title: React Native: change background color of initial loading view
body: <p>When the React Native app is running at first, there is a white view like the screenshot bellow, how can i change that view's background color? I cannot find the activity in Xcode.</p>
  
  <p><a href="https://i.stack.imgur.com/pY0le.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/pY0le.png" alt="enter image description here"></a></p>
  
  <p>Because in some cases, i restart the app, and users sees a flash (the white screen above), so i need to change the background color.</p>
  
  <p>Thanks in advance.</p>