title: Make splash screen last for longer timr iOS-React-Native
body: <p>I am currently developing in react native application for the iOS (i am a web developer).
  My application needs time to load some staff and open the keyboard on startup.
  I want to make the splash screen of the application a little bit longer (an additional 1 sec).
  how can i achieve that in xCode/react-native.
  Thank you a lot.</p>