Android的多个片段与Viewpager和ABS [英] Android Multiple Fragments with Viewpager and ABS

问题描述

我开发一个应用程序与Android 2.1包。
我使用ActionBarSherlock拿到动作条。
然后我试图用一个Viewpager与multilpe Fragments类与自己的布局。

I am developing an App with android 2.1 package. I am using ActionBarSherlock to get the actionbar. Then i am trying to use one Viewpager with multilpe Fragments Class with its own layout.

但所有我得到的是第一个片段。

But All i am getting is the first Fragment.

我用的也是这个问题给出了建议，但没有效果
<一href=\"http://stackoverflow.com/questions/9146232/android-viewpager-w-multiple-fragment-classes-each-w-separate-layout-file\">See这里的问题

这是我与动作条和Viewpager MainActivity。

public class MainActivity extends SherlockFragmentActivity {

 private static final int NUMBER_OF_PAGES = 2;
 private MyFragmentPagerAdapter mMyFragmentPagerAdapter;

ActionBar actionBar;
ViewPager viewPager;



@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    actionBar = getSupportActionBar();
    actionBar.setHomeButtonEnabled(true);
    //actionBar.setNavigationMode(actionBar.NAVIGATION_MODE_TABS);

    viewPager =  (ViewPager) findViewById(R.id.pager);
    //viewPager.setOffscreenPageLimit(4);

     mMyFragmentPagerAdapter = new MyFragmentPagerAdapter(getSupportFragmentManager());
     viewPager.setAdapter(mMyFragmentPagerAdapter);

}



@Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putInt("tab", getSupportActionBar().getSelectedNavigationIndex());
    }


  private static class MyFragmentPagerAdapter extends FragmentPagerAdapter {  

      public MyFragmentPagerAdapter(FragmentManager fm) {  
           super(fm);  
      }  

      @Override  
      public Fragment getItem(int index) { 

          Fragment f = new Fragment();
          Log.d("index  ", ""+index);

          switch (index) {
            case 0:
                f = PageFragment.newInstance(index);
            break;
            case 1:
                f = FragmentTwo.newInstance(index);
            break;


            default:
            break;
            }

          return f;


      }  

      @Override  
      public int getCount() {  

           return NUMBER_OF_PAGES;  
      }  
 }  

}

这是我的一个片段类。

public class PageFragment extends SherlockFragment {  

 public static PageFragment newInstance(int title) {

     PageFragment pageFragment = new PageFragment();
     Bundle bundle = new Bundle();
     bundle.putInt("title", title);
     pageFragment.setArguments(bundle);
     return pageFragment;
 }

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

 @Override  
 public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {  

     View view = inflater.inflate(R.layout.fragment, container, false);  
     TextView textView = (TextView) view.findViewById(R.id.textView1);  
     textView.setText("View # 01");

     return view;  
 }  

}

这里是我的片段中的一个activity_main.xml中XML

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >


 <android.support.v4.view.ViewPager
    android:id="@+id/pager"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

  <fragment android:name="com.mzubair.test.PageFragment"
          android:id="@+id/headlines_fragment"
          android:layout_weight="1"
          android:layout_width="0dp"
          android:layout_height="match_parent" />
  <fragment android:name="com.mzubair.test.FragmentTwo"
          android:id="@+id/headlines_fragment2"
          android:layout_weight="1"
          android:layout_width="0dp"
          android:layout_height="match_parent" />

推荐答案

从XML取下两个片段标记。

Remove the two fragment tags from your XML.

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