Publish a Nearby Message 2 - publish

pub2.java

val client = Nearby.getMessagesClient(this)
val message = Message("Hi, Firebase Thing.")

client.publish(message, publishOpts)
    .addOnSuccessListener(this) {
        Log.e(TAG, "publish scucess")
    }
    .addOnFailureListener(this) { e ->
        Log.e(TAG, "publish failed", e)
    }