title: Android listSelector doesnt work
body: <p>I am trying to style the List view and the list item as followings</p>
  
  <p><strong>List View</strong></p>
  
  <pre><code>&lt;ListView
      android:id="@+id/list_items"
      android:layout_width="fill_parent"
      android:layout_height="fill_parent"
      android:cacheColorHint="@color/color_dark_orange"
      android:divider="#fce082"
      android:dividerHeight="1px" /&gt;
  </code></pre>
  
  <p><strong>List Item</strong></p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:background="@color/backgroud"
      android:orientation="vertical" &gt;
  
      &lt;RelativeLayout
          android:layout_width="fill_parent"
          android:layout_height="wrap_content" &gt;
  
          &lt;ImageView
              android:id="@+id/list_image"
              android:layout_width="64dp"
              android:layout_height="64dp"
              android:layout_alignParentLeft="true"
              android:layout_marginRight="8dp"
              android:background="@drawable/image_holder"
              android:scaleType="centerCrop" &gt;
          &lt;/ImageView&gt;
  
          &lt;LinearLayout
              android:id="@+id/linearLayout2"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:layout_centerVertical="true"
              android:layout_toRightOf="@+id/list_image"
              android:orientation="vertical" &gt;
  
              &lt;RelativeLayout
                  android:id="@+id/relativeLayout2"
                  android:layout_width="wrap_content"
                  android:layout_height="fill_parent" &gt;
  
                  &lt;TextView
                      android:id="@+id/list_title"
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:layout_alignParentLeft="true"
                      android:layout_toLeftOf="@+id/list_timestamp"
                      android:ellipsize="end"
                      android:singleLine="true"
                      android:text="Harsha Mallikarjun Vantagudi"
                      android:textSize="@dimen/text_size_medium"
                      android:textStyle="bold" &gt;
                  &lt;/TextView&gt;
  
                  &lt;TextView
                      android:id="@+id/list_timestamp"
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:layout_alignParentRight="true"
                      android:padding="6dp"
                      android:paddingLeft="30dp"
                      android:singleLine="true"
                      android:text="2 hours"
                      android:textSize="@dimen/text_size_xxsmall" &gt;
                  &lt;/TextView&gt;
              &lt;/RelativeLayout&gt;
  
              &lt;TextView
                  android:id="@+id/list_description"
                  android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:ellipsize="end"
                  android:singleLine="true"
                  android:text="Bangalore, India Bangalore, India Bangalore, India Bangalore, India"
                  android:textSize="@dimen/text_size_small" &gt;
              &lt;/TextView&gt;
          &lt;/LinearLayout&gt;
      &lt;/RelativeLayout&gt;
  
  &lt;/LinearLayout&gt;
  </code></pre>
  
  <p>On pressing any List Item the color doesnt change.</p>
  
  <p><strong><em>EDITED</em></strong></p>
  
  <p>List View</p>
  
  <pre><code>&lt;ListView
      android:id="@+id/list_items"
      android:layout_width="fill_parent"
      android:layout_height="fill_parent"
      android:divider="#fce082"
      android:dividerHeight="1px"
      android:listSelector="@color/color_dark_orange"
      android:smoothScrollbar="true" /&gt;
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/sX7eL.png" alt="enter image description here">
  <img src="https://i.stack.imgur.com/HB5i9.png" alt="enter image description here"></p>