CupertinoActivityIndicator class
An iOS-style activity indicator that spins clockwise.
This example shows how CupertinoActivityIndicator can be customized.
link
To create a local project with this code sample, run:
flutter create --sample=cupertino.CupertinoActivityIndicator.1 mysample
See also:
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- CupertinoActivityIndicator
Constructors
- CupertinoActivityIndicator({Key? key, Color? color, bool animating = true, double radius = _kDefaultIndicatorRadius})
-
Creates an iOS-style activity indicator that spins clockwise.
const
- CupertinoActivityIndicator.partiallyRevealed({Key? key, Color? color, double radius = _kDefaultIndicatorRadius, double progress = 1.0})
-
Creates a non-animated iOS-style activity indicator that displays
a partial count of ticks based on the value of progress.
const
Properties
- animating → bool
-
Whether the activity indicator is running its animation.
final
- color → Color?
-
Color of the activity indicator.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- progress → double
-
Determines the percentage of spinner ticks that will be shown. Typical usage would
display all ticks, however, this allows for more fine-grained control such as
during pull-to-refresh when the drag-down action shows one tick at a time as
the user continues to drag down.
final
- radius → double
-
Radius of the spinner widget.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< CupertinoActivityIndicator> -
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