By Donn Felker, Joshua Dobbs
The thrill and pleasant consultant to making functions at the Android platformThe acclaim for the Android industry is hovering without signal of slowing down. The open nature of the Android OS bargains programmers the liberty to entry the platform's functions and this easy advisor walks you thru the stairs for developing outstanding Android purposes. Android programming professional Donn Felker explains the way to obtain the SDK, get Eclipse up and operating, code Android functions, and post your accomplished items to the Android marketplace. that includes pattern courses, this introductory booklet explores every thing from the straightforward fundamentals to extra complex features of the Android platform.Takes you soup via nuts of constructing purposes for the Android platformBegins with downloading the SDK, then explains the way to code Android purposes and put up initiatives to the Android MarketWritten via Android guru Donn Felker, who breaks each point of constructing purposes for the Android platform into simply digestible piecesNo topic your point of programming event, Android program improvement For Dummies is a perfect consultant for buying all started with constructing functions for the Android platform.
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Additional resources for Android Application Development For Dummies , Edition: 1st
Joshua Dobbs is a senior lead Web application developer for a large electronics manufacturer in Southern California. He has more than ten years’ experience in Web and desktop application development. Josh was an early adopter of the Android platform and creates Android apps in his spare time. His apps have been downloaded more than 6 million times, and he was selected by Google as top Android developer for its Device Seeding Program. com. Dedication To my dogs, Lulu and Macho, and my cat, Vito: Thanks for keeping me company in the cold basement while I cranked out page after page in the wee hours of the morning while everyone else was asleep.
Touchscreen Android phones have touchscreens, a fact that opens a ton of possibilities and can enhance users’ interaction with your apps. Users can swipe, flip, drag, and pinch to zoom, for example, by moving a finger or fingers on the touchscreen. You can even use custom gestures for your app, which opens even more possibilities. Android also supports multitouch, which means that the entire screen is touchable by more than one finger at a time. Hardware buttons are old news. You can place buttons of any shape anywhere on the screen to create the UI that’s best suited for your app.
This is why most of the functions that modify the user’s device or access its protected content need to have permissions to work. Suppose that you want to download an image from the Web and save it to the SD Card. To do so, you need to get permission to use the Internet so that you can download the file. You also need permission to save files to the SD Card. Upon installation of the application, the user is notified of the permissions that your app is