You store the upload key on your side and use it to sign the AAB or APK before uploading. Play App Signing – (applicable to APK and AAB, recommended) This flow uses two keys: an upload key and a private app signing key. If you lose the key, you lose the ability to update the app. To sign the APK with the key, use Android Studio, a Gradle task, or a command-line tool. The signing key never changes during the lifetime of the app. Private app signing key – (applicable to APK only) You directly sign the APK using a private app signing key. As well as APK, a bundle must be signed before uploading to Google Play. Pros: Google Play itself creates a number of APKs for each device configuration. Alternatively, you can create a single "non-optimized" APK.Īndroid App Bundle ( AAB) – a publishing format that includes app's binaries and other resources and defers APK generation to Google Play.
For better support for multiple devices, you should create a number of APKs optimized for each device. Then you can upload the APK to Google Play or distribute it separately. To verify the identity of the application developer, an APK file must be digitally signed with a private key. You can configure your Android build to produce artifacts in one of the following formats:Īndroid Application Package ( APK) – an archive that includes app's binaries, screenshots, and other resources. Basically, all you need to build an app is to run. So, all recommendations for building Kotlin and Java applications with Gradle can be applied to Android applications as well.
Typically, Android applications are built with the Gradle build tool. For the actual information, refer to the official Google documentation. Note that certain information might have changed since the date this topic was published. The contents of this topic are based on the information from /.
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