By Jeff Friesen, Dave Smith
Android is still one of many major cellular OS and improvement structures using today's cellular suggestions and the apps surroundings. Android seems advanced, yet deals a number of geared up improvement kits to these entering Android with differing programming language ability units.
Android Recipes: A Problem-Solution technique, moment Edition bargains greater than a hundred down-to-earth code recipes, and publications you step by step via quite a lot of worthwhile 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 suggestions, in Android Recipes, you'll locate stay code examples. if you happen to begin a brand new venture, you could think about copying and pasting the code and configuration records from this ebook, then editing them in your personal customization wishes.
full of insightful guide and precious 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 recommendation to help you get the activity performed speedy and well. this may prevent loads of paintings over making a undertaking 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 information and percentage it among applications
• Capture and play again a variety of gadget media items
• Communicate with net 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 e-book is for</h3>
This ebook is a convenient reference for all Android app developers. rookies can also locate this of curiosity, too.
<h3>Table of Contents</h3>1. Getting all started with Android
2. consumer Interface Recipes
three. Communications and Networking
four. Interacting with machine and Media
five. Persisting facts
6. Interacting with the approach
7. operating with Libraries
eight. operating with Android NDK and Renderscript
nine. Appendix A: Scripting Layer for Android
10. Appendix B: Android instruments evaluate
eleven. Appendix C: App layout directions
12. Appendix D: Univerter structure
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Additional info for Android Recipes: A Problem-Solution Approach (2nd Edition)
For example, the Google USB Driver item is already checked in the Extras section. However, you only need to install this component when developing on a Windows platform and testing your apps on an actual Android device. Click the Install 7 packages button (the number will differ should you choose to install more or fewer packages). You’ll encounter the Choose Packages to Install dialog box shown in Figure 1-8. 57 58 CHAPTER 1: Getting Started with Android Figure 1-8. The Packages list identifies those packages that can be installed.
To preserve their file names (and file hierarchy), save these files in the assets directory, which is at the same level as res. CHAPTER 1: Getting Started with Android values stores XML files that define simple values such as strings, integers, or colors. Each file in this directory can define multiple resources, whereas XML files in other directories define single resources. Because each resource is defined with its own XML element, you can name these files whatever you want and place different resource types in the same file.
Xml file located in the res/values directory. xml files with canada entries in res/values and res/values-fr. xml. xml. xml. file name, where file name corresponds to the original file name. InputStream object from which you can read the resource. AssetManager to access them. Files stored in assets are not given resource IDs. XML-Based Access You can refer to existing resources from various XML element attributes. For example, you will often refer to string and image (that is, drawable) resources to supply the text and images for various widgets that you specify in your layout files.