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fix: Prevent disposed RenderObject error in chart widgets (Flutter 3.32.6+) #2396

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fix: Prevent disposed RenderObject error in chart widgets (Flutter 3.32.6+) #2396

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ahmtydn
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@ahmtydn ahmtydn commented Jul 15, 2025

This PR fixes the "A disposed RenderObject was mutated" error that occurs when disposing chart widgets in Flutter 3.32.6 and later.

  • Adds guards to ensure refresh() and markNeedsLayout() are not called after the RenderObject is disposed.
  • Prevents mutation of disposed RenderObjects in chart element widgets.
  • Resolves navigation and disposal issues with Syncfusion charts on recent Flutter versions.

Closes: #2394

Tested on Flutter 3.32.6 and confirmed the error no longer occurs when navigating away from a chart page.

Thank you!

@sfHariHaraSudhan sfHariHaraSudhan added charts Charts component open Open labels Jul 16, 2025
@kjeremy
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kjeremy commented Jul 16, 2025 •
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This fixes the crash for me on Windows

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Charts regression in Flutter 3.32.6: disposed RenderObject was mutated
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@ahmtydn @kjeremy @sfHariHaraSudhan