Local notifications (#486)

* Local notifications sample.

* Tidy up.

* Remove Windows/Tizen files.

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.10.35004.147
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LocalNotificationsDemo", "LocalNotificationsDemo\LocalNotificationsDemo.csproj", "{919BBF23-F5F7-49D3-8FEF-A3CDB0C6CA41}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{919BBF23-F5F7-49D3-8FEF-A3CDB0C6CA41}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{919BBF23-F5F7-49D3-8FEF-A3CDB0C6CA41}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{919BBF23-F5F7-49D3-8FEF-A3CDB0C6CA41}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
+		{919BBF23-F5F7-49D3-8FEF-A3CDB0C6CA41}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{919BBF23-F5F7-49D3-8FEF-A3CDB0C6CA41}.Release|Any CPU.Build.0 = Release|Any CPU
+		{919BBF23-F5F7-49D3-8FEF-A3CDB0C6CA41}.Release|Any CPU.Deploy.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {4A601762-D71D-43FC-A58C-DE0806605E83}
+	EndGlobalSection
+EndGlobal

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/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:LocalNotificationsDemo"
+             x:Class="LocalNotificationsDemo.App">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="Resources/Styles/Colors.xaml" />
+                <ResourceDictionary Source="Resources/Styles/Styles.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/App.xaml.cs

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

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/AppShell.xaml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<Shell
+    x:Class="LocalNotificationsDemo.AppShell"
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:local="clr-namespace:LocalNotificationsDemo"
+    Shell.FlyoutBehavior="Disabled"
+    Title="Local notifications demo">
+
+    <ShellContent
+        Title="Home"
+        ContentTemplate="{DataTemplate local:MainPage}"
+        Route="MainPage" />
+
+</Shell>

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/AppShell.xaml.cs

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+namespace LocalNotificationsDemo
+{
+    public partial class AppShell : Shell
+    {
+        public AppShell()
+        {
+            InitializeComponent();
+        }
+    }
+}

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/INotificationManagerService.cs

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+namespace LocalNotificationsDemo;
+
+public interface INotificationManagerService
+{
+    event EventHandler NotificationReceived;
+    void SendNotification(string title, string message, DateTime? notifyTime = null);
+    void ReceiveNotification(string title, string message);
+}
+

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/LocalNotificationsDemo.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFrameworks>net8.0-android;net8.0-ios;net8.0-maccatalyst</TargetFrameworks>
+
+		<!-- Note for MacCatalyst:
+		The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
+		When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifier>.
+		The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
+		either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
+		<!-- For example: <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
+
+		<OutputType>Exe</OutputType>
+		<RootNamespace>LocalNotificationsDemo</RootNamespace>
+		<UseMaui>true</UseMaui>
+		<SingleProject>true</SingleProject>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
+
+		<!-- Display name -->
+		<ApplicationTitle>LocalNotificationsDemo</ApplicationTitle>
+
+		<!-- App Identifier -->
+		<ApplicationId>com.companyname.localnotificationsdemo</ApplicationId>
+
+		<!-- Versions -->
+		<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+		<ApplicationVersion>1</ApplicationVersion>
+
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">11.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">23.0</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.png" Resize="True" BaseSize="300,185" />
+
+		<!-- 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="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
+		<PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="$(MauiVersion)" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
+	</ItemGroup>
+
+</Project>

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/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"
+             x:Class="LocalNotificationsDemo.MainPage"
+             Title="Local notifications"
+             Padding="10">
+    <VerticalStackLayout x:Name="verticalStackLayout"
+                         Spacing="6">
+        <Label Text="Click the button below to create a local notification."
+               HorizontalOptions="Center"
+               VerticalOptions="Start" />
+        <Button Text="Create Notification"
+                HorizontalOptions="Center"
+                VerticalOptions="Start"
+                Clicked="OnSendClick" />
+        <Label Text="Click the button below to schedule a local notification for in 10 seconds time."
+               HorizontalOptions="Center"
+               VerticalOptions="Start" />
+        <Button Text="Create Notification"
+                HorizontalOptions="Center"
+                VerticalOptions="Start"
+                Clicked="OnScheduleClick" />
+    </VerticalStackLayout>
+</ContentPage>

