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需要安装Xcode、CocoaPods
注意： 不同的Mac系统对应的Xcode版本不同，本人使用的系统是macOS Mojave 10.14.6；
在安装Xcode的时候入了不少坑，安装Xcode最新版本时，对系统要求不同，如：Xcode 11.4.1 supporting developping apps for IOS 13.4,iPadOS 13.4, MacOS Catalina 10.15.4, flutter latest，当我安装最新的Xcode，提醒我需要先更换系统，然而我并不想更换系统，以下是我的解决方案： 由于我的mac系统是10.14，所以我选择的Xcode v10.1，flutter v1.9.1+hotfix.6-stable，目前flutter最新的版本是v1.12.13+hotfix.9-stable,CocoaPods 1.9.1
这些安装完后就可以通过vscode开发啦！