iOS Chatting App with Socket.io making iOS Chatting App viewdidappear called twicesocketio getMessages called many times socketio chatting app upload image(url) References https://socket.io/get-started/chat/ https://www.appcoda.com/socket-io-chat-app/ http://minsone.github.io/mac/ios/ios-uiviewcontroller-once-call-when-viewdidappear socket.io를 이용하여 텍스트, 이미지로 채팅하는 앱을 만들고자한다 해당 튜토리얼에서는 text만 주고받는 ..