flutter_zstd_safe #

A minimal, production-ready Flutter plugin for Zstandard (zstd) compression on Android, built with NDK r26 and 16 KB page size support.

Features #

• 🚀 Fast: Uses Facebook's official zstd C library.
• 🛡️ Safe: Namespace-isolated JNI symbols to avoid collisions.
• ✅ Google Play Ready: Compliant with Android 15's 16 KB page size requirement.
• 📱 Android Support:
  • arm64-v8a, armeabi-v7a, x86_64
  • NDK r26.3.11579264

Usage #

import 'package:flutter_zstd_safe/flutter_zstd_safe.dart';

// Compress data
final Uint8List input = ...;
final Uint8List? compressed = await FlutterZstdSafe.compress(input);

if (compressed != null) {
  print('Original: ${input.length}, Compressed: ${compressed.length}');
}

Installation #

Add to your pubspec.yaml:

dependencies:
  flutter_zstd_safe: ^1.0.1

Android Configuration #

This plugin automatically configures the necessary NDK version and ABI filters. No additional setup in your android/build.gradle is usually required.

However, ensure your app supports the ABIs provided:

• arm64-v8a
• armeabi-v7a
• x86_64

License #

MIT License. See LICENSE for details.