By Ivan Morgillo

Approximately This Book

Create interactive Android apps with Java Reactive Extensions
research Reactive Programming via real-life examples that you should use on your Android app
Beat Android concurrency and threading matters to take your apps to a brand new level

Who This publication Is For

If you're an skilled Java developer, reactive programming provide you with a brand new approach to process scalability and concurrency on your backend structures, with no forcing you to change programming languages.
What you are going to Learn

grasp the Observer development and create Observable gadgets and sequences
Convert lists of items to Observable sequences
swap current ways to reactive asynchronous functions
clear out Observable sequences to make sure that in simple terms the price you will want will succeed in your functions
rework and manage Observable sequences into new sequences
mix, merge, and concatenate Observable sequences to create new sequences
stream clear of the Android major thread and AsyncTask to profit multithreading and concurrency the straightforward manner with Schedulers
speak with a distant relaxation API utilizing Retrofit Observable responses
Create your first RxJava-powered Android app

In Detail

RxJava―Reactive Extensions for the JVM―is a library for composing asynchronous and event-based courses utilizing Observable sequences for the Java VM, so as to assist you beat Android platform boundaries to create stunning Android apps.

Starting with a few speedy history info at the Rx .NET library, this ebook fast strikes directly to your first instance. you'll comprehend Observables and learn how to clear out, rework, or merge them intimately. subsequent, you'll tips on how to eliminate Threads, AsyncTasks, and Handlers with Schedulers to create a gentle consumer adventure. enhance a simple, ready-to-go method of relaxation API communications and improve your talents via operating with new difficult examples.

By the top of the ebook, you have got explored the reactive programming international and should have created your first Android app with no need to contemplate threading, networking, concurrency, and assortment administration.

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In other words, you can open an XML document and read it in any text editor (vi, Emacs, MS Word, and others). Because XML's syntactical rules are strict, however, you can also parse and manipulate it with a variety of software tools, many of which are open source or otherwise free. Compare XML's transparency to non-text formats such as PDF and most relational database file formats, which contain binary data in opaque proprietary formats. Non-text documents cannot be understood by a person using a common text editor—you must have special software to parse and manipulate them.

Experienced Web service developers can tell you numerous interoperability horror stories related to the loose language and broad visions defined by standards like SOAP, WSDL, and UDDI. ) possible. 0. While most developers understand and have used basic XML, many have not used XML namespaces or the W3C XML Schema Language, so the emphasis of this first part of the book is on these two topics. 2: XML Namespaces, which you should read if XML is new to you. Chapter 3 covers the W3C XML Schema Language, which you need to understand before you can understand SOAP, WSDL, and UDDI.

The value must be in single or double quotes. You can define any number of attributes for an element, but a particular attribute may occur only once in a single element. Attributes cannot be nested like elements. Attribute names have the same restrictions as element names. Attributes must be declared in the start tag and never the end tag of an element. In many cases, empty-element tags (discussed in previous section) are used when the attributes contain all the data. For example, we could add an empty phone element to the XML address document as in Listing 2-4.

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