Android in Practice by Charlie Collins, Michael Galpin, Matthias Kaeppler

By Charlie Collins, Michael Galpin, Matthias Kaeppler

Summary

Android in Practice is a treasure trove of Android goodness, with over ninety established, ready-to-use recommendations together with whole end-to-end instance functions and functional advice for genuine international cellular software builders. Written through actual global Android builders, this booklet addresses the trickiest questions raised in boards and mailing lists. utilizing an easy-to-follow problem/solution/discussion layout, it dives into vital themes now not lined in different Android books, like complicated drawing and pictures, checking out and instrumentation, development and deploying purposes, and utilizing replacement languages.
About the Book
It's no longer difficult to discover the knowledge you must construct your first Android app. Then what? with a view to construct actual apps, you'll want a few how-to suggestion, and that's what this publication is about.

Android in Practice is a wealthy resource of Android suggestions, tips, and top practices, overlaying over ninety shrewdpermanent and worthwhile thoughts that might make you a more beneficial Android developer. concepts are awarded in an easy-to-read problem/solution/discussion layout. The ebook dives into vital themes like multitasking and prone, trying out and instrumentation, construction and deploying purposes, and utilizing replacement languages.
What's Inside* thoughts overlaying Android 1.x to 3.x
* Android for tablets
* operating with threads and concurrency
* checking out and building
* utilizing place know-how and GPS
* kinds and themes

And a lot more!

This ebook calls for a operating wisdom of Java, yet no earlier adventure with Android is assumed.

Source Code are available at https://code.google.com/p/android-in-​practice/
desk of Contents

* Introducing Android
* Android software fundamentals
* coping with lifecycle and state
* Getting the pixels perfect
* dealing with heritage initiatives with Services
* Threads and concurrency
* Storing info locally
* Sharing information among apps
* HTTP networking and net services
* situation is everything
* attract the senses utilizing multimedia
* second and 3D drawing
* checking out and instrumentation
* construct management
* constructing for Android tablets

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Example text

3 User accounts and file permissions One thing Linux is popular for, especially in multiuser environments, is its user account management and—closely related—its permission and privacy model. Permissions in Linux are handled on a per-file basis. This may sound restrictive, but it isn’t, because we didn’t yet mention a rather curious aspect about Linux (in fact, any UNIX-based OS): everything in Linux is a file. Disks and processes are represented and controlled through files, applications and their settings are files, even directories are files.

How can you prevent another user from accessing your private data? As it turns out, Linux uses a simple but effective permission system to handle that. 3 User accounts and file permissions One thing Linux is popular for, especially in multiuser environments, is its user account management and—closely related—its permission and privacy model. Permissions in Linux are handled on a per-file basis. This may sound restrictive, but it isn’t, because we didn’t yet mention a rather curious aspect about Linux (in fact, any UNIX-based OS): everything in Linux is a file.

Persisting data using SQLite will be covered in chapter 6. Along with having data covered, Android also includes another library that’s of paramount importance in the modern web-enabled world, a full-blown browser rendering engine based on WebKit. 3 Web integration Android comes equipped with WebKit, a complete HTML rendering engine also used in Apple’s Safari and Google’s Chrome. WebKit supports CSS Level 3 stylesheets (scoring an impressive 100 out of 100 points in the important Acid3 web standards test) and also sports a performant JavaScript engine (Google’s V8, which outperforms most other JavaScript VMs in many head-to-head comparisons).

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