title: Add custom button to MapFragment with the same style of Maps app
body: <p>I need add some custom buttons on my MapFragment.</p>
  
  <p>I use this code:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;RelativeLayout
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  xmlns:android="http://schemas.android.com/apk/res/android"&gt;
  &lt;!--suppress AndroidDomInspection --&gt;
  
  &lt;fragment
      android:id="@+id/map"
      android:layout_width="fill_parent"
      android:layout_height="fill_parent"
      android:name="com.google.android.gms.maps.SupportMapFragment"
      android:layout_alignParentBottom="true"
      android:layout_alignParentTop="true"
      android:layout_alignParentLeft="true"
      android:layout_alignParentRight="true" /&gt;
  
  &lt;RelativeLayout
      android:layout_width="fill_parent"
      android:layout_height="fill_parent"
      android:layout_alignParentBottom="true"
      android:layout_alignParentTop="true"
      android:layout_alignParentLeft="true"
      android:layout_alignParentRight="true"&gt;
  
      &lt;ImageButton
          android:layout_height="wrap_content"
          android:layout_width="wrap_content"
          android:layout_alignParentRight="true"
          android:layout_alignParentTop="true"
          android:layout_marginRight="10sp"
          android:layout_marginTop="10sp"
          android:src="@android:drawable/ic_menu_mylocation"/&gt;
  
      &lt;ImageButton
          android:layout_height="wrap_content"
          android:layout_width="wrap_content"
          android:layout_alignParentRight="true"
          android:layout_alignParentTop="true"
          android:layout_marginRight="60sp"
          android:layout_marginTop="10sp"
          android:src="@android:drawable/ic_menu_mylocation"/&gt;
  
  &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p></p>
  
  <p>I'd like that these button have the same style of zoom buttons: white semitrasparent background, gray border and gray background on click.</p>
  
  <p>How can I set the same style?
  Is there a more simple way? (for example official api)</p>