MetricDisplay class

A single-value metric display widget.

Shows a label, value, optional unit, and optional trend indicator.

MetricDisplay(
  label: 'CPU Usage',
  value: '42',
  unit: '%',
  trend: MetricTrend.up,
)

Inheritance

Constructors

MetricDisplay({required String label, required String value, String? unit, MetricTrend? trend, Style? labelStyle, Style? valueStyle, Color? trendColor, Key? key})

children → List<Widget>: Child widgets that receive forwarded messages.
no setterinherited
debugRenderObjectPassthrough → bool: Whether this widget is intentionally transparent to render-object layouts.
no setterinherited
focusable → bool: Whether this widget can receive keyboard focus.
no setterinherited
hashCode → int: The hash code for this object.
no setterinherited
id → String: Unique identifier for this widget.
no setterinherited
key → Key?: Key for preserving widget identity.
finalinherited
label → String: The metric label (e.g., "CPU Usage").
final
labelStyle → Style?: Style for the label text. Defaults to muted theme text.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
theme → Theme: Access the current theme.
no setterinherited
trend → MetricTrend?: Optional trend direction.
final
trendColor → Color?: Color for the trend indicator. Defaults to theme colors based on trend.
final
unit → String?: Optional unit suffix (e.g., "%", "ms", "MB").
final
value → String: The metric value (e.g., "42").
final
valueStyle → Style?: Style for the value text. Defaults to bold theme text.
final

build(BuildContext context) → Widget: Describes the part of the UI represented by this widget.
override
buildCachedView<T>(T builder(), Object? cacheKey) → T: Returns a cached view if the cache key matches.
inherited
handleInit() → Cmd?: Override this instead of init for widget-specific initialization.
inherited
handleIntercept(Msg msg) → (Widget, Cmd?): Override this to handle messages before they reach children.
inherited
handleUpdate(Msg msg) → (Widget, Cmd?): Override this to handle messages specific to this widget.
inherited
init() → Cmd?: Called once when the widget is first mounted.
inherited
invalidateCachedView() → void: Clears any cached view for this widget.
inherited
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
toString() → String: A string representation of this object.
inherited
update(Msg msg) → (Model, Cmd?): Handles messages by forwarding to children then calling handleUpdate.
inherited
view() → Object: Renders the widget to a string or View.
inherited