270 Degrees 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 CommunityToolkit.Mvvm.ComponentModel;
using LiveChartsCore.SkiaSharpView;
using LiveChartsCore.SkiaSharpView.Painting;
using SkiaSharp;
namespace ViewModelsSamples.Pies.Gauge2;
public partial class ViewModel : ObservableObject
{
public IEnumerable<ISeries> Series { get; set; }
= new GaugeBuilder()
.WithLabelsSize(50)
.WithInnerRadius(75)
.WithBackgroundInnerRadius(75)
.WithBackground(new SolidColorPaint(new SKColor(100, 181, 246, 90)))
.WithLabelsPosition(PolarLabelsPosition.ChartCenter)
.AddValue(30, "gauge value", SKColors.YellowGreen, SKColors.Red) // defines the value and the color // mark
.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.Gauge2.View"
xmlns:lvc="clr-namespace:LiveChartsCore.SkiaSharpView.Xamarin.Forms;assembly=LiveChartsCore.SkiaSharpView.XamarinForms"
xmlns:vms="clr-namespace:ViewModelsSamples.Pies.Gauge2;assembly=ViewModelsSamples">
<ContentPage.BindingContext>
<vms:ViewModel/>
</ContentPage.BindingContext>
<lvc:PieChart
Series="{Binding Series}"
InitialRotation="-225"
MaxAngle="270"
Total="100">
</lvc:PieChart>
</ContentPage>
