By Wallace Jackson

Anybody can begin development basic apps for the Android platform, and this e-book will exhibit you the way! lately up to date to incorporate Android Jelly Bean, Android Apps for Absolute rookies, moment variation takes you thru the method of having your first Android apps up and operating utilizing simple English and functional examples.

This e-book cuts in the course of the fog of jargon and secret that surrounds Android apps improvement, and offers you basic, step by step directions to get you begun.

  • Teaches Android software improvement in language an individual can comprehend, supplying you with the very best begin in Android improvement
  • Provides uncomplicated, step by step examples that make studying effortless, permitting you to select up the thoughts with no fuss
  • Offers transparent code descriptions and structure that you should get your apps operating once attainable

This e-book is Android Jelly Bean compliant, yet is backwards suitable to lots of the past Android releases.

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Extra resources for Android Apps for Absolute Beginners

Example text

User Interface Design In Chapter 7, we’ll start building usable UI designs, using the XML foundation of the previous chapters, via your screen layout and view controls, and Eclipse’s powerful Graphical Layout Editor. We’ll cover the primary or mainstream screen resolutions for you to design UIs for Android, and which options you have for providing extra-high-, high-, medium-, and low-resolution graphics that allow Android to fit your application to each common device screen size and device type, such as smartphone, tablet, e-reader, or iTV.

Android makes heavy use of an XML-based markup language to define the basic component design of an application, especially its visual and user interface components. XML “markup” is not technically code, but rather consists of tags, similar to the HTML tags that web developers use to format their online documents. XML is used in Android to define everything from UIs to animation to data access, and even programmatic constructs such as Java object definitions and parameter configurations. 16 CHAPTER 2: What’s Next?

You’ll see how to create a content resolver so that you can interface with whichever content providers you choose (and for which you have permissions to access). You’ll learn about how content providers expose their data via data models similar to SQL databases, and about how to use cursors to traverse the Android SQLite databases in various ways. Finally, we’ll investigate URI objects, and how to use them to identify and access data sets. Each set of data in the database will have its own uniform resource identifier (URI), which is similar to an HTTP URL.

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