flutter-dart

Teach Flutter async patterns for futures, streams, and isolates.

1|Updated Feb 3, 2026
One-click install
npx skills add https://github.com/Melsaeed276/flutter-agent-skills --skill flutter-dart
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: flutter-dart
Source: https://github.com/Melsaeed276/flutter-agent-skills/tree/main/flutter-skill-cloud/dart
Command: npx skills add https://github.com/Melsaeed276/flutter-agent-skills --skill flutter-dart

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This hub helps Flutter developers manage Dart's async primitives, null safety, and immutable data patterns to prevent common bugs such as setState after dispose, stale results, and jank from CPU-heavy work.

Core Features & Use Cases

  • Async correctness: manage Futures/Streams with cancellation and timeouts.
  • Null safety & immutability: model data safely at boundaries and propagate non-null types.
  • Isolates & off-main-thread work: move CPU-intensive tasks away from UI thread.
  • Defensive patterns: cancel or ignore stale async results to prevent UI flicker.

Quick Start

Implement a small Flutter example that uses an owner and a generation counter to cancel or ignore stale async responses.

Frequently Asked Questions about flutter-dart

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I prevent setState after dispose errors in Flutter async calls?

Avoid stale async results by applying a generation counter pattern that checks if the widget is still mounted before updating state. This prevents UI flicker and lifecycle bugs when network responses arrive after disposal.

What is the best way to handle CPU-bound work without jank in Flutter?

Move CPU-intensive tasks to Dart isolates to execute work off the UI thread. This prevents jank and keeps Flutter animations smooth during heavy computational operations.

How do I implement cancellation and timeouts for Dart Futures and Streams?

Apply safe async patterns to manage Futures and Streams with explicit cancellation and timeout logic. This prevents race conditions in network calls and ensures operations terminate gracefully.

Why do I need null safety and immutability for data modeling in Dart?

Null safety and immutability model data safely at boundaries and propagate non-null types across your app. This prevents null reference errors and unexpected state mutations during async operations.

Does this Dart async pattern approach work for race conditions in network calls?

Yes, this approach resolves race conditions in network calls by applying cancellation and generation counters to ignore stale responses. It ensures only the most recent async result updates the UI.