VerticalDirection enum Null safety
A direction in which boxes flow vertically.
This is used by the flex algorithm (e.g. Column) to decide in which direction to draw boxes.
This is also used to disambiguate start and end values (e.g.
MainAxisAlignment.start or CrossAxisAlignment.end).
See also:
- TextDirection, which controls the same thing but horizontally.
Constants
- down → const VerticalDirection
-
Boxes should start at the top and be stacked vertically towards the bottom.
The "start" is at the top, the "end" is at the bottom.
const VerticalDirection(1) - up → const VerticalDirection
-
Boxes should start at the bottom and be stacked vertically towards the top.
The "start" is at the bottom, the "end" is at the top.
const VerticalDirection(0) -
values
→ const List<
VerticalDirection> -
A constant List of the values in this enum, in order of their declaration.
const List<VerticalDirection>
Properties
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.
override
Operators
-
operator ==(
Object other ) → bool -
The equality operator. [...]
inherited