[dart_mcp_server] flutter_driver: expose set_frame_sync command#392
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Ortes wants to merge 2 commits intodart-lang:mainfrom
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[dart_mcp_server] flutter_driver: expose set_frame_sync command#392Ortes wants to merge 2 commits intodart-lang:mainfrom
Ortes wants to merge 2 commits intodart-lang:mainfrom
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Uncomment set_frame_sync from the flutter_driver_command enum so agents can disable frame synchronization for apps with continuous animations (Rive, Lottie, etc.) that cause tap/waitFor to time out. Fixes dart-lang#391
jakemac53
reviewed
Mar 12, 2026
| ), | ||
| ParameterNames.enabled: Schema.string( | ||
| description: | ||
| 'Used by set_text_entry_emulation, defaults to ' |
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nit: Add a note here about set_frame_sync as well
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Fixes #391.
Change
Uncomment
set_frame_syncfrom theflutter_driver_commandenum indtd.dart. Theenabledparameter was already present in the schema — this is a one-line change.Why
Apps with continuous animations (Rive, Lottie, loading spinners) keep
SchedulerBinding.transientCallbackCount > 0indefinitely, causingtap,waitFor, and other finder-based commands to always time out. Callingset_frame_syncwithenabled: falsedisables frame synchronization for the session, unblocking those commands — but it was unreachable through the MCP tool due to the enum restriction.