Learning & Support


Deploying an Android app in Google Play

Twixl Support Team Updated: - Created :


    Read this important information about Google Play App Signing here, before you start uploading apps to Google Play.

    1. Requirements for Android apps

    2. Uploading to Google Play

    Uploading to Google Play is very straightforward. When you create an Android build, Twixl Publisher will generate two app files, one with extension .apk. and a second one with extension .aab (Android App Bundle).

    .apk : this is the original extension that will become deprecated as of August 2021 for new apps, and November 2021 for updates of existing apps.

    .aab : this is the new format that will be required as of August 2021 for new apps, and November 2021 for updates of existing apps.

    We recommend you move to the Android App Bundle with your next update.

    .apk remains the format that you can use for sideloading an app on an Android device, or for in-house distribution.

    2.1. Creating a new application

    When you login to your Android Developer Account, select ‘Create Application‘.

    2.2. Create New Release

    In the sidebar, under 'Release', select 'Production', then click 'Create New Release'.

    Now you can upload your .aab (or .apk) file.

    3. Add artwork

    When the file has been uploaded, you should also upload your artwork. A couple of things are required:

    2 application screenshots:

    These should be any of the following sizes:

    • 320 x 480, 480 x 800, 480 x 854, 1280 x 720, 1280 x 800
    • 24-bit PNG or JPEG (no alpha)

    High Resolution Application Icon:

    • 512 x 512 pixels
    • 32-bit PNG or JPEG
    • Maximum: 1024 Kb

    The final steps to deploy your application to Google Play are: click ‘Publish‘ and ‘Activate‘ your application. It can take a couple of hours before your app will become available in the Google Play store. 

    4. Android Keystore

    For more details about the Android Keystore, please check this article. If you are migrating your app from another platform, check out this paragraph specifically.

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