Today we will see how to make a messenger. To start with, you should understand how messengers work. There are 2 main ways of work:
- HTTP + Push Notifications, where you are notified once you get a message, and the server responds back to you once you open an app itself.
- Extensive Messaging and Presence Protocol (XMPP) with Sockets-based chat.
Also, if we speak about the secure chat app, you should know how to provide security. The most popular method is end-to-end encryption. How does it work?
You send a message, it gets encoded on your device and is transferred to the server that brings it to the final recipient. Only on his device decoding happens, ensuring he’s the only one to read your conversation.
The next step is to research the market and your competitors. This field has market leaders you should know:
- Signal
- Skype
- Telegram
- Viber
You can find more information here: https://themindstudios.com/blog/how-to-make-a-secure-chat-app-like-signal/
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