How save list of objects onStop/onPause of activity in android

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http://stackoverflow.com – Lately writing some app I've been stopped by one problem. In this app I have two activities: A and B. In activity A I am downloading list of objects from web each time when GPS coordinates change. To this activity there is connected bound service with GPS and Internet connection call. Those objects are then put into list created from their names and after pressing on any of this I can open the B activity passing this object and in activity B get some more info from this object. Activity B hasn't got any bound service, it's only taking what is inside object and display it. Because bound serv (HowTos)