title: Android: Scrollview shadow view by default
body: <p>Android scrollview shadow event if scrolling</p>
  
  <p>I want scrollview visible shadow by default</p>
  
  <p>How i can ?</p>
  
  <p>xml :</p>
  
  <pre><code>&lt;ScrollView
                      android:layout_width="match_parent"
                      android:layout_height="match_parent"
                      android:id="@+id/scrollView"
                      android:fadingEdgeLength="10dp"
                      android:requiresFadingEdge="vertical"
                      android:background="@color/colorAccent"
                      android:scrollbars="vertical"&gt;
  </code></pre>