Based on my last question - I downloaded Android Studio (without the SDK) 2.2.3.0 from this link (https://dl.google.com/dl/android/studio/install/2.2.3.0/android-studio-ide-
I have found a solution which involve changing the default of android studio. Create an empty folder namely 'platforms' in your downloaded SDK Go to Configure->project setting ->Specify path to your SDK. Link is: https://askubuntu.com/questions/989007/sdk-is-missing-error-android-studio
This has worked for me using latest downloaded SDK.