From d61ebd4b7551e15397604239ea3fa53ec034a887 Mon Sep 17 00:00:00 2001
From: Kaustav Chaudhuri <Kaustav@sentientgeeks.com>
Date: Mon, 15 May 2023 11:02:38 +0530
Subject: [PATCH] Android Location Services Implemented.

---
 .../Services/AndroidLocationService.cs        | 134 ++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 GMCabsDriverAssistantSolution/Platforms/Android/Services/AndroidLocationService.cs

diff --git a/GMCabsDriverAssistantSolution/Platforms/Android/Services/AndroidLocationService.cs b/GMCabsDriverAssistantSolution/Platforms/Android/Services/AndroidLocationService.cs
new file mode 100644
index 0000000..f62658c
--- /dev/null
+++ b/GMCabsDriverAssistantSolution/Platforms/Android/Services/AndroidLocationService.cs
@@ -0,0 +1,134 @@
+using Android.App;
+using Android.Content;
+using Android.OS;
+using Android.Runtime;
+using AndroidX.Core.App;
+using GMCabsDriverAssistant.Messages;
+using GMCabsDriverAssistant.Services;
+using GMCabsDriverAssistantSolution.Platforms.Android.Services;
+using Sentry;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+[assembly: Dependency(typeof(AndroidLocationService))]
+namespace GMCabsDriverAssistantSolution.Platforms.Android.Services
+{
+    [Service(Enabled = true)]
+    public class AndroidLocationService : Service, IForegroundService
+    {
+        CancellationTokenSource _cts;
+        public const int SERVICE_RUNNING_NOTIFICATION_ID = 10000;
+        public static bool IsForegroundServiceRunning;
+
+        public override IBinder OnBind(Intent intent)
+        {
+            return null;
+        }
+
+        [return: GeneratedEnum]
+        public override StartCommandResult OnStartCommand(Intent intent, [GeneratedEnum] StartCommandFlags flags, int startId)
+        {
+            string foregroundChannelId = "GMCabsForeGroundServiceChannel";
+            _cts = new CancellationTokenSource();
+            Task.Run(() =>
+            {
+                while (IsForegroundServiceRunning)
+                {
+                    try
+                    {
+                        var locShared = new LocationService();
+                        locShared.Run(_cts.Token).Wait();
+                    }
+                    catch (System.OperationCanceledException oce)
+                    {
+                        SentrySdk.CaptureException(oce);
+                    }
+                    finally
+                    {
+                        if (_cts.IsCancellationRequested)
+                        {
+                            var message = new StopServiceMessage();
+                            Device.BeginInvokeOnMainThread(
+                                () => DependencyService.Resolve<IForegroundService>().StopMyForegroundService()
+                            );
+                        }
+                    }
+                }
+            }, _cts.Token);
+
+            var notifManager = this.GetSystemService(global::Android.Content.Context.NotificationService) as NotificationManager;
+            var pendingIntentFlags = (Build.VERSION.SdkInt >= BuildVersionCodes.S)
+             ? PendingIntentFlags.UpdateCurrent | PendingIntentFlags.Mutable
+             : PendingIntentFlags.UpdateCurrent;
+            var pendingActivityIntent = PendingIntent.GetActivity(this, 0, intent, pendingIntentFlags);
+            var pendingIntent = PendingIntent.GetBroadcast(this, 0, intent, pendingIntentFlags);
+            var notificationBuilder = new NotificationCompat.Builder(this, foregroundChannelId)
+                                         .SetContentTitle("Location")
+                                         .SetContentText("Update location")
+                                         .SetPriority(1)
+                                         .SetOngoing(true)
+                                         .SetAutoCancel(true)
+                                         .SetContentIntent(pendingIntent);
+
+            if (global::Android.OS.Build.VERSION.SdkInt >= global::Android.OS.BuildVersionCodes.O)
+            {
+                var 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 });
+                if (notificationBuilder != null)
+                {
+                    notificationBuilder.SetChannelId(foregroundChannelId);
+                    notifManager.CreateNotificationChannel(notificationChannel);
+                }
+            }
+            // Notification notif = DependencyService.Get<INotification>().ReturnNotif();            
+            StartForeground(SERVICE_RUNNING_NOTIFICATION_ID, notificationBuilder.Build());
+            return base.OnStartCommand(intent, flags, startId);
+        }
+        public override void OnCreate()
+        {
+            base.OnCreate();
+            IsForegroundServiceRunning = true;
+        }
+        public override void OnDestroy()
+        {
+            IsForegroundServiceRunning = false;
+            if (_cts != null)
+            {
+                _cts.Token.ThrowIfCancellationRequested();
+                _cts.Cancel();
+            }
+            base.OnDestroy();
+        }
+
+        public void StartMyForegroundService()
+        {
+            var intent = new Intent(global::Android.App.Application.Context, typeof(AndroidLocationService));
+            if (global::Android.OS.Build.VERSION.SdkInt >= global::Android.OS.BuildVersionCodes.O)
+            {
+                global::Android.App.Application.Context.StartForegroundService(intent);
+            }
+            else
+            {
+                global::Android.App.Application.Context.StartService(intent);
+            }
+        }
+
+        public void StopMyForegroundService()
+        {
+            var intent = new Intent(global::Android.App.Application.Context, typeof(AndroidLocationService));
+            global::Android.App.Application.Context.StopService(intent);
+        }
+
+        public bool IsForeGroundServiceRunning()
+        {
+            return IsForegroundServiceRunning;
+        }
+    }
+}