title: Oreo Notification Bar Round Icon
body: <p>I want to know that how can I change the notification bar small icon in android Oreo (API 26). It has round white icon showing in the notification bar. How can I change it? Manifest file default notification icon set as below.</p>
  
  <pre><code>&lt;meta-data
       android:name="com.google.firebase.messaging.default_notification_icon"
       android:resource="@drawable/ic_status" /&gt;
  </code></pre>
  
  <p>See the image below</p>
  
  <p><a href="https://i.stack.imgur.com/vMW7f.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/vMW7f.jpg" alt="Screenshot"></a></p>