内容简介

响应式编程是一种基于异步数据流概念的编程模式，在开发手机App、Web App时，要想保证对用户请求的实时响应，给用户带来流畅的体验，响应式编程是一个不错的选择。RxJava则是这种编程模式的Java实现。本书主要介绍如何使用RxJava进行响应式编程。全书一共6章，从响应式编程与RxJava的概念，到RxJava的操作符和源码，以及各种Scheduler的特点和适用场景，均做了较细致的讲解。本书还用一章的篇幅给出了几个RxJava的实用案例，帮助读者理解概念，上手操作。本书适合RxJava的初学者，以及对RxJava有初步了解想要进一步深入学习的读者阅读。

目录

第1章 走进RxJava的世界 .......................................................................................................... 1
1.1 响应式编程.......................................................................................................................... 1
1.2 什么是RxJava................................................................................................................ 4
1.3 Observable和Subscriber ............................................................................................... 5
1.3.1 Single：单个数据的生产者 ........................................................................................... 8
1.3.2 Completable：单个事件的生产者 .................................................................................. 9
1.4 在Android工程中引入RxJava .................................................................................. 11
第2章 RxJava中的操作符 ..................................................................................................... 12
2.1 创建Observable的操作符 .......................................................................................... 12
2.1.1 range ........................................................................................................................... 13
2.1.2 defer和just ................................................................................................................. 13
2.1.3 from ............................................................................................................................ 16
2.1.4 interval ........................................................................................................................ 17
2.1.5 repeat和timer ............................................................................................................. 19
2.2 转化Observable的操作符 .......................................................................................... 21
2.2.1 buffer .......................................................................................................................... 21
2.2.2 flatMap ....................................................................................................................... 23
2.2.3 groupBy ...................................................................................................................... 25
2.2.4 map............................................................................................................................ 28
2.2.5 cast ............................................................................................................................. 29
2.2.6 scan ............................................................................................................................ 31
2.2.7 window ....................................................................................................................... 32
2.3 过滤操作符 .................................................................................................................. 35
2.3.1 debounce ..................................................................................................................... 35
2.3.2 distinct ........................................................................................................................ 39
2.3.3 elementAt .................................................................................................................... 40
2.3.4 filter ............................................................................................................................ 41
2.3.5 first和last ................................................................................................................... 43
2.3.6 skip和take，skipLast和takeLast ................................................................................ 45
2.3.7 sample和throttleFirst .................................................................................................. 46
2.4 组合操作符 .................................................................................................................. 48
2.4.1 combineLatest .............................................................................................................. 48
2.4.2 join和groupJoin ......................................................................................................... 51
2.4.3 merge和mergeDelayError............................................................................................ 55
2.4.4 startWith...................................................................................................................... 58
2.4.5 switch ......................................................................................................................... 59
2.4.6 zip和zipWith .............................................................................................................. 61
2.5 错误处理操作符 .......................................................................................................... 64
2.5.1 onErrorReturn .............................................................................................................. 64
2.5.2 onErrorResumeNext ..................................................................................................... 66
2.5.3 onExceptionResumeNext .............................................................................................. 67
2.5.4 retry ............................................................................................................................ 70
2.6 辅助操作符 .................................................................................................................. 72
2.6.1 delay ........................................................................................................................... 72
2.6.2 do ............................................................................................................................... 74
2.6.3 materialize和dematerialize .......................................................................................... 78
2.6.4 subscribeOn和observeOn ............................................................................................ 80
2.6.5 timeInterval和timeStamp ............................................................................................ 82
2.6.6 timeout ........................................................................................................................ 84
2.6.7 using ........................................................................................................................... 87
2.7 条件操作 ...................................................................................................................... 90
2.7.1 all ............................................................................................................................... 90
2.7.2 amb............................................................................................................................ 92
2.7.3 contains ....................................................................................................................... 93
2.7.4 isEmpty ....................................................................................................................... 94
2.7.5 defaultIfEmpty ............................................................................................................. 95
2.7.6 sequenceEqual ............................................................................................................. 97
2.7.7 skipUntil和skipWhile ................................................................................................. 98
2.7.8 takeUntil和takeWhile ................................................................................

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