I have an app that I uploaded as an *.apk forever and a day ago. I'd like to upload a new app and in order to do that, it has to be an *.aab. But when I tried to do that, I got this error message: You uploaded an APK or Android App Bundle that is signed with a key that is also used to sign APKs th…

MIT App Inventor Community

From APK to AAB

MIT App Inventor Help

Anke December 5, 2025, 8:54am 17

Frank_Harr:

It would have also been helpful to know that last spring when I wanted to put a new app on Google Play.

App Signing publishing error for abb file MIT App Inventor Help

Export the current keystore and backup it. Delete the current keystore in the Designer (AI2). Reload the browser (not quite sure if necessary). Build the AAB (a new keystore is generated then). Upload AAB to the Play Store. [grafik]

Frank_Harr:

when I first wanted to migrate to .aab

Signatures for App Bundles MIT App Inventor Help

grafik1513×871 117 KB

How to upload and publish an app in the Play Store → AAB or APK Tutorials and Guides

If you want to upload and publish an app in the Play Store, the following should be observed: Apps that were published in the Play Store before Aug 1, 2021 can still be uploaded as APKs in the Play Developer Console (even after Nov 2021) and therefore do not need to switch to Google App Signing (which simplifies it). Apps that were published in the Play Store after July 31, 2021 must use AABs and also Google App Signing. To test such apps in advance, you should always have an APK generated…

show post in topic

Home
Categories
Guidelines
Terms of Service
Privacy Policy

Powered by Discourse, best viewed with JavaScript enabled