Introduction to Flutter
summary
Flutter positions itself as a SwiftUI-like declarative UI that targets iOS (back to 8), Android (back to 16) and soon web/Mac/Windows, offering full pixel control from one codebase. It demonstrates hot reload for live editing, a development binary with Dart VM versus an AOT-compiled runtime (release binaries ~40MB), a rich widget tree (columns/rows/stacks, padding), dual themes via Material and Cupertino widgets, JSON→model mapping with ChangeNotifier for state, async futures, a working Google Maps plugin, list navigation, and a real bugfix PR upstream.
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