1<?xml version="1.0" encoding="utf-8"?> 2<LinearLayout 3 xmlns:android="http://schemas.android.com/apk/res/android" 4 android:layout_width="match_parent" 5 android:layout_height="match_parent"> 6 7 <Button 8 android:id="@+id/login" 9 android:text="Login" 10 android:layout_width="wrap_content" 11 android:layout_height="wrap_content"/> 12 13</LinearLayout>