Android Recipes: A Problem-Solution Approach (2nd Edition) by Jeff Friesen, Dave Smith

By Jeff Friesen, Dave Smith

Android remains to be one of many top cellular OS and improvement systems riding today's cellular suggestions and the apps atmosphere. Android appears to be like complicated, yet bargains a number of prepared improvement kits to these getting into Android with differing programming language ability units.

Android Recipes: A Problem-Solution strategy, 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 prior releases.

rather than summary descriptions of advanced innovations, in Android Recipes, you'll locate reside code examples. if you begin a brand new venture, you could examine copying and pasting the code and configuration records from this ebook, then enhancing them on your personal customization wishes.

full of insightful guide and beneficial examples, this moment version of Android Recipes is your consultant to writing apps for one in every of today’s most well-liked cellular systems. It bargains pragmatic suggestion that can assist you get the task 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 percentage it among applications
•  Capture and play again numerous equipment media items
•  Communicate with internet services
•  Get the main from your person 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 begun with Android
2. consumer Interface Recipes
three. Communications and Networking
four. Interacting with equipment and Media
five. Persisting facts
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 assessment
eleven. Appendix C: App layout instructions
12. Appendix D: Univerter structure

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Additional resources for Android Recipes: A Problem-Solution Approach (2nd Edition)

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Developing apps. These tools support the latest features of the Android platform and are typically updated only when a new platform becomes available. They are always backwardcompatible with older platforms, but you must make sure that you have the latest version of these tools when you install a new platform. If you don’t check the Android SDK Platform tools item (which is not checked by default), the platform tools will be installed automatically. 1 (Level 16). This category and all of its items are checked, so leave them as is.

NOTE: tags are nested within tags— they appear at the same level as the tag. At app install time, permissions requested by the app (via ) are granted to it by Android’s package installer, based upon checks against the digital signatures of the apps declaring those permissions and/or interaction with the user. No checks with the user are done while an app is running. It was granted a specific permission when installed and can use that feature as desired, or the permission was not granted and any attempt to use the feature will fail without prompting the user.

6 or higher). html. html#Dimension. Because this chapter and Appendix D refer to densityindependent pixels and scale-independent pixels, these two units of measurement are defined below. A density-independent pixel (dip or dp) is an abstract unit (that is, a virtual pixel) that is based on the physical density of the screen. This unit is relative to a 160 dpi screen, so one dp is one pixel on a 160 dpi screen. The ratio of dp-to-pixel will change with the screen density but not necessarily in direct proportion.

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