I\'ve integrated the APK Expansion file download library from Google into my project, and it works more or less OK (except a few minor gotchas, which have been reported by o
There are two standard ways to get the expansion files.(you can take it as assumption).
obvious location
or not.This way your app will behave as usual. The best part of this approach is you have an option to place a request to download the files.
these are the notes from developer site.
Note: The URL that Google Play provides for your expansion files is unique for every download and each one expires shortly after it is given to your application.
Note: Whether your application is free or not, Google Play returns the expansion file URLs only if the user acquired your application from Google Play.
Here is how to use
Here is how to place download request
Hope this will help you to get the result.