></span> <span class="parameter-name">callback</span></span><wbr>)</span>
                  
</section>
        
                        <section class="summary source-code" id="source">
          <h2><span>Implementation</span></h2>
          <pre class="language-dart"><code class="language-dart">set onPlatformBrightnessChanged(VoidCallback callback) {
  _onPlatformBrightnessChanged = callback;
  _onPlatformBrightnessChangedZone = Zone.current;
}</code></pre>
        </section>
</section>
          </div> 