suspending</span>
          <span class="signature">&#8594; const <a href="dart-ui/AppLifecycleState-class.html">AppLifecycleState</a></span>
        </dt>
        <dd>
          <p>The application will be suspended momentarily.</p>
<p>When the application is in this state, the engine will not call the
<a href="dart-ui/Window/onBeginFrame.html">Window.onBeginFrame</a> and <a href="dart-ui/Window/onDrawFrame.html">Window.onDrawFrame</a> callbacks.</p>
<p>On iOS, this state is currently unused.</p>
          