add BlueToothSample

Src/Masa.Maui.Plugin.BlueToothSample/App.xaml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:local="clr-namespace:MauiBlueToothDemo"
+             x:Class="MauiBlueToothDemo.App">
+    <Application.Resources>
+        <ResourceDictionary>
+
+            <Color x:Key="PageBackgroundColor">#512bdf</Color>
+            <Color x:Key="PrimaryTextColor">White</Color>
+
+            <Style TargetType="Label">
+                <Setter Property="TextColor" Value="{DynamicResource PrimaryTextColor}" />
+                <Setter Property="FontFamily" Value="OpenSansRegular" />
+            </Style>
+
+            <Style TargetType="Button">
+                <Setter Property="TextColor" Value="{DynamicResource PrimaryTextColor}" />
+                <Setter Property="FontFamily" Value="OpenSansRegular" />
+                <Setter Property="BackgroundColor" Value="#2b0b98" />
+                <Setter Property="Padding" Value="14,10" />
+            </Style>
+
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

Src/Masa.Maui.Plugin.BlueToothSample/App.xaml.cs

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+namespace MauiBlueToothDemo;
+
+public partial class App : Application
+{
+	public App()
+	{
+		InitializeComponent();
+
+		MainPage = new MainPage();
+	}
+}

Src/Masa.Maui.Plugin.BlueToothSample/Data/WeatherForecast.cs

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+namespace MauiBlueToothDemo.Data;
+
+public class WeatherForecast
+{
+	public DateTime Date { get; set; }
+
+	public int TemperatureC { get; set; }
+
+	public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+
+	public string Summary { get; set; }
+}

Src/Masa.Maui.Plugin.BlueToothSample/Data/WeatherForecastService.cs

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+namespace MauiBlueToothDemo.Data;
+
+public class WeatherForecastService
+{
+	private static readonly string[] Summaries = new[]
+	{
+		"Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
+	};
+
+	public Task<WeatherForecast[]> GetForecastAsync(DateTime startDate)
+	{
+		return Task.FromResult(Enumerable.Range(1, 5).Select(index => new WeatherForecast
+		{
+			Date = startDate.AddDays(index),
+			TemperatureC = Random.Shared.Next(-20, 55),
+			Summary = Summaries[Random.Shared.Next(Summaries.Length)]
+		}).ToArray());
+	}
+}
+

Src/Masa.Maui.Plugin.BlueToothSample/Main.razor

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+<Router AppAssembly="@typeof(Main).Assembly">
+	<Found Context="routeData">
+		<RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
+        <FocusOnNavigate RouteData="@routeData" Selector="h1" />
+	</Found>
+	<NotFound>
+		<LayoutView Layout="@typeof(MainLayout)">
+			<p role="alert">Sorry, there's nothing at this address.</p>
+		</LayoutView>
+	</NotFound>
+</Router>

Src/Masa.Maui.Plugin.BlueToothSample/MainPage.xaml

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+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:local="clr-namespace:MauiBlueToothDemo"
+             x:Class="MauiBlueToothDemo.MainPage"
+             BackgroundColor="{DynamicResource PageBackgroundColor}">
+
+    <BlazorWebView HostPage="wwwroot/index.html">
+        <BlazorWebView.RootComponents>
+            <RootComponent Selector="#app" ComponentType="{x:Type local:Main}" />
+        </BlazorWebView.RootComponents>
+    </BlazorWebView>
+
+</ContentPage>

Src/Masa.Maui.Plugin.BlueToothSample/MainPage.xaml.cs

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+namespace MauiBlueToothDemo;
+
+public partial class MainPage : ContentPage
+{
+	public MainPage()
+	{
+		InitializeComponent();
+	}
+}

