iOS 5解决Could not instantiate class named NSLayoutConstraint问题
2013-10-17 11:26
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如果使用Xcode 4.5来新建项目，默认是支持AutoLayout的，但是AutoLayout是iOS 6的新特性，如果在iOS 5的simulator上运行程序，会出现Could not instantiate class named NSLayoutConstraint问题。
解决方法是打开storyboard文件，去掉AutoLayout的选择。（即：打开XIB文件选中第一个选项，查看是不是选中了Use AutoLayout，把对勾划掉就可以了）
解决方法是打开storyboard文件，去掉AutoLayout的选择。（即：打开XIB文件选中第一个选项，查看是不是选中了Use AutoLayout，把对勾划掉就可以了）
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