选项卡在jellybean android中没有正常工作

Question

您好我正在处理有标签的应用程序。我使用片段标签主机创建了标签。我添加了一个9补丁图像作为选项卡的背景。整个应用程序在ICS上工作正常，但是当我在软糖上测试时，它会显示带有默认背景图像的标签，当我更改标签时，它会显示正确分配的背景图像。此外，当我导航到其他片段并再次出现时，同样的事情正在发生。 请有人告诉我为什么会这样，我该如何解决？ 提前谢谢。

下面是我正在使用的代码： -

public class FragmentMain extends Fragment implements OnClickListener, OnTabChangeListener
{
    FragmentTabHost mTabHost;
    Button BTN_Email;
    View content;

    @SuppressLint("NewApi")
    @Override
    public void onActivityCreated(Bundle savedInstanceState)
    {
        super.onActivityCreated(savedInstanceState);
        mTabHost.setOnTabChangedListener(this);
        mTabHost.getTabWidget().setShowDividers(LinearLayout.SHOW_DIVIDER_NONE);
        mTabHost.getTabWidget().setCurrentTab(0);
        mTabHost.getTabWidget().getChildAt(0).setBackgroundResource(R.drawable.segment_radio_grey_left_press);

        for (int tabIndex = 0 ; tabIndex < mTabHost.getTabWidget().getTabCount() ; tabIndex ++) {
            View tab = mTabHost.getTabWidget().getChildTabViewAt(tabIndex);
            TextView t = (TextView)tab.findViewById(android.R.id.title);
            t.setTextColor(getResources().getColor(R.color.White));
        }       
    }

    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState)
    {
        // TODO Auto-generated method stub
        View v = LayoutInflater.from(getActivity()).inflate(R.layout.fragment_charts,
                null);
        BTN_Email = (Button) v.findViewById(R.id.BTN_email);
        BTN_Email.setOnClickListener(onEmailClick);

        content = v.findViewById(R.id.main);
        content.setDrawingCacheEnabled(true);

        mTabHost = (FragmentTabHost) v.findViewById(android.R.id.tabhost);
        mTabHost.setup(getActivity(), getChildFragmentManager(), R.id.tabcontent);

        mTabHost.addTab(mTabHost.newTabSpec("tab1").setIndicator("One"), Chart_One.class, null);
        mTabHost.addTab(mTabHost.newTabSpec("tab2").setIndicator("Two"), Chart_Two.class, null);
        mTabHost.addTab(mTabHost.newTabSpec("tab3").setIndicator("Three"), Chart_Threer.class, null);
        mTabHost.addTab(mTabHost.newTabSpec("tab4").setIndicator("Four"), Chart_Four.class, null);

        for(int i = 0; i<mTabHost.getTabWidget().getChildCount(); i++)
        {
            mTabHost.getTabWidget().getChildAt(0).setBackgroundResource(R.drawable.segment_radio_grey_left);
            mTabHost.getTabWidget().getChildAt(1).setBackgroundResource(R.drawable.segment_radio_grey_middle);
            mTabHost.getTabWidget().getChildAt(2).setBackgroundResource(R.drawable.segment_radio_grey_middle);
            mTabHost.getTabWidget().getChildAt(3).setBackgroundResource(R.drawable.segment_radio_grey_right);
//          mTabHost.getTabWidget().getChildAt(i).setBackgroundColor(getResources().getColor(R.color.BlueKoi));
        }


        return v;
    }

     // Manages the Tab changes, synchronizing it with Pages
    public void onTabChanged(String tag) {

        int pos = this.mTabHost.getCurrentTab();

        if(pos == 1)
            {
                mTabHost.getTabWidget().getChildAt(0).setBackgroundResource(R.drawable.segment_radio_grey_left);
                mTabHost.getTabWidget().getChildAt(1).setBackgroundResource(R.drawable.segment_radio_grey_middle_press);
                mTabHost.getTabWidget().getChildAt(2).setBackgroundResource(R.drawable.segment_radio_grey_middle);
                mTabHost.getTabWidget().getChildAt(3).setBackgroundResource(R.drawable.segment_radio_grey_right);
            }
            else if(pos == 2)
            {
                mTabHost.getTabWidget().getChildAt(0).setBackgroundResource(R.drawable.segment_radio_grey_left);
                mTabHost.getTabWidget().getChildAt(1).setBackgroundResource(R.drawable.segment_radio_grey_middle);
                mTabHost.getTabWidget().getChildAt(2).setBackgroundResource(R.drawable.segment_radio_grey_middle_press);
                mTabHost.getTabWidget().getChildAt(3).setBackgroundResource(R.drawable.segment_radio_grey_right);
            }
            else if(pos == 3)
            {
                mTabHost.getTabWidget().getChildAt(0).setBackgroundResource(R.drawable.segment_radio_grey_left);
                mTabHost.getTabWidget().getChildAt(1).setBackgroundResource(R.drawable.segment_radio_grey_middle);
                mTabHost.getTabWidget().getChildAt(2).setBackgroundResource(R.drawable.segment_radio_grey_middle);
                mTabHost.getTabWidget().getChildAt(3).setBackgroundResource(R.drawable.segment_radio_grey_right_press);
            }
            else if(pos == 0)
            {
                mTabHost.getTabWidget().getChildAt(0).setBackgroundResource(R.drawable.segment_radio_grey_left_press);
                mTabHost.getTabWidget().getChildAt(1).setBackgroundResource(R.drawable.segment_radio_grey_middle);
                mTabHost.getTabWidget().getChildAt(2).setBackgroundResource(R.drawable.segment_radio_grey_middle);
                mTabHost.getTabWidget().getChildAt(3).setBackgroundResource(R.drawable.segment_radio_grey_right);
            }

            this.mTabHost.setCurrentTab(pos);   

            for (int tabIndex = 0 ; tabIndex < mTabHost.getTabWidget().getTabCount() ; tabIndex ++) {
                View tab = mTabHost.getTabWidget().getChildTabViewAt(tabIndex);
                TextView t = (TextView)tab.findViewById(android.R.id.title);
                t.setTextColor(getResources().getColor(R.color.White));
            }
     }

}