備註：當Android studio update後，發生問題

1.刪除Android studio全部資料
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*



2.配置



















3.preferences設定

Font=> size 18,Line spacing 1.2
Editor -> General -> Auto Import -> add unambiguous imports on the fly
Editor -> General -> Auto Import -> optimize imports on the fly