When should you use MainAxisAlignment and crossAxisAlignment?

Summary. When you use MainAxisSize on your Column or Row, they will determine the size of the Column or Row along the main axis, i.e, height for Column and width for Row .

The crossAxisAlignment property determines how Row and Column can position their children on their cross axes . A Row ‘s cross axis is vertical, and a Column ‘s cross axis is horizontal. The crossAxisAlignment property has five possible values: CrossAxisAlignment.

To create a row or column in Flutter, you add a list of children widgets to a Row or Column widget . In turn, each child can itself be a row or column, and so on. The following example shows how it is possible to nest rows or columns inside of rows or columns. The left column’s widget tree nests rows and columns.

crossAxisAlignment: The crossAxisAlignment takes in CrossAxisAlignment enum as the object to how the children’s widgets should be places in crossAxisAlignment. For Row it is vertical and for Column it is horizontal. direction: This property holds as the Axis enum object to decide the direction used in the main axis.

Column Widget. mainAxisAlignment is how items are aligned on that axis. crossAxisAlignment is how items are aligned on the other axis.30 Eki 2020