Reference (Old Docs)
GraphRequest.Callback

Specifies the interface that consumers of the Request class can implement in order to be notified when a particular request completes, either successfully or with an error.

Package:facebook
Instance Methods
onCompleted(GraphResponse)

The method that will be called when a request completes.

public void onCompleted(GraphResponse response)
ParameterDescription
responseThe Response of this request, which may include error information if the request was unsuccessful