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Flutter Performance Part 5: Breaking Limits with Rust & FFI
Push your Flutter app to the absolute limit. Learn how to achieve zero-overhead native communication using FFI and Rust, and when you should (and shouldn’t) use it.
Blog
Writing
Notes on Flutter and mobile development. Mostly things I had to figure out the hard way at work.
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Flutter Performance Part 4: Detoxing RAM & Shedding App Size
Stop Out-Of-Memory (OOM) crashes and reduce your download size. Learn the critical rules of Image Caching, hunting Memory Leaks, and analyzing your final build size.
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Flutter Performance Part 3: Freeing the Main Thread
Stop freezing your app during heavy data processing. Learn the difference between async/await and true concurrency, and how to use Isolate.run() to keep your UI silky smooth.
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Flutter Performance Part 2: Putting Your UI on a Diet
How Flutter actually decides what rebuilds, why extracting widgets into classes does not speed anything up by itself, and the techniques that measurably do: const, the child parameter, RepaintBoundary, and scoped state.
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Flutter Performance Part 1: Stop Guessing, Start Profiling
Measure first, optimize later. Stop guessing why your Flutter banking app is lagging and learn how to use DevTools, Profile Mode, and the Performance Overlay to find the real bottlenecks.