Src/Masa.Maui.Plugin.BlueToothSample/Masa.Maui.Plugin.BlueToothSample.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Razor">
+
+    <PropertyGroup>
+        <TargetFrameworks>net6.0-android</TargetFrameworks>
+        <!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
+        <!-- <TargetFrameworks>$(TargetFrameworks);net6.0-tizen</TargetFrameworks> -->
+        <OutputType>Exe</OutputType>
+        <RootNamespace>MauiBlueToothDemo</RootNamespace>
+        <UseMaui>true</UseMaui>
+        <SingleProject>true</SingleProject>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <EnableDefaultCssItems>false</EnableDefaultCssItems>
+
+        <!-- Display name -->
+        <ApplicationTitle>MauiBlueToothDemo</ApplicationTitle>
+
+        <!-- App Identifier -->
+        <ApplicationId>com.companyname.mauibluetoothdemo</ApplicationId>
+        <ApplicationIdGuid>5EF99797-3EE1-4456-918B-08954EFEAE30</ApplicationIdGuid>
+
+        <!-- Versions -->
+        <ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+        <ApplicationVersion>1</ApplicationVersion>
+
+        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">14.2</SupportedOSPlatformVersion>
+        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">14.0</SupportedOSPlatformVersion>
+        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">28.0</SupportedOSPlatformVersion>
+        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
+        <TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
+        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <!-- App Icon -->
+        <MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
+
+        <!-- Splash Screen -->
+        <MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
+
+        <!-- Images -->
+        <MauiImage Include="Resources\Images\*" />
+        <MauiImage Update="Resources\Images\dotnet_bot.svg" BaseSize="168,208" />
+
+        <!-- Custom Fonts -->
+        <MauiFont Include="Resources\Fonts\*" />
+
+        <!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
+        <MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Masa.Blazor" Version="0.6.0-rc.2" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <Reference Include="Masa.Maui.Plugin.Bluetooth">
+        <HintPath>..\Masa.Maui.Plugin.Bluetooth\bin\Debug\net6.0-android\Masa.Maui.Plugin.Bluetooth.dll</HintPath>
+      </Reference>
+    </ItemGroup>
+
+</Project>

Src/Masa.Maui.Plugin.BlueToothSample/MauiProgram.cs

@@ -0,0 +1,30 @@
+using Microsoft.AspNetCore.Components.WebView.Maui;
+using MauiBlueToothDemo.Data;
+using Masa.Maui.Plugin.Bluetooth;
+
+namespace MauiBlueToothDemo;
+
+public static class MauiProgram
+{
+	public static MauiApp CreateMauiApp()
+	{
+		var builder = MauiApp.CreateBuilder();
+		builder
+			.UseMauiApp<App>()
+			.ConfigureFonts(fonts =>
+			{
+				fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
+			});
+
+		builder.Services.AddMauiBlazorWebView();
+		#if DEBUG
+		builder.Services.AddBlazorWebViewDeveloperTools();
+#endif
+#if ANDROID
+        builder.Services.AddSingleton<MasaMauiBluetoothService>();
+#endif
+        builder.Services.AddSingleton<WeatherForecastService>();
+        builder.Services.AddMasaBlazor();
+        return builder.Build();
+	}
+}

Src/Masa.Maui.Plugin.BlueToothSample/Pages/Counter.razor

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+@page "/counter"
+
+<h1>Counter</h1>
+
+<p role="status">Current count: @currentCount</p>
+
+<button class="btn btn-primary" @onclick="IncrementCount">Click me</button>
+
+@code {
+    private int currentCount = 0;
+
+    private void IncrementCount()
+    {
+        currentCount++;
+    }
+}

Src/Masa.Maui.Plugin.BlueToothSample/Pages/FetchData.razor

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+@page "/fetchdata"
+
+@using MauiBlueToothDemo.Data
+@inject WeatherForecastService ForecastService
+
+<h1>Weather forecast</h1>
+
+<p>This component demonstrates fetching data from a service.</p>
+
+@if (forecasts == null)
+{
+	<p><em>Loading...</em></p>
+}
+else
+{
+	<table class="table">
+		<thead>
+			<tr>
+				<th>Date</th>
+				<th>Temp. (C)</th>
+				<th>Temp. (F)</th>
+				<th>Summary</th>
+			</tr>
+		</thead>
+		<tbody>
+			@foreach (var forecast in forecasts)
+			{
+				<tr>
+					<td>@forecast.Date.ToShortDateString()</td>
+					<td>@forecast.TemperatureC</td>
+					<td>@forecast.TemperatureF</td>
+					<td>@forecast.Summary</td>
+				</tr>
+			}
+		</tbody>
+	</table>
+}
+
+@code {
+	private WeatherForecast[] forecasts;
+
+	protected override async Task OnInitializedAsync()
+	{
+		forecasts = await ForecastService.GetForecastAsync(DateTime.Now);
+	}
+}

