1、卸载Android Studio，在终端(terminal)执行以下命令：

rm -rf /Applications/Android\ Studio.app
rm -rf ~/Library/Preferences/AndroidStudio*
rm -rf ~/Library/Application\ Support/AndroidStudio*
rm -rf ~/Library/Logs/AndroidStudio*
rm -rf ~/Library/Logs/AndroidStudio
rm -rf ~/Library/Caches/AndroidStudio*

2、删除Projects

rm -rf ~/AndroidStudioProjects

3、删除gradle

rm -rf ~/.gradle

4、卸载Android Virtual Devices(AVDs) and *.keystore.

rm -rf ~/.android

5、删除Android SDK Tools

rm -rf ~/Library/Android*