BadgeCounter #807

.gitignore

@@ -263,3 +263,4 @@ paket-files/
 
 # Visual Studio Code
 .vscode
+/samples/workload-install.ps1

samples/CommunityToolkit.Maui.Sample/AppShell.xaml.cs

@@ -83,6 +83,7 @@ public partial class AppShell : Shell
 		CreateViewModelMapping<VariableMultiValueConverterPage, VariableMultiValueConverterViewModel, ConvertersGalleryPage, ConvertersGalleryViewModel>(),
 
 		// Add Essentials View Models
+		CreateViewModelMapping<BadgePage, BadgeViewModel, EssentialsGalleryPage, EssentialsGalleryViewModel>(),
 		CreateViewModelMapping<FileSaverPage, FileSaverViewModel, EssentialsGalleryPage, EssentialsGalleryViewModel>(),
 		CreateViewModelMapping<FolderPickerPage, FolderPickerViewModel, EssentialsGalleryPage, EssentialsGalleryViewModel>(),
 		CreateViewModelMapping<SpeechToTextPage, SpeechToTextViewModel, EssentialsGalleryPage, EssentialsGalleryViewModel>(),

samples/CommunityToolkit.Maui.Sample/CommunityToolkit.Maui.Sample.csproj

@@ -22,12 +22,15 @@
     <ApplicationVersion>1</ApplicationVersion>
 
     <!--
-    Uncomment these lines if you need to debug the SG code
+    Uncomment the line below if you need to debug the SG code
     If you see any LongPath issue on Windows, check this doc
     https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation?tabs=cmd#enable-long-paths-in-windows-10-version-1607-and-later
     -->
     <!--<EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
     <CompilerGeneratedFilesOutputPath>$(BaseIntermediateOutputPath)\GeneratedFiles</CompilerGeneratedFilesOutputPath>-->
+
+    <!-- Uncomment the line below if Android App installation fails -->
+    <!--<EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>-->
   </PropertyGroup>
 
   <ItemGroup>
@@ -79,4 +82,5 @@
   <PropertyGroup Condition="$([MSBuild]::IsOSPlatform('windows'))=='false' and $([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)'))=='maccatalyst' and $(Configuration) == 'Debug'">
     <RuntimeIdentifiers>maccatalyst-arm64;maccatalyst-x64</RuntimeIdentifiers>
   </PropertyGroup>
+
 </Project>

samples/CommunityToolkit.Maui.Sample/MauiProgram.cs

@@ -1,3 +1,4 @@
+using CommunityToolkit.Maui.ApplicationModel;
 using CommunityToolkit.Maui.Maps;
 using CommunityToolkit.Maui.Markup;
 using CommunityToolkit.Maui.Media;
@@ -156,6 +157,7 @@ static void RegisterViewsAndViewModels(in IServiceCollection services)
 		services.AddTransientWithShellRoute<VariableMultiValueConverterPage, VariableMultiValueConverterViewModel>();
 
 		// Add Essentials Pages + ViewModels
+		services.AddTransientWithShellRoute<BadgePage, BadgeViewModel>();
 		services.AddTransientWithShellRoute<FileSaverPage, FileSaverViewModel>();
 		services.AddTransientWithShellRoute<FolderPickerPage, FolderPickerViewModel>();
 		services.AddTransientWithShellRoute<SpeechToTextPage, SpeechToTextViewModel>();
@@ -199,6 +201,7 @@ static void RegisterEssentials(in IServiceCollection services)
 		services.AddSingleton<IDeviceInfo>(DeviceInfo.Current);
 		services.AddSingleton<IFileSaver>(FileSaver.Default);
 		services.AddSingleton<IFolderPicker>(FolderPicker.Default);
+		services.AddSingleton<IBadge>(Badge.Default);
 		services.AddSingleton<ISpeechToText>(SpeechToText.Default);
 		services.AddSingleton<ITextToSpeech>(TextToSpeech.Default);
 	}

samples/CommunityToolkit.Maui.Sample/Pages/Essentials/BadgePage.xaml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<pages:BasePage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+                xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+                xmlns:pages="clr-namespace:CommunityToolkit.Maui.Sample.Pages"
+                x:Class="CommunityToolkit.Maui.Sample.Pages.Essentials.BadgePage"
+                xmlns:vm="clr-namespace:CommunityToolkit.Maui.Sample.ViewModels.Essentials"
+                x:TypeArguments="vm:BadgeViewModel"
+                x:DataType="vm:BadgeViewModel"
+                Title="Badge">
+
+    <Grid
+        RowDefinitions="*, *"
+        ColumnDefinitions="*, *"
+        ColumnSpacing="12"
+        RowSpacing="12"
+        VerticalOptions="Center">
+
+        <Label
+            Grid.ColumnSpan="2"
+            Text="Toggle Home Screen Icon Badge Count"
+            FontSize="18"
+            VerticalOptions="End"
+            HorizontalOptions="Center" />
+
+        <Button
+            Text="+"
+            Grid.Column="0"
+            Grid.Row="1"
+            SemanticProperties.Hint="Increments AppIcon badge"
+            Command="{Binding IncrementCommand}"
+            VerticalOptions="Start"
+            HorizontalOptions="End" />
+
+        <Button
+            Text="-"
+            Grid.Column="1"
+            Grid.Row="1"
+            SemanticProperties.Hint="Decrements AppIcon badge"
+            Command="{Binding DecrementCommand}"
+            VerticalOptions="Start"
+            HorizontalOptions="Start" />
+
+    </Grid>
+
+</pages:BasePage>

