ExtendedFlexibleSpaceBar class
简化部分参数 FlexibleSpaceBar
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- FlexibleSpaceBar
- ExtendedFlexibleSpaceBar
- Available extensions
Constructors
-
ExtendedFlexibleSpaceBar({Key? key, Widget? title, Widget? background, bool? centerTitle = true, EdgeInsetsGeometry? titlePadding, CollapseMode collapseMode = CollapseMode.parallax, List<
StretchMode> stretchModes = const <StretchMode>[StretchMode.zoomBackground]}) -
const
Properties
- background → Widget?
-
Shown behind the title when expanded.
finalinherited
- centerTitle → bool?
-
Whether the title should be centered.
finalinherited
- collapseMode → CollapseMode
-
Collapse effect while scrolling.
finalinherited
- expandedTitleScale → double
-
Defines how much the title is scaled when the FlexibleSpaceBar is expanded
due to the user scrolling downwards. The title is scaled uniformly on the
x and y axes while maintaining its bottom-left position (bottom-center if
centerTitle is true).
finalinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
stretchModes
→ List<
StretchMode> -
Stretch effect while over-scrolling.
finalinherited
- title → Widget?
-
The primary contents of the flexible space bar when expanded.
finalinherited
- titlePadding → EdgeInsetsGeometry?
-
Defines how far the title is inset from either the widget's
bottom-left or its center.
finalinherited
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< FlexibleSpaceBar> -
Creates the mutable state for this widget at a given 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}) → 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