android新闻客户端的频道选择和拖拽排序怎么用代码实现

xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
app:tabTextAppearance="@style/MyTabLayoutTextAppearanceInverse"
tools:context="com.example.tangyangkai.testdemo.TabLayoutActivity">

android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_marginRight="5dp"
android:orientation="horizontal"
android:weightSum="11">