I have an app where there is a website sign in page provided in a WebView. Once the user enters his details, the details are stored in SharedPreferences and the app communicates to a web API and receives a list of products depending on his credentials. The next time the user starts the app he doesn't need to sign in again and is directly taken to the page displaying the products. Everything worked fine and I uploaded the app on the play store.
After some time I made some changed to the app and uploaded the new version on the store. After I update the app the user if signed in should directly see the products page. But now after updation, he is shown the signin page again and even after sign in he gets a blank page instead of the products list.
I hope I am clear with my question. Kindly help me, as this is my first app on the store.