Progress Indicators

Show loading or progress state with native and Drift-rendered indicators.

ActivityIndicator

Native platform spinner (UIActivityIndicatorView on iOS, ProgressBar on Android).

widgets.ActivityIndicator{
    Animating: true,
    Size:      widgets.ActivityIndicatorSizeMedium, // Small, Medium, Large
    Color:     colors.Primary, // Optional
}

ActivityIndicator Properties

Property	Type	Description
Animating	bool	Whether the spinner is active
Size	ActivityIndicatorSize	Small, Medium, or Large
Color	graphics.Color	Optional tint color

CircularProgressIndicator

Drift-rendered circular progress. Set Value to nil for indeterminate animation.

// Themed (recommended)
theme.CircularProgressIndicatorOf(ctx, nil)       // indeterminate
theme.CircularProgressIndicatorOf(ctx, &progress)  // determinate

// Explicit (full control)
widgets.CircularProgressIndicator{
    Value:       nil,
    Size:        36,
    Color:       colors.Primary,
    TrackColor:  colors.SurfaceVariant,
    StrokeWidth: 4,
}

CircularProgressIndicator Properties

Property	Type	Description
Value	*float64	Progress 0.0 to 1.0, nil for indeterminate
Size	float64	Diameter in pixels
Color	graphics.Color	Progress arc color
TrackColor	graphics.Color	Background track color
StrokeWidth	float64	Arc thickness

LinearProgressIndicator

Drift-rendered linear progress bar. Set Value to nil for indeterminate animation.

// Themed (recommended)
theme.LinearProgressIndicatorOf(ctx, nil)       // indeterminate
theme.LinearProgressIndicatorOf(ctx, &progress)  // determinate

// Explicit (full control)
widgets.LinearProgressIndicator{
    Value:        nil,
    Color:        colors.Primary,
    TrackColor:   colors.SurfaceVariant,
    Height:       4,
    BorderRadius: 2,
}

LinearProgressIndicator Properties

Property	Type	Description
Value	*float64	Progress 0.0 to 1.0, nil for indeterminate
Color	graphics.Color	Progress bar color
TrackColor	graphics.Color	Background track color
Height	float64	Bar height
BorderRadius	float64	Corner radius

Related

• Button for triggering actions that show progress
• Error Boundary for error states