Mobile phone: a tool that changed the way we are communicating today. Today more and more people have access to mobile phones whether it’s smart or not. And what’s the main goal of mobile phones ? Calling. Calling requires you to have a subscriber identification module aka SIM. That SIM card is generally (if not always, in case of telephony at least) associated with a phone number.
The first time I used retrofit I was very impressed. You give it an interface and every time you call a method on that interface something happens. How is that possible? This is what this article is about.