/// <summary>
/// Shows the native SLComposeViewController to post a message with image and/or URL on Facebook, Twitter, or Weibo.
/// Raises PostCompleted event when completed.</summary>
/// <remarks>
/// This is available in iOS 6.0 and later.
/// </remarks>
/// <param name="serviceType"> The service to post to. See <see cref="SLRequest">Constants in SLRequest</see>.</param>
/// <param name="message"> The message to post or can be null.</param>
/// <param name="image"> The image to post or can be null.</param>
/// <param name="url"> The URL to post or can be null.</param>
/// <param name="checkServiceAvailable"> Whether to check if the service is available first.</param>
/// <returns> True if it is able to show the native view controller; false if the service type is not available.</returns>
public static bool Post(string serviceType, string message, UIImage image, String url, bool checkServiceAvailable)
{
if (checkServiceAvailable && !SLComposeViewController.IsAvailable(serviceType))
{
return(false);
}
var vc = SLComposeViewController.ComposeViewController(serviceType);
if (vc.IsNil)
{
return(false);
}
vc.completionHandler = _composeViewCompleted;
if (message != null)
{
vc.SetInitialText(message);
}
if (image != null)
{
vc.AddImage(image);
}
if (url != null)
{
vc.AddURL(new NSURL(url));
}
UIApplication.deviceRootViewController.PresentViewController(vc, true, null);
return(true);
}
