/// <summary>
/// Shows the toast notification.
/// </summary>
public async Task Show()
{
var builder = new ToastContentBuilder();
if (AppLogoOverride != null)
{
var uri = AppLogoOverride.GetSourceUri() ?? await AppLogoOverride.GetFileUriAsync().ConfigureAwait(false);
builder.AddAppLogoOverride(uri);
}
// Title and Message are required.
builder.AddText(Title, hintMaxLines: 1)
.AddText(Message);
builder.SetToastDuration(ToastDuration == ToastDuration.Short ? UwpNot.ToastDuration.Short : UwpNot.ToastDuration.Long);
_tcs = new TaskCompletionSource <object>();
builder.Show(t =>
{
TypedEventHandler <Windows.UI.Notifications.ToastNotification, ToastDismissedEventArgs> handler = (sender, args) => { };
handler = (sender, args) =>
{
sender.Dismissed -= handler;
_tcs.SetResult(null);
};
t.Dismissed += handler;
});
await _tcs.Task;
}
/// <summary>
/// Shows a native Mac OS notification.
/// </summary>
public async Task Show()
{
// The deprecated NSUserNotification is the only one available on
// Xamarin.Mac
var notification = new NSUserNotification
{
Title = Title,
InformativeText = Message
};
if (AppLogoOverride != null)
{
// Just get stream for all cases, handling the ms-appx:// stuff is tricky.
var str = await AppLogoOverride.GetDataUrlAsync().ConfigureAwait(false);
int i = "data:;base64,".Length;
str = str.Substring(i);
var data = new NSData(str, NSDataBase64DecodingOptions.None);
notification.ContentImage = new AppKit.NSImage(data);
}
var center = NSUserNotificationCenter.DefaultUserNotificationCenter;
center.DeliverNotification(notification);
}
/// <summary>
/// Shows the toast notification.
/// </summary>
public async Task Show()
{
if (_manager == null)
{
_manager = await GetNotificationManager();
// Something bad happend.
if (_manager == null)
{
throw new InvalidOperationException("Failed to get toast notification manager for unknown reasons.");
}
CreateNotificationChannel();
}
var iconId = _application.ApplicationInfo.Icon;
if (iconId == 0)
{
iconId = Android.Resource.Drawable.SymDefAppIcon;
}
NotificationCompat.Builder builder = new NotificationCompat.Builder(_activity, channelId)
.SetContentTitle(Title)
.SetContentText(Message)
.SetSmallIcon(iconId);
if (AppLogoOverride != null)
{
var stream = await AppLogoOverride.GetStreamAsync().ConfigureAwait(false);
var bitmap = await BitmapFactory.DecodeStreamAsync(stream).ConfigureAwait(false);
builder.SetLargeIcon(bitmap);
}
var notification = builder.Build();
_manager.Notify(notificationId, notification);
}
internal Element_ToastBinding ConvertToElement()
{
Element_ToastBinding binding = new(ToastTemplateType.ToastGeneric)
{
BaseUri = BaseUri,
AddImageQuery = AddImageQuery,
Language = Language
};
// Add children
foreach (var child in Children)
{
var el = (IElement_ToastBindingChild)AdaptiveHelper.ConvertToElement(child);
binding.Children.Add(el);
}
// Add attribution
if (Attribution != null)
{
binding.Children.Add(Attribution.ConvertToElement());
}
// If there's hero, add it
if (HeroImage != null)
{
binding.Children.Add(HeroImage.ConvertToElement());
}
// If there's app logo, add it
if (AppLogoOverride != null)
{
binding.Children.Add(AppLogoOverride.ConvertToElement());
}
return(binding);
}
}
