Sharing Code between iOS & Android with Rust
summary
Compares Rust, Swift and Kotlin/Native with concrete benchmarks: small text-processing runs compile in ~1s compile time for Rust vs 5s+ for others, string-split runtime 0.06s Rust vs 3.14s Swift, chunking workload 1s Rust vs ~12s Swift, JSON parse 0.18s Rust vs 3s Swift, and average memory 6 MB Rust vs 138 MB Swift and 331 MB Kotlin. Shows a working Rust library exposed to Android via autogenerated Java bindings and to iOS via C FFI (build.rs integration), and demonstrates safe concurrency using Arc+Mutex to avoid data races.
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chapters (11)
- 0:00Introduction to talk
- 1:26Why share code between platforms
- 2:29Rust language overview
- 9:35Why Rust over C++
- 10:59Benchmarks comparison
- 20:32Rust principles in practice
- 21:15Demo Rust shared library
- 26:56Rust memory management
- 31:32Fearless concurrency in Rust
- 34:05Rust pros and cons
- 35:28When to use Rust for mobile
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