Skills

Flutter Dev

Flutter cross-platform development guide covering widget patterns, Riverpod/Bloc state...

Install

npx skills add MiniMax-AI/skills --skill flutter-dev -g -a claude-code -y
Repository
MiniMax-AI/skills13.8k
Category
Testing
Updated
7mo ago
License
MIT
Context cost
Lightabout 1,104 tokens
Runs scripts
No, instructions only

What it does

Flutter cross-platform development guide covering widget patterns, Riverpod/Bloc state management, GoRouter navigation, performance optimization, and platform-specific implementations. Includes const optimization, responsive layouts, testing strategies, and DevTools profiling. Use when: building Flutter apps, implementing state management (Riverpod/Bloc), setting up GoRouter navigation, creating custom widgets, optimizing performance, writing widget tests, cross-platform development.

Flutter Development Guide

A practical guide for building cross-platform applications with Flutter 3 and Dart. Focuses on proven patterns, state management, and performance optimization.

Quick Reference

Widget Patterns

PurposeComponent
State management (simple)StateProvider + ConsumerWidget
State management (complex)NotifierProvider / Bloc
Async dataFutureProvider / AsyncNotifierProvider
Real-time streamsStreamProvider
NavigationGoRouter + context.go/push
Responsive layoutLayoutBuilder + breakpoints
List displayListView.builder
Complex scrollingCustomScrollView + Slivers
HooksHookWidget + useState/useEffect
FormsForm + TextFormField + validation

Performance Patterns

PurposeSolution
Prevent rebuildsconst constructors
Selective updatesref.watch(provider.select(...))
Isolate repaintsRepaintBoundary
Lazy listsListView.builder
Heavy computationcompute() isolate
Image cachingcached_network_image

Core Principles

Widget Optimization

  • Use const constructors wherever possible
  • Extract static widgets to separate const classes
  • Use Key for list items (ValueKey, ObjectKey)
  • Prefer ConsumerWidget over StatefulWidget for state

State Management

  • Riverpod for dependency injection and simple state
  • Bloc/Cubit for event-driven workflows and complex logic
  • Never mutate state directly (create new instances)
  • Use select() to minimize rebuilds

Layout

  • 8pt spacing increments (8, 16, 24, 32, 48)
  • Responsive breakpoints: mobile (<650), tablet (650-1100), desktop (>1100)
  • Support all screen sizes with flexible layouts
  • Follow Material 3 / Cupertino design guidelines
Read the whole SKILL.md on GitHub

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