A widget that imposes additional constraints on its child.

For example, if you wanted child to have a minimum height of 50.0 logical pixels, you could use `const BoxConstraints(minHeight: 50.0)`` as the additionalConstraints.

Inheritance

Constructors

ConstrainedBox({Key key, @required BoxConstraints constraints, Widget child })

Creates a widget that imposes additional constraints on its child.

Properties

constraints → BoxConstraints

The additional constraints to impose on the child.

read-only
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
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

Operators

operator ==(other) → bool

The equality operator.

inherited

Methods

createRenderObject(BuildContext context) → RenderConstrainedBox

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

debugFillDescription(List<String> description) → void

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

updateRenderObject(BuildContext context, RenderConstrainedBox 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.

createElement() → SingleChildRenderObjectElement

RenderObjectWidgets always inflate to a RenderObjectElement subclass.

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