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flutter/flutter-intellij · Archived

audit-ui-thread-safety

Prevent UI freezes and ensure a responsive user experience by validating threading rules and migrating blocking calls off the Event Dispatch Thread (EDT).

First seen Jul 20, 2026

Installation

$ npx skills add flutter/flutter-intellij --skill audit-ui-thread-safety
View on skills.sh ↗ GitHub repository ↗

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Also in this package

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npx skills add flutter/flutter-intellij
cleanup-code-inspections 8 code-review 8 audit-dependencies 7 audit-accessibility 7 migrate-intellij-util 6 verify-eap-compatibility 6 resolve-verification-issues 6 remove-platform-version 6 cleanup-unused-assets 6 add-missing-unit-test 6

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Repository health

Stars 2.0K
License LICENSE
Default branch main
Open issues 647
Status Archived

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 2,069 B
  • docs SUMMARY.md 184 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 7 installs

SKILL.md

Skill: UI Thread Safety & Responsiveness

You are tasked with preventing UI freezes and ensuring a responsive user experience by validating threading rules.

Objective

Prevent UI freezes and ensure a responsive user experience by validating threading rules.

Workflow Instructions

1. Baseline

  • Run ./gradlew test and ./gradlew verifyPlugin to ensure the project is in a good state before refactoring.

2. Audit EDT Usage

  • Search for usages of runInEdt, invokeLater, and invokeAndWait.

3. Identify Blocking Calls

  • Ensure no I/O operations (file access, network calls) or heavy computations occur within these UI blocks.

4. Migrate to Background

  • Refactor heavy tasks to run on background threads using Task.Backgroundable or ReadAction.nonBlocking.

5. Check Modality

  • Verify that modal dialogs do not block the UI thread unnecessarily.

6. Verify

  • Run ./gradlew testClasses to ensure safe refactoring.
  • Run ./gradlew test and ./gradlew verifyPlugin to ensure no regressions.
  • Run the plugin in a sandbox (./gradlew runIde) and perform key actions while monitoring for UI freezes.
  • Suggest manual test steps: Check the code changes made and write test steps for a user to execute that will trigger the code paths that have changed. If needed, add logging statements to verify that the code paths have successfully run.

7. Report & Review

  • Summarize the threading fixes.
  • Test Location: Explicitly state where in the IDE the user should go to test the changed functionality (e.g., "Go to Preferences > Languages & Frameworks > Flutter").
  • Action: Ask the user to review the changes closely to ensure no deadlocks or UI freezes are introduced.
  • Do not commit or push.
  • Provide a suggested Git commit message (e.g., "Fix UI freeze: Move heavy computation to background task").