关于编译错误:"_OBJC_CLASS_$_XXXXXX", referenced from:
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在xcode 开发过程中,经常遇到如下错误:
"_OBJC_CLASS_$_ClassName", referenced from:
我总结了两种错误情况:
1.一个类所在的库(框架)没有被引入,常见为framework添加。
解决方法:添加该类所在的库(框架)
2.一个类没有被正确的添加到工程中,这种情况在工程中的确存在这个类,可是程序就是不能识别。
解决方法:选中该类,只删除它在该工程中的引用,然后,再添加引用,如下图
添加:
选择
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