June 2017
Intermediate to advanced
400 pages
8h 44m
English
Content preview from Learning RxJava
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The Observable
As introduced in Chapter 1, Thinking Reactively, the Observable is a push-based, composable iterator. For a given Observable<T>, it pushes items (called emissions) of type T through a series of operators until it finally arrives at a final Observer, which consumes the items. We will cover several ways to create an Observable, but first, let's dive into how an Observable works through its onNext(), onCompleted(), and onError() calls.
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