LineChart class
Animated smooth line chart with optional area fill and data point dots.
LineChart(
points: [ChartPoint(0, 10), ChartPoint(1, 45), ChartPoint(2, 30)],
labels: ['Jan', 'Feb', 'Mar'],
)
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- LineChart
- Available extensions
Constructors
-
LineChart({Key? key, required List<
ChartPoint> points, List<String> labels = const [], Color? color, bool showArea = true, bool showDots = true, bool showGrid = true, double height = 200, bool animate = true, double strokeWidth = 2.5}) -
const
-
LineChart.fromData({Key? key, required List<
double> data, List<String> labels = const [], Color? color, bool showArea = true, bool showDots = true, bool showGrid = true, double height = 200, bool animate = true, double strokeWidth = 2.5}) -
Convenience constructor — accepts a plain List<double> and converts
each value to a ChartPoint using its index as the x coordinate.
factory
Properties
- animate → bool
-
final
- centered → Widget
-
Available on Widget, provided by the WidgetX extension
Wraps the widget in a Center.no setter - color → Color?
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double
-
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
labels
→ List<
String> -
final
-
points
→ List<
ChartPoint> -
final
- repaint → Widget
-
Available on Widget, provided by the WidgetX extension
Wraps in RepaintBoundary to isolate repaints.no setter - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- showArea → bool
-
final
- showDots → bool
-
final
- showGrid → bool
-
final
- strokeWidth → double
-
final
Methods
-
animatedSwitcher(
{Duration duration = const Duration(milliseconds: 300), AnimatedSwitcherTransitionBuilder transitionBuilder = _defaultAnimatedSwitcherTransition, AnimatedSwitcherLayoutBuilder layoutBuilder = AnimatedSwitcher.defaultLayoutBuilder}) → Widget -
Available on Widget, provided by the WidgetX extension
Wraps in an AnimatedSwitcher withdurationand default fade. -
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< LineChart> -
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
-
expanded(
{int flex = 1}) → Widget -
Available on Widget, provided by the WidgetX extension
Expands the widget inside a Flex parent. -
fadeIn(
{double opacity = 1, Duration duration = const Duration(milliseconds: 300), Curve curve = Curves.easeIn}) → Widget -
Available on Widget, provided by the WidgetAnimateX extension
Wraps in an AnimatedOpacity. -
flexible(
{int flex = 1, FlexFit fit = FlexFit.loose}) → Widget -
Available on Widget, provided by the WidgetX extension
Applies flexible sizing. -
keyed(
Object key) → Widget -
Available on Widget, provided by the WidgetX extension
Wraps the widget in a KeyedSubtree withkey. -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
onTap(
VoidCallback onTap, {HitTestBehavior behavior = HitTestBehavior.opaque}) → Widget -
Available on Widget, provided by the WidgetX extension
Wraps the widget in GestureDetector withonTap. -
pad(
{double horizontal = 0, double vertical = 0}) → Widget - Applies symmetric padding.
-
padded(
[double padding = AppSpacing.lg]) → Widget -
Available on Widget, provided by the WidgetX extension
Applies uniformpadding. -
scaleOnTap(
{double scale = 0.95, required VoidCallback onTap, Duration duration = const Duration(milliseconds: 150)}) → Widget -
Available on Widget, provided by the WidgetAnimateX extension
Wraps in an AnimatedScale. -
semantics(
{required String label, bool button = false}) → Widget -
Available on Widget, provided by the WidgetX extension
Wraps in a Semantics node withlabel. -
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
-
visible(
{bool condition = true}) → Widget -
Available on Widget, provided by the WidgetX extension
Hides the widget entirely whenconditionis false. -
withPadding(
EdgeInsetsGeometry padding) → Widget -
Available on Widget, provided by the WidgetX extension
Appliespaddingonly.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited