agmap.xml

<?xml version="1.0" encoding="utf-8"?>
 <LinearLayout 
xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:map="http://schemas.android.com/apk/res-auto"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_gravity="left"
        android:id="@+id/root"
        android:orientation="vertical" >

   
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
         >

        <Button
            android:id="@+id/btnbck"
            android:layout_width="match_parent"
            android:layout_height="50dp"
            android:layout_weight="1"
            android:height="30dp"
            android:text="@string/Cancel" />

        <Button
            android:id="@+id/btnSave"
            android:layout_width="match_parent"
            android:layout_height="50dp"
            android:layout_weight="1"
            android:height="30dp"
            android:text="@string/Save" />

    </LinearLayout>
<fragment 
  android:id="@+id/map"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  class="com.google.android.gms.maps.SupportMapFragment"
/>

</LinearLayout>