title: Global state in React Native
body: <p>I am developing a React Native application.</p>
  
  <p>I want to save the user id of the person who is logged in and then check if the user is logged in in every single component.</p>
  
  <p>So what I am looking for is something like cookies, sessions or global states.</p>
  
  <p>I have read that I should use Redux, but this seems to be overly complicated and it is very difficult to make it work with <code>react-navigation</code>. It forces me to define actions and reducers for almost everything although the only thing I want is to be able to access a single global state/variable in all components.</p>
  
  <p>Are there any alternatives or should I really re-structure my entire app to use Redux?</p>