I encountered an issue while configuring my own account for android
contacts sync. When the user choses to add a new contact to the custom
account, only the name fields and the photo are showed. This behaviour
can be found in the ExternalSource.java android source file.
My question is, if I don't want to add custom contacts fields for my
account, how can I configure the account to show all the standard
fields in the contacts application in the same way the google account