@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main_dictionary);
getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
viewPager = (ViewPager) findViewById(R.id.viewpager);
setupViewPager(viewPager);
tabLayout = (TabLayout) findViewById(R.id.tabs);
tabLayout.setupWithViewPager(viewPager);
tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
setupNavMenu();
}
private void setupViewPager(ViewPager viewPager) {
adapter = new ViewPagerAdapter(getSupportFragmentManager());
adapter.addFragment(new A(), "A");
adapter.addFragment(new B(), "B");
adapter.addFragment(new C(), "C");
adapter.addFragment(new D(), "D");
viewPager.setAdapter(adapter);
}
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);
}
}
的问题是: 当我开始活动,我得到的第一个片段的视图(A),但接下来的片段(B)的负载不看,所以当我滑动到下一个视图(B),我得到的视图,我已经加载在前一个片段,所以现在它的负载片段C ...FragmentPagerAdapter总是加载下一个片段,而不是当前
问题是,片段B的内容取决于输入片段A(保存的数据是sharedpreferences),所以我让永诺在B片段的默认值,因为它是在片段A.加载
的错误工作的SA我的方式,当我在片段D中,所以当我向左滑动到片段C时,它将显示片段C并且也加载片段B.
这不是下面的答案中的错误。检查。 –
当您从第一个片段输入数据时,再次替换您的片段 –