Slim Gauge
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 System.Collections.Generic;
using LiveChartsCore;
using LiveChartsCore.Measure;
using LiveChartsCore.SkiaSharpView;
using CommunityToolkit.Mvvm.ComponentModel;
namespace ViewModelsSamples.Pies.Gauge4;
public partial class ViewModel : ObservableObject
{
public IEnumerable<ISeries> Series { get; set; }
= new GaugeBuilder()
.WithLabelsSize(20)
.WithLabelsPosition(PolarLabelsPosition.End)
.WithLabelFormatter(point => point.PrimaryValue.ToString())
.WithInnerRadius(20)
.WithMaxColumnWidth(5)
.WithBackground(null)
.AddValue(50, "Vanessa")
.AddValue(80, "Charles")
.AddValue(95, "Ana")
.BuildSeries();
}
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.Pies.Gauge4.View"
xmlns:lvc="clr-namespace:LiveChartsCore.SkiaSharpView.Xamarin.Forms;assembly=LiveChartsCore.SkiaSharpView.XamarinForms"
xmlns:vms="clr-namespace:ViewModelsSamples.Pies.Gauge4;assembly=ViewModelsSamples">
<ContentPage.BindingContext>
<vms:ViewModel/>
</ContentPage.BindingContext>
<lvc:PieChart
Series="{Binding Series}"
InitialRotation="-90"
MaxAngle="350"
Total="100">
</lvc:PieChart>
</ContentPage>
