1.卸載刪除 xcode
1.1.刪除軟件和用戶文件
sudo rm -rf /Applications/Xcode.app
rm -rf ~/Library/Preferences/com.apple.dt.Xcode.plist
rm -rf ~/Library/Caches/com.apple.dt.Xcode
rm -rf ~/Library/Application\ Support/Xcode
1.2.刪除開發者文件
rm -rf ~/Library/Developer/Xcode
rm -rf ~/Library/Developer/CoreSimulator
rm -rf ~/Library/Developer/XCPGDevices
1.3.卸載開發工具
sudo /Developer/Library/uninstall-devtools –mode=all