How Flutter works under the hood
summary
Explains that Flutter separates UI into widgets elements and render objects, shows the concrete pipeline from main through runApp and Flutter Inspector to the engine, and demonstrates that calling markNeedsBuild / setState only rebuilds the dirty element and submits a minimal layer tree to the GPU via vsync. Cites dates (initial 1.0 on 4 Dec 2018, Flutter 2.0 in 2021), notes Dart isolates and embedders, and gives a working example: recyclable infinite lists and real embedded use (Toyota infotainment).
AI-written summary · about
