It has one base module which contains all the necessary features that are shipped to the user.We can conclude the following things from the image above. Every app bundle always have one apk called base apk and it contains all the code that will be served to the user when downloaded for the first time. When we create an android app bundle, under the hood android create multiple apk for the different module and serve them as needed by the user.

How does app bundle work?Īndroid app bundle is nothing but a set of multiple apk combined into one. It solves these problems by introducing dynamic feature delivery and modularising the app. To solve these problems, google introduced Android app bundle. It will take more storage on the user device and also confuse them. For example, in an e-commerce app, we have a feature related to seller. Even though users don't need all features at installation time, the APK ships everything together.If your APK size is bigger, then it significantly reduces the number of downloads. APK bundles everything together so usually, the app with many features are huge.But there are some downside to using APK. APK is just a package of all our classes, library and resources files.

Until now we have used APK to distribute our apps. So what is the app bundle? should you use it in your app? Let's try to answer these questions in this blog post. I think you have heard the news that now google is supporting the Android app bundle for the release on google play.

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