docs(flutter): Add ANR and App Hangs guidance#17881
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Document Flutter responsiveness detection and clarify required debug symbols for readable Android ANR and Apple App Hang stack traces. Co-authored-by: Cursor <cursoragent@cursor.com>
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Clarify where ANR and App Hang symbolication details belong and keep the configuration page focused on the feature-level guidance. Co-authored-by: Cursor <cursoragent@cursor.com>
Keep the ANR and App Hangs page metadata consistent with the page title. Co-authored-by: Cursor <cursoragent@cursor.com>
Consolidate the platform event naming text on the Flutter ANR and App Hangs page. Co-authored-by: Cursor <cursoragent@cursor.com>
Tighten the ANR and App Hang stack trace guidance to explain why each platform's debug files are needed. Co-authored-by: Cursor <cursoragent@cursor.com>
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Pull request overview
Adds Flutter-specific documentation for ANR and App Hang detection, linking the new guidance from Flutter features, configuration options, and debug-symbol upload docs.
Changes:
- Adds a new Flutter configuration page for ANR/App Hang detection, runtime pause/resume, and symbolication guidance.
- Updates the Flutter features page to point to the new consolidated guide.
- Adds ANR/App Hang symbolication details to the Dart plugin debug-symbols include.
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
docs/platforms/dart/guides/flutter/configuration/anr-app-hangs.mdx |
Adds the new Flutter ANR/App Hangs guide. |
docs/platforms/dart/guides/flutter/configuration/options.mdx |
Links the anrEnabled option to the new guide. |
docs/platforms/dart/guides/flutter/features/index.mdx |
Replaces separate native links with the new Flutter-specific ANR/App Hangs link. |
platform-includes/debug-symbols/dart-plugin/dart.flutter.mdx |
Documents symbolication requirements for ANR/App Hang events. |
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Apply Prettier formatting to the touched Flutter docs files so the PR lint checks pass. Co-authored-by: Cursor <cursoragent@cursor.com>
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Cursor Bugbot has reviewed your changes and found 1 potential issue.
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Use regular links for Android and Apple docs from the Flutter ANR and App Hangs page. Co-authored-by: Cursor <cursoragent@cursor.com>
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@coolguyzone is this PR good to go? |
romtsn
reviewed
May 29, 2026
| ```dart | ||
| await SentryFlutter.init( | ||
| (options) { | ||
| // Android only: ANR |
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dunno if it makes sense to also expose anrProfiling options? but that's probably for a separate PR
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we dont expose it yet
I'll test it and see if it's useful for Flutter use cases
romtsn
approved these changes
May 29, 2026
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DESCRIBE YOUR PR
Adds Flutter-specific ANR and App Hangs documentation.
Closes getsentry/sentry-dart#3649
IS YOUR CHANGE URGENT?
SLA
Thanks in advance for your help!
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