Android programming with tabs question

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I am fixing a program for my university and i have a small problem. I have some tabs and a login screen. When my program starts i make a socket connection with another android, the server to be more specific. Then i create the tabs... My problem now is...when i use a tab... it creates a new class item. Can i somehow past my already created socket there? as param or something? i found something with activitity.getParent() function but havent solved it yet If someone has a clue let me know plz :-) thanks