Basic Bars
Hover over the image to see the chart animation
The [ObservableObject]
, [ObservableProperty]
and [RelayCommand]
attributes come from the
CommunityToolkit.Mvvm package, you can read more about it
here.
View Model
using CommunityToolkit.Mvvm.ComponentModel;
using LiveChartsCore;
using LiveChartsCore.SkiaSharpView;
using LiveChartsCore.SkiaSharpView.Painting;
using SkiaSharp;
namespace ViewModelsSamples.Bars.Basic;
public partial class ViewModel : ObservableObject
{
public ISeries[] Series { get; set; } =
{
new ColumnSeries<double>
{
Name = "Mary",
Values = new double[] { 2, 5, 4 }
},
new ColumnSeries<double>
{
Name = "Ana",
Values = new double[] { 3, 1, 6 }
}
};
public Axis[] XAxes { get; set; } =
{
new Axis
{
Labels = new string[] { "Category 1", "Category 2", "Category 3" },
LabelsRotation = 0,
SeparatorsPaint = new SolidColorPaint(new SKColor(200, 200, 200)),
SeparatorsAtCenter = false,
TicksPaint = new SolidColorPaint(new SKColor(35, 35, 35)),
TicksAtCenter = true,
// By default the axis tries to optimize the number of // mark
// labels to fit the available space, // mark
// when you neeed to force the axis to show all the labels then you must: // mark
ForceStepToMin = true, // mark
MinStep = 1 // mark
}
};
}
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.Basic.View"
xmlns:lvc="clr-namespace:LiveChartsCore.SkiaSharpView.Xamarin.Forms;assembly=LiveChartsCore.SkiaSharpView.XamarinForms"
xmlns:vms="clr-namespace:ViewModelsSamples.Bars.Basic;assembly=ViewModelsSamples">
<ContentPage.BindingContext>
<vms:ViewModel/>
</ContentPage.BindingContext>
<lvc:CartesianChart
Series="{Binding Series}"
XAxes="{Binding XAxes}"
LegendPosition="Right">
</lvc:CartesianChart>
</ContentPage>