This document offers a high-level view of typical development and testing phases that can help you make a plan for readiness that’s well-aligned with the platform release timeline and ensures a great experience for your users on Android 14.
With each release of Android, we introduce new features as well as behavior changes aimed at making Android more helpful, more secure, and more performant. In many cases your app will work exactly as expected out-of-the-box, while in other cases you might need to update your app to adapt to the platform changes.
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Users can start receiving the new platform as soon as the source code is released to AOSP (Android Open Source Project), so it’s important for your apps to be ready, performing as expected for users and ideally taking advantage of new features and APIs to get the most out of the new platform.
A typical migration has two phases, which can be concurrent:
- Ensuring app compatibility (by Android 14 final release)
- Targeting the new platform features and APIs (as soon as possible after final release)
Ensure compatibility with Android 14
It’s important to test the functionality of your existing app against Android 14 to ensure a great experience for users updating to the latest version of Android. Some platform changes can affect the way your app behaves, so it’s important to test early and thoroughly and make any needed adjustments to your app.
You can usually adjust your app and publish an update without needing to change the app’s targetSdkVersion. Similarly, you shouldn’t need to use new APIs or change the app’s compileSdkVersion, although this can depend on the way your app is built and the platform functionality it’s using.
Before you start testing, be sure to familiarize yourself with the behavior changes for all apps. These changes might affect your app, even if you don’t change its targetSdkVersion.
Perform compatibility testing
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For the most part, testing compatibility with Android 14 is similar to ordinary app testing. This is a good time to review the core app quality guidelines and best practices for testing.
To test, install your current published app on a device running Android 14, and work through all the flows and functionality while looking for issues. To help you focus your testing, review the behavior changes for all apps introduced in Android 14 that can affect how your app functions or cause your app to crash.
Also make sure to review and test for uses of restricted non-SDK interfaces. You should replace any restricted interface your app uses with a public SDK or NDK equivalent. Watch for logcat warnings that highlight these accesses, and use the StrictMode method detectNonSdkApiUsage() to catch them programmatically.
Last, make sure to fully test the libraries and SDKs in your app to make sure they work as expected on Android 14 and follow best practices for privacy, performance, UX, data handling, and permissions. If you find an issue, try updating to the latest version of the SDK, or reach out to the SDK developer for help.
When you’ve finished your testing and made any updates, we recommend publishing your compatible app right away. This lets your users test the app early and helps ensure a smooth transition for your users as they update to Android 14.
Update the app’s targeting and build with new APIs
Once you’ve published a compatible version of your app, the next step is to add full support for Android 14 by updating its targetSdkVersion and taking advantage of new APIs and capabilities in Android 14. You can make these updates as soon as you’re ready, keeping in mind the Google Play requirements for targeting the new platform.
As you plan your work to fully support Android 14, review the behavior changes that affect apps targeting Android 14. These targeted behavior changes might cause functional issues you then need to address. In some cases, these changes require significant development, so we recommend learning about and addressing them as early as possible. To help identify specific behavior changes that affect your app, use the compatibility toggles to test your app with selected changes enabled.
The following steps describe how to fully support Android 14.
Get the SDK, change targeting, build with new APIs
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To start testing for full Android 14 support, use the latest preview version of Android Studio to download the Android 14 SDK and any other tools you need. Next, update your app’s targetSdkVersion and compileSdkVersion, and re-compile the app. See the SDK setup guide for details.
Test your Android 14 app
Once you’ve compiled the app and installed it on a device running Android 14, begin testing to ensure that the app works properly when targeting Android 14. Some behavior changes apply only when your app is targeting the new platform, so you’ll want to review those changes before getting started.
As with basic compatibility testing, work through all the flows and functionality looking for issues. Focus your testing on the behavior changes for apps targeting Android 14. It’s also a good time to check your app against the core app quality guidelines and best practices for testing.
Make sure to review and test for uses of restricted non-SDK interfaces that may apply. Watch for logcat warnings that highlight these accesses and use the StrictMode method detectNonSdkApiUsage() to catch them programmatically.
Last, make sure to fully test the libraries and SDKs in your app to make sure they work as expected on Android 14 and follow best practices for privacy, performance, UX, data handling, and permissions. If you find an issue, try updating to the latest version of the SDK, or reach out to the SDK developer for help.
Test using app compatibility toggles
Android 14 includes compatibility toggles that make it easier to test your app with targeted behavior changes. For a debuggable app, the toggles let you:
- Test targeted changes without actually changing the app’s targetSdkVersion. You can use the toggles to force-enable specific targeted behavior changes to evaluate the impact on your existing app.
- Focus your testing on specific changes only. Rather than having to address all targeted changes at once, the toggles let you disable all targeted changes except the ones you want to test against.
- Manage toggles through adb. You can use adb commands to enable and disable the toggleable changes in your automated test environment.
- Debug faster using standard change IDs. Toggleable changes each have a unique ID and name that you can use to quickly debug root cause in log output.
As you prepare for changing your app’s targeting, or while you in active development for Android 14 support, the toggles can help. For more information, see Compatibility framework changes (Android 14).
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