1<?xml version="1.0" encoding="utf-8"?> 2 3<LinearLayout 4 xmlns:android="http://schemas.android.com/apk/res/android" 5 android:id="@+id/outer_merge" 6 android:orientation="vertical" 7 android:layout_width="wrap_content" 8 android:layout_height="wrap_content" 9 android:gravity="center_horizontal" 10 > 11 12 <include android:id="@+id/include_id" layout="@layout/inner_merge"/> 13 14</LinearLayout> 15