samples/CommunityToolkit.Maui.Sample/Pages/Essentials/BadgePage.xaml.cs

@@ -0,0 +1,11 @@
+using CommunityToolkit.Maui.Sample.ViewModels.Essentials;
+
+namespace CommunityToolkit.Maui.Sample.Pages.Essentials;
+
+public partial class BadgePage : BasePage<BadgeViewModel>
+{
+	public BadgePage(BadgeViewModel viewModel) : base(viewModel)
+	{
+		InitializeComponent();
+	}
+}

samples/CommunityToolkit.Maui.Sample/Platforms/Android/AndroidManifest.xml

@@ -4,6 +4,11 @@
 	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 	<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+
+  <!-- Samsung -->
+  <uses-permission android:name="com.sec.android.provider.badge.permission.READ" />
+  <uses-permission android:name="com.sec.android.provider.badge.permission.WRITE" />
+
 	<uses-permission android:name="android.permission.RECORD_AUDIO" />
 	<queries>
 		<intent>

samples/CommunityToolkit.Maui.Sample/Platforms/Android/MainApplication.cs

@@ -1,5 +1,7 @@
 using Android.App;
+using Android.OS;
 using Android.Runtime;
+using CommunityToolkit.Maui.ApplicationModel;
 
 namespace CommunityToolkit.Maui.Sample;
 
@@ -9,6 +11,9 @@ public class MainApplication : MauiApplication
 	public MainApplication(IntPtr handle, JniHandleOwnership ownership)
 		: base(handle, ownership)
 	{
+		var samsungProvider = new SamsungBadgeProvider();
+		BadgeFactory.SetBadgeProvider("com.sec.android.app.launcher", samsungProvider);
+		BadgeFactory.SetBadgeProvider("com.sec.android.app.twlauncher", samsungProvider);
 	}
 
 	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();

samples/CommunityToolkit.Maui.Sample/Platforms/Android/SamsungBadgeProvider.cs

@@ -0,0 +1,89 @@
+using Android.Content;
+using Android.Database;
+using CommunityToolkit.Maui.ApplicationModel;
+using Application = Android.App.Application;
+
+namespace CommunityToolkit.Maui.Sample;
+
+class SamsungBadgeProvider : IBadgeProvider
+{
+	const string contentStringUri = "content://com.sec.badge/apps?notify=true";
+	static readonly string[] contentProjection = { "_id", "class" };
+	static readonly string[] packageNameArray = new string[1];
+
+	public void SetCount(int count)
+	{
+		var contentUri = Android.Net.Uri.Parse(contentStringUri);
+		if (contentUri is null)
+		{
+			return;
+		}
+
+		var packageName = Application.Context.PackageName;
+		if (packageName is null)
+		{
+			return;
+		}
+
+		var componentName = Application.Context.PackageManager?.GetLaunchIntentForPackage(packageName)?.Component;
+		if (componentName is null)
+		{
+			return;
+		}
+
+		var contentResolver = Application.Context.ContentResolver;
+		ICursor? cursor = null;
+		try
+		{
+			packageNameArray[0] = packageName;
+			cursor = contentResolver?.Query(contentUri, contentProjection, "package=?", packageNameArray, null);
+			if (cursor is not null)
+			{
+				var entryActivityExist = false;
+				var selectionArgs = new string[1];
+				while (cursor.MoveToNext())
+				{
+					var id = cursor.GetInt(0);
+					selectionArgs[0] = id.ToString();
+					var contentValues = GetContentValues(componentName, count, false);
+					contentResolver?.Update(contentUri, contentValues, "_id=?", selectionArgs);
+					if (componentName.ClassName.Equals(cursor.GetString(cursor.GetColumnIndex("class"))))
+					{
+						entryActivityExist = true;
+					}
+				}
+
+				if (!entryActivityExist)
+				{
+					var contentValues = GetContentValues(componentName, count, true);
+					contentResolver?.Insert(contentUri, contentValues);
+				}
+			}
+		}
+		finally
+		{
+			if (cursor?.IsClosed is false)
+			{
+				cursor.Close();
+			}
+		}
+	}
+
+	static ContentValues GetContentValues(ComponentName componentName, int badgeCount, bool isInsert)
+	{
+		var contentValues = new ContentValues();
+		if (isInsert)
+		{
+			contentValues.Put("package", componentName.PackageName);
+			contentValues.Put("class", componentName.ClassName);
+		}
+
+		contentValues.Put("badgecount", badgeCount);
+		return contentValues;
+	}
+
+	public int GetCount()
+	{
+		return 0;
+	}
+}

