.AAB ファイル拡張子
Android App Bundle
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AABファイルとは？
An AAB file is an Android App Bundle that developers use for uploading apps to Google Play. After upload, Google Play uses a process called Dynamic Delivery to deliver optimized versions of app packages (.APK files) to user devices so they contain only the specific portions of the app that each device needs to run. With Dynamic Delivery, app install sizes can be reduced significantly on user devices.
詳細情報
Traditionally, developers have directly uploaded APK files to Google Play for distribution. However, with the release of the new Android App Bundle format, Google encourages developers to switch to the new format using Android Studio 3.2 or later. Once an AAB file has been uploaded to Google Play, Dynamic Delivery automatically creates and code signs optimized APK files.
注: App bundles cannot be installed as Android apps on user devices. Instead, they are meant to be used for generating APK files for specific device configurations. If you'd like to generate APK files from an AAB file, you can use a tool called bundletool. Google provides this utility so that developers can perform local device testing before submitting app bundles to Google Play.