The last time you opened Xcode, it unexpectedly quit while reopening windows. Do you want to try to reopen its windows again?
If you choose not to reopen windows, you may have to open and position the windows yourself.
Dont reopne reopen 两个按钮 但是点哪个都打不开
解决方法:
/Users/(自己电脑名字)/Library/Developer/Xcode/DerivedData
把这个文件夹里面的文件清理掉 这是Xcode的缓存文件
退出Xcode 重新打开项目
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