android控件自定义TabHost

 xml代码
<?xml version="1.0" encoding="utf-8"?>
<phonestock.exch.ui.ResizeTabHost
android:id="@android:id/tabhost" android:layout_width="fill_parent"
android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android">
<LinearLayout android:orientation="vertical"
style="@style/xct_lthj_layout_width_height_ff">
<LinearLayout android:orientation="horizontal" android:background="@drawable/xct_lthj_topback"
android:layout_height="wrap_content" android:layout_width="fill_parent">
<ImageView android:id="@id/xct_lthj_refresh" android:layout_gravity="center_vertical"
android:textSize="@dimen/xct_lthj_fontSize_eighteen" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:src="@drawable/xct_lthj_refresh" android:adjustViewBounds="true"
android:scaleType="center"/>
<RadioGroup android:layout_marginLeft="@dimen/xct_lthj_space_ten" android