title: Failed to find mapViewStyle using sherlock
body: <p>in my application mapview was working fine but suddenly one day when i just wrote the xml file the error is not going even changing the the target sdk, cleaning rebuilding and also deleting the R.java file. Also changed styles.xml file to Theme.Light but still error is shown. Here is my xml for mapView and also the manifest file.</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &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:orientation="vertical"
      tools:context=".WAmIActivity" &gt;
  
      &lt;com.google.android.maps.MapView
          android:id="@+id/mapView"
          android:layout_width="fill_parent"
          android:layout_height="fill_parent"
          android:apiKey="0dtHyV-rxfPOpVnbG700kdJIIx3DIxRid59K_mg"
          android:clickable="true"
          android:enabled="true"
          android:visibility="visible" /&gt;
  
  &lt;/RelativeLayout&gt;
  
  Manifest file :-
  
  &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.example.mygooglemapactivity"
      android:versionCode="1"
      android:versionName="1.0" &gt;
  
      &lt;uses-sdk
          android:minSdkVersion="8"
          android:targetSdkVersion="15" /&gt;
      &lt;uses-permission android:name="android.permission.INTERNET"/&gt;
  
      &lt;application
          android:icon="@drawable/ic_launcher"
          android:label="@string/app_name"
          android:theme="@style/SherlockTheme" &gt;
  
  
          &lt;uses-library
              android:name="com.google.android.maps"/&gt;
  
  
         &lt;activity
              android:name=".MainActivity"
              android:label="MainActivity" &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;activity
              android:name=".MainScreenActivity"
              android:label="MainScreenActivity"&gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="android.intent.action.MAIN" /&gt;
  
                  &lt;category android:name="android.intent.category.DEFAULT" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
  
      &lt;/application&gt;
  
  &lt;/manifest&gt;
  </code></pre>