send
public void sendMediaMessage(Message message, String pushContent, String pushData, NativeClient.ISendMediaMessageCallback<Message> mediaMessageCallback)
public void sendMediaMessage(Message message, Array<String> userIds, String pushContent, String pushData, NativeClient.ISendMediaMessageCallback<Message> mediaMessageCallback)
public void sendMediaMessage(Message message, String pushContent, String pushData, SendMessageOption option, NativeClient.ISendMediaMessageCallback<Message> mediaMessageCallback)