Loader class
A widget that displays a loading indicator with a fade transition to a page.
The Loader widget shows a loading indicator (either an icon, image, or circular progress indicator) and transitions to the provided page with a fade effect when the value changes.
- Inheritance
Constructors
-
Loader({Key? key, required ValueListenable<
bool> value, required Widget page, Color? color, int milliseconds = 500, Curve curve = Curves.easeInOut, IconData? icon, double? iconSize, String? imagePath, double? imageSize = 60}) -
A widget that displays a loading indicator with a fade transition to a page.
const
Properties
- color → Color?
-
The color of the loading indicator.
final
- curve → Curve
-
The curve of the fade transition animation.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- icon → IconData?
-
The icon to display as the loading indicator.
final
- iconSize → double?
-
The size of the icon.
final
- imagePath → String?
-
The path to the image to display as the loading indicator.
final
- imageSize → double?
-
The size of the image.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- milliseconds → int
-
The duration of the fade transition in milliseconds.
final
- page → Widget
-
The page to display after the loading indicator.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
value
→ ValueListenable<
bool> -
A ValueListenable that controls the visibility of the loading indicator.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< Loader> -
Creates the mutable state for this widget at a given location in the tree.
override
-
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