Google announces that you need to use 'Android App Bundle' instead of APK to publish Android apps on Google Play
As of July 2021, the standard file format of Android apps is APK, but from August 2021, Google announced that new apps on Google Play will need to be published as 'Android App Bundle (AAB)'. did.
About Android App Bundle | Android Developers | Android Developers
Android App Bundle replaces APK for new Google Play apps --9to5Google
https://9to5google.com/2021/06/29/android-app-bundle-new-default/
Google is moving away from APKs on the Play Store --The Verge
https://www.theverge.com/2021/6/30/22557390/google-apk-app-bundles-package-format-play-store
AAB is a new upload format that contains compiled source code and resources for your app. Google introduced AAB at Google I / O held in May 2018, and more than 1 million apps including Twitter, Netflix, Adobe are already using AAB.
In fact, when comparing the two, the Android app that uses AAB has an average file size that is 15% smaller. As a result, users will benefit from 'faster installation' and 'more storage'. On the other hand, IT news media The Verge pointed out the disadvantage that 'AAB is a format used only on Google Play, which complicates redistribution.'
In addition to the above, large extension files (OBB) need to be replaced with Play Asset Delivery or Play Feature Delivery. However, AAB replacement of APK is a requirement for newly published apps, and APKs can still be used for apps that have already been published.
On the other hand, in the case of 'Google Play Instant ' that can be used without installation, it is necessary to create an Instant compatible App Bundle for both new publication and application update.
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