FadeOverlay class

A widget that applies a gradient fade effect over its child.

Example:

FadeOverlay(
  child: Image.asset('background.jpg'),
  strength: 0.5,
  color: Colors.black,
)
Inheritance
Available extensions

Constructors

FadeOverlay({Key? key, required Widget child, double strength = 0.2, Color color = Colors.black, AlignmentGeometry begin = Alignment.topCenter, AlignmentGeometry end = Alignment.bottomCenter})
const
FadeOverlay.bottom({Key? key, required Widget child, Color color = Colors.black, double strength = 0.2})
const
FadeOverlay.left({Key? key, required Widget child, Color color = Colors.black, double strength = 0.2})
const
FadeOverlay.right({Key? key, required Widget child, Color color = Colors.black, double strength = 0.2})
const
FadeOverlay.top({Key? key, required Widget child, Color color = Colors.black, double strength = 0.2})
const

Properties

begin → AlignmentGeometry
The gradient start alignment.
final
child → Widget
final
color → Color
final
end → AlignmentGeometry
The gradient end alignment.
final
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
strength → double
Fade strength from 0.0 (subtle) to 1.0 (strong).
final

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
connectiveOr({required Widget offline}) → Widget

Available on Widget, provided by the ConnectiveExtension extension

Wraps the widget in a Connective that shows an offline placeholder.
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
faderBottom({double strength = 0.2, Color color = Colors.black}) → FadeOverlay

Available on StatelessWidget, provided by the NyStatelessWidgetExt extension

Make gradient fader from the bottom of the widget. strength ranges from 0.0 (subtle) to 1.0 (strong).
faderFrom({double strength = 0.2, Color color = Colors.black, AlignmentGeometry begin = Alignment.topCenter, AlignmentGeometry end = Alignment.bottomCenter}) → FadeOverlay

Available on StatelessWidget, provided by the NyStatelessWidgetExt extension

Make gradient fader with custom alignment. strength ranges from 0.0 (subtle) to 1.0 (strong).
faderLeft({double strength = 0.2, Color color = Colors.black}) → FadeOverlay

Available on StatelessWidget, provided by the NyStatelessWidgetExt extension

Make gradient fader from the left of the widget. strength ranges from 0.0 (subtle) to 1.0 (strong).
faderRight({double strength = 0.2, Color color = Colors.black}) → FadeOverlay

Available on StatelessWidget, provided by the NyStatelessWidgetExt extension

Make gradient fader from the right of the widget. strength ranges from 0.0 (subtle) to 1.0 (strong).
faderTop({double strength = 0.2, Color color = Colors.black}) → FadeOverlay

Available on StatelessWidget, provided by the NyStatelessWidgetExt extension

Make gradient fader from the top of the widget. strength ranges from 0.0 (subtle) to 1.0 (strong).
flexible({Key? key, int flex = 1, FlexFit fit = FlexFit.loose}) → Flexible

Available on StatelessWidget, provided by the NyStatelessWidgetExt extension

Make a StatelessWidget Flexible.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
onlyOffline() → Widget

Available on Widget, provided by the ConnectiveExtension extension

Only shows the widget when offline, otherwise shows nothing.
onlyOnline() → Widget

Available on Widget, provided by the ConnectiveExtension extension

Only shows the widget when online, otherwise shows nothing.
onTap(dynamic action(), {LoadingStyle? loadingStyle}) → Widget

Available on StatelessWidget, provided by the NyStatelessWidgetExt extension

On tap run a action.
onTapRoute(dynamic routeName, {dynamic data, Map<String, dynamic>? queryParameters, NavigationType navigationType = NavigationType.push, dynamic result, bool removeUntilPredicate(Route route)?, TransitionType? transitionType, PageTransitionType? pageTransitionType, PageTransitionSettings? pageTransitionSettings, dynamic onPop(dynamic value)?}) → InkWell

Available on StatelessWidget, provided by the NyStatelessWidgetExt extension

Route to a new page.
paddingOnly({double left = 0.0, double top = 0.0, double right = 0.0, double bottom = 0.0}) → Padding

Available on StatelessWidget, provided by the NyStatelessWidgetExt extension

Add padding to the widget.
paddingSymmetric({double horizontal = 0.0, double vertical = 0.0}) → Padding

Available on StatelessWidget, provided by the NyStatelessWidgetExt extension

Add symmetric padding to the widget.
pullable({required Future<void> onRefresh()?, PullableConfig? pullableConfig}) → Widget

Available on Widget, provided by the NyWidgetExt extension

Make a widget pullable using the Pullable widget.
shadow(int strength, {Color? color, double? blurRadius, double? spreadRadius, Offset? offset, double? rounded}) → Container

Available on StatelessWidget, provided by the NyStatelessWidgetExt extension

Add a shadow to the container.
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toSkeleton({Key? key, bool? ignoreContainers, bool? justifyMultiLineText, Color? containersColor, bool ignorePointers = true, bool enabled = true, PaintingEffect? effect, TextBoneBorderRadius? textBoneBorderRadius}) → Skeletonizer

Available on Widget, provided by the NyWidgetExt extension

Make a widget a skeleton using the Skeletonizer package.
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
visibleWhen(bool condition) → Widget

Available on StatelessWidget, provided by the NyStatelessWidgetExt extension

Make a widget visible when a condition is true.

Operators

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