CupertinoLinearActivityIndicator class
An iOS-style linear activity indicator.
The CupertinoLinearActivityIndicator is a linear progress bar that displays a colored bar to indicate the progress of an ongoing task.
This example shows how CupertinoLinearActivityIndicator can be customized.
link
To create a local project with this code sample, run:
flutter create --sample=cupertino.CupertinoLinearActivityIndicator.1 mysample
See also:
- CupertinoActivityIndicator, which is an iOS-style activity indicator that spins clockwise.
- developer.apple.com/design/human-interface-guidelines/progress-indicators/
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- CupertinoLinearActivityIndicator
Constructors
- CupertinoLinearActivityIndicator({Key? key, required double progress, double height = 4.5, Color? color})
-
Creates a linear iOS-style activity indicator.
const
Properties
- color → Color?
-
The color of the progress bar.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double
-
The height of the line used to draw the linear activity indicator.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- progress → double
-
The current progress of the linear activity indicator.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
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
-
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, 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
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited