CupertinoTimerPicker class

A countdown timer picker in iOS style.

This picker shows a countdown duration with hour, minute and second spinners. The duration is bound between 0 and 23 hours 59 minutes 59 seconds.

There are several modes of the timer picker listed in CupertinoTimerPickerMode.

The picker has a fixed size of 320 x 216, in logical pixels, with the exception of CupertinoTimerPickerMode.hms, which is 330 x 216. If the parent widget provides more space than it needs, the picker will position itself according to its alignment property.

This example shows a CupertinoTimerPicker that returns a countdown duration.
link

To create a local project with this code sample, run:
flutter create --sample=cupertino.CupertinoTimerPicker.1 mysample

See also:

Inheritance

Constructors

CupertinoTimerPicker({Key? key, CupertinoTimerPickerMode mode = CupertinoTimerPickerMode.hms, Duration initialTimerDuration = Duration.zero, int minuteInterval = 1, int secondInterval = 1, AlignmentGeometry alignment = Alignment.center, Color? backgroundColor, double itemExtent = _kItemExtent, required ValueChanged<Duration> onTimerDurationChanged, SelectionOverlayBuilder? selectionOverlayBuilder})
Constructs an iOS style countdown timer picker.

Properties

alignment → AlignmentGeometry
Defines how the timer picker should be positioned within its parent.
final
backgroundColor → Color?
Background color of timer picker.
final
hashCode → int
The hash code for this object.
no setterinherited
initialTimerDuration → Duration
The initial duration of the countdown timer.
final
itemExtent → double
The uniform height of all children.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
minuteInterval → int
The granularity of the minute spinner. Must be a positive integer factor of 60.
final
mode → CupertinoTimerPickerMode
The mode of the timer picker.
final
onTimerDurationChanged → ValueChanged<Duration>
Callback called when the timer duration changes.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
secondInterval → int
The granularity of the second spinner. Must be a positive integer factor of 60.
final
selectionOverlayBuilder → SelectionOverlayBuilder?
A function that returns a widget that is overlaid on the picker to highlight the currently selected entry.
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<StatefulWidget>
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, 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