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/MainPage.xaml.cs

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+#if ANDROID
+using LocalNotificationsDemo.Platforms.Android;
+#endif
+
+namespace LocalNotificationsDemo;
+
+public partial class MainPage : ContentPage
+{
+    INotificationManagerService notificationManager;
+    int notificationNumber = 0;
+
+    public MainPage(INotificationManagerService manager)
+    {
+        InitializeComponent();
+
+        notificationManager = manager;
+        notificationManager.NotificationReceived += (sender, eventArgs) =>
+        {
+            var eventData = (NotificationEventArgs)eventArgs;
+            ShowNotification(eventData.Title, eventData.Message);
+        };
+    }
+
+#if ANDROID
+    protected override async void OnAppearing()
+    {
+        base.OnAppearing();
+
+        PermissionStatus status = await Permissions.RequestAsync<NotificationPermission>();
+    }
+#endif
+
+    void OnSendClick(object sender, EventArgs e)
+    {
+        notificationNumber++;
+        string title = $"Local Notification #{notificationNumber}";
+        string message = $"You have now received {notificationNumber} notifications!";
+        notificationManager.SendNotification(title, message);
+    }
+
+    void OnScheduleClick(object sender, EventArgs e)
+    {
+        notificationNumber++;
+        string title = $"Local Notification #{notificationNumber}";
+        string message = $"You have now received {notificationNumber} notifications!";
+        notificationManager.SendNotification(title, message, DateTime.Now.AddSeconds(10));
+    }
+
+    void ShowNotification(string title, string message)
+    {
+        MainThread.BeginInvokeOnMainThread(() =>
+        {
+            var msg = new Label()
+            {
+                Text = $"Notification Received:\nTitle: {title}\nMessage: {message}"
+            };
+            verticalStackLayout.Children.Add(msg);
+        });
+    }
+}

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/MauiProgram.cs

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+using Microsoft.Extensions.Logging;
+
+namespace LocalNotificationsDemo
+{
+    public static class MauiProgram
+    {
+        public static MauiApp CreateMauiApp()
+        {
+            var builder = MauiApp.CreateBuilder();
+            builder
+                .UseMauiApp<App>()
+                .ConfigureFonts(fonts =>
+                {
+                    fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
+                    fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
+                });
+
+#if DEBUG
+            builder.Logging.AddDebug();
+#endif
+
+#if ANDROID
+            builder.Services.AddSingleton<INotificationManagerService, LocalNotificationsDemo.Platforms.Android.NotificationManagerService>();
+#elif IOS
+            builder.Services.AddSingleton<INotificationManagerService, LocalNotificationsDemo.Platforms.iOS.NotificationManagerService>();
+#elif MACCATALYST
+            builder.Services.AddSingleton<INotificationManagerService, LocalNotificationsDemo.Platforms.MacCatalyst.NotificationManagerService>();
+#endif
+            builder.Services.AddSingleton<MainPage>();
+
+            return builder.Build();
+        }
+    }
+}

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/NotificationEventArgs.cs

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+namespace LocalNotificationsDemo;
+
+public class NotificationEventArgs : EventArgs
+{
+    public string Title { get; set; }
+    public string Message { get; set; }
+}
+

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/Platforms/Android/AlarmHandler.cs

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+using Android.Content;
+
+namespace LocalNotificationsDemo.Platforms.Android;
+
+[BroadcastReceiver(Enabled = true, Label = "Local Notifications Broadcast Receiver")]
+public class AlarmHandler : BroadcastReceiver
+{
+    public override void OnReceive(Context context, Intent intent)
+    {
+        if (intent?.Extras != null)
+        {
+            string title = intent.GetStringExtra(NotificationManagerService.TitleKey);
+            string message = intent.GetStringExtra(NotificationManagerService.MessageKey);
+
+            NotificationManagerService manager = NotificationManagerService.Instance ?? new NotificationManagerService();
+            manager.Show(title, message);
+        }
+    }
+}

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/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" />
+	<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+	<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+</manifest>

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/Platforms/Android/BootReceiver.cs

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+using Android.App;
+using Android.Content;
+
+namespace LocalNotificationsDemo.Platforms.Android;
+
+[BroadcastReceiver(Enabled = true, Label = "Reboot complete receiver", Exported = false)]
+[IntentFilter(new[] { Intent.ActionBootCompleted })]
+public class BootReceiver : BroadcastReceiver
+{
+    public override void OnReceive(Context context, Intent intent)
+    {
+        if (intent.Action == "android.intent.action.BOOT_COMPLETED")
+        {
+            // Recreate alarms
+        }
+    }
+}
+

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/Platforms/Android/MainActivity.cs

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+using Android.App;
+using Android.Content;
+using Android.Content.PM;
+using Android.OS;
+
+namespace LocalNotificationsDemo
+{
+    [Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, LaunchMode = LaunchMode.SingleTop, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density)]
+    public class MainActivity : MauiAppCompatActivity
+    {
+        protected override void OnCreate(Bundle? savedInstanceState)
+        {
+            base.OnCreate(savedInstanceState);
+
+            CreateNotificationFromIntent(Intent);
+        }
+
+        protected override void OnNewIntent(Intent? intent)
+        {
+            base.OnNewIntent(intent);
+
+            CreateNotificationFromIntent(intent);
+        }
+
+        static void CreateNotificationFromIntent(Intent intent)
+        {
+            if (intent?.Extras != null)
+            {
+                string title = intent.GetStringExtra(LocalNotificationsDemo.Platforms.Android.NotificationManagerService.TitleKey);
+                string message = intent.GetStringExtra(LocalNotificationsDemo.Platforms.Android.NotificationManagerService.MessageKey);
+
+                var service = IPlatformApplication.Current?.Services.GetService<INotificationManagerService>();
+                service?.ReceiveNotification(title, message);
+            }
+        }
+    }
+}

8.0/PlatformIntegration/LocalNotificationsDemo/LocalNotificationsDemo/Platforms/Android/MainApplication.cs

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