FragmentQuote.java

public class FragmentQuote extends LifecycleFragment{
	private QuoteViewModel quoteViewModel;
	private TextView quotetv;
	private TextView authortv;

	@Nullable
	@Override
	public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
		View view = inflater.inflate(R.layout.fragment_quote,container,false);
		quotetv = (TextView) view.findViewById(R.id.quote);
		authortv = (TextView) view.findViewById(R.id.author);
		return view;
	}

	@Override
	public void onActivityCreated(@Nullable Bundle savedInstanceState) {
		super.onActivityCreated(savedInstanceState);
		quoteViewModel = ViewModelProviders.of(this).get(QuoteViewModel.class);
		quoteViewModel.init( getArguments().getString(Constants.stringConstants.CATEGORY_ID), Constants.quoteParam.count);
		quoteViewModel.getQuote().observe(this, new Observer<Quote>() {
			@Override
			public void onChanged(@NonNull Quote quote) {
			quotetv.setText(quote.getQuote());
			authortv.setText(quote.getAuthor());
			}
		});
	}
}