How the children should be placed along the cross axis in a flex layout.

See also:

Constants

baseline CrossAxisAlignment

Place the children along the cross axis such that their baselines match.

If the main axis is vertical, then this value is treated like start (since baselines are always horizontal).

const CrossAxisAlignment(4)
center CrossAxisAlignment

Place the children so that their centers align with the middle of the cross axis.

This is the default cross-axis alignment.

const CrossAxisAlignment(2)
end CrossAxisAlignment

Place the children as close to the end of the cross axis as possible.

For example, in a column (a flex with a vertical axis) whose TextDirection is TextDirection.ltr, this aligns the right edge of the children along the right edge of the column.

If this value is used in a horizontal direction, a TextDirection must be available to determine if the end is the left or the right.

If this value is used in a vertical direction, a VerticalDirection must be available to determine if the end is the top or the bottom.

const CrossAxisAlignment(1)
start CrossAxisAlignment

Place the children with their start edge aligned with the start side of the cross axis.

For example, in a column (a flex with a vertical axis) whose TextDirection is TextDirection.ltr, this aligns the left edge of the children along the left edge of the column.

If this value is used in a horizontal direction, a TextDirection must be available to determine if the start is the left or the right.

If this value is used in a vertical direction, a VerticalDirection must be available to determine if the start is the top or the bottom.

const CrossAxisAlignment(0)
stretch CrossAxisAlignment

Require the children to fill the cross axis.

This causes the constraints passed to the children to be tight in the cross axis.

const CrossAxisAlignment(3)
values List<CrossAxisAlignment>

A constant List of the values in this enum, in order of their declaration.

const List<CrossAxisAlignment>

Properties

index int

The integer index of this enum.

final
hashCode int
The hash code for this object. [...]
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() String
Returns a string representation of this object.
inherited

Operators

operator ==(other) bool
The equality operator. [...]
inherited