By Jeff Friesen, Dave Smith
Android is still one of many best cellular OS and improvement systems using today's cellular concepts and the apps environment. Android seems to be advanced, yet bargains numerous equipped improvement kits to these entering Android with differing programming language ability units.
Android Recipes: A Problem-Solution procedure, moment Edition bargains greater than a hundred down-to-earth code recipes, and courses you step by step via a variety of worthy themes utilizing whole and real-world operating code examples. It's up to date to incorporate the Jelly Bean Android SDK in addition to previous releases.
rather than summary descriptions of advanced thoughts, in Android Recipes, you'll locate stay code examples. in the event you commence a brand new undertaking, you could examine copying and pasting the code and configuration records from this booklet, then editing them to your personal customization wishes.
filled with insightful guideline and valuable examples, this moment variation of Android Recipes is your consultant to writing apps for one in every of today’s most popular cellular structures. It deals pragmatic suggestion that can assist you get the activity performed quick and well. this may prevent loads of paintings over making a venture from scratch!
<h3>What you’ll learn</h3>• Use exterior libraries to avoid wasting time and effort
• Boost app functionality through the use of the Android NDK and Renderscript
• Design apps for functionality, responsiveness, and seamlessness
• Send information among units and different exterior hardware
• Persist software info and proportion it among applications
• Capture and play again a variety of gadget media items
• Communicate with internet services
• Get the main from your consumer interface
• Develop a unit conversion app within the context of the command-line/Android SDK and Eclipse/Android SDK environments
<h3>Who this publication is for</h3>
This booklet is a convenient reference for all Android app developers. beginners can also locate this of curiosity, too.
<h3>Table of Contents</h3>1. Getting began with Android
2. consumer Interface Recipes
three. Communications and Networking
four. Interacting with gadget and Media
five. Persisting information
6. Interacting with the method
7. operating with Libraries
eight. operating with Android NDK and Renderscript
nine. Appendix A: Scripting Layer for Android
10. Appendix B: Android instruments review
eleven. Appendix C: App layout directions
12. Appendix D: Univerter structure
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Extra resources for Android Recipes: A Problem-Solution Approach (2nd Edition)
It’s not sufficient to have only a Java Runtime Environment (JRE) installed. (JDK 7 is somewhat problematic when creating an app in release mode. 8 or later so that you can build Android projects. CHAPTER 1: Getting Started with Android NOTE: If a JDK is already installed on your development platform, take a moment to ensure that it meets the previously listed version requirement (6 or 7). 4, which is not supported for Android development. Also, GNU Compiler for Java is not supported. tgz (Linux) distribution archives for Release 20 of the Android SDK.
Resources stored in these subdirectories define an app’s default design and content. They are used by the current Android device unless overridden by alternative resources. Alternative Resources Alternative resources are resources that are used with a specific device configuration. For example, a layout resource that’s optimal for landscape mode replaces the default portrait-oriented layout resource when the device is switched to landscape mode. A second example is strings of French text replacing default English-oriented strings when the device’s locale setting is changed to French.
1 specific files. TIP: You might want to add platform-tools to your PATH environment variable so that you can access these tools from anywhere in your filesystem. Creating an Android Virtual Device Problem After installing the Android SDK and an Android platform, you’re ready to start creating Android apps. However, you won’t be able to run those apps via the emulator tool until you create an Android Virtual Device (AVD), a device configuration that represents an Android device. Solution Use the AVD Manager or android tool to create an AVD.