title: How to get the index of particular view OR ViewGroup which is added to the ViewGroup(layout)
body: <p></p>
  
  <pre><code>&lt;TextView android:layout_width="wrap_content"
      android:layout_height="wrap_content" android:layout_margin="24dip"
      android:text="Add Notes" /&gt;
  &lt;TableLayout android:layout_width="fill_parent"
      android:layout_height="wrap_content" android:layout_marginLeft="24dip"
      android:layout_marginRight="24dip" android:id="@+id/tlNotes"
      android:stretchColumns="0"&gt;
  &lt;/TableLayout&gt;
  
  &lt;Button android:id="@+id/bAddNoteLine"
      android:layout_marginLeft="24dip" android:layout_width="wrap_content"
      android:layout_height="wrap_content" android:text="ADD"&gt;
  &lt;/Button&gt;
  
  &lt;LinearLayout android:id="@+id/llIndex"
      android:orientation="horizontal" android:layout_width="fill_parent"
      android:layout_height="wrap_content" android:layout_margin="21dip"
      android:gravity="center"&gt;
      &lt;Button android:id="@+id/bSaveSubjectiveNote"
          android:layout_width="192dip" android:layout_height="wrap_content"
          android:text="Save" /&gt;
      &lt;Button android:id="@+id/bDiscardSubjectiveNote"
          android:layout_width="192dip" android:layout_height="wrap_content"
          android:layout_marginLeft="48dip" android:background="@drawable/button"
          android:text="Discard" /&gt;
  &lt;/LinearLayout&gt;
  </code></pre>
  
  <p></p>
  
  <p>how to retrieve the index of linearLayout which has "llIndex" as id.
  Thanks</p>