【发布时间】：2016-06-02 14:45:25
【问题描述】：
Tabhost + viewpager 水平滚动。如果片段为空或包含文本视图，它可以工作，但如果片段包含列表视图，片段它不会水平滚动！
如果我尝试从 textview 滚动它可以工作，或者如果片段为空它可以工作，但是从 listview 没有，请注意 textview 它的宽度和高度是 wrap_content 而列表视图中的那些是 match_parent
frgament 2（它包含 tabhost 的片段）
片段.XML
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/main_content1"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="RESEAU"
android:layout_marginTop="20dp"
android:layout_marginLeft="20dp"/>
<View
android:layout_width="wrap_content"
android:layout_height="1dp"
android:layout_marginTop="10dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:background="#000000" />
<HorizontalScrollView
android:id="@+id/hScrollView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fillViewport="true"
android:scrollbars="none" >
</HorizontalScrollView>
<android.support.v4.app.FragmentTabHost
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/tabhost"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<FrameLayout
android:id="@+id/tabcontent"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1">
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent">
</android.support.v4.view.ViewPager>
</FrameLayout>
</LinearLayout>
</android.support.v4.app.FragmentTabHost>
fragment2.java
public class Fragment2 extends android.support.v4.app.Fragment implements OnTabChangeListener, OnPageChangeListener {
private FragmentTabHost mTabHost;
private ViewPager viewPager;
private MyFragmentPagerAdapter myViewPagerAdapter;
View v;
public Fragment2() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
v = inflater.inflate(R.layout.fragment2, container, false);
viewPager = (ViewPager) v.findViewById(R.id.pager);
// init tabhos
this.initializeTabHost(savedInstanceState);
// init ViewPager
this.initializeViewPager();
return v;
}
// fake content for tabhost
class FakeContent implements TabHost.TabContentFactory {
private final Context mContext;
public FakeContent(Context context) {
mContext = context;
}
@Override
public View createTabContent(String tag) {
View v = new View(mContext);
v.setMinimumHeight(0);
v.setMinimumWidth(0);
return v;
}
}
private void initializeViewPager() {
List<android.support.v4.app.Fragment> fragments = new Vector<android.support.v4.app.Fragment>();
fragments.add(new TramHor());
fragments.add(new BusHor());
fragments.add(new Train());
this.myViewPagerAdapter = new MyFragmentPagerAdapter(
getChildFragmentManager(), fragments);
this.viewPager = (ViewPager) v.findViewById(R.id.pager);
this.viewPager.setAdapter(this.myViewPagerAdapter);
this.viewPager.setOnPageChangeListener(this);
}
private void initializeTabHost(Bundle args) {
mTabHost = (FragmentTabHost) v.findViewById(android.R.id.tabhost);
mTabHost.setup(getActivity(), getChildFragmentManager(), R.id.tabcontent);
mTabHost.addTab(mTabHost.newTabSpec("fragmentb").setIndicator("", getResources().getDrawable(R.drawable.tram)),
TramHor.class, null);
mTabHost.addTab(mTabHost.newTabSpec("fragmentc").setIndicator("", getResources().getDrawable(R.drawable.bus)),
BusHor.class, null);
mTabHost.addTab(mTabHost.newTabSpec("fragmentd").setIndicator("", getResources().getDrawable(R.drawable.train)),
Train.class, null);
mTabHost.setOnTabChangedListener(this);
}
public void onTabChanged(String tabId) {
int pos = this.mTabHost.getCurrentTab();
this.viewPager.setCurrentItem(pos);
HorizontalScrollView hScrollView = (HorizontalScrollView) v.findViewById(R.id.hScrollView);
View tabView = mTabHost.getCurrentTabView();
int scrollPos = tabView.getLeft()
- (hScrollView.getWidth() - tabView.getWidth()) / 2;
hScrollView.smoothScrollTo(scrollPos, 0);
}
public void onPageScrollStateChanged(int arg0) {
}
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
public void onPageSelected(int position) {
this.mTabHost.setCurrentTab(position);
}
}
MyFragmentPageAdapter.java
public class MyFragmentPagerAdapter extends FragmentPagerAdapter {
List<android.support.v4.app.Fragment> fragments;
public MyFragmentPagerAdapter(FragmentManager fm, List<android.support.v4.app.Fragment> fragments) {
super(fm);
this.fragments = fragments;
}
@Override
public Fragment getItem(int position) {
return this.fragments.get(position);
}
@Override
public int getCount() {
return fragments.size();
}
}
tabhost 的片段
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.example.getgpslocation.fragment.TramHor">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="LIGNE/DIRECTION"
android:layout_marginTop="70dp"
android:layout_marginLeft="20dp"/>
<View
android:layout_width="wrap_content"
android:layout_height="1dp"
android:layout_marginTop="10dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:background="#000000"/>
<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/lv_sliding_menu2"
android:background="#FFFFFF"
android:choiceMode="singleChoice"
android:layout_gravity="start"/>
</LinearLayout>
【问题讨论】：
标签： android listview android-viewpager