samples/CommunityToolkit.Maui.Sample/ViewModels/Essentials/BadgeViewModel.cs

@@ -0,0 +1,34 @@
+using CommunityToolkit.Maui.ApplicationModel;
+using CommunityToolkit.Mvvm.Input;
+
+namespace CommunityToolkit.Maui.Sample.ViewModels.Essentials;
+
+public partial class BadgeViewModel : BaseViewModel
+{
+	readonly IBadge badge;
+
+	int count;
+
+	public BadgeViewModel(IBadge badge)
+	{
+		this.badge = badge;
+		count = badge.GetCount();
+	}
+
+	[RelayCommand]
+	void Increment()
+	{
+		count++;
+		badge.SetCount(count);
+	}
+
+	[RelayCommand]
+	void Decrement()
+	{
+		if (count > 0)
+		{
+			count--;
+			badge.SetCount(count);
+		}
+	}
+}

samples/CommunityToolkit.Maui.Sample/ViewModels/Essentials/EssentialsGalleryViewModel.cs

@@ -7,6 +7,7 @@ public class EssentialsGalleryViewModel : BaseGalleryViewModel
 	public EssentialsGalleryViewModel()
 		: base(new[]
 		{
+			SectionModel.Create<BadgeViewModel>("Badge", "Allows the user to set app icon badge count on the home screen"),
 			SectionModel.Create<FileSaverViewModel>("FileSaver", "Allows the user to save files to the filesystem"),
 			SectionModel.Create<FolderPickerViewModel>("FolderPicker", "Allows picking folders from the file system"),
 			SectionModel.Create<SpeechToTextViewModel>("SpeechToText", "Converts speech to text"),

src/CommunityToolkit.Maui.Core/CommunityToolkit.Maui.Core.csproj

@@ -58,4 +58,5 @@
 
     <PackageReference Include="System.Speech" Version="7.0.0" Condition="'$(TargetFramework)' == 'net7.0-windows10.0.19041.0'" />
   </ItemGroup>
+
 </Project>

src/CommunityToolkit.Maui.Core/Essentials/Badge/Android/BadgeFactory.android.cs

@@ -0,0 +1,55 @@
+using Android.Content;
+using Android.Content.PM;
+
+namespace CommunityToolkit.Maui.ApplicationModel;
+
+/// <summary>
+/// Factory for <see cref="IBadge"/>
+/// </summary>
+public static class BadgeFactory
+{
+	static readonly Dictionary<string, IBadgeProvider> providers = new();
+	static readonly DefaultBadgeProvider defaultBadgeProvider = new();
+
+	/// <summary>
+	/// Register provider for launcher type
+	/// </summary>
+	/// <param name="launcherType">Launcher type</param>
+	/// <param name="provider">Provider implementation</param>
+	public static void SetBadgeProvider(string launcherType, IBadgeProvider provider)
+	{
+		providers[launcherType] = provider;
+	}
+
+	/// <summary>
+	/// Get badge provider for current launcher
+	/// </summary>
+	/// <returns>Provider implementation</returns>
+	public static IBadgeProvider GetBadgeProvider()
+	{
+		var launcherType = GetLauncherType();
+		if (launcherType is null)
+		{
+			return defaultBadgeProvider;
+		}
+
+		providers.TryGetValue(launcherType, out var provider);
+		return provider ?? defaultBadgeProvider;
+	}
+
+	static string? GetLauncherType()
+	{
+		var intent = new Intent(Intent.ActionMain);
+		intent.AddCategory(Intent.CategoryHome);
+		using var resolveInfo = OperatingSystem.IsAndroidVersionAtLeast(33) ?
+			Application.Context.PackageManager?.ResolveActivity(intent, PackageManager.ResolveInfoFlags.Of(0)) :
+			Application.Context.PackageManager?.ResolveActivity(intent, PackageInfoFlags.MatchDefaultOnly);
+
+		if (resolveInfo is { ActivityInfo.PackageName: not null })
+		{
+			return resolveInfo.ActivityInfo.PackageName;
+		}
+
+		return Application.Context.PackageName;
+	}
+}

src/CommunityToolkit.Maui.Core/Essentials/Badge/Android/BadgeImplementation.android.cs

@@ -0,0 +1,19 @@
+namespace CommunityToolkit.Maui.ApplicationModel;
+
+/// <inheritdoc />
+public class BadgeImplementation : IBadge
+{
+	/// <inheritdoc />
+	public void SetCount(int count)
+	{
+		var badgeProvider = BadgeFactory.GetBadgeProvider();
+		badgeProvider.SetCount(count);
+	}
+
+	/// <inheritdoc />
+	public int GetCount()
+	{
+		var badgeProvider = BadgeFactory.GetBadgeProvider();
+		return badgeProvider.GetCount();
+	}
+}