>void</span>
<span class="name ">onBackground</span>(<wbr><ol class="parameter-list"><li><span class="parameter" id="onBackground-param-route"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/widgets/Route-class.html">Route</a></span> <span class="parameter-name">route</span></span></li>
</ol>)

      

    </section>
    


    
<section class="summary source-code" id="source">
  <h2><span>Implementation</span></h2>
  <pre class="language-dart"><code class="language-dart">void onBackg