DrawerHeaderModifier class
The top-most region of a Material Design drawer. The header's child
widget, if any, is placed inside a Container whose decoration can be
passed as an argument, inset by the given padding.
Part of the Material Design Drawer.
Requires one of its ancestors to be a Material widget. This condition is satisfied by putting the DrawerHeader in a Drawer.
See also:
- UserAccountsDrawerHeader, a variant of DrawerHeader that is specialized for showing user accounts.
- material.io/design/components/navigation-drawer.html
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- SingleChildStatelessModifier
- DrawerHeaderModifier
- Available extensions
Constructors
- DrawerHeaderModifier({Key? key, Widget? child, Key? modifierKey, Decoration? decoration, EdgeInsetsGeometry? margin = const EdgeInsets.only(bottom: 8.0), EdgeInsetsGeometry padding = const EdgeInsets.fromLTRB(16.0, 16.0, 16.0, 8.0), Duration duration = const Duration(milliseconds: 250), Curve curve = Curves.fastOutSlowIn})
-
Creates a Material Design drawer header.
const
Properties
- curve → Curve
-
The curve for animations of the decoration.
final
- decoration → Decoration?
-
Decoration for the main drawer header Container; useful for applying
backgrounds.
final
- duration → Duration
-
The duration for animations of the decoration.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- margin → EdgeInsetsGeometry?
-
The margin around the drawer header.
final
- modifierKey → Key?
-
The actual key of the widget, which Modifier wrapped
finalinherited
- padding → EdgeInsetsGeometry
-
The padding by which to inset
child.final - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
inherited
-
buildWithChild(
BuildContext context, Widget? child) → Widget -
A build method that receives an extra
childparameter.override -
createElement(
) → SingleChildStatelessElement -
Create a SingleChildStatelessElement
inherited
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of DiagnosticsNode objects describing this node's
children.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
modified(
) → Modifier -
Available on Widget, provided by the ModifierTransformer extension
Transform normal widget to Modifier -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toDiagnosticsNode(
{String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode -
Returns a debug representation of the object that is used by debugging
tools and by DiagnosticsNode.toStringDeep.
inherited
-
toString(
{DiagnosticLevel minLevel = DiagnosticLevel.info}) → String -
A string representation of this object.
inherited
-
toStringDeep(
{String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String -
Returns a string representation of this node and its descendants.
inherited
-
toStringShallow(
{String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String -
Returns a one-line detailed description of the object.
inherited
-
toStringShort(
) → String -
A short, textual description of this widget.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited