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我试图在我的片段之一中添加tablayout，但尽管我在网络中找到的所有内容似乎都没有任何问题。在其他片段中，我不想看到标签布局。Tablayout内部片段
HomeFragment XML：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_height="match_parent">
<android.support.design.widget.TabLayout
android:id="@+id/home_tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="?attr/colorPrimary"
app:tabMode="scrollable"
android:minHeight="?attr/actionBarSize"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"/>
<android.support.v4.view.ViewPager
android:id="@+id/home_viewpager"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</LinearLayout>
HomeFragment代码：
公共类HomeFragment延伸片段{
private TabLayout _homeTabLayout;
private ViewPager _homeViewPager;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.home_fragment,container,false);
final TabLayout tabLayout = (TabLayout) v.findViewById(R.id.home_tabs);
final ViewPager viewPager = (ViewPager) v.findViewById(R.id.home_viewpager);
ViewPagerAdapter adapter = new ViewPagerAdapter(getFragmentManager());
adapter.addFragment(new SyncedEpisodesTabFragment(), "One");
adapter.addFragment(new AvailableEpisodesTabFragment(), "Two");
viewPager.setAdapter(adapter);
tabLayout.setupWithViewPager(viewPager);
return v;
}
private void setupViewPager(ViewPager viewPager) {
ViewPagerAdapter adapter = new ViewPagerAdapter (getChildFragmentManager());
adapter.addFragment(new AvailableEpisodesTabFragment(), "PHOTOS");
adapter.addFragment(new SyncedEpisodesTabFragment(), "HI-FIVES");
viewPager.setAdapter(adapter);
}
private 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);
}
}
}
应用栏主.XML
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context="com.follow.series.activities.MainActivity">
<android.support.design.widget.AppBarLayout
android:id="@+id/app_bar_layout"
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="@style/AppTheme.PopupOverlay" />
<!--I'm inserting the tab layout here-->
</android.support.design.widget.AppBarLayout>
<FrameLayout
android:id="@+id/fragment_container"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="@dimen/fab_margin"
app:srcCompat="@android:drawable/ic_dialog_email" />
</android.support.design.widget.CoordinatorLayout>
在这种情况下，我只是看到没有标签的文本viewpager 当我在工具栏中添加标签布局时，我总是看到标签。
我相信tablayout隐藏在工具栏后面。尝试使用LinearLayout或RelativeLayout来封装framelay以使其工作。或者你可以尝试添加'layout_below =“@ id/app_bar_layout”'在framelayout – ZeroOne
framelayout在CoordinatorLayout里面，它不是RelativeLayout和lyout_below属性，我也尝试用线性布局来包装帧布局，但没有任何成功。 –