internal void OnBuildNotification(NotificationCompat.Builder notificationBuilder, NotificationDto notification)
{
if (!string.IsNullOrWhiteSpace(notification.Subject))
{
notificationBuilder.SetContentTitle(notification.Subject);
}
if (!string.IsNullOrWhiteSpace(notification.ImageSmall))
{
int width = GetDimension(Resource.Dimension.notification_large_icon_width);
int height = GetDimension(Resource.Dimension.notification_large_icon_height);
var largeIcon = GetBitmap(notification.ImageSmall, width, height);
if (largeIcon != null)
{
notificationBuilder.SetLargeIcon(largeIcon);
}
}
if (!string.IsNullOrWhiteSpace(notification.ImageLarge))
{
var bigPicture = GetBitmap(notification.ImageLarge);
if (bigPicture != null)
{
notificationBuilder.SetStyle(
new NotificationCompat
.BigPictureStyle()
.BigPicture(bigPicture)
.SetSummaryText(notification.Body)
);
}
}
notificationBuilder.MActions.Clear();
if (!string.IsNullOrWhiteSpace(notification.ConfirmUrl) &&
!string.IsNullOrWhiteSpace(notification.ConfirmText) &&
!notification.IsConfirmed)
{
AddAction(notificationBuilder, notification.ConfirmText, notification.ConfirmUrl);
}
if (!string.IsNullOrWhiteSpace(notification.LinkUrl) &&
!string.IsNullOrWhiteSpace(notification.LinkText))
{
AddAction(notificationBuilder, notification.LinkText, notification.LinkUrl);
}
notificationHandler?.OnBuildNotification(notificationBuilder, notification);
}
private async Task <UNMutableNotificationContent> EnrichNotificationContentAsync(UNMutableNotificationContent content, NotificationDto notification)
{
if (!string.IsNullOrWhiteSpace(notification.Subject))
{
content.Title = notification.Subject;
}
if (!string.IsNullOrWhiteSpace(notification.Body))
{
content.Body = notification.Body;
}
string image = string.IsNullOrWhiteSpace(notification.ImageLarge) ? notification.ImageSmall : notification.ImageLarge;
if (!string.IsNullOrWhiteSpace(image))
{
var imagePath = await GetImageAsync(image);
if (!string.IsNullOrWhiteSpace(imagePath))
{
var uniqueName = $"{Guid.NewGuid()}{Path.GetExtension(imagePath)}";
var attachementUrl = new NSUrl(uniqueName, NSFileManager.DefaultManager.GetTemporaryDirectory());
NSFileManager.DefaultManager.Copy(NSUrl.FromFilename(imagePath), attachementUrl, out var error);
if (error != null)
{
Log.Error(error.LocalizedDescription);
}
var attachement = UNNotificationAttachment.FromIdentifier(
Constants.ImageLargeKey,
attachementUrl,
new UNNotificationAttachmentOptions(),
out error);
if (error == null)
{
content.Attachments = new UNNotificationAttachment[] { attachement };
}
else
{
Log.Error(error.LocalizedDescription);
}
}
}
var actions = new List <UNNotificationAction>();
if (!string.IsNullOrWhiteSpace(notification.ConfirmUrl) &&
!string.IsNullOrWhiteSpace(notification.ConfirmText) &&
!notification.IsConfirmed)
{
var confirmAction = UNNotificationAction.FromIdentifier(
Constants.ConfirmAction,
notification.ConfirmText,
UNNotificationActionOptions.Foreground);
actions.Add(confirmAction);
}
if (!string.IsNullOrWhiteSpace(notification.LinkUrl) &&
!string.IsNullOrWhiteSpace(notification.LinkText))
{
var linkAction = UNNotificationAction.FromIdentifier(
Constants.LinkAction,
notification.LinkText,
UNNotificationActionOptions.Foreground);
actions.Add(linkAction);
}
if (actions.Any())
{
var categoryId = Guid.NewGuid().ToString();
var newCategory = UNNotificationCategory.FromIdentifier(
categoryId,
actions.ToArray(),
new string[] { },
UNNotificationCategoryOptions.None);
var categories = new List <UNNotificationCategory>();
var allCategories = await UNUserNotificationCenter.Current.GetNotificationCategoriesAsync();
if (allCategories != null)
{
foreach (UNNotificationCategory category in allCategories)
{
if (category.Identifier != categoryId)
{
categories.Add(category);
}
}
categories.Add(newCategory);
}
else
{
categories.Add(newCategory);
}
UNUserNotificationCenter.Current.SetNotificationCategories(new NSSet <UNNotificationCategory>(categories.ToArray()));
// without this call action buttons won't be added or updated
_ = await UNUserNotificationCenter.Current.GetNotificationCategoriesAsync();
content.CategoryIdentifier = categoryId;
}
if (content.Sound == null)
{
content.Sound = UNNotificationSound.Default;
}
notificationHandler?.OnBuildNotification(content, notification);
return(content);
}
