How to do iOS application of instant messaging?

  node.js, question

I want to add QQ, a simple chat function, to iOS. The server side is Node.js I haven’t got any applications in this area. I don’t know anything about instant messaging.

Want to know, what should I do?

First of all, you need to implement the interface. Can you write a chat interface? For referenceQQ chat layoutThis code.

Then, surely you can’t write IM backstage by yourself? It is recommended that you integrate an App for yourself.LeanCloudOr ..RongCloudThe IM service. Relevant documents are provided by Leancloud and RongCloud. They are very detailed and basically step by step, which can be found on their official website.

That’s basically it.