When building a chat app, it is really important to have real-time communication because the user expects messages to arrive more or less immediately. To achieve this, we will use SignalR, which is a library for real-time communication. SignalR will use WebSockets if they are available and, if not, it will have several fallback options it can use instead. In the app, a user will be able to send text and photos from the photo library on the device.
The build time for this project is about 180 minutes.