LinearProgressIndicator class

A horizontal bar that fills proportionally to value (0.0–1.0).

Displays a colored bar within a fixed-height track. When value is null, shows an indeterminate animation. Supports custom backgroundColor and color.

Inheritance

• Object
• Widget
• StatefulWidget
• LinearProgressIndicator

Constructors

LinearProgressIndicator({Key? key, double? value, Color? backgroundColor, Color? color, int? indicatorWidth})

Creates a LinearProgressIndicator with an optional value.

const

Properties

backgroundColor → Color?

The color of the unfilled track background.

final

color → Color?

The color of the filled progress bar.

final

hashCode → int

The hash code for this object.

no setter, inherited

indicatorWidth → int?

The fixed width of the indicator, or null to fill available space.

final

key → Key?

Controls how one widget replaces another in the tree.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

value → double?

The progress value between 0.0 and 1.0, or null for indeterminate.

final

Methods

createElement() → StatefulElement

Creates the Element for this widget.

inherited

createState() → State<LinearProgressIndicator>

Creates the mutable state for this widget.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited