๏ปฟ#if __ANDROID__
using Android;
using Android.App;
using Android.Content;
using Android.Content.PM;
using Android.OS;
using Android.Support.V4.App;
using Android.Util;
using Android.Views;
using AndroidX.Core.App;
using AndroidX.Lifecycle;
using System;
namespace ProjectSBS.Services.Notifications;
// TODO: Rename to AndroidNotificationService
public class NotificationService : NotificationServiceBase
{
private Context context = Android.App.Application.Context;
public NotificationService()
{
}
public override bool IsEnabledOnDevice()
{
if (Build.VERSION.SdkInt >= BuildVersionCodes.N)
{
//TODO Returns true on all
//return true;
}
return NotificationManagerCompat.From(context).AreNotificationsEnabled();
}
public override void ShowInAppNotification(string notification, bool autoHide)
{
InvokeInAppNotificationRequested(new InAppNotificationRequestedEventArgs
{
NotificationText = notification,
NotificationTime = autoHide ? 1500 : 0
});
}
public override async void ScheduleNotification(string id, string title, string text, DateOnly day, TimeOnly time)
{
if (!IsEnabledOnDevice())
{
//TODO make this not only for not scheduled notifications
var current = await ApplicationActivity.GetCurrent(new CancellationToken());
if (ActivityCompat.CheckSelfPermission(current, Manifest.Permission.PostNotifications) != Android.Content.PM.Permission.Granted)
{
ActivityCompat.RequestPermissions(current, new string[] { Manifest.Permission.PostNotifications }, 1);
}
}
id = Guid.NewGuid().ToString();
DateTime notificationDateTime = new(day.Year, day.Month, day.Day, time.Hour, time.Minute, time.Second);
long totalMilliSeconds = (long)(notificationDateTime.ToUniversalTime() - DateTime.Now).TotalMilliseconds;
text += $" Scheduled for {notificationDateTime}";
var (manager, intent) = CreateAlarm(id, title, text, notificationDateTime);
GetAlarm();
manager.SetExact(AlarmType.ElapsedRealtime, totalMilliSeconds, intent);
}
private (AlarmManager, PendingIntent) CreateAlarm(string id, string title, string text, DateTime notificationDateTime)
{
if (notificationDateTime > DateTime.Now)
{
Intent notificationIntent = new(context, typeof(NotificationReceiver));
notificationIntent.PutExtra("id", id);
notificationIntent.PutExtra("title", title);
notificationIntent.PutExtra("text", text);
var random = new Random();
int requestCode = random.Next(0, 5000); // TODO: ID here You can convert the id to an integer for the requestCode
PendingIntent pendingIntent = PendingIntent.GetBroadcast(context, requestCode, notificationIntent, PendingIntentFlags.Immutable);
AlarmManager alarmManager = (AlarmManager)context.GetSystemService(Context.AlarmService);
return (alarmManager, pendingIntent);
}
//TODO throw new Exception("Desired time was set in the past.");
return (null, null);
}
// TODO: Test this function properly
public override void RemoveScheduledNotifications(string id)
{
Intent notificationIntent = new(context, typeof(NotificationReceiver));
notificationIntent.PutExtra("id", id);
var random = new Random();
int requestCode = random.Next(0, 5000); // TODO: ID here You can convert the id to an integer for the requestCode
PendingIntent pendingIntent = PendingIntent.GetBroadcast(context, requestCode, notificationIntent, PendingIntentFlags.Immutable);
AlarmManager alarmManager = (AlarmManager)context.GetSystemService(Context.AlarmService);
alarmManager.Cancel(pendingIntent);
}
private void GetAlarm()
{
AlarmManager alarmManager = (AlarmManager)context.GetSystemService(Context.AlarmService);
//var c = alarmManager.CanScheduleExactAlarms();
//var d = alarmManager.NextAlarmClock;
}
public override void ShowBasicToastNotification(string title, string description)
{
var notificationManager = (NotificationManager)context.GetSystemService(Context.NotificationService);
var channelId = "ProjectSBS-channel";
var channelName = "Other";
var importance = NotificationImportance.High;
var notificationChannel = new NotificationChannel(channelId, channelName, importance);
notificationManager.CreateNotificationChannel(notificationChannel);
var notificationBuilder = new NotificationCompat.Builder(context, channelId)
.SetSmallIcon(Resource.Drawable.abc_vector_test)
.SetContentTitle(title)
.SetContentText(description)
.SetAutoCancel(true);
var notification = notificationBuilder.Build();
notificationManager.Notify(0, notification);
}
}
[BroadcastReceiver(Enabled = true)]
public class NotificationReceiver : BroadcastReceiver
{
public override void OnReceive(Context context, Intent intent)
{
string id = intent.GetStringExtra("id");
string title = intent.GetStringExtra("title");
string text = intent.GetStringExtra("text");
var notificationManager = (NotificationManager)context.GetSystemService(Context.NotificationService);
PendingIntent pendingIntent = PendingIntent.GetActivity(context, 0, intent, PendingIntentFlags.Immutable);
var channelId = id;
var channelName = id; // TODO: Change from id to Item name
var importance = NotificationImportance.High;
var notificationChannel = new NotificationChannel(channelId, channelName, importance);
notificationManager.CreateNotificationChannel(notificationChannel);
var notificationBuilder = new NotificationCompat.Builder(context, channelId)
.SetSmallIcon(Resource.Drawable.abc_vector_test)
.SetContentTitle(title)
.SetContentText(text)
.SetPriority(NotificationCompat.PriorityHigh)
.SetContentIntent(pendingIntent)
.SetAutoCancel(true);
var notification = notificationBuilder.Build();
notificationManager.Notify(0, notification);
}
}
#endif