java – Tabs不占用屏幕的整个宽度

所以任何人都告诉我在我的代码中我需要改变什么才能实现这一目标

我的守则

tabsinfo_fragment.xml文件

<?xml version="1.0" encoding="utf-8"?>
<TabHost xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@android:id/tabhost"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="#EFEFEF" >

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:orientation="vertical" >

        <HorizontalScrollView
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:fillViewport="true"
            android:scrollbars="none" >

            <TabWidget
                android:id="@android:id/tabs"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content" />
        </HorizontalScrollView>

        <FrameLayout
            android:id="@android:id/tabcontent"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent" >

            <FrameLayout
                android:id="@+id/tab_1"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent" />

            <FrameLayout
                android:id="@+id/tab_2"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent" />
        </FrameLayout>
    </LinearLayout>

</TabHost>

tab.xml文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:gravity="center"
    android:padding="20dp"  
    android:background="@drawable/tab_selector">

    <TextView
        android:id="@+id/text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="16sp"
        android:textStyle="bold"
        android:textColor="@drawable/tab_text_selector"
        android:textIsSelectable="false" />
</LinearLayout>

片段类中的代码

public class TabsInfoFragment extends Fragment implements OnTabChangeListener
{
    private View        m_Root;

    private TabHost     m_TabHost;

    private int         m_CurrentTab;

    public  String      m_VisitorTabText;

    public  String      m_FeedTabText;

    public TabsInfoFragment() 
    {

    }

    @Override
    public void onAttach(Activity activity) 
    {
        super.onAttach(activity);
    }

    @Override
    public void onCreate(Bundle savedInstanceState) 
    {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater,ViewGroup container,Bundle savedInstanceState) 
    {
        m_VisitorTabText = Integer.toString(R.string.tab_visitor_text);
        m_FeedTabText = Integer.toString(R.string.tab_feed_text);

        m_Root  = inflater.inflate(R.layout.tabsinfo_fragment,null);
        m_TabHost = (TabHost) m_Root.findViewById(android.R.id.tabhost);        
        setupTabs();

        return m_Root;  
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) 
    {
        super.onActivityCreated(savedInstanceState);
        setRetainInstance(true);

        m_TabHost.setOnTabChangedListener(this);
        m_TabHost.setCurrentTab(m_CurrentTab);

        // Manually start loading stuff in the first tab
        updateTab(m_VisitorTabText,R.id.tab_1,new ProfileInfoFragment());
    }

    private void setupTabs() 
    {
        m_TabHost.setup(); 
        m_TabHost.addTab(newTab(m_VisitorTabText,R.string.tab_visitor_text,R.id.tab_1));
        m_TabHost.addTab(newTab(m_FeedTabText,R.string.tab_feed_text,R.id.tab_2));
    }

    private TabSpec newTab(String tag,int labelId,int tabContentId) 
    {       
        View indicator = LayoutInflater.from(getActivity()).inflate(R.layout.tab,(ViewGroup) m_Root.findViewById(android.R.id.tabs),false);
        ((TextView) indicator.findViewById(R.id.text)).setText(labelId);

        TabSpec tabSpec = m_TabHost.newTabSpec(tag);
        tabSpec.setIndicator(indicator);
        tabSpec.setContent(tabContentId);
        return tabSpec;
    }

    @Override
    public void onTabChanged(String tabId) 
    {
        if (m_VisitorTabText.equals(tabId)) 
        {
            updateTab(tabId,new ProfileInfoFragment());
            m_CurrentTab = 0;
            return;
        }
        if (m_FeedTabText.equals(tabId)) 
        {
            updateTab(tabId,R.id.tab_2,new ProfileInfoFragment());
            m_CurrentTab = 1;
            return;
        }
    }

    private void updateTab(String tabId,int placeholder,Fragment fragmentClass) 
    {
        FragmentManager fm = getFragmentManager();
        if (fm.findFragmentByTag(tabId) == null) 
        {
            fm.beginTransaction().replace(placeholder,fragmentClass,tabId).commit();
        }
    }
}

截图