title: how to call another activity using listview item row
body: <p>I am making an application in which fetching data from xml using url in listview, now i want to call another activity using listview item row, for example :- if user will click first listview row, then need to call item.class, actually i am able to call another activity if i will not use web url in next activity,but if i want to call activity that also fetching data from url using xml parser, then i am getting this error :- Unfortunately app has stopped, why, please someone tell me how can i solve this? </p>
  
  <p><strong>First.java:</strong></p>
  
  <pre><code>list.setOnItemClickListener(new OnItemClickListener() {
  public void onItemClick(AdapterView&lt;?&gt; parent, View view,
                  int position, long id) 
  {
      if(position==0)
      {
              Intent in = new Intent(First.this, Item.class);
          startActivity(in);
      }
  }
  </code></pre>
  
  <p><strong>Item.java:</strong></p>
  
  <pre><code>    public class Item extends Activity {
  // All static variables
  static final String URL = "http://***.net/android/item.xml";
  // XML node keys
  static final String KEY_NODE = "pick"; // parent node
  static final String KEY_TITLE = "title";
  static final String KEY_DESC = "description";
      }
  </code></pre>
  
  <p><strong>Manifest.xml:</strong></p>
  
  <pre><code>      &lt;activity
          android:name=".First"
          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="Item"&gt;&lt;/activity&gt;
  </code></pre>