Learn FLUTTER with Real Code Examples
Updated Nov 17, 2025
Installation Setup
Install Flutter SDK
Install Android Studio/Xcode
Set PATH variable to Flutter bin
Install device simulators
Run flutter doctor to validate setup
Environment Setup
Install Flutter SDK
Install IDE (VSCode or Android Studio)
Install mobile platform SDKs
Connect device or emulator
Config Files
pubspec.yaml
analysis_options.yaml
firebase_options.dart
build.gradle and Info.plist for native configs
Cli Commands
flutter create
flutter pub get
flutter run
flutter build apk/ipa
flutter analyze
Internationalization
Flutter intl package
ARB files for translation
Localization delegates
Region-specific formats
Accessibility
Semantics widget support
Screen reader compatibility
Color contrast and scalable fonts
Ui Styling
Material & Cupertino design
Custom themes
Adaptive layouts
Widget composition
State Management
setState for simple
Provider/BLoC for scalable apps
Riverpod for modern reactive state
Redux/MobX for structured architecture
Data Management
Dart collections & models
Firestore, Supabase, local storage
REST/GraphQL data
Streams for real-time updates