState:UIControlStateSelected];
}
这样就可以了!
参考:http://stackoverflow.com/questions/18942414/setting-button-image-method
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