
122 Chapter 3
레이아웃 갱신
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="16dp"
android:orientation="vertical"
tools:context="com.hfad.mymessenger.CreateMessageActivity">
<EditText
android:id="@+id/message"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:hint="@string/hint"
android:ems="10" />
<Button
android:id="@+id/send"
android:layout_width="wrap_content" ...