Xamarin: Cross-Platform Mobile Application Development

Writing a mock web service

Many times when developing a mobile application, you might need to begin the development of your application before the real backend web service is available. To prevent the development from halting entirely, a good approach would be to develop a mock version of the service. This is also helpful when you need to write unit tests, or just need to add a real backend to your app later.

First, let's break down the operations our app will perform against a web server. The operations are as follows:

1. Log in with a username and password.
2. Register a new account.
3. Get the user's list of friends.
4. Add friends by their usernames.
5. Get a list of the existing conversations for the user.
6. Get a list of messages in a conversation.
7. Send a message. ...