title: Click Button inside of List item using Robotium, android
body: <p>i want to click on Button which is located inside of List Item. I tried those codes, it didnt give me error but still not doing the job.
  Screen: </p>
  
  <p><img src="https://i.stack.imgur.com/U4lTh.png" alt="enter image description here"></p>
  
  <p>I tried these code (1):</p>
  
  <pre><code>EntityListItem view2 = solo.getView(EntityListItem.class,1);
  solo.clickOnView(view2.DeleteEntity);
  solo.sleep(3000);
  </code></pre>
  
  <p>I tried these code (2):</p>
  
  <pre><code>ListView myList = (ListView)solo.getView(com.hh.android.R.id.lister);
  View listElement = myList.getChildAt(0);
  View alt = listElement.findViewById(com.hh.android.R.id.footer);
  solo.clickOnView(alt.findViewById(com.imona.android.R.id.DeleteEntity));
  </code></pre>
  
  <p>I tried these code (3):     </p>
  
  <pre><code>ListView myList = (ListView)solo.getView(com.hh.android.R.id.lister);
  View listElement = myList.getChildAt(0);
  solo.clickOnView(listElement.findViewById(com.hh.android.R.id.DeleteEntity) );
  </code></pre>
  
  <hr>
  
  <p>this entity list</p>
  
  <pre><code>&lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content" &gt;
      &lt;ListView        
          android:id="@+id/lister"
          android:layout_width="match_parent"
          android:layout_height="match_parent"
          android:divider="@android:color/transparent"
          android:dividerHeight="10.0sp" &gt;
      &lt;/ListView&gt;    
  </code></pre>
  
  <p></p>
  
  <p>This is List Item</p>
  
  <pre><code>&lt;LinearLayout
          android:id="@+id/footer"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:orientation="horizontal" &gt;
          &lt;Button
           android:layout_marginRight="20dp"
              android:id="@+id/DeleteEntity"
              android:layout_width="40dp"
              android:layout_height="40dp"
              android:background="@drawable/ic_action_delete"/&gt;
   &lt;/LinearLayout&gt;
  </code></pre>