Allow emit() to send a string on Android #17
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Right now, emit() can send any object on iOS, but it can only send a Map on Android (a JSON object).
This pull request allows the emit() method on Android to send a string:
socket.emit('some_event', 'a string')
Or a JSON object (as before):
socket.emit('some_event', { some_key: 'some value' })
This is implemented on Android using two methods, one taking a String and the other taking a ReadableMap:
https://facebook.github.io/react-native/docs/native-modules-android.html#argument-types