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using Microsoft.WindowsAzure.Messaging;
using XamarinPushDemo.Services;
using XamarinPushDemo.UWP.Services;
using System;
using System.Threading.Tasks;
using Windows.Networking.PushNotifications;
[assembly: Xamarin.Forms.Dependency(typeof(WindowsPushNotificationHandler))]
namespace XamarinPushDemo.UWP.Services
{
public class WindowsPushNotificationHandler : IPushNotificationHandler
{
private NotificationHub _hub;
private PushNotificationChannel _channel;
public string Token { get; private set; }
public async Task InitializeAsync(string notificationHubName, string connectionString)
{
_channel = await PushNotificationChannelManager.CreatePushNotificationChannelForApplicationAsync();
_hub = new NotificationHub(notificationHubName, connectionString);
Token = _channel.Uri;
_channel.PushNotificationReceived += OnPushNotificationReceived;
// template allows to send notifications across all platforms by providing shared placeholders (title/message in this case)
var template = GetTemplate();
await _hub.RegisterTemplateAsync(Token, template, "myCustomTemplate");
}
private string GetTemplate()
{
return
"<toast> " +
"<visual>" +
"<binding template=\"ToastGeneric\">" +
"<text id=\"1\">$(title)</text>" +
"<text id=\"2\">$(message)</text>" +
"</binding>" +
"</visual>" +
"</toast>";
}
private void OnPushNotificationReceived(PushNotificationChannel sender, PushNotificationReceivedEventArgs e)
{
// notifications are automatically displayed to the user
// while the app is open you can cancel notifications so they are not displayed
e.Cancel = true;
}
}
}
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