>
<h5 id='in-swift' class='heading'>In Swift:</h5>
<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">applicationWillFinishLaunching</span><span class="p">(</span><span class="n">_</span> <span class="nv">notification</span><span class="p">:</span> <span class="kt">Notification</span><span class="p">)</span> <span class="p">{</span>

    <span class="c1">/// Apply the dark theme</span>
    <span class="kt">ThemeManager</span><span class="o">.</span><span class="n">darkTheme</sp