Fragment+layout+viewpager嵌套Fragment+layout+viewpager解决切换空白问题

Fragment+layout+viewpager嵌套Fragment+layout+viewpager,切换外层Fragment后再返回最开始的Fragment会出现空白,无法加载,可以将getSupportFragmentManager()改成getChildFragmentManager()

public class HomeFragment extends Fragment {
    private TabLayout mTabLayout;
    private List<Fragment> mFragmentList;
    private FragmentPagerAdapter mAdapter;
    private ViewPager mViewPager;
    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.main_module_fragment_home,container,false);
        initView(view);
        return view;
    }

    private void initView(View view) {
        mTabLayout = view.findViewById(R.id.tab_layout);
        mViewPager = view.findViewById(R.id.viewpager);

        mTabLayout.addTab(mTabLayout.newTab().setText("打榜"));
        mTabLayout.addTab(mTabLayout.newTab().setText("推荐"));
        mTabLayout.addTab(mTabLayout.newTab().setText("小岛"));
        mTabLayout.addTab(mTabLayout.newTab().setText("专题"));
        mTabLayout.addTab(mTabLayout.newTab().setText("连载"));

        mFragmentList = new ArrayList<>(5);
        mFragmentList.add(new MakeListFragment());
        mFragmentList.add(new RecommendFragment());
        mFragmentList.add(new KojimaFragment());
        mFragmentList.add(new ThematicFragment());
        mFragmentList.add(new SerialFragment());

        mAdapter = new BaseTabFragmentPagerAdapter(getChildFragmentManager(),mFragmentList);
        mViewPager.setAdapter(mAdapter);

        mViewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(mTabLayout));
        mTabLayout.setOnTabSelectedListener(new TabLayout.ViewPagerOnTabSelectedListener(mViewPager));

    }
}

Demo地址:https://github.com/Yedongsheng/Fragment-layout-viewpager

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转载自blog.csdn.net/u013293125/article/details/104480073