notification helpers

GMCabsDriverAssistantSolution/Platforms/Android/Helpers/INotification.cs

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+using Android.App;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GMCabsDriverAssistantSolution.Platforms.Android.Helpers
+{
+    public interface INotification
+    {
+        Notification ReturnNotif();
+    }
+}

GMCabsDriverAssistantSolution/Platforms/Android/Helpers/NotificationHelper.cs

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+using Android.App;
+using Android.Content;
+using Android.OS;
+using AndroidX.Core.App;
+using GMCabsDriverAssistantSolution.Platforms.Android.Helpers;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+[assembly: Dependency(typeof(NotificationHelper))]
+namespace GMCabsDriverAssistantSolution.Platforms.Android.Helpers
+{
+    internal class NotificationHelper : INotification
+    {
+        private static string foregroundChannelId = "9001";
+        private static Context context = global::Android.App.Application.Context;
+
+        public Notification ReturnNotif()
+        {
+            var intent = new Intent(context, typeof(MainActivity));
+            intent.AddFlags(ActivityFlags.SingleTop);
+            intent.PutExtra("Title", "Message");
+
+            var pendingIntentFlags = (Build.VERSION.SdkInt >= BuildVersionCodes.S)
+              ? PendingIntentFlags.UpdateCurrent | PendingIntentFlags.Mutable
+              : PendingIntentFlags.UpdateCurrent;
+            var pendingActivityIntent = PendingIntent.GetActivity(context, 0, intent, pendingIntentFlags);
+            var pendingIntent = PendingIntent.GetBroadcast(context, 0, intent, pendingIntentFlags);
+
+            var notifBuilder = new NotificationCompat.Builder(context, foregroundChannelId)
+             .SetContentTitle("Location")
+             .SetContentText("Update location")
+             .SetOngoing(true)
+             .SetContentIntent(pendingIntent);
+
+
+            if (global::Android.OS.Build.VERSION.SdkInt >= BuildVersionCodes.O)
+            {
+                NotificationChannel notificationChannel = new NotificationChannel(foregroundChannelId, "Title", NotificationImportance.High);
+                notificationChannel.Importance = NotificationImportance.High;
+                notificationChannel.EnableLights(true);
+                notificationChannel.EnableVibration(true);
+                notificationChannel.SetShowBadge(true);
+                notificationChannel.SetVibrationPattern(new long[] { 100, 200, 300 });
+
+                var notifManager = context.GetSystemService(Context.NotificationService) as NotificationManager;
+                if (notifManager != null)
+                {
+                    notifBuilder.SetChannelId(foregroundChannelId);
+                    notifManager.CreateNotificationChannel(notificationChannel);
+                }
+            }
+
+            return notifBuilder.Build();
+        }
+    }
+}