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Dart: tipe, null safety, async/await, futures, streams, isolates
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Arsitektur Flutter: Widget tree, Element tree, RenderObject tree
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Widgets: StatelessWidget vs StatefulWidget, siklus hidup (initState, build, dispose)
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Manajemen state: setState(), InheritedWidget, Provider, Riverpod, Bloc
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BuildContext: navigasi, Theme.of, MediaQuery, mengakses data inherited
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Layout widgets: Container, Row, Column, Stack, Flexible, Expanded
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Material Design: Scaffold, AppBar, BottomNavigationBar, Drawer, SnackBar
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Cupertino widgets: CupertinoPageScaffold, CupertinoNavigationBar, pickers
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Navigasi: Navigator.push/pop, named routes, Navigator 2.0, go_router
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Form dan input: TextField, Form, FormField, validasi, TextEditingController
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Daftar: ListView, ListView.builder, GridView, CustomScrollView, Slivers
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Networking: paket http, dio, REST APIs, serialisasi JSON (json_serializable)
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Penyimpanan lokal: shared_preferences, sqflite, hive, secure_storage
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Animasi: AnimatedContainer, AnimationController, Tween, Hero animations
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Platform channels: MethodChannel untuk integrasi kode native (Kotlin/Swift)
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Paket: pub.dev, firebase_core, flutter_bloc, freezed, go_router
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Pengujian: testWidgets, mockito, integration_test, golden tests
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Performa: const constructors, RepaintBoundary, ListView.builder, profiling
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Desain responsif: MediaQuery, LayoutBuilder, OrientationBuilder, AspectRatio
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Build dan deployment: flutter build, App Store/Play Store, CI/CD, flavors