Code example for Fragment

            return v;
        } 
 
        @Override 
        public void onActivityCreated(Bundle savedInstanceState) {
            super.onActivityCreated(savedInstanceState);
 
            FragmentManager fm = getFragmentManager();
 
            // Check to see if we have retained the worker fragment. 
            mWorkFragment = (RetainedFragment)fm.findFragmentByTag("work");
 
            // If not retained (or first time running), we need to create it. 
            if (mWorkFragment == null) {
                mWorkFragment = new RetainedFragment();
                // Tell it who it is working with. 
                mWorkFragment.setTargetFragment(this, 0);
                fm.beginTransaction().add(mWorkFragment, "work").commit();
            } 
        }