protected override void OnCreate(Bundle savedInstanceState)
{
TabLayoutResource = Resource.Layout.Tabbar;
ToolbarResource = Resource.Layout.Toolbar;
base.OnCreate(savedInstanceState);
Bootstrap.Begin(() => new DeviceInstallationService());
if (DeviceInstallationService.NotificationsSupported)
{
FirebaseInstanceId.GetInstance(Firebase.FirebaseApp.Instance)
.GetInstanceId()
.AddOnSuccessListener(this);
}
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
Xamarin.Forms.Forms.Init(this, savedInstanceState);
LoadApplication(new App());
CreateNotificationChannel();
if (!ShortcutBadger.IsBadgeCounterSupported(this))
{
Console.WriteLine("Pay attention: badge counter not supported");
}
}
private void RemoveBadgeCounterOnOlderPlatforms()
{
bool isLowerVersion = Build.VERSION.SdkInt < BuildVersionCodes.O;
bool isBadgeCounterSupported = ShortcutBadger.IsBadgeCounterSupported(ApplicationContext);
// Use Plugin for badges on older platforms that support them
if (isLowerVersion && isBadgeCounterSupported)
{
ShortcutBadger.RemoveCount(ApplicationContext);
}
}
public override void OnCreate()
{
base.OnCreate();
if (ShortcutBadger.IsBadgeCounterSupported(this))
{
if (MainActivity.isActivityActive)
{
badgeCount = 0;
}
else
{
badgeCount += 1;
}
ShortcutBadger.ApplyCount(this, badgeCount);
}
}
public Notification CreateNotification(NotificationViewModel notificationViewModel)
{
PendingIntent resultPendingIntent = InitResultIntentBasingOnViewModel(notificationViewModel);
NotificationCompat.Builder builder = new NotificationCompat.Builder(NotificationContext, _channelId)
.SetAutoCancel(true) // Dismiss the notification from the notification area when the user clicks on it
.SetContentTitle(notificationViewModel.Title) // Set the title
.SetContentText(notificationViewModel.Body) // the message to display.
.SetContentIntent(resultPendingIntent) // Start up this activity when the user clicks the intent.
.SetVibrate(null)
.SetSound(null)
.SetNumber(1)
.SetCategory(NotificationCompat.CategoryMessage)
.SetOnlyAlertOnce(true);
// This is the icon to display
if (Build.VERSION.SdkInt >= BuildVersionCodes.Lollipop)
{
builder.SetColor(Resource.Color.colorPrimary);
}
builder.SetSmallIcon(Resource.Drawable.ic_notification);
Notification notification = builder.Build();
bool isLowerVersion = Build.VERSION.SdkInt < BuildVersionCodes.O;
bool isBadgeCounterSupported = ShortcutBadger.IsBadgeCounterSupported(NotificationContext);
bool isMessage = notificationViewModel.Type == NotificationsEnum.NewMessageReceived;
bool areNotificationsEnabled = NotificationManagerCompat.From(NotificationContext).AreNotificationsEnabled();
// Use Plugin for badges on older platforms that support them
if (isLowerVersion &&
isBadgeCounterSupported &&
isMessage &&
areNotificationsEnabled)
{
ShortcutBadger.ApplyNotification(NotificationContext, notification, 1);
}
return(notification);
}