void OnGUI() { // center labels GUI.skin.label.alignment = TextAnchor.MiddleCenter; beginColumn(); if (GUILayout.Button("Initialize Facebook")) { FacebookCombo.init(); } if (GUILayout.Button("Login")) { // Note: requesting publish permissions here will result in a crash. Only read permissions are permitted. var permissions = new string[] { "email" }; FacebookCombo.loginWithReadPermissions(permissions); } if (GUILayout.Button("Reauth with Publish Permissions")) { var permissions = new string[] { "publish_actions", "publish_stream" }; FacebookCombo.reauthorizeWithPublishPermissions(permissions, FacebookSessionDefaultAudience.OnlyMe); } if (GUILayout.Button("Logout")) { FacebookCombo.logout(); } if (GUILayout.Button("Is Session Valid?")) { // isSessionValid only checks the local session so if a user deauthorizies the application on Facebook's website it can be incorrect var isLoggedIn = FacebookCombo.isSessionValid(); Debug.Log("Facebook is session valid: " + isLoggedIn); // This way of checking a session hits Facebook's servers ensuring the session really is valid Facebook.instance.checkSessionValidityOnServer(isValid => { Debug.Log("checked session validity on server. Is it valid? " + isValid); }); } if (GUILayout.Button("Get Access Token")) { var token = FacebookCombo.getAccessToken(); Debug.Log("access token: " + token); } if (GUILayout.Button("Get Granted Permissions")) { // This way of getting session permissions uses Facebook's SDK which is a local cache. It can be wrong for various reasons. var permissions = FacebookCombo.getSessionPermissions(); foreach (var perm in permissions) { Debug.Log(perm); } // This way of getting the permissions hits Facebook's servers so it is certain to be valid. Facebook.instance.getSessionPermissionsOnServer(completionHandler); } if (GUILayout.Button("Show Share Dialog")) { var parameters = new Dictionary <string, object> { { "link", "http://prime31.com" }, { "name", "link name goes here" }, { "picture", "http://prime31.com/assets/images/prime31logo.png" }, { "caption", "the caption for the image is here" }, { "description", "description of what this share dialog is all about" } }; FacebookCombo.showFacebookShareDialog(parameters); } endColumn(true); secondColumnButtonsGUI(); endColumn(false); if (bottomRightButton("Twitter...")) { Application.LoadLevel("TwitterCombo"); } }