Android 在“ViewPager2”中重用“Fragment”`

我想在

ViewPager2

中使用两次带有不同参数的

HomeFragment

，但不幸的是，它总是显示一个参数

我认为这个问题是由于匕首造成的。请看一看

这是

片段

模块和

main活动

碎片模块：

    @Module
    public abstract class FragmentModule {

         @ContributesAndroidInjector()
         abstract CategoryFragment contributeCategoryFragment();

         @ContributesAndroidInjector()
         abstract HomeFragment contributeHomeFragment();
    }

    public class MainActivity extends BaseActivity {
    @BindView(R.id.viewPager)
    ViewPager2 viewPager;
    @BindView(R.id.bnv)
    BottomNavigationView bnv;
    @Override
    protected int layoutRes() {
        return R.layout.activity_main;
    }
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setupViewPager();
        listenerView();
         //        NavController navController = Navigation.findNavController(this, R.id.navHostFragment);
         //        NavigationUI.setupWithNavController(bnv , navController);
    }
    private void setupViewPager() {
        ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager(), getLifecycle());
        adapter.addFragment(HomeFragment.newInstance(Constants.APP));
        adapter.addFragment(HomeFragment.newInstance(Constants.GAME));
        adapter.addFragment(CategoryFragment.newInstance());
        viewPager.setUserInputEnabled(false);
        viewPager.setAdapter(adapter);
    }
    private void listenerView() {
        bnv.setOnNavigationItemSelectedListener(
                item -> {
                    switch (item.getItemId()) {
                        case R.id.nav_apps:
                            viewPager.setCurrentItem(0,false);
                            break;
                        case R.id.nav_games:
                            viewPager.setCurrentItem(1,false);
                            break;
                        case R.id.nav_category:
                            viewPager.setCurrentItem(2,false);
                            break;
                    }
                    return false;
                });
        viewPager.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
            @Override
            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
                super.onPageScrolled(position, positionOffset, positionOffsetPixels);
                switch (position) {
                    case 0:
                        bnv.getMenu().findItem(R.id.nav_apps).setChecked(true);
                        break;
                    case 1:
                        bnv.getMenu().findItem(R.id.nav_games).setChecked(true);
                        break;
                    case 2:
                        bnv.getMenu().findItem(R.id.nav_category).setChecked(true);
                        break;
                }
            }
        });
    }

main活动：

    @Module
    public abstract class FragmentModule {

         @ContributesAndroidInjector()
         abstract CategoryFragment contributeCategoryFragment();

         @ContributesAndroidInjector()
         abstract HomeFragment contributeHomeFragment();
    }

    public class MainActivity extends BaseActivity {
    @BindView(R.id.viewPager)
    ViewPager2 viewPager;
    @BindView(R.id.bnv)
    BottomNavigationView bnv;
    @Override
    protected int layoutRes() {
        return R.layout.activity_main;
    }
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setupViewPager();
        listenerView();
         //        NavController navController = Navigation.findNavController(this, R.id.navHostFragment);
         //        NavigationUI.setupWithNavController(bnv , navController);
    }
    private void setupViewPager() {
        ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager(), getLifecycle());
        adapter.addFragment(HomeFragment.newInstance(Constants.APP));
        adapter.addFragment(HomeFragment.newInstance(Constants.GAME));
        adapter.addFragment(CategoryFragment.newInstance());
        viewPager.setUserInputEnabled(false);
        viewPager.setAdapter(adapter);
    }
    private void listenerView() {
        bnv.setOnNavigationItemSelectedListener(
                item -> {
                    switch (item.getItemId()) {
                        case R.id.nav_apps:
                            viewPager.setCurrentItem(0,false);
                            break;
                        case R.id.nav_games:
                            viewPager.setCurrentItem(1,false);
                            break;
                        case R.id.nav_category:
                            viewPager.setCurrentItem(2,false);
                            break;
                    }
                    return false;
                });
        viewPager.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
            @Override
            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
                super.onPageScrolled(position, positionOffset, positionOffsetPixels);
                switch (position) {
                    case 0:
                        bnv.getMenu().findItem(R.id.nav_apps).setChecked(true);
                        break;
                    case 1:
                        bnv.getMenu().findItem(R.id.nav_games).setChecked(true);
                        break;
                    case 2:
                        bnv.getMenu().findItem(R.id.nav_category).setChecked(true);
                        break;
                }
            }
        });
    }