Flutter

Dart: 타입, null safety, async/await, futures, streams, isolates

Flutter 아키텍처: Widget tree, Element tree, RenderObject tree

Widgets: StatelessWidget vs StatefulWidget, 수명 주기 (initState, build, dispose)

상태 관리: setState(), InheritedWidget, Provider, Riverpod, Bloc

BuildContext: 네비게이션, Theme.of, MediaQuery, inherited 데이터 접근

레이아웃 위젯: Container, Row, Column, Stack, Flexible, Expanded

Material Design: Scaffold, AppBar, BottomNavigationBar, Drawer, SnackBar

Cupertino 위젯: CupertinoPageScaffold, CupertinoNavigationBar, pickers

네비게이션: Navigator.push/pop, named routes, Navigator 2.0, go_router

폼과 입력: TextField, Form, FormField, 유효성 검사, TextEditingController

리스트: ListView, ListView.builder, GridView, CustomScrollView, Slivers

네트워킹: http 패키지, dio, REST APIs, JSON 직렬화 (json_serializable)

로컬 저장: shared_preferences, sqflite, hive, secure_storage

애니메이션: AnimatedContainer, AnimationController, Tween, Hero animations

Platform channels: 네이티브 코드 통합을 위한 MethodChannel (Kotlin/Swift)

패키지: pub.dev, firebase_core, flutter_bloc, freezed, go_router

테스트: testWidgets, mockito, integration_test, golden tests

성능: const constructors, RepaintBoundary, ListView.builder, profiling

반응형 디자인: MediaQuery, LayoutBuilder, OrientationBuilder, AspectRatio

빌드와 배포: flutter build, App Store/Play Store, CI/CD, flavors