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Device capability for billions

Reaching new users means supporting an increasing variety of Android platform versions and device specifications. To improve the user experience, optimize for common RAM configurations, and screen sizes and resolutions.

Support multiple screen sizes

Your app can provide a better user experience for billions of users if it supports screens of various sizes and resolutions. This section describes a few ways you can do this.

Use density-independent pixels (dp)

Test text and graphics on ldpi and mdpi screen densities

Test layouts on small and medium screen sizes

Provide backward compatibility

Not all of your users may be using devices powered by the latest, greatest version of the Android platform. Here are some ways you can improve backward compatibility, helping make your app available to as many people as possible.

Set your targetSdkVersion and minSdkVersion appropriately

Use the Android Support libraries

Use Google Play services

Use memory efficiently

Memory is an unsung hero of the user experience. Good memory management can make your app more stable and more performant; in some cases, its effective use may be the only thing making your app usable at all. Here are some ways you can help your app use memory wisely.

Reduce memory footprint on low-cost devices

Avoid long-running processes

Benchmark memory use

Android Studio provides memory benchmarking and profiling tools, enabling you to measure memory use at run time. Benchmarking your app's memory footprint enables you to monitor memory use over multiple versions of the app. This can help catch unintentional memory footprint growth. Use the Memory Profiler tool to do the following:

For more information about benchmarking memory use, see View the Heap and Allocations with Memory Profiler.

Optimize for devices running Android (Go edition)

Android (Go edition) is an optimized experience for entry-level devices with ≤1GB RAM, starting with Android Oreo (Go edition). To ensure your app runs great on Android (Go edition) devices, you should should take into account the following guidelines:

We recommend that most developers optimize their existing app, which will be available on all Android (Go edition) devices, because making your app run faster and lighter will benefit your whole audience. You can use the Multiple APK feature on the Play Console to distribute a specific APK for Android (Go edition) devices but you should only do so without compromising the experience (e.g. you should avoid removing features). The APK targeting Android (Go edition) devices needs to declare <uses-feature android:name="android.hardware.ram.low" android:required="true">, target at least API Level 26, and have a higher version code than the non-Go edition APK.

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For more information about specifying the API level your app requires, read Supporting Different Platform Versions.

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