以下操作，全部在终端(terminal)中执行：
卸载android studio
rm -Rf /Applications/Android\ Studio.app
rm -Rf ~/Library/Preferences/AndroidStudio*
rm ~/Library/Preferences/com.google.android.studio.plist
rm -Rf ~/Library/Application\ Support/AndroidStudio*
rm -Rf ~/Library/Logs/AndroidStudio*
rm -Rf ~/Library/Caches/AndroidStudio*
卸载gradle
rm -Rf ~/.gradle
卸载Android Virtual Devices(AVDs) and *.keystore.
rm -Rf ~/.android
删除Android SDK Tools
rm -Rf ~/Library/Android*
删除Projects
rm -Rf ~/AndroidStudioProjects
