Chapter 2. Hello, Rx
This chapter covers
- Working without Rx
- Adding Rx to a project
- Creating your first Rx application
The goal of Rx is to coordinate and orchestrate event-based and asynchronous computations that come from various sources, such as social networks, sensors, UI events, and others. For instance, security cameras around a building, together with movement sensors that trigger when someone might be near the building, send us photos from the closest camera. Rx can also count tweets that contain the names of election candidates to estimate a candidate’s popularity. This is done by calling an external web service in an asynchronous way. For those scenarios and other similar ones, the orchestrations tend to lead to complex programs, ...