1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 android:orientation="vertical" 4 android:layout_width="match_parent" 5 android:layout_height="match_parent" 6 > 7 <TextView 8 android:layout_width="match_parent" 9 android:layout_height="wrap_content" 10 android:text="Hello World, DemoActivity" 11 /> 12 </LinearLayout> 13 14
