title: Error inflating class android.support.v7.widget.CardView
body: <p>I unexpectedly encountered the following error while trying to run my application:</p>
  
  <pre><code>Binary XML file line #8: Error inflating class android.support.v7.widget.CardView
  </code></pre>
  
  <p>Below is the log cat:</p>
  
  <pre><code>11-09 13:11:58.558: E/AndroidRuntime(12542): FATAL EXCEPTION: main
      11-09 13:11:58.558: E/AndroidRuntime(12542): android.view.InflateException: Binary XML file line #8: Error inflating class android.support.v7.widget.CardView
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:698)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at com.dooba.beta.ThirdFragment.onCreateView(ThirdFragment.java:15)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.support.v4.app.Fragment.performCreateView(Fragment.java:1786)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:947)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1126)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:739)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1489)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:454)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.os.Handler.handleCallback(Handler.java:615)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.os.Handler.dispatchMessage(Handler.java:92)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.os.Looper.loop(Looper.java:137)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.app.ActivityThread.main(ActivityThread.java:4745)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at java.lang.reflect.Method.invokeNative(Native Method)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at java.lang.reflect.Method.invoke(Method.java:511)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at dalvik.system.NativeStart.main(Native Method)
      11-09 13:11:58.558: E/AndroidRuntime(12542): Caused by: java.lang.ClassNotFoundException: android.support.v7.widget.CardView
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.view.LayoutInflater.createView(LayoutInflater.java:552)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:687)
      11-09 13:11:58.558: E/AndroidRuntime(12542):    ... 19 more
  </code></pre>
  
  <p>Below is the java code:</p>
  
  <pre><code>public class ThirdFragment extends Fragment {
  
      @Override
      public View onCreateView(LayoutInflater inflater, ViewGroup container,
              Bundle savedInstanceState) {
  
          View rootView = inflater.inflate(R.layout.activity_city, container, false);
  
          return rootView;
      }
  
  
  }
  </code></pre>
  
  <p>Below is the layout code:</p>
  
  <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:tools="http://schemas.android.com/tools"
      xmlns:card_view="http://schemas.android.com/apk/res-auto"
          android:layout_width="match_parent"
      android:layout_height="match_parent"
     &gt;
      &lt;!-- A CardView that contains a TextView --&gt;
      &lt;android.support.v7.widget.CardView
          xmlns:card_view="http://schemas.android.com/apk/res-auto"
          android:id="@+id/card_view"
          android:layout_gravity="center"
          android:layout_width="200dp"
          android:layout_height="200dp"
         &gt;
  
          &lt;TextView
              android:id="@+id/info_text"
              android:layout_width="match_parent"
              android:layout_height="match_parent" 
  
              /&gt;
      &lt;/android.support.v7.widget.CardView&gt;
  &lt;/LinearLayout&gt;
  </code></pre>
  
  <p>Thanks in advance</p>