groupValue property

T groupValue

Creates a RadioButton group

The groupValue is the selected value. The items are elements to contruct the group onChanged will called every time a radio is selected. The clouser return the selected item. direction most be horizontal or vertial. spacebetween works only when direction is Axis.vertical and ignored when Axis.horizontal. and represent the space between elements horizontalAlignment works only when direction is Axis.horizontal and ignored when Axis.vertical.

Implementation

final T groupValue;