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Reactive Extensions (Rx) for Xamarin 2.2.1
Create async and event based apps using observable sequences & LINQstyle queries
Reactive Extensions (Rx) is a library for composing asynchronous
and event-based programs using observable sequences and LINQ-style
query operators. Using Rx, developers represent asynchronous data
Observables, query asynchronous data streams using LINQ
operators, and parameterize the concurrency in the asynchronous data
Schedulers. Simply put, Rx = Observables + LINQ +
Whether you are authoring a traditional desktop or web-based application, you have to deal with asynchronous and event-based programming from time to time. Desktop applications have I/O operations and computationally expensive tasks that might take a long time to complete and potentially block other active threads. Furthermore, handling exceptions, cancellation, and synchronization is difficult and error-prone.
Using Rx, you can represent multiple asynchronous data streams that
come from diverse sources, e.g., stock quotes, tweets, computer events,
web service requests, etc., and subscribe to the event stream using
IObserver<T> interface. The
IObservable<T> interface notifies the
IObserver<T> interface whenever an event occurs.
Because observable sequences are data streams, you can query them using standard LINQ query operators implemented by the Observable extension methods. Thus you can filter, project, aggregate, compose and perform time-based operations on multiple events easily by using these standard LINQ operators. In addition, there are a number of other reactive stream specific operators that allow powerful queries to be written. Cancellation, exceptions, and synchronization are also handled gracefully by using the extension methods provided by Rx.
To learn more about the Reactive Extensions, see Microsoft's RX open source site:
- current version supports
- Rx.net v.2.2
- iOS Unified and Classic API
- Updated with Xamarin.iOS 8.6 Unified support