Expansion files in the new Google Play developer console

Question

I am trying to upload my app to Google Play using the developer console. As of a week or so ago they have made it so that each app has a unique key string. You have to use t

Answer 1

This is a known issue of the Google developer console.

You can't add the expansion file to your first APK.
So if you are uploading for the first time, you will need to generate a second APK with a higher versionCode and upload it again. Only then, you will have the option to add your expansion file in the developer console.

From Google documentation:

Note: If you’re uploading a new app, expansion files can’t be added to the first APK file that you upload.