<p><span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__b2d53fb97daac" src="https://embed.zenn.studio/card#zenn-embedded__b2d53fb97daac" data-content="https%3A%2F%2Fstackoverflow.com%2Fquestions%2F11779679%2Fsetting-android-theme-background-color" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://stackoverflow.com/questions/11779679/setting-android-theme-background-color" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://stackoverflow.com/questions/11779679/setting-android-theme-background-color</a><br style="display:none">
theme で <code>android:windowBackground</code> これを書いてあげれば良さそう</p>


<p>Material You が来たら、どういう指定方法に変わるのやら</p>
