[Résolu] Réutiliser fragments d'autres activités

public class HeadlinesFragment extends ListFragment {
    ...
    OnHeadlineSelectedListener mHeadlineSelectedListener = null;

    /* Must be implemented by host activity */
    public interface OnHeadlineSelectedListener {
        public void onHeadlineSelected(int index);
    }
    ...

    public void setOnHeadlineSelectedListener(OnHeadlineSelectedListener listener) {
        mHeadlineSelectedListener = listener;
    }
}