searchView's entered text is not visible
<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>