Gigia doesn't work with Facebook while Google and Yahoo do work
Verify that the FacebookAppID in the app's .plist and what is on Gigya are the same. Also update the URL Scheme.
How to implement a Sign in function by using Gigya API in JAVA?
As mentioned by Ilan, firstly you'll need to include the Gigya Java SDK. You can then look up the UID using either the Identity Access or Identity Query Tool within Gigya console and use the follow code to delete the account: // delete user record GSRequest deleteAccountRequest = new GSRequest(apiKey,...