Support for Xamarin ended May 1, 2024. So, it is strongly recommended to migrate your app to the .Net Maui. Please check: document .
Starting __November 1,2025__, all new apps and updates targeting __Android 15+__ submitted to Google Play must support __16KB memory page sizes__. This change is aimed at improving app performance, battery efficiency, and compatibility with modern devices.
Why 16KB Page Sizes Matter
The shift from the traditional 4KB page size to 16KB allows for more efficient memory management. Benefits include:
- Faster app launches (up to 30% improvement for some apps).
- Improved battery life (~4.5% reduction in power usage during launches).
- Quicker system boot times (~8% faster).
- Better camera startup performance (4.5–6.6% faster).
Starting with Android 15, devices may use a 16 KB memory page size instead of the traditional 4 KB. This change can cause compatibility issues for apps, especially those using native libraries or frameworks like .NET MAUI. Apps must be updated to support this configuration to ensure proper functionality.
Example Issue
Running a .NET MAUI app on an Android 15 emulator configured with 16 KB page sizes may result in crashes during startup due to misaligned shared libraries.
warning XA0141: Android 16 will require 16 KB page sizes, shared library 'libExample.so' does not have a 16 KB page size
Steps to Ensure Compatibility
1.Update Native Libraries
If your app uses native libraries (e.g., via NDK or third-party SDKs), ensure they are compiled with 16 KB ELF alignment. For example, update your Android.mk file:
LOCAL_LDFLAGS += "-Wl,-z,max-page-size=16384"
2. Upgrade Build Tools
Use the latest versions of the Android Gradle Plugin (AGP) and NDK:
- AGP version 8.5.1 or higher.
- NDK version r28 or higher (compiles with 16 KB alignment by default).
3. Rebuild and Test
Rebuild your app with updated tools and test it in a 16 KB environment using:
- Android Emulator with a 16 KB system image.
- Real devices supporting 16 KB page sizes (e.g., Pixel 8).
adb shell getconf PAGE_SIZE
# Output should be: 16384
4. Avoid Hardcoded Page Sizes
Replace any hardcoded PAGE_SIZE constants in your code with dynamic values:
import os
page_size = os.sysconf("SC_PAGESIZE")
By following these steps, you can ensure your MAUI app is compatible with Android devices using 16 KB page sizes