Android is moving to a 16 KB memory page size on new devices. This change can affect some apps, especially apps that use native code. Here is a very simple guide.
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What is 16 KB page size?
A page size is the basic block of memory used by the system. Older devices often use 4 KB. New devices can use 16 KB. It is faster and better for modern chips.
Who needs to care?
If your app is only Java or Kotlin, you are mostly safe. If your app uses C or C++ code (NDK), or uses native libraries, you should test and update.
What can break?
- The app crashes at startup
- The app does not install
- Some native features stop working
Simple steps to update your app
- Update Android Gradle Plugin and libraries
- Rebuild all native code
- Test on a device or emulator that uses 16 KB
- Fix crashes and rebuild again
How to test quickly
Use a new Android device or emulator that supports 16 KB. Install your app and use all main features. Check logs for native errors.
If you use third-party SDKs
Ask the SDK provider for a 16 KB compatible version. Update the SDK and test again.
App store readiness
Google Play will accept 16 KB compatible apps. A clean update keeps your app ranking safe and user reviews positive.
Key takeaways
- This update is about newer Android devices
- Native code needs extra testing
- A simple rebuild and test can fix most issues
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