Bars Background
Hover over the image to see the chart animation
The [ObservableObject], [ObservableProperty] and [ICommand] attributes come from the
CommunityToolkit.Mvvm package, you can read more about it
here.
This web site wraps every sample using a ContentPage instance, but LiveCharts controls can be used inside any container.
View Model
using CommunityToolkit.Mvvm.ComponentModel;
using LiveChartsCore;
using LiveChartsCore.SkiaSharpView;
using LiveChartsCore.SkiaSharpView.Painting;
using SkiaSharp;
namespace ViewModelsSamples.Bars.WithBackground;
public partial class ViewModel : ObservableObject
{
public ISeries[] Series { get; set; } =
{
new ColumnSeries<double>
{
IsHoverable = false, // disables the series from the tooltips // mark
Values = new double[] { 10, 10, 10, 10, 10, 10, 10 },
Stroke = null,
Fill = new SolidColorPaint(new SKColor(30, 30, 30, 30)),
IgnoresBarPosition = true
},
new ColumnSeries<double>
{
Values = new double[] { 3, 10, 5, 3, 7, 3, 8 },
Stroke = null,
Fill = new SolidColorPaint(SKColors.CornflowerBlue),
IgnoresBarPosition = true
}
};
public Axis[] YAxes { get; set; } =
{
new Axis { MinLimit = 0, MaxLimit = 10 }
};
}
XAML
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
x:Class="XamarinSample.Bars.WithBackground.View"
xmlns:lvc="clr-namespace:LiveChartsCore.SkiaSharpView.Xamarin.Forms;assembly=LiveChartsCore.SkiaSharpView.XamarinForms"
xmlns:vms="clr-namespace:ViewModelsSamples.Bars.WithBackground;assembly=ViewModelsSamples">
<ContentPage.BindingContext>
<vms:ViewModel/>
</ContentPage.BindingContext>
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<lvc:CartesianChart Series="{Binding Series}" YAxes="{Binding YAxes}"></lvc:CartesianChart>
</Grid>
</ContentPage>
