columnFlex property
Custom flex values for each picker column.
Controls the relative width of each column. For example:
[1, 1, 1]: All columns have equal width[2, 1, 1]: First column is twice as wide as others[3, 2, 1]: First column takes 3/6, second takes 2/6, third takes 1/6
If null or shorter than the number of columns, remaining columns
use flex value of 1.
Implementation
final List<int>? columnFlex;