270 Degrees Gauge
The [ObservableObject], [ObservableProperty] and [RelayCommand] 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.Painting;
using SkiaSharp;
using LiveChartsCore.SkiaSharpView.Extensions;
namespace ViewModelsSamples.Pies.Gauge2;
public partial class ViewModel : ObservableObject
{
public IEnumerable<ISeries> Series { get; set; } =
GaugeGenerator.BuildSolidGauge(
new GaugeItem(30, series =>
{
series.Fill = new SolidColorPaint(SKColors.YellowGreen);
series.DataLabelsSize = 50;
series.DataLabelsPaint = new SolidColorPaint(SKColors.Red);
series.DataLabelsPosition = PolarLabelsPosition.ChartCenter;
series.InnerRadius = 75;
}),
new GaugeItem(GaugeItem.Background, series =>
{
series.InnerRadius = 75;
series.Fill = new SolidColorPaint(new SKColor(100, 181, 246, 90));
}));
}
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"
MinValue="0"
MaxValue="100">
</lvc:PieChart>
</ContentPage>
