title: searchView's entered text is not visible
body: <p>my searchView which is in a toolbar is not showing the texts which is inside the searchView's textBox please see the below image :</p>
  
  <p>when am  entering  text the cursor is moving as you can see below but the text is not visible </p>
  
  <p><a href="https://i.stack.imgur.com/3rxNg.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/3rxNg.png" alt="enter image description here"></a></p>
  
  <p>but when am selecting the entered text , now you can see the entered text , the icon for collapsing searchView is also no visible (which is here at the left side of searchView )  any idea why is this happening ???</p>
  
  <p><a href="https://i.stack.imgur.com/dr0FN.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/dr0FN.png" alt="enter image description here"></a></p>
  
  <p>my xml file :</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;menu xmlns:android="http://schemas.android.com/apk/res/android"
  
      xmlns:app="http://schemas.android.com/apk/res-auto"&gt;
      &lt;item
          android:id="@+id/action_search"
          android:icon="@drawable/icon_search"
          app:actionViewClass="android.support.v7.widget.SearchView"
          app:showAsAction="ifRoom|collapseActionView"
          android:title="Search"/&gt;
  
  &lt;/menu&gt;
  </code></pre>