1<?xml version="1.0" encoding="utf-8"?> 2<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" 4 android:layout_width="match_parent" android:layout_height="match_parent" 5 android:paddingBottom="@dimen/activity_vertical_margin" 6 android:paddingLeft="@dimen/activity_horizontal_margin" 7 android:paddingRight="@dimen/activity_horizontal_margin" 8 android:paddingTop="@dimen/activity_vertical_margin" 9 tools:context="com.google.android.mobly.snippet.example2.MainActivity"> 10 11<TextView 12 android:id="@+id/main_text_view" 13 android:layout_width="wrap_content" 14 android:layout_height="wrap_content" 15 android:layout_gravity="center_horizontal" 16 android:text="Hello World!" /> 17 18<Button 19 android:id="@+id/main_button" 20 android:layout_width="match_parent" 21 android:layout_height="wrap_content" 22 android:text="Push the button!" /> 23</RelativeLayout> 24