命令行运行react-native 项目时，报错：xcrun: error: unable to find utility "instruments", not a developer tool or in PATH

解决方法：在 终端执行如下命令 sudo xcode-select -s /Applications/Xcode.app/Contents/Developer/

注意：前提是你已经安装了xcode

原文地址：http://www.th7.cn/Program/IOS/201612/1035506.shtml

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