Added section on modules that require WebSocket

Explain how to troubleshoot  'No transports available' error that appears when you require firebase before react-native.
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Frank van Puffelen 2015-11-12 18:06:22 -08:00
parent ca1f023c8d
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@ -93,3 +93,15 @@ Ensure that you are on the same WiFi network as your computer. If you're using a
##### Android
You need to run `adb reverse tcp:8081 tcp:8081` to forward requests from the device to your computer. This works only on Android 5.0 and newer.
#### Module that uses `WebSocket` throws exception
React Native implements a polyfill for WebSockets. These polyfills are initialized as part of the react-native module that you include in your application through `require('react-native')`. If you load another module that requires WebSockets, be sure to load/require is after react-native.
So:
```
var React = require('react-native');
var Firebase = require('firebase');
```
In the case of Firebase requiring firebase *before* react-native will result in a: 'No transports available' redscreen.