Register for a Google Play Developer Console Account Using this information, the appropriate pre-generated APK files are transferred onto the user’s device.Īlthough it is still possible to generate APK files from Android Studio, app bundles are now the recommended way to upload apps to Google Play. When a user installs the app, Google Play receives information about the user’s device including the display, processor architecture and locale. The project might, for example, include resources and images for different screen sizes. In fact, Google estimates that the conversion rate for an app drops by 1% for each 6MB increase in APK file size.Īndroid App Bundles solve both of these problems by providing a way for the developer to create a single package from within Android Studio and have custom APK files automatically generated by Google Play for each individual supported configuration (a concept referred to as Dynamic Delivery).Īn Android App Bundle is essentially a ZIP file containing all of the files necessary to build APK files for the devices and locales for which support has been provided within the app project. The conversion rate is calculated as a percentage of the users who completed the installation of an app after viewing that app on Google Play.
By analyzing app installation metrics, Google discovered that the larger an installation APK file becomes (resulting in longer download times and increased storage use on the device), the less conversions the app receives. The universal APK option, while less of a burden to the developer, caused an entirely unexpected problem. In order to support multiple devices types, screen sizes and locales this would require either the creation and upload of multiple APK files customized for each target device and locale, or the generation of a large universal APK containing all of the different configuration resources and platform binaries within a single package.Ĭreating multiple APK files involved a significant amount of work that had to be repeated each time the app needed to be updated imposing a considerable time overhead to the app release process. Prior to the introduction of Android Studio 3.2, the developer would generate one or more APK files using Android Studio and upload them to Google Play. This file contains everything needed to install and run the app on the user’s device. When a user installs an app from Google Play, the app is downloaded in the form of an APK file.
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