TestButtonNavigationView

public class TestButtonNavigationView extends AppCompatActivity  {

    BottomNavigationView navigationView;
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.fragment_main);
        navigationView = findViewById(R.id.bottom_navigation);
        navigationView.setOnNavigationItemSelectedListener(navListener);


    }
    private BottomNavigationView.OnNavigationItemSelectedListener navListener =
            new BottomNavigationView.OnNavigationItemSelectedListener() {
                @Override
                public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
                    Fragment selectedFragment = null;

                    switch (menuItem.getItemId()) {
                        case R.id.nav_home:

                            break;
                        case R.id.nav_user:
                            selectedFragment =  new UserFragment();
                            ((UserFragment) selectedFragment).setListener(new UserFragment.OnButtonNavOpenedInterface() {
                                @Override
                                public void onOpen() {

                                        showBottomNavigationView(navigationView);
                                }

                                @Override
                                public void onClose() {
                                    hideBottomNavigationView(navigationView);
                                }
                            });
                            break;
                    }
                    getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container, selectedFragment).commit();
                    return true;
                }
            };

    private void hideBottomNavigationView(BottomNavigationView view) {
        view.clearAnimation();
        view.animate().translationY(view.getHeight()).setDuration(300);
    }

    public void showBottomNavigationView(BottomNavigationView view) {
        view.clearAnimation();
        view.animate().translationY(0).setDuration(300);
    }

}