title: Google Maps Fragment "<fragment> Pick preview layout from the Fragment Layout context menu"
body: <p>I'm trying to use google maps in my app.. but when I add the map fragment I get in the Graphical Layout: " Pick preview layout from the Fragment Layout context menu".</p>
  
  <p>I use the xml : </p>
  
  <pre><code>&lt;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="com.tie.android.restautanta.MainActivity" &gt;
  
  &lt;TextView
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:text="@string/hello_world" /&gt;
  
  &lt;fragment
      android:id="@+id/map"
      android:name="com.google.android.gms.maps.MapFragment"
      android:layout_width="match_parent"
      android:layout_height="match_parent"/&gt;
  
  &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p>Manifest : </p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.tie.android.restautanta"
  android:versionCode="1"
  android:versionName="1.0" &gt;
  
  &lt;uses-sdk
      android:minSdkVersion="8"
      android:targetSdkVersion="21" /&gt;
  
  &lt;application
      android:allowBackup="true"
      android:icon="@drawable/ic_launcher"
      android:label="@string/app_name"
      android:theme="@style/AppTheme" &gt;
      &lt;activity
          android:name=".MainActivity"
          android:label="@string/app_name" &gt;
          &lt;intent-filter&gt;
              &lt;action android:name="android.intent.action.MAIN" /&gt;
  
              &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
          &lt;/intent-filter&gt;
      &lt;/activity&gt;
  
      &lt;meta-data
          android:name="com.google.android.maps.v2.API_KEY"
          android:value="KEY" /&gt;
  &lt;/application&gt;
  
   &lt;/manifest&gt;
  </code></pre>
  
  <p>and I added the jar file <code>google-play-services.jar</code>, And google-play-services_lib </p>
  
  <p>So.. Any Idea ? </p>