Facebook SDK unity error? Can only post on one account

Questions & Answers
1

Hi, i had add facebook sdk success to my unity game, when i use my facebook developer account then login to facebook and post a message and photo to facebook it working perfectly.
But when i change to another facebook account and post a message and photo i get an error message:

java.io.FileNotFoundException: https://graph.facebook.com/me/photos ?
Here is my code:

// After call init and login success:  

public IEnumerator TakeScreenshot() 
		{	
            yield return new WaitForEndOfFrame();
            
            var width = Screen.width;
            var height = Screen.height;
            var tex = new Texture2D(width, height, TextureFormat.RGB24, false);
            // Read screen contents into the texture
            tex.ReadPixels(new Rect(0, 0, width, height), 0, 0);
            tex.Apply();
			stt = "Connecting to facebook...";
			byte[] screenshot = tex.EncodeToPNG();
            
            var wwwForm = new WWWForm();
            wwwForm.AddBinaryData("image", screenshot, "InteractiveConsole.png");
            wwwForm.AddField("message", "I just score "+score.ToString()");
            
            FB.API("me/photos", Facebook.HttpMethod.POST, Callback, wwwForm);
        }

call TakeScreenshot() function to post massage and photo to facebook wall.

2

It’s a common issue. Here is the synopsis.

  • Posting requires the publish_actions permission
  • publish_actions requires explicit permission from Facebook
  • Only people listed as developers on your app will be able to use publish_actions until you submit your app to Facebook for approval

Let me know if you need guidance on this process. Facebook’s documentation is pretty terrible.

3

You have to ask the permission on login.
You can use the login function from facebook API:

FB.Login(“publish_actions”);

4

Facebook Api permissions :

If your app asks for more than than public_profile, email and user_friends it will require review by Facebook before your app can be used by people other than the app’s developers.

The time to review your app is usually about 7 business days. Some extra-sensitive permissions, as noted below, can take up to 14 business days.

How to add permissions：

How to add test account：