title: Android Adding Maps v2 API to Master Detail Flow - Error inflating class fragment
body: <p>I am trying to add a Google Maps view using the version 2 API to the built in Android Master Detail flow.  For some reason I am getting a error inflating class fragment exception:</p>
  
  <pre><code>    12-29 22:47:05.828: E/AndroidRuntime(1655): FATAL EXCEPTION: main
  12-29 22:47:05.828: E/AndroidRuntime(1655): android.view.InflateException: Binary XML file line #48: Error inflating class fragment
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:697)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:739)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at com.reading.trackitparent.MapDetailFragment.onCreateView(MapDetailFragment.java:52)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.support.v4.app.Fragment.performCreateView(Fragment.java:1460)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:911)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1088)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1444)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:429)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.os.Handler.handleCallback(Handler.java:605)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.os.Handler.dispatchMessage(Handler.java:92)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.os.Looper.loop(Looper.java:137)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.app.ActivityThread.main(ActivityThread.java:4424)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at java.lang.reflect.Method.invokeNative(Native Method)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at java.lang.reflect.Method.invoke(Method.java:511)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at dalvik.system.NativeStart.main(Native Method)
  12-29 22:47:05.828: E/AndroidRuntime(1655): Caused by: java.lang.ClassCastException: com.google.android.gms.maps.MapFragment cannot be cast to android.support.v4.app.Fragment
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.support.v4.app.Fragment.instantiate(Fragment.java:394)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.support.v4.app.Fragment.instantiate(Fragment.java:369)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:272)
  12-29 22:47:05.828: E/AndroidRuntime(1655):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:669)
  </code></pre>
  
  <p>I have created a new MapDetailFragment:</p>
  
  <pre><code>package com.reading.trackitparent;
  
  import android.os.Bundle;
  import android.support.v4.app.Fragment;
  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.TextView;
  
  import com.reading.trackitparent.dummy.DummyContent;
  
  /**
   * A fragment representing a single Item detail screen. This fragment is either
   * contained in a {@link ItemListActivity} in two-pane mode (on tablets) or a
   * {@link ItemDetailActivity} on handsets.
   */
  public class MapDetailFragment extends Fragment {
      /**
       * The fragment argument representing the item ID that this fragment
       * represents.
       */
      public static final String ARG_ITEM_ID = "item_id";
  
      /**
       * The dummy content this fragment is presenting.
       */
      private DummyContent.DummyItem mItem;
  
      /**
       * Mandatory empty constructor for the fragment manager to instantiate the
       * fragment (e.g. upon screen orientation changes).
       */
      public MapDetailFragment() {
      }
  
      @Override
      public void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
  
          if (getArguments().containsKey(ARG_ITEM_ID)) {
              // Load the dummy content specified by the fragment
              // arguments. In a real-world scenario, use a Loader
              // to load content from a content provider.
              mItem = DummyContent.ITEM_MAP.get(getArguments().getString(
                      ARG_ITEM_ID));
          }
      }
  
      @Override
      public View onCreateView(LayoutInflater inflater, ViewGroup container,
              Bundle savedInstanceState) {
          View rootView = inflater.inflate(R.layout.fragment_map_detail,
                  container, false);
  
  //      // Show the dummy content as text in a TextView.
  //      if (mItem != null) {
  //          ((TextView) rootView.findViewById(R.id.item_detail))
  //                  .setText(mItem.content);
  //      }
  
          return rootView;
      }
  }
  </code></pre>
  
  <p>and I am trying to use the following layout:</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"
      tools:context=".ItemDetailActivity" &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.MapFragment" /&gt;
  
  &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p>ItemListActivity:</p>
  
  <pre><code>package com.reading.trackitparent;
  
  import android.content.Intent;
  import android.os.Bundle;
  import android.support.v4.app.FragmentActivity;
  
  /**
   * An activity representing a list of Items. This activity has different
   * presentations for handset and tablet-size devices. On handsets, the activity
   * presents a list of items, which when touched, lead to a
   * {@link ItemDetailActivity} representing item details. On tablets, the
   * activity presents the list of items and item details side-by-side using two
   * vertical panes.
   * &lt;p&gt;
   * The activity makes heavy use of fragments. The list of items is a
   * {@link ItemListFragment} and the item details (if present) is a
   * {@link ItemDetailFragment}.
   * &lt;p&gt;
   * This activity also implements the required {@link ItemListFragment.Callbacks}
   * interface to listen for item selections.
   */
  public class ItemListActivity extends FragmentActivity implements
          ItemListFragment.Callbacks {
  
      /**
       * Whether or not the activity is in two-pane mode, i.e. running on a tablet
       * device.
       */
      private boolean mTwoPane;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_item_list);
  
          if (findViewById(R.id.item_detail_container) != null) {
              // The detail container view will be present only in the
              // large-screen layouts (res/values-large and
              // res/values-sw600dp). If this view is present, then the
              // activity should be in two-pane mode.
              mTwoPane = true;
  
              // In two-pane mode, list items should be given the
              // 'activated' state when touched.
              ((ItemListFragment) getSupportFragmentManager().findFragmentById(
                      R.id.item_list)).setActivateOnItemClick(true);
          }
  
          // TODO: If exposing deep links into your app, handle intents here.
      }
  
      /**
       * Callback method from {@link ItemListFragment.Callbacks} indicating that
       * the item with the given ID was selected.
       */
      @Override
      public void onItemSelected(String id) {
          if (mTwoPane) {
              // In two-pane mode, show the detail view in this activity by
              // adding or replacing the detail fragment using a
              // fragment transaction.
              Bundle arguments = new Bundle();
              arguments.putString(MapDetailFragment.ARG_ITEM_ID, id);
              MapDetailFragment fragment = new MapDetailFragment();
              fragment.setArguments(arguments);
              getSupportFragmentManager().beginTransaction()
                      .replace(R.id.item_detail_container, fragment).commit();
  
          } else {
              // In single-pane mode, simply start the detail activity
              // for the selected item ID.
              Intent detailIntent = new Intent(this, ItemDetailActivity.class);
              detailIntent.putExtra(MapDetailFragment.ARG_ITEM_ID, id);
              startActivity(detailIntent);
          }
      }
  }
  </code></pre>
  
  <p>I have referenced the Google Play Services Libs.  My manifest looks like so:</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.reading.trackitparent"
      android:versionCode="1"
      android:versionName="1.0" &gt;
  
      &lt;permission
          android:name="com.reading.trackitparent.permission.MAPS_RECEIVE"
          android:protectionLevel="signature" /&gt;
  
      &lt;uses-permission android:name="com.reading.trackitparent.permission.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;uses-feature
          android:glEsVersion="0x00020000"
          android:required="true" /&gt;
  
      &lt;uses-sdk
          android:minSdkVersion="15"
          android:targetSdkVersion="15" /&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.reading.trackitparent.ItemListActivity"
              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;activity
              android:name="com.reading.trackitparent.ItemDetailActivity"
              android:label="@string/title_item_detail" &gt;
              &lt;meta-data
                  android:name="android.support.PARENT_ACTIVITY"
                  android:value=".ItemListActivity" /&gt;
          &lt;/activity&gt;
  
          &lt;uses-library android:name="com.google.android.maps" /&gt;
      &lt;/application&gt;
  
      &lt;meta-data
          android:name="com.google.android.maps.v2.API_KEY"
          android:value="xxxxxxxxxxxxxxxxxxxxxxxxxxx" /&gt;
  
  &lt;/manifest&gt;
  </code></pre>
  
  <p>I would really appreciate any help!</p>