title: In Version 2 Map view does not show map
body: <p>Map Activity doesn't showing map, it's appear as just white screen with zoom control buttons.
  Manifest File like this :</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.example.demomap"
      android:versionCode="1"
      android:versionName="1.0" &gt;
      &lt;uses-sdk
          android:minSdkVersion="8"
          android:targetSdkVersion="17" /&gt;
     &lt;permission
          android:name="com.example.demomap.permission.MAPS_RECEIVE"
          android:protectionLevel="signature" /&gt;
      &lt;uses-permission android:name="com.example.demomap.permission.MAPS_RECEIVE" /&gt;
      &lt;uses-permission android:name="android.permission.INTERNET" /&gt;
      &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt;
      &lt;uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" /&gt;
      &lt;uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /&gt;
      &lt;uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /&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="com.example.demomap.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="AIzaSyCTQZOcXFS3RpNSVe79HHN1xojat-2MbT4" /&gt;
      &lt;/application&gt;
      &lt;uses-feature
          android:glEsVersion="0x00020000"
          android:required="true" /&gt;
  &lt;/manifest&gt;
  </code></pre>
  
  <p>My XmL File Like these:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;fragment
      xmlns:android="http://schemas.android.com/apk/res/android"
      android:id="@+id/map"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      class="com.google.android.gms.maps.SupportMapFragment" /&gt;
  </code></pre>
  
  <p>Log Cat Error:</p>
  
  <pre><code>05-15 17:15:16.255: E/Google Maps Android API(26201): Failed to load map. Error contacting Google servers. This is probably an authentication issue (but could be due to network errors).
  </code></pre>
  
  <p>Please Help me.</p>