Android Recipes: A Problem-Solution Approach 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 concepts and the apps atmosphere. Android appears advanced, yet bargains various equipped improvement kits to these getting into Android with differing programming language ability sets.

Android Recipes: A Problem-Solution procedure courses you step by step via a variety of invaluable subject matters utilizing entire and real-world operating code examples.

during this e-book, you'll start up with a recap of Android structure and app basics, after which get all the way down to enterprise and construct an app with Google’s Android SDK on the command line and Eclipse. subsequent, you'll the right way to accomplish functional initiatives concerning the person interface, communications with the cloud, gadget undefined, facts patience, communications among purposes, and interacting with Android itself. ultimately, you'll leverage quite a few libraries and Scripting Layer for Android (SL4A) to assist you practice initiatives extra fast, the way to use the Android NDK to spice up app functionality, and the way to layout apps for functionality, responsiveness, seamlessness, and more.

rather than summary descriptions of advanced ideas, in Android Recipes, you'll locate reside code examples. if you begin a brand new undertaking, you could examine copying and pasting the code and configuration documents from this booklet, then editing them in your personal customization wishes. this may prevent loads of paintings over making a venture from scratch!

What you’ll learn

* detect Android structure and numerous Android-specific APIs
* easy methods to boost a unit conversion app within the context of command-line/Android SDK and Eclipse/Android SDK environments
* tips to accomplish a number of projects concerning the person interface and extra
* tips on how to use exterior libraries to save lots of effort and time
* how you can fast advance an app utilizing the Scripting Layer for Android (SL4A) device
* how one can increase app functionality through the use of the Android NDK
* directions for designing filtered apps, performant apps, responsive apps, and seamless apps

Who this booklet is for
rookies to Android, in addition to extra complete Android builders.

desk of Contents

* Getting begun with Android
* person Interface Recipes
* Communications and Networking
* Interacting with equipment and Media
* Persisting info
* Interacting with the process
* operating with Libraries
* Scripting Layer for Android
* Android NDK
* App layout directions

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Extra resources for Android Recipes: A Problem-Solution Approach

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The offline documentation requires approximately 250MB of disk storage space. Finally, you should ensure that the following additional software is installed:  JDK 5 or JDK 6: You need to install one of these Java Development Kits (JDKs) to compile Java code. It’s not sufficient to have only a Java Runtime Environment (JRE) installed. 7 or later for Windows so that you can build Android projects. NOTE: If a JDK is already installed on your development platform, take a moment to ensure that it meets the previously listed version requirement (5 or 6).

Click OK. Any SDK components that are available from the website will appear under Available Packages. New revisions of existing SDK components are occasionally released and made available through the SDK repository. In most cases, assuming that you have those components installed in your environment, you’ll want to download the new revisions as soon as possible. The easiest way to learn about component updates is to visit the Available Packages pane. 3 platform. The new component is installed in place of the old component, but in such a manner as to not impact your apps.

You must sign the resulting APK with your private key, and then optimize the APK with zipalign. ) Specify ant release. Build UC in debug mode by invoking ant debug from the C:\prj\dev\UC directory. apk file in the bin subdirectory. 1–7. apk package file that you just created on the previously started AVD and run this app. 55 56 CHAPTER 1: Getting Started with Android Solution Use the adb tool to install UC. Navigate to the app launcher screen to run UC. apk on the AVD. apk Success From the home screen, click the app launcher icon (the rectangular grid icon centered at the bottom of the home screen) and scroll down on the result screen’s list of app icons.

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