TProgressBar class
A progress bar widget that displays completion status.
TProgressBar provides a customizable progress indicator with:
- Support for current value (0.0 to 1.0)
- Indeterminate state for unknown progress
- Flowing animation for visual feedback
- Percentage text display
- Custom labels and sizes
- Animated value transitions
Basic Usage
TProgressBar(
value: 0.7,
label: 'Uploading...',
)
Indeterminate Progress
TProgressBar(
indeterminate: true,
label: 'Processing...',
)
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- TProgressBar
Constructors
- TProgressBar({Key? key, double value = 0.0, bool indeterminate = false, bool flowing = false, double height = 8.0, Color? color, Color? backgroundColor, String? label, bool showPercentage = false, double borderRadius = 10.0, Duration animationDuration = const Duration(milliseconds: 300)})
-
Creates a progress bar.
const
Properties
- animationDuration → Duration
-
The duration of the progress value animation.
final
- backgroundColor → Color?
-
The color of the track (background).
final
- borderRadius → double
-
The border radius of the progress bar and track.
final
- color → Color?
-
The color of the progress bar.
final
- flowing → bool
-
Whether to show a continuous flowing/shimmer animation on the bar.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double
-
The height of the progress bar.
final
- indeterminate → bool
-
Whether the progress is in an unknown state.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- label → String?
-
Optional label text displayed above the progress bar.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- showPercentage → bool
-
Whether to display the percentage text.
final
- value → double
-
The current progress value, from 0.0 to 1.0.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< TProgressBar> -
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