SliverPersistentHeaderBuilder class
不能用在slivers中作为第一个子widget,否则会报错
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- SliverPersistentHeaderBuilder
Constructors
- SliverPersistentHeaderBuilder.new({Key? key, required Widget builder(BuildContext context, double shrinkOffset, bool overlapsContent), required double maxHeight, double? minHeight, bool rebuild(SliverPersistentHeaderDelegate oldDelegate)?, bool pinned = false, bool floating = false})
-
const
Properties
- builder → Widget Function(BuildContext context, double shrinkOffset, bool overlapsContent)
-
final
- floating → bool
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- maxHeight → double
-
final
- minHeight → double?
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final
- pinned → bool
-
final
- rebuild → bool Function(SliverPersistentHeaderDelegate oldDelegate)?
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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.
override
-
createElement(
) → StatelessElement -
Creates a StatelessElement to manage this widget's location in the tree.
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
-
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