title: Alinging menu items of a toolbar in the center
body: <p>Is it possible to align the menu icons of a toolbar in the center? I used another way shown <a href="https://stackoverflow.com/questions/37248679/bottom-toolbar-with-3-images/37248775?noredirect=1#comment62026031_37248775">here</a>,but there I was putting images inside my Toolbar layout. Now I want to try it with menu icons:). </p>
  
  <p><a href="https://i.stack.imgur.com/qhmJj.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/qhmJj.png" alt="my layout"></a></p>
  
  <p>here is my code.</p>
  
  <p><strong>bottm toolbar</strong></p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;android.support.v7.widget.Toolbar   
   xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  xmlns:appo="http://schemas.android.com/apk/res-auto"
  android:minHeight="50dp"
  android:background="@color/colorPrimary"
  appo:theme="@style/ToolbarTheme"
  appo:popupTheme="@style/Theme.AppCompat.Light"&gt;
  </code></pre>
  
  <p></p>
  
  <p><strong>menu.xml</strong></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/news"
      app:showAsAction="always"
      android:orderInCategory="100"
      android:icon="@drawable/new_icon"
      android:title="News"&gt;
  
  &lt;/item&gt;
  
  &lt;item
      app:showAsAction="always"
      android:id="@+id/camera"
      android:icon="@drawable/camera_icon"
      android:orderInCategory="100"
      android:title="Camera"
     &gt;&lt;/item&gt;
  &lt;item
      app:showAsAction="always"
      android:id="@+id/facebook"
      android:icon="@drawable/facebooc_image"
      android:orderInCategory="100"
      android:title="Camera"
      &gt;
  &lt;/item&gt;
  </code></pre>
  
  <p></p>