public override Task <object> ShowToastAsync(ToastParameters toastParameters)
{
UIAlertController alert = UIAlertController.Create(
toastParameters.Caption?.ToString(),
toastParameters.Body?.ToString(), UIAlertControllerStyle.Alert);
var source = new TaskCompletionSource <object>();
// Configure the alert
alert.AddAction(UIAlertAction.Create(DefaultOkaySymbol, UIAlertActionStyle.Default, action =>
{
source.SetResult(null);
}));
var controller = UIApplication.SharedApplication.KeyWindow.RootViewController;
// Display the alert
controller.PresentViewController(alert, true, null);
return(source.Task);
}
public abstract Task <object> ShowToastAsync(ToastParameters toastParameters);
public override Task <object> ShowToastAsync(ToastParameters toastParameters)
{
Context context = ResolveContext();
var toastLength = toastParameters.MillisecondsUntilHidden > 3000 ? ToastLength.Long : ToastLength.Short;
string newLineCharacter = Java.Lang.JavaSystem.LineSeparator();
var content = toastParameters.Caption?.ToString().Parse();
View toastView = toastParameters.Body as View;
if (toastView == null)
{
if (string.IsNullOrWhiteSpace(content))
{
content = toastParameters.Body?.ToString().Parse();
}
else
{
string bodyString = toastParameters.Body?.ToString();
if (!string.IsNullOrWhiteSpace(bodyString))
{
content = content + newLineCharacter + bodyString.Parse();
}
}
}
Toast toast;
if (toastView == null)
{
var body = new Java.Lang.String(content);
toast = Toast.MakeText(context, body, toastLength);
}
else
{
toast = new Toast(context)
{
View = toastView
};
}
if (toastParameters.VerticalOrientation.HasValue)
{
var verticalOrientation = toastParameters.VerticalOrientation.Value;
if (verticalOrientation == ToastVerticalOrientation.Top)
{
toast.SetGravity(GravityFlags.Top, 0, 0);
}
else if (verticalOrientation == ToastVerticalOrientation.Center)
{
toast.SetGravity(GravityFlags.CenterVertical, 0, 0);
}
else if (verticalOrientation == ToastVerticalOrientation.Bottom)
{
toast.SetGravity(GravityFlags.Bottom, 0, 0);
}
}
var source = new TaskCompletionSource <object>();
UIContext.Instance.Send(() =>
{
try
{
toast.Show();
}
catch (Exception ex)
{
source.SetException(ex);
return;
}
source.SetResult(null);
});
return(source.Task);
}
public override Task <object> ShowToastAsync(
ToastParameters toastParameters)
{
AssertArg.IsNotNull(toastParameters, nameof(toastParameters));
/* TODO: Implement image display. */
var template = @"
<toast>
<visual>
<binding template=""ToastGeneric"">
<text>{0}</text>
<text>{1}</text>
</binding>
</visual>
</toast>
";
string body = toastParameters.Body?.ToString()?.Parse();
string caption = toastParameters.Caption?.ToString()?.Parse();
var xml = string.Format(template, caption, body);
var xmlDocument = new XmlDocument();
xmlDocument.LoadXml(xml);
var toast = new ToastNotification(xmlDocument);
if (toastParameters.MillisecondsUntilHidden.HasValue)
{
toast.ExpirationTime = DateTimeOffset.Now.AddMilliseconds(
toastParameters.MillisecondsUntilHidden.Value);
}
var source = new TaskCompletionSource <object>();
TypedEventHandler <ToastNotification, object> activatedHandler = null;
TypedEventHandler <ToastNotification, ToastDismissedEventArgs> dismissedHandler = null;
TypedEventHandler <ToastNotification, ToastFailedEventArgs> failedHandler = null;
activatedHandler = (o, e) =>
{
toast.Activated -= activatedHandler;
toast.Dismissed -= dismissedHandler;
toast.Failed -= failedHandler;
source.SetResult(e);
};
dismissedHandler = (o, e) =>
{
toast.Activated -= activatedHandler;
toast.Dismissed -= dismissedHandler;
toast.Failed -= failedHandler;
source.SetResult(e.Reason);
};
failedHandler = (o, e) =>
{
toast.Activated -= activatedHandler;
toast.Dismissed -= dismissedHandler;
toast.Failed -= failedHandler;
source.SetResult(e.ErrorCode);
};
toast.Activated += activatedHandler;
toast.Dismissed += dismissedHandler;
toast.Failed += failedHandler;
ToastNotificationManager.CreateToastNotifier().Show(toast);
return(source.Task);
}
public override Task <object> ShowToastAsync(ToastParameters toastParameters)
{
throw new NotImplementedException();
}