16KB Page Size Support

[Dheenul-wrg]

Hi Team,

We are currently using the latest version of firebase_crashlytics in our Flutter application. During verification, we noticed inconsistencies in 16KB page size support across different tools.

Steps to Reproduce:

1. Add firebase_crashlytics: ^<latest_version> in pubspec.yaml.
2. Build a release APK: flutter build apk --release
3. Extract the APK → navigate to the APK folder.
4. Run the following command on the native binaries (replace <ndk_version> with your installed NDK version):

for f in lib/*/*.so; do
  echo ">>> Checking $f"
  ~/Library/Android/sdk/ndk/<ndk_version>/toolchains/llvm/prebuilt/darwin-x86_64/bin/llvm-readelf -l "$f" | grep LOAD
done

Terminal Output:

>>> Checking lib/arm64-v8a/libfirebase_crashlytics.so
  LOAD           0x000000 0x0000000000000000 0x0000000000000000 0x2b3c00 0x2b3c00 R E 0x1000
  LOAD           0x2b3c00 0x00000000002b3c00 0x00000000002b3c00 0x012340 0x012340 RW 0x1000
  LOAD           0x2c5f40 0x00000000002c5f40 0x00000000002c5f40 0x005000 0x005000 RW 0x1000

>>> Checking lib/arm64-v8a/libsentry-android.so
  LOAD           0x000000 0x0000000000000000 0x0000000000000000 0x0032b0 0x0032b0 R E 0x1000
  LOAD           0x0032b0 0x00000000000042b0 0x00000000000042b0 0x000390 0x000390 RW 0x1000

>>> Checking lib/arm64-v8a/libsentry.so
  LOAD           0x000000 0x0000000000000000 0x0000000000000000 0x11d610 0x11d610 R E 0x1000
  LOAD           0x11d610 0x000000000011e610 0x000000000011e610 0x009f30 0x009f30 RW 0x1000
  LOAD           0x127540 0x0000000000129540 0x0000000000129540 0x000168 0x002080 RW 0x1000

Android Studio Analyse APK tool does not show warnings about page size.
CLI verification via readelf indicates missing 16KB page size support.

Environment

• Flutter: 3.32.5
• sqlite3_flutter_libs: 0.5.39
• Compile SDK: 23
• Target SDK: 35

Expected Behaviour:
We expected firebase_crashlytics and its related libraries (libsentry-android, libsentry) to provide full 16KB page size support.

It would be really helpful if we could get a solution to this 16KB page size support.