A line chart plugin that responds to user sliding. Supports reverse and custom slide precision.

Features

Show a line chart and change it.

• Implementation base on Flutter
• Supports multiple lines but currently only supports dragging one of them
• Supports reversed y-axis
• Supports set the minimum value for each slide by the user
• Supports dark mode and custom styles

Live preview

Link

Preview

Usage

import 'package:slidable_line_chart/slidable_line_chart.dart';

Fields in CoordinatesOptions:

Name	Type	Description	Default Value
type	Enum?	Type of coordinates options	null
values	List<double>	The value displayed in the coordinate system for each coordinate point.	none
radius	double	Radius of coordinate points.	none
zoomedFactor	double	Magnification factor of the touch area.	none

Fields in SlidableLineChart:

Name	Type	Description	Default Value
slidableCoordinateType	Enum?	The type of coordinates the user can slide.	null
coordinatesOptionsList	List<CoordinatesOptions<Enum>>	An array contain coordinates configuration information.	none
xAxis	List<String>	Labels displayed on the x-axis.	none
min	int	The minimum value that the user can slide to.	none
max	int	The maximum value that the user can slide to.	none
coordinateSystemOrigin	Offset	Coordinate system origin offset value.	const Offset(6.0, 6.0)
divisions	int	The division value of y-axis.	1
slidePrecision	double?	The minimum value for each slide by the user.	null
reversed	bool	Whether the coordinate system is reversed.	false
onlyRenderEvenAxisLabel	bool	Whether the y-axis label renders only even items.	true
enableInitializationAnimation	bool	Whether the coordinate system triggers animation when initialized.	true
initializationAnimationDuration	Duration	Initialize the duration of the animation.	const Duration(seconds: 1)
fillWidth	bool	Align the first and last points of the chart with both ends.	false
enableFeedback	bool	Whether audible and/or haptic feedback should be provided during user interaction.	true
onDrawCheckOrClose	OnDrawCheckOrClose?	Called when the user slides coordinate, the return value determines the indicator type.	null
onChange	CoordinatesOptionsChanged<Enum>	Called when the user slides coordinate.	null
onChangeStart	CoordinatesOptionsChanged<Enum>	Called when the user starts sliding coordinate.	null
onChangeEnd	CoordinatesOptionsChanged<Enum>	Called when the user stops sliding coordinate.	null

Fields in CoordinatesStyle:

Name	Type	Description	Default Value
type	Enum?	Type of coordinates style	null
pointColor	Color?	Color of coordinate point.	none
tapAreaColor	Color?	Color of the touch area when the coordinate point is slidable.	none
lineColor	Color?	Color of coordinate line.	none
fillAreaColor	Color?	Color of fill area.	none

Fields in SlidableLineChartThemeData:

Name	Type	Description	Default Value
coordinatesStyleList	List<CoordinatesStyle<Enum>>?	All coordinates style list.	null
axisLabelStyle	TextStyle?	Axis label style for the coordinate system.	null
axisLineColor	Color?	Axis line color for the coordinate system.	null
axisLineWidth	double?	Axis line width for the coordinate system.	null
gridLineColor	Color?	Grid line color for the coordinate system.	null
gridLineWidth	double?	Grid line width for the coordinate system.	null
drawGridLineType	DrawGridLineType?	The type of grid lines to draw.	null
drawGridLineStyle	DrawGridLineStyle?	The style of grid lines to draw.	null
dashedGridLineWidth	double?	The unit width of the dashed grid lines.	null
dashedGridLineGap	double?	The gap width of the dashed grid lines.	null
showTapArea	bool?	Whether to display the user's touch area.	null
lineWidth	double?	Line width on the all coordinates.	null
displayValueTextStyle	TextStyle?	Text style for display value on the coordinate system.	null
displayValueMarginBottom	double?	Margin bottom for display value on the coordinate system.	null
indicatorMarginTop	double?	Margin top for check or close indicator on the coordinate system.	null
indicatorRadius	double?	Radius for check or close indicator on the coordinate system.	null
checkBackgroundColor	Color?	Background color for check indicator on the coordinate system.	null
closeBackgroundColor	Color?	Background color for close indicator on the coordinate system.	null
checkColor	Color?	Color for check symbol on the coordinate system.	null
closeColor	Color?	Color for close symbol on the coordinate system.	null
smooth	double?	Smoothness of the line chart.	null
disabledOpacity	double?	Opacity when line chart is can't change.	null