The identifier refers to a significant open issue in the Flutter repository: " Cannot customize size of SegmentedButton #124539 ."
According to the Flutter GitHub issue, the development of this feature involves: 124539
: Ensuring the widget respects VisualDensity , which is a common way Flutter handles compact or expanded UI layouts. Alternative Reference The identifier refers to a significant open issue
: Adding minimumSize , maximumSize , and fixedSize to the SegmentedButton 's internal style mapping to allow developers to control its physical dimensions. 124539
: Correcting a specific logic error in the code that incorrectly references disabledState instead of enabledState .