rust_on_mobile
A guide for building and integrating Rust libraries into iOS and Android mobile applications.
What is rust_on_mobile?
Geal/rust_on_mobile is a practical guide and example project for embedding Rust code in mobile applications. It provides step-by-step instructions for cross-compiling a Rust library to work on both iOS (via CocoaPods) and Android (via JNI), addressing challenges like multi-architecture support and platform-specific integration.
Mobile developers (iOS and Android) who want to integrate Rust libraries into their apps for performance-critical or safety-sensitive components, and Rust developers looking to deploy their code to mobile platforms.
It offers concrete, tested examples and scripts for automating the build and linking process, reducing the friction of combining Rust with mobile toolchains. Unlike generic tutorials, it tackles real-world issues like CocoaPods packaging, JNI binding creation, and cross-compilation for multiple architectures.
Overview
This project provides a comprehensive walkthrough for embedding Rust code in mobile applications, covering both iOS (via CocoaPods) and Android (via JNI). It addresses the practical challenges of cross-compilation, library packaging, and platform-specific integration.
Key Features
- Cross-Platform Rust Library — Build a single Rust codebase that targets both iOS and Android architectures.
- iOS CocoaPods Integration — Package the Rust library as a CocoaPod for seamless integration into iOS projects.
- Android JNI Bindings — Create Java Native Interface (JNI) bindings to call Rust functions from Android Java/Kotlin code.
- Multi-Architecture Support — Generate universal binaries for iOS (arm64, armv7, x86_64) and Android (armeabi, armeabi-v7a).
- Build Automation — Includes scripts and configuration examples for automating the build and linking process.
Philosophy
The project emphasizes practical, step-by-step guidance for developers who want to leverage Rust's performance and safety in mobile environments, while navigating the complexities of cross-platform native integration.
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