Why am I getting a null reference on my RecyclerView

Question

I am trying to use the RecyclerView in my fragments. It shows up fine for the first tab, but when I swipe to the second tab and then back to the first one I get the following er

Answer 1

Because it has already inflated pref.xml . You should remove this:

    @Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    mRootView = inflater.inflate(R.layout.xxx, container, false);
    return mRootView;
}