[안드로이드]Nested Fragment 질문

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안녕하세요구글링을 통해서 계속 시도는 하였지만 실행되지 않아서 질문남깁니다.현재 ManinActivity의 FrameLayout에 Fragment까지는 연결하였는데,이 Fragment에 Viewpager xml에 등록하고 또 fragment를 올리려고하니 잘안됩니다.getChildFragmentManager를 쓰면 해결이 된다고 하는데, 코드 확인좀 부탁드릴게요 MainFragment1 (xml에 viewpager 연결)public class MainFragment1 extends Fragment { public MainFragment1() { // Required empty public constructor } PagerAdapter mainPagerAdapter = new MainPagerAdapter(getChildFragmentManager()); @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View v = inflater.inflate(R.layout.fragment_main_fragment1, container, false); ViewPager main1_viewPager = (ViewPager) v.findViewById(R.id.main_1_vp); Fragment mainFragment1Vp1 = new MainFragment1Vp1(); setupViewPager(main1_viewPager); //FragmentTransaction transaction = getChildFragmentManager().beginTransaction(); //transaction.replace(R.id.main_1_vp, mainFragment1Vp1).addToBackStack(null).commit(); return v; } @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); } public void setupViewPager(ViewPager viewPager){ mainPagerAdapter.addFragment(new MainFragment1Vp1()); mainPagerAdapter.addFragment(new MainFragment1Vp2()); mainPagerAdapter.addFragment(new MainFragment1Vp3()); viewPager.setAdapter(mainViewPagerAdapter); } } PagerAdapterpublic class MainPagerAdapter extends FragmentPagerAdapter { private final List mfragmentList = new ArrayList<>(); public MainPagerAdapter(FragmentManager fm){ super(fm); } public void addFragment(Fragment fragment){ mfragmentList.add(fragment); } @NonNull @Override public Fragment getItem(int position) { switch (position){ case 0 : MainFragment1Vp1 mainFragment1Vp1 = new MainFragment1Vp1(); return mainFragment1Vp1; case 1 : MainFragment1Vp2 mainFragment1Vp2 = new MainFragment1Vp2(); return mainFragment1Vp2; case 2 : MainFragment1Vp3 mainFragment1Vp3 = new MainFragment1Vp3(); return mainFragment1Vp3; } return null; //return mfragmentList.get(position); } @Override public int getCount() { return mfragmentList.size(); } } Viewpager에 올릴 Fragment는 아래와 같이 여러개가 있습니다. MainFragment1Vp1, Vp2..이렇게 이어집니다.public class MainFragment1Vp1 extends Fragment { public MainFragment1Vp1() { // Required empty public constructor } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment return inflater.inflate(R.layout.fragment_main_fragment1_vp1, container, false); } }검토좀 부탁드립니다...며칠째 제자리 걸음이라서요./.

[안드로이드]Nested Fragment 질문

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