Observer class

Inheritance
Available extensions

Constructors

Observer({Key? key, required WidgetBuilder builder})
const

Properties

builder WidgetBuilder
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
marginZero Widget

Available on Widget, provided by the WidgetMarginX extension

no setter
paddingZero Widget

Available on Widget, provided by the WidgetPaddingX extension

no setter
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
sliverBox Widget

Available on Widget, provided by the WidgetSliverBoxX extension

no setter

Methods

blur({double begin = 0, double end = 15, Duration duration = _defaultDuration, Duration delay = _defaultDelay, ValueSetter<AnimationController>? onComplete, bool isSequential = false}) GetAnimatedBuilder

Available on Widget, provided by the AnimationExtension extension

bounce({required double begin, required double end, Duration duration = _defaultDuration, Duration delay = _defaultDelay, ValueSetter<AnimationController>? onComplete, bool isSequential = false}) GetAnimatedBuilder

Available on Widget, provided by the AnimationExtension extension

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
fadeIn({Duration duration = _defaultDuration, Duration delay = _defaultDelay, ValueSetter<AnimationController>? onComplete, bool isSequential = false}) GetAnimatedBuilder

Available on Widget, provided by the AnimationExtension extension

fadeOut({Duration duration = _defaultDuration, Duration delay = _defaultDelay, ValueSetter<AnimationController>? onComplete, bool isSequential = false}) GetAnimatedBuilder

Available on Widget, provided by the AnimationExtension extension

flip({double begin = 0, double end = 1, Duration duration = _defaultDuration, Duration delay = _defaultDelay, ValueSetter<AnimationController>? onComplete, bool isSequential = false}) GetAnimatedBuilder

Available on Widget, provided by the AnimationExtension extension

marginAll(double margin) Widget

Available on Widget, provided by the WidgetMarginX extension

marginOnly({double left = 0.0, double top = 0.0, double right = 0.0, double bottom = 0.0}) Widget

Available on Widget, provided by the WidgetMarginX extension

marginSymmetric({double horizontal = 0.0, double vertical = 0.0}) Widget

Available on Widget, provided by the WidgetMarginX extension

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
paddingAll(double padding) Widget

Available on Widget, provided by the WidgetPaddingX extension

paddingOnly({double left = 0.0, double top = 0.0, double right = 0.0, double bottom = 0.0}) Widget

Available on Widget, provided by the WidgetPaddingX extension

paddingSymmetric({double horizontal = 0.0, double vertical = 0.0}) Widget

Available on Widget, provided by the WidgetPaddingX extension

rotate({required double begin, required double end, Duration duration = _defaultDuration, Duration delay = _defaultDelay, ValueSetter<AnimationController>? onComplete, bool isSequential = false}) GetAnimatedBuilder

Available on Widget, provided by the AnimationExtension extension

scale({required double begin, required double end, Duration duration = _defaultDuration, Duration delay = _defaultDelay, ValueSetter<AnimationController>? onComplete, bool isSequential = false}) GetAnimatedBuilder

Available on Widget, provided by the AnimationExtension extension

size({required double begin, required double end, Duration duration = _defaultDuration, Duration delay = _defaultDelay, ValueSetter<AnimationController>? onComplete, bool isSequential = false}) GetAnimatedBuilder

Available on Widget, provided by the AnimationExtension extension

slide({required OffsetBuilder offset, double begin = 0, double end = 1, Duration duration = _defaultDuration, Duration delay = _defaultDelay, ValueSetter<AnimationController>? onComplete, bool isSequential = false}) GetAnimatedBuilder

Available on Widget, provided by the AnimationExtension extension

spin({Duration duration = _defaultDuration, Duration delay = _defaultDelay, ValueSetter<AnimationController>? onComplete, bool isSequential = false}) GetAnimatedBuilder

Available on Widget, provided by the AnimationExtension extension

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
wave({double begin = 0, double end = 1, Duration duration = _defaultDuration, Duration delay = _defaultDelay, ValueSetter<AnimationController>? onComplete, bool isSequential = false}) GetAnimatedBuilder

Available on Widget, provided by the AnimationExtension extension

Operators

operator ==(Object other) bool
The equality operator.
inherited