Tab页面的布局R.layout.tabhost_layout：    <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" >          <FrameLayout          android:id="@+id/tab_center_fl"          android:layout_width="match_parent"          android:layout_height="0dp"          android:layout_weight="1" >      </FrameLayout>        <android.support.v4.app.FragmentTabHost          android:id="@+id/tabhost"          android:layout_width="match_parent"          android:layout_height="wrap_content"          android:background="#ff00ff" >            <TabHost              android:id="@+id/tabs"              android:layout_width="match_parent"              android:layout_height="wrap_content" >          </TabHost>            <FrameLayout              android:id="@+id/tab_content_fl"              android:layout_width="match_parent"              android:layout_height="wrap_content" >          </FrameLayout>      </android.support.v4.app.FragmentTabHost>    </LinearLayout>    界面代码：    public class TabhostActivity extends FragmentActivity {  private FragmentTabHost mFragmentTabHost;  @SuppressWarnings("rawtypes")  private Class fragmentArray[] = { FragmentTabOne.class, FragmentTabTwo.class, FragmentTabThree.class, };  private String titleArray[] = { "Tab_One", "Tab_Two", "Tab_Three" };      @Override  protected void onCreate(Bundle bundle) {  // TODO Auto-generated method stub  super.onCreate(bundle);  setContentView(R.layout.tabhost_layout);  intViews();  initTabHost();  }      private void intViews() {  mFragmentTabHost = (FragmentTabHost) findViewById(R.id.tabhost);  }      private void initTabHost() {  mFragmentTabHost.setup(this, getSupportFragmentManager(), R.id.tab_content_fl);  mFragmentTabHost.getTabWidget().setDividerDrawable(null);      int count = fragmentArray.length;      for (int i = 0; i < count; i++) {  TabHost.TabSpec tabSpec = mFragmentTabHost.newTabSpec(titleArray[i]).setIndicator(getTabBottomView(i));  mFragmentTabHost.addTab(tabSpec, fragmentArray[i], null);  mFragmentTabHost.getTabWidget().getChildAt(i).setBackgroundResource(R.drawable.tab_bg);  }  }      private View getTabBottomView(int index) {  LayoutInflater layoutInflater = LayoutInflater.from(this);  View view = layoutInflater.inflate(R.layout.tab_bottom_layout, null);//布局很简单，就是一id为bottom_tv的TextView  TextView textView = (TextView) view.findViewById(R.id.bottom_tv);  textView.setText(titleArray[index]);  return view;  }  }