FlexibleSpaceBarSettings class - material library

Constructors

FlexibleSpaceBarSettings({Key key, double toolbarOpacity, double minExtent, double maxExtent, @required double currentExtent, @required Widget child }): Creates a Flexible Space Bar Settings widget. [...]
const

Properties

currentExtent → double: If the FlexibleSpaceBar.title or the FlexibleSpaceBar.background is not null, then this value is used to calculate the relative scale of these elements upon initialization.
final
maxExtent → double: Maximum height of the resulting FlexibleSpaceBar when fully expanded.
final
minExtent → double: Minimum height of the resulting FlexibleSpaceBar when fully collapsed.
final
toolbarOpacity → double: Affects how transparent the text within the toolbar appears.
final
child → Widget: The widget below this widget in the tree. [...]
final, inherited
hashCode → int: The hash code for this object. [...]
read-only, inherited
key → Key: Controls how one widget replaces another widget in the tree. [...]
final, inherited
runtimeType → Type: A representation of the runtime type of the object.
read-only, inherited

Methods

updateShouldNotify(covariant FlexibleSpaceBarSettings oldWidget) → bool: Whether the framework should notify widgets that inherit from this widget. [...]
override
createElement() → InheritedElement: Inflates this configuration to a concrete instance. [...]
inherited
debugDescribeChildren() → List<DiagnosticsNode>: Returns a list of DiagnosticsNode objects describing this node's children. [...]
@protected, inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void: Add additional properties associated with the node. [...]
inherited
noSuchMethod(Invocation invocation) → dynamic: Invoked when a non-existent 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 toStringDeep. [...]
inherited
toString({DiagnosticLevel minLevel: DiagnosticLevel.debug }) → String: Returns 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 ==(dynamic other) → bool: The equality operator. [...]
inherited