Android studio “SDK tools directory is missing”
    Following 2 possible solutions will resolve this problem :      Solution1 :     To fix the problem, it was required that I list the path to my corporate PAC file by using  Configure -> "Appearance and Behavior" -> System Settings -> HTTP Proxy . I selected "Automatic proxy configuration url:"  Delete your  ~/.Android*  folders (losing all of your settings :/).  Run Android Studio. It will show you a welcome wizard where it tries to download the SDK again (and fails due to my rubbish internet).  Click the X on the wizard window. That will enable you to get to the normal welcome dialog.  Go to Settings->Project Defaults->Project Structure and change the Android SDK location to the correct one.      Solution 2 :   To fix the problem, it was required that I list the path to my corporate PAC file by using  Configure -> "Appearance and Behavior" -> System Settings -> HTTP Proxy . I selected "Automatic proxy configuration url:...
