title: React Native Error - TypeError: null is not an object (evaluating '_reactNative.NativeModules.RNShare.FACEBOOK')
body: <p>I'm working on react native project and I am using expo. I want to add the react-native-share package to my project, however I keep getting this error before I even add any code.</p>
  <pre><code> TypeError: null is not an object (evaluating '_reactNative.NativeModules.RNShare.FACEBOOK')
  </code></pre>
  <p>Now I know that expo has it's own version of the share, however you can't specify where a person can share it too, which honestly makes the feature useless. It seems to be clear that the reason I can't use this package is because I am using expo and can't install pod into the project -- due to expo reject it --. So what should I do? Any suggestions on how to work around this?</p>