feat: Add Compass sensor Sample

src/SamplesApp/UITests.Shared/UITests.Shared.projitems

@@ -514,6 +514,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="$(MSBuildThisFileDirectory)Windows_Devices\CompassTests.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="$(MSBuildThisFileDirectory)Windows_Devices\LightSensorTests.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -5555,6 +5559,9 @@
     <Compile Include="$(MSBuildThisFileDirectory)Windows_Devices\LampTests.xaml.cs">
       <DependentUpon>LampTests.xaml</DependentUpon>
     </Compile>
+    <Compile Include="$(MSBuildThisFileDirectory)Windows_Devices\CompassTests.xaml.cs">
+      <DependentUpon>CompassTests.xaml</DependentUpon>
+    </Compile>
     <Compile Include="$(MSBuildThisFileDirectory)Windows_Devices\LightSensorTests.xaml.cs">
       <DependentUpon>LightSensorTests.xaml</DependentUpon>
     </Compile>

src/SamplesApp/UITests.Shared/Windows_Devices/CompassTests.xaml

@@ -0,0 +1,39 @@
+<UserControl x:Class="UITests.Shared.Windows_Devices.CompassTests"
+			 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+			 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+			 xmlns:local="using:UITests.Shared.Windows_Devices"
+			 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+			 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+			 xmlns:valueconverters="using:UITests.ValueConverters"
+			 mc:Ignorable="d"
+			 d:DesignHeight="300"
+			 d:DesignWidth="400">
+
+	<UserControl.Resources>
+		<valueconverters:BoolNegationValueConverter x:Key="BoolNegation" />
+	</UserControl.Resources>
+
+	<ContentControl IsEnabled="{Binding CompassAvailable}">
+		<StackPanel>
+			<TextBlock Text="{Binding SensorStatus}" />
+
+			<Button Command="{Binding AttachReadingChangedCommand}"
+					Content="Attach ReadingChanged"
+					IsEnabled="{Binding ReadingChangedAttached, Converter={StaticResource BoolNegation}}" />
+			<Button Command="{Binding DetachReadingChangedCommand}"
+					Content="Detach ReadingChanged"
+					IsEnabled="{Binding ReadingChangedAttached}" />
+
+			<TextBlock Text="Last reading"
+					   Style="{ThemeResource SubtitleTextBlockStyle}" />
+			<TextBlock>
+				<Run FontWeight="Bold">HeadingMagneticNorth:</Run>
+				<Run Text="{Binding HeadingMagneticNorth}" />
+			</TextBlock>
+			<TextBlock>
+				<Run FontWeight="Bold">Timestamp: </Run>
+				<Run Text="{Binding Timestamp}" />
+			</TextBlock>
+		</StackPanel>
+	</ContentControl>
+</UserControl>

src/SamplesApp/UITests.Shared/Windows_Devices/CompassTests.xaml.cs

@@ -0,0 +1,132 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Uno.Disposables;
+using Uno.UI.Samples.Controls;
+using Uno.UI.Samples.UITests.Helpers;
+using Windows.Devices.Sensors;
+using Windows.Foundation;
+using Windows.Foundation.Collections;
+using Windows.UI.Core;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Controls.Primitives;
+using Windows.UI.Xaml.Data;
+using Windows.UI.Xaml.Input;
+using Windows.UI.Xaml.Media;
+using Windows.UI.Xaml.Navigation;
+
+namespace UITests.Shared.Windows_Devices
+{
+	[Sample(
+		"Windows.Devices", 
+		Name = "Compass", 
+		Description = "Demonstrates use of Windows.Devices.Sensors.Compass", 
+		ViewModelType = typeof(CompassTestsViewModel), 
+		IgnoreInSnapshotTests = true)]
+	public sealed partial class CompassTests : UserControl
+	{
+		public CompassTests()
+		{
+			this.InitializeComponent();
+
+		}
+
+		[Bindable]
+		internal class CompassTestsViewModel : ViewModelBase
+		{
+			private Compass _compass;
+			private bool _readingChangedAttached;
+			private string _sensorStatus;
+			private double _headingMagneticNorth;
+			private string _timestamp;
+
+			public CompassTestsViewModel(CoreDispatcher dispatcher) : base(dispatcher)
+			{
+
+				_compass = Compass.GetDefault();
+				if (_compass != null)
+				{
+					_compass.ReportInterval = 250;
+					SensorStatus = "Compass created";
+				}
+				else
+				{
+					SensorStatus = "Compass not available on this device";
+				}
+				Disposables.Add(Disposable.Create(() =>
+				{
+					if (_compass != null)
+					{
+						_compass.ReadingChanged -= Compass_ReadingChanged;
+					}
+				}));
+			}
+
+			public Command AttachReadingChangedCommand => new Command((p) =>
+			{
+				_compass.ReadingChanged += Compass_ReadingChanged;
+				ReadingChangedAttached = true;
+			});
+
+			public Command DetachReadingChangedCommand => new Command((p) =>
+			{
+				_compass.ReadingChanged -= Compass_ReadingChanged;
+				ReadingChangedAttached = false;
+			});
+
+			public bool CompassAvailable => _compass != null;
+
+			public string SensorStatus
+			{
+				get => _sensorStatus;
+				private set
+				{
+					_sensorStatus = value;
+					RaisePropertyChanged();
+				}
+			}
+
+			public bool ReadingChangedAttached
+			{
+				get => _readingChangedAttached;
+				private set
+				{
+					_readingChangedAttached = value;
+					RaisePropertyChanged();
+				}
+			}
+
+			public double HeadingMagneticNorth
+			{
+				get => _headingMagneticNorth;
+				private set
+				{
+					_headingMagneticNorth = value;
+					RaisePropertyChanged();
+				}
+			}
+
+			public string Timestamp
+			{
+				get => _timestamp;
+				private set
+				{
+					_timestamp = value;
+					RaisePropertyChanged();
+				}
+			}
+
+			private async void Compass_ReadingChanged(Compass sender, CompassReadingChangedEventArgs args)
+			{
+				await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
+				{
+					HeadingMagneticNorth = args.Reading.HeadingMagneticNorth;
+					Timestamp = args.Reading.Timestamp.ToString("R");
+				});
+			}
+		}
+	}
+}