메시지 - 배너 광고 추가

app/src/main/res/layout/activity_select_message_recipient.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:ads="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -29,6 +30,14 @@
         android:textSize="13.3sp"
         tools:ignore="LabelFor" />
 
+    <com.google.android.gms.ads.AdView
+        android:id="@+id/ad_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="13.3dp"
+        ads:adSize="SMART_BANNER"
+        ads:adUnitId="@string/admob_message_banner_unit_id" />
+
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/rv_recipient"
         android:layout_width="match_parent"