title: Android Horizontal RecyclerView wrap_content
body: <p>hello I'm trying to use <code>Recyclerview</code>, </p>
  
  <p>below code results only a blank screen, can you please tell me where I'm going wrong</p>
  
  <pre><code>&lt;LinearLayout
      android:orientation="horizontal"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignParentTop="true"
      android:gravity="top|center_vertical"&gt;
  
      &lt;android.support.v7.widget.RecyclerView
          android:id="@+id/ImageSelectorRecycler"
          android:layout_width="match_parent"
          android:layout_height="match_parent"
          android:scrollbars="horizontal" /&gt;
  
      &lt;ImageView
          android:id="@+id/ImageViewSelectPhoto"
          android:layout_width="80dp"
          android:layout_height="76dp"
          android:src="@drawable/ic_add_a_photo_black_361px"
          android:background="@drawable/back"
          android:layout_marginRight="20dp"
          android:layout_marginBottom="20dp" /&gt;
  
  &lt;/LinearLayout&gt;
  </code></pre>