  <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>
                  
  <div>
            <span class="signature"><code>const AppLifecycleState(3)</code></span>
          </div>
        </dd>
        <dt id="values" class="