Java 重新加载片段,片段不调用onCreateView
我有一个片段(C)和一个带有2个片段(a/B)的ViewPager(适配器)。 当我调用片段一次时,它们加载良好。 但是当我在第二次调用片段(C)时,片段A和B不调用视图onCreateView方法,并且没有加载 片段C由Fragmetnmanger调用:Java 重新加载片段,片段不调用onCreateView,java,android,android-fragments,android-viewpager,fragment,Java,Android,Android Fragments,Android Viewpager,Fragment,我有一个片段(C)和一个带有2个片段(a/B)的ViewPager(适配器)。 当我调用片段一次时,它们加载良好。 但是当我在第二次调用片段(C)时,片段A和B不调用视图onCreateView方法,并且没有加载 片段C由Fragmetnmanger调用: FragmentC fragment = new FragmentC(); getActivity().getSupportFragmentManager().beginTransaction().replace(R.
FragmentC fragment = new FragmentC();
getActivity().getSupportFragmentManager().beginTransaction().replace(R.id.adressenmdf_detail_container, fragment).addToBackStack(null).commit();
片段C
public BelegeDetails(){
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.activity_belege_details, container, false);
//TODO Actionbar noch anpassen
//getSupportActionBar().setDisplayHomeAsUpEnabled(true);
viewPager = (ViewPager) rootView.findViewById(R.id.viewpager);
setupViewPager(viewPager);
tabLayout = (TabLayout) rootView.findViewById(R.id.tabs);
tabLayout.setupWithViewPager(viewPager);
setupTabIcons();
片段C中的设置
private void setupViewPager(ViewPager viewPager) {
ViewPagerAdapter adapter = new ViewPagerAdapter(this.getFragmentManager());
adapter.addFragment(new BelegeDetails1(),"Details" );
adapter.addFragment(new BelegeDetailsPos(), "Positionen");
viewPager.setAdapter(adapter);
}
private void setupTabIcons() {
tabLayout.getTabAt(1).setIcon(R.drawable.ic_belege);
}
class ViewPagerAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragmentList = new ArrayList<>();
private final List<String> mFragmentTitleList = new ArrayList<>();
public ViewPagerAdapter(FragmentManager manager) {
super(manager);
}
@Override
public Fragment getItem(int position) {
return mFragmentList.get(position);
}
@Override
public int getCount() {
return mFragmentList.size();
}
public void addFragment(Fragment fragment, String title) {
mFragmentList.add(fragment);
mFragmentTitleList.add(title);
}
@Override
public CharSequence getPageTitle(int position) {
return mFragmentTitleList.get(position);
}
}
尝试更改此选项:
ViewPagerAdapter adapter = new ViewPagerAdapter(this.getFragmentManager());
与:
在嵌套片段时,需要使用getChildFragmentManager()
而不是getFragmentManager()
尝试更改此选项:
ViewPagerAdapter adapter = new ViewPagerAdapter(this.getFragmentManager());
与:
在嵌套片段时,需要使用getChildFragmentManager()
而不是getFragmentManager()
ViewPagerAdapter adapter = new ViewPagerAdapter(getChildFragmentManager());