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LateInitializationError: Field '_selectedItemIndex@25278355' has not been initialized. #17

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prateekmedia opened this issue Aug 4, 2021 · 1 comment

prateekmedia commented Aug 4, 2021

════════ Exception caught by widgets library ═══════════════════════════════════
The following LateError was thrown building CollapsibleSidebar(
dirty, dependencies: [_EffectiveTickerMode], state: 
_CollapsibleSidebarState#b9f65(ticker inactive)):

LateInitializationError: Field '_selectedItemIndex@25278355' has not been initialized.

This error is related to null safety and late initialization of _selectedItemIndex parameter.

luimot commented Aug 23, 2021

I had the same Exception thrown and after reading some of the example code available, it seems that _selectedItemIndex is null until setting

isSelected: true

to a CollapsibleItem in the List of items

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