A widget that centers its child within itself.

See also:

  • Align, which lets you arbitrarily position a child within itself, rather than just centering it.
Inheritance

Constructors

Center({Key key, double widthFactor, double heightFactor, Widget child })

Creates a widget that centers its child.

Properties

alignment → FractionalOffset

How to align the child.

read-only, inherited
child → Widget

The widget below this widget in the tree.

read-only, inherited
hashCode → int

Get a hash code for this object.

read-only, inherited
heightFactor → double

If non-null, sets its height to the child's height multipled by this factor.

read-only, inherited
key → Key

Controls how one widget replaces another widget in the tree.

read-only, inherited
runtimeType → Type

A representation of the runtime type of the object.

read-only, inherited
widthFactor → double

If non-null, sets its width to the child's width multipled by this factor.

read-only, inherited

Operators

operator ==(other) → bool

The equality operator.

inherited

Methods

createElement() → SingleChildRenderObjectElement

RenderObjectWidgets always inflate to a RenderObjectElement subclass.

inherited
createRenderObject(BuildContext context) → RenderPositionedBox

Creates an instance of the RenderObject class that this RenderObjectWidget represents, using the configuration described by this RenderObjectWidget.

inherited
debugFillDescription(List<String> description) → void

Add additional information to the given description for use by toString.

inherited
didUnmountRenderObject(RenderObject renderObject) → void

A render object previously associated with this widget has been removed from the tree. The given RenderObject will be of the same type as returned by this object's createRenderObject.

inherited
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
toStringShort() → String

A short, textual description of this widget.

inherited
updateRenderObject(BuildContext context, RenderPositionedBox renderObject) → void

Copies the configuration described by this RenderObjectWidget to the given RenderObject, which will be of the same type as returned by this object's createRenderObject.

inherited