fm.beginTransaction().setCustomAnimations(R.anim.slide_left,R.anim.slide_right)
.add(R.id.container,fragment, fragment.toString())
.addToBackStack(fragment.toString()).commit();

fm.beginTransaction().setCustomAnimations(R.anim.slide_left,
R.anim.slide_right).remove(fragment).commit();
fm.popBackStack();

@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
    super.onCreateView(inflater, container, savedInstanceState);
    LinearLayout v =(LinearLayout) getLayoutInflater().inflate(R.layout.fragment_base_screen, container, false);
    addSubLayout(v);
    return v;
}