How to implement API codes to unity

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My Studio asked Mar 22, '16

How to implement API codes to unity

Dear Playfab developers,

First of all sorry for such a "Stupid" question but if this is answered I can continue developing my game.

My question is as following:

When I read https://api.playfab.com/docs/getting-started-with-playfab there you can see good c# codes which I can implement in my game and it works.

But if I search for loginwithfacebook I find the following: https://api.playfab.com/Documentation/Client/method/LoginWithFacebook

There you see this example:

Sample Request

POST https://{
                 {TitleID}}.playfabapi.com/Client/LoginWithFacebook
Content-Type: application/json;
{
  "TitleId": "1",
  "AccessToken": "FaceAccessTokenID",
  "CreateAccount": false
}

How can I convert this to c# code to use it with my game? Any tutorials on this?

Thanks in advance,

Speedt4

10 |1200

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Answer 1 · 2016-03-23T00:28:00Z

brendan answered Mar 23, '16

Your best bet would be to download and use our Unity SDK, which contains all the API methods, wrapped up as C# calls in Unity: https://api.playfab.com/sdks/unity.

All our calls are Web API under the covers, which is why our core documentation describes them at that level. All the calls are then wrapped in a simple pattern for our SDKs, with success/failure callbacks wherever possible. The SDKs also take care of JSON serialization/deserialization and making the HTTP calls.

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Answer 2 · 2016-03-23T00:46:30Z

My Studio answered Mar 23, '16

I have downloaded the SDK, I am testing the following to login with facebook:

void Start()
{
FB.Init();
PlayFabSettings.TitleId = "/*I hide this for this forum*/";
Login_FB(PlayFabSettings.TitleId);
}

void Login_FB(string titleId)
{
LoginWithFacebookRequest request = new LoginWithFacebookRequest()
{
TitleId = titleId,
CreateAccount = true,
AccessToken = AccessToken.CurrentAccessToken.ToString()
};

PlayFabClientAPI.LoginWithFacebook(request, (result) => {
PlayFabId = result.PlayFabId;

Debug.Log("Got PlayFabID: " + PlayFabId);

if (result.NewlyCreated)
{
Debug.Log("(new account)");
}
else
{
Debug.Log("(existing account)");
}
},
(error) => {
Debug.Log("Error logging in player with Facebook:");
Debug.Log(error.ErrorMessage);
});
}

I don't get compile errors but when I start my game I get the following error:

NullReferenceException: Object reference not set to an instance of an object
PlayFabManager.Login_FB (System.String titleId) (at Assets/Scripts/Networking scripts/PlayFabManager.cs:21)
PlayFabManager.Start () (at Assets/Scripts/Networking scripts/PlayFabManager.cs:16)

So that means that I am doing something wrong with the "PlayFabSettings.TitleId"

Can you maybe push me in the right direction?

With kind regards,

Speedt4

10 |1200

Attachments: Up to 2 attachments (including images) can be used with a maximum of 512.0 KiB each and 1.0 MiB total.

Answer 3 · 2016-03-23T02:08:49Z

brendan answered Mar 23, '16

Actually, it means that your function Login_FB(System.String titleId) - the signature of the function call - has a null reference exception on or around line 21 of the file. I suspect the issue is this line:

AccessToken = AccessToken.CurrentAccessToken.ToString()

There is no CurrentAccessToken string as a member of AccessToken. AccessToken itself is simply a string. Can you have a look at how you're retrieving and using the Facebook token in your code?

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Attachments: Up to 2 attachments (including images) can be used with a maximum of 512.0 KiB each and 1.0 MiB total.

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