Src/Masa.Maui.Plugin.BlueToothSample/Pages/Index.razor

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+@page "/"
+<MButton OnClick="ScanBLEDeviceAsync">扫描蓝牙设备</MButton>
+<div class="text-center">
+    <MDialog @bind-Value="ShowProgress" Width="500">
+        <ChildContent>
+            <MCard>
+                <MCardTitle>
+                    正在扫描蓝牙设备
+                </MCardTitle>
+                <MCardText>
+                    <MProgressCircular Size="40" Indeterminate Color="primary"></MProgressCircular>
+                </MCardText>
+            </MCard>
+        </ChildContent>
+    </MDialog>
+</div>
+
+<MCard Class="mx-auto" MaxWidth="400" Tile>
+    @foreach (var item in BluetoothDeviceList)
+    {
+        <MListItem>
+            <MListItemContent>
+                <MListItemTitle>@item</MListItemTitle>
+            </MListItemContent>
+        </MListItem>
+    }
+</MCard>

Src/Masa.Maui.Plugin.BlueToothSample/Pages/Index.razor.cs

@@ -0,0 +1,27 @@
+using Masa.Maui.Plugin.Bluetooth;
+using Microsoft.AspNetCore.Components;
+
+namespace MauiBlueToothDemo.Pages
+{
+    public partial class Index
+    {
+        private bool ShowProgress { get; set; }
+        private List<string> BluetoothDeviceList { get; set; } = new();
+        [Inject]
+        private MasaMauiBluetoothService BluetoothService { get; set; }
+
+        private async Task ScanBLEDeviceAsync()
+        {
+            if (BluetoothService.IsEnabled())
+            {
+                if (await BluetoothService.CheckAndRequestBluetoothPermission())
+                {
+                    ShowProgress = true;
+                    var deviceList = await BluetoothService.ScanLeDeviceAsync();
+                    BluetoothDeviceList = deviceList.Where(o => !string.IsNullOrEmpty(o.Name)).Select(o => o.Name).Distinct().ToList();
+                    ShowProgress = false;
+                }
+            }
+        }
+    }
+}

Src/Masa.Maui.Plugin.BlueToothSample/Platforms/Android/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+	<application android:allowBackup="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round" android:supportsRtl="true"></application>
+	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+	<uses-permission android:name="android.permission.INTERNET" />
+	<!--蓝牙权限-->
+	<uses-permission android:name="android.permission.BLUETOOTH" />
+	<!--让应用启动设备发现或操纵蓝牙设置-->
+	<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
+	<!-- 如果设配Android9及更低版本，可以申请 ACCESS_COARSE_LOCATION -->
+	<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+</manifest>

Src/Masa.Maui.Plugin.BlueToothSample/Platforms/Android/MainActivity.cs

@@ -0,0 +1,10 @@
+using Android.App;
+using Android.Content.PM;
+using Android.OS;
+
+namespace MauiBlueToothDemo;
+
+[Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density)]
+public class MainActivity : MauiAppCompatActivity
+{
+}

Src/Masa.Maui.Plugin.BlueToothSample/Platforms/Android/MainApplication.cs

@@ -0,0 +1,15 @@
+using Android.App;
+using Android.Runtime;
+
+namespace MauiBlueToothDemo;
+
+[Application]
+public class MainApplication : MauiApplication
+{
+	public MainApplication(IntPtr handle, JniHandleOwnership ownership)
+		: base(handle, ownership)
+	{
+	}
+
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+}

Src/Masa.Maui.Plugin.BlueToothSample/Platforms/Android/Resources/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#512BD4</color>
+    <color name="colorPrimaryDark">#2B0B98</color>
+    <color name="colorAccent">#2B0B98</color>
+</resources>

Src/Masa.Maui.Plugin.BlueToothSample/Platforms/MacCatalyst/AppDelegate.cs

@@ -0,0 +1,9 @@
+using Foundation;
+
+namespace MauiBlueToothDemo;
+
+[Register("AppDelegate")]
+public class AppDelegate : MauiUIApplicationDelegate
+{
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+}