public override void AppInvite(
Uri appLinkUrl,
Uri previewImageUrl,
FacebookDelegate <IAppInviteResult> callback)
{
string appLinkUrlStr = string.Empty;
string previewImageUrlStr = string.Empty;
if (appLinkUrl != null && !string.IsNullOrEmpty(appLinkUrl.AbsoluteUri))
{
appLinkUrlStr = appLinkUrl.AbsoluteUri;
}
if (previewImageUrl != null && !string.IsNullOrEmpty(previewImageUrl.AbsoluteUri))
{
previewImageUrlStr = previewImageUrl.AbsoluteUri;
}
IOSFacebook.IOSAppInvite(
this.AddCallback(callback),
appLinkUrlStr,
previewImageUrlStr);
}
