@DIV
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    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:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="sample.lightbox.dialogtemplate.MainActivity">

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="ダイアログ表示"
        android:id="@+id/button"
        android:layout_alignParentTop="true"
        android:layout_alignParentStart="true"
        />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:background="@drawable/border"
        android:inputType="textMultiLine"
        android:ems="10"
        android:id="@+id/editText"
        android:layout_below="@+id/button"
        android:layout_alignParentStart="true"
        android:layout_marginTop="31dp"
        android:gravity="left|top"
        android:padding="20dp"/>

</RelativeLayout>
@END

[[drawable\border.xml]]
@DIV
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" 
    android:shape="rectangle">
    
  <corners
      android:radius="4dp" />
  
  <stroke
      android:width="1dp"
      android:color="@android:color/black" />
  
</shape>
@END