PubSubManager() cannot be instantiated

Hey,

I am trying to develop an android app that communicates with a server with PubSub

When I try to instanciate a PubSubManager I get the follwoing Message:

The constructor PubSubManager(XMPPConnection) is undefined

When I then change

XMPP connection = new XMPPConnection(connConfig);

in

Connection connection = new XMPPConnection(connConfig);

I get

cannot convert XMPPConnection to Connection

What do I have to change

Thanks for your help