// FBSample logic
// This is a helper function that returns an FBGraphObject representing a meal
SCOGMeal MealObjectForMeal(String meal)
{
// We create an FBGraphObject object, but we can treat it as an SCOGMeal with typed
// properties, etc.
// SCOGMeal result = (SCOGMeal) FBGraphObject.GraphObject();
FBGraphObject obj = FBGraphObject.GraphObject();
SCOGMeal result = new SCOGMeal(obj.Handle);
// Give it a URL of sample data that contains the object's name, title, description, and body.
// These OG object URLs were created using the edit open graph feature of the graph tool
// at https://www.developers.facebook.com/apps/
if (meal == "Cheeseburger")
{
result.Url = "http://samples.ogp.me/314483151980285";
}
else if (meal == "Pizza")
{
result.Url = "http://samples.ogp.me/314483221980278";
}
else if (meal == "Hotdog")
{
result.Url = "http://samples.ogp.me/314483265313607";
}
else if (meal == "Italian")
{
result.Url = "http://samples.ogp.me/314483348646932";
}
else if (meal == "French")
{
result.Url = "http://samples.ogp.me/314483375313596";
}
else if (meal == "Chinese")
{
result.Url = "http://samples.ogp.me/314483421980258";
}
else if (meal == "Thai")
{
result.Url = "http://samples.ogp.me/314483451980255";
}
else if (meal == "Indian")
{
result.Url = "http://samples.ogp.me/314483491980251";
}
return(result);
}
void FQLSample()
{
// Query to fetch the active user's friends, limit to 25.
string query = "SELECT uid, name, pic_big FROM user WHERE uid IN " +
"(SELECT uid2 FROM friend WHERE uid1 = me() LIMIT 25)";
// Set up the query parameter
var queryParam = NSDictionary.FromObjectAndKey(new NSString(query), new NSString("q"));
// Make the API request that uses FQL
FBRequestConnection.StartWithGraphPath("/fql", queryParam, "GET", (connection, result, error) => {
if (error != null)
{
InvokeOnMainThread(() => new UIAlertView("Error", error.Description, null, "Ok", null).Show());
}
else
{
// Here we use an utility method to extract all FBGraphObjects that came from the result
var users = FBGraphObject.FromResultObject(result);
// We create a RootElement that will hold the list
// of people that returned in the result
var root = new RootElement("25 Friends")
{
new Section()
};
foreach (var usr in users)
{
root[0].Add(new HtmlElement(usr["name"] as NSString, new NSUrl(usr["pic_big"] as NSString)));
}
// We create the Dialog View Controller that will display the results and push it.
var friendsDialog = new DialogViewController(root, true);
NavigationController.PushViewController(friendsDialog, true);
}
});
}
// FBSample logic
// Creates the Open Graph Action.
void PostOpenGraphAction()
{
// First create the Open Graph meal object for the meal we ate.
SCOGMeal mealObject = MealObjectForMeal(selectedMeal);
// Now create an Open Graph eat action with the meal, our location, and the people we were with.
//SCOGEatMealAction action = (SCOGEatMealAction)FBGraphObject.GraphObject ();
FBGraphObject obj = FBGraphObject.GraphObject();
SCOGEatMealAction action = new SCOGEatMealAction(obj.Handle);
action.Meal = mealObject;
if (selectedPlace != null)
{
action.Place = selectedPlace;
}
if (selectedFriends != null)
{
action.Tags = selectedFriends;
}
// Create the request and post the action to the "me/fb_sample_scrumps:eat" path.
FBRequestConnection.StartForPostWithGraphPath("me/fb_sample_mtscrumps:eat", action, (FBRequestConnection connection, NSObject result, NSError error) => {
activityIndicator.StopAnimating();
this.View.UserInteractionEnabled = true;
if (error == null)
{
new UIAlertView("Result", "Posted Open Graph action, id: " + (string)new NSString(result.ValueForKey(new NSString("id")).Handle), null, "Thanks!", null).Show();
selectedMeal = null;
selectedPlace = null;
selectedFriends = null;
selectedPhoto = null;
UpdateSelections();
}
else
{
// do we lack permissions here? If so, the application's policy is to reask for the permissions, and if
// granted, we will recall this method in order to post the action
// TODO: Resolve Status Code 200
if (false)
{
Console.WriteLine(error.LocalizedDescription);
FBSession.ActiveSession.ReauthorizeWithPublishPermissions(new string[] { "publish_actions" }, FBSessionDefaultAudience.Friends, (FBSession fsession, NSError innerError) =>
{
if (innerError == null)
{
// re-call assuming we now have the permission
PostOpenGraphAction();
}
else
{
// If we are here, this means the user has disallowed posting after a retry
// which means iOS 6.0 will have turned the app's slider to "off" in the
// device settings->Facebook.
// You may want to customize the message for your application, since this
// string is specifically for iOS 6.0.
new UIAlertView("Permission To Post Disallowed", "Use device settings->Facebook to re-enable permission to post.", null, "Ok!", null).Show();
}
});
}
else
{
new UIAlertView("Result", "error: domain = " + error.Domain + ", code = " + (FBErrorCode)error.Code, null, "Ok", null).Show();
}
}
});
}
