[Unity] ContinueWith never fires first time getting data using GetValueAsync

[Johan Gustafsson]

I'm using the new Unity-SDK to implement a highscore feature in a game.

I am using the code below to fetch update the highscores but the first time I call it the ContinueWith does not fire. However, after the first call it starts working just fine. What am I doing wrong here?

    public void GetHighscore(Action<DataSnapshot> callback) {

        highscoreRef.OrderByChild("total_score").LimitToLast(10).GetValueAsync().ContinueWith(task => {

            if (task.IsFaulted) {

                // Handle the error...

                Debug.Log(task.Exception.Message);

            }

            else if (task.IsCompleted) {

                callback(task.Result);

            }

        });

    }

So the first time it never enters the lambda function inside ContinueWith.

Best regards,
Johan

[Frank van Puffelen]

Cross-post: http://stackoverflow.com/questions/40679118/new-firebase-unity-sdk-calling-getvalueasync-on-a-query-wont-fire-its-continue

[Kato Richardson]

Hi Johan,

Are there no possible cases other than error or isCompleted? Can you add an else to check?

I'm not a unity buff, but that seems like the first thing to rule out.

Kato

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[Benjamin Wulfe]

Hi Johan, I am not seeing what you are seeing.  I would double check that you are handling cases where say the Result might be null or empty in your callback.

Our support folks are good at walking through issues with you.

https://firebase.google.com/support/contact/troubleshooting/

[Johan Gustafsson]

This has been answered and discussed in http://stackoverflow.com/questions/40679118/new-firebase-unity-sdk-calling-getvalueasync-on-a-query-wont-fire-its-continue/40686832?noredirect=1#comment68618398_40686832




[Johan Gustafsson]

Hey Kato,

It never enters the lambda function so the code inside doesnt really matter. Benjamin and I had a discussion regarding this in http://stackoverflow.com/questions/40679118/new-firebase-unity-sdk-calling-getvalueasync-on-a-query-wont-fire-its-continue/ if you are interested.


Best regards

Den fredag 18 november 2016 kl. 21:31:49 UTC+1 skrev Kato Richardson:

Hi Johan,

Are there no possible cases other than error or isCompleted? Can you add an else to check?

I'm not a unity buff, but that seems like the first thing to rule out.

Kato

On Nov 18, 2016 6:13 AM, "Johan Gustafsson" <johan....@gmail.com> wrote:

I'm using the new Unity-SDK to implement a highscore feature in a game.

I am using the code below to fetch update the highscores but the first time I call it the ContinueWith does not fire. However, after the first call it starts working just fine. What am I doing wrong here?

    public void GetHighscore(Action<DataSnapshot> callback) {

        highscoreRef.OrderByChild("total_score").LimitToLast(10).GetValueAsync().ContinueWith(task => {

            if (task.IsFaulted) {

                // Handle the error...

                Debug.Log(task.Exception.Message);

            }

            else if (task.IsCompleted) {

                callback(task.Result);

            }

        });

    }

So the first time it never enters the lambda function inside ContinueWith.

Best regards,
Johan

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[Kato Richardson]

Cool, glad you got a solution. As a general rule of etiquette, you can show respect for the community's time by always letting developers know when you cross-post your questions. In this way, you can avoid multiple developers spending precious time typing out duplicate follow-up questions and replies.

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Kato Richardson |

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