public static async Task InvokeOnMainThreadAsync(this UIApplication sharedApplication, Func <Task> asyncDelegateToExecute)
{
var tcs = new TaskCompletionSource <Unit>();
sharedApplication.InvokeOnMainThread(async() =>
{
try
{
await asyncDelegateToExecute();
tcs.TrySetResult(Unit.Default);
}
catch (Exception ex)
{
tcs.TrySetException(ex);
}
});
await tcs.Task.ConfigureAwait(false);
}
/// <summary>
/// Reset Application Icon Badge Number when there are no notifications.
/// </summary>
/// <param name="uiApplication"></param>
public static void ResetApplicationIconBadgeNumber(UIApplication uiApplication)
{
if (UIDevice.CurrentDevice.CheckSystemVersion(10, 0) == false)
{
return;
}
//Remove badges on app enter foreground if user cleared the notification in the notification panel
UNUserNotificationCenter.Current.GetDeliveredNotifications((notificationList) =>
{
if (notificationList.Any())
{
return;
}
uiApplication.InvokeOnMainThread(() =>
{
uiApplication.ApplicationIconBadgeNumber = 0;
});
});
}
public static async Task <T> InvokeOnMainThreadAsync <T>(this UIApplication sharedApplication, Func <Task <T> > asyncDelegateToExecute)
{
var tcs = new TaskCompletionSource <T>();
sharedApplication.InvokeOnMainThread(async() =>
{
try
{
var result = await asyncDelegateToExecute();
tcs.TrySetResult(result);
}
catch (Exception ex)
{
tcs.TrySetException(ex);
}
});
return(await tcs.Task.ConfigureAwait(false));
}
public static void SafeInvokeOnMainThread(this UIApplication app, Action action) => app.InvokeOnMainThread(() =>
{
try
{
action();
}
catch (Exception ex)
{
// Log.Error("", ex.ToString());
}
});
