停止刷新底部导航栏片段

ViewPager2 viewPager = findViewById(R.id.view_pager);
FragmentStateAdapter pagerAdapter = new FragmentStateAdapter(this) {
    @NonNull
    @Override
    public Fragment createFragment(int position) {
        switch (position) {
            case 0: return new HomeFragment();
            case 1: return new SearchFragment();
            case 2: return new ProfileFragment();
            default: throw new IllegalArgumentException("Invalid position");
        }
    }

    @Override
    public int getItemCount() {
        return 3;
    }
};
viewPager.setAdapter(pagerAdapter);

BottomNavigationView bottomNav = findViewById(R.id.bottom_nav);
bottomNav.setOnNavigationItemSelectedListener(item -> {
    switch (item.getItemId()) {
        case R.id.navigation_home:
            viewPager.setCurrentItem(0, false);
            return true;
        case R.id.navigation_search:
            viewPager.setCurrentItem(1, false);
            return true;
        case R.id.navigation_profile:
            viewPager.setCurrentItem(2, false);
            return true;
    }
    return false;
});

FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.fragment_container, new TargetFragment());
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();