android-mvvm-with-dagger-2

BaseFragment.java

public abstract class BaseFragment extends DaggerFragment {

    private Unbinder unbinder;
    private AppCompatActivity activity;

    @LayoutRes
    protected abstract int layoutRes();

    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(layoutRes(), container, false);
        unbinder = ButterKnife.bind(this, view);
        return view;
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        activity = (AppCompatActivity) context;
    }

    @Override
    public void onDetach() {
        super.onDetach();
        activity = null;
    }

    public AppCompatActivity getBaseActivity() {
        return activity;
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        if(unbinder != null) {
            unbinder.unbind();
            unbinder = null;
        }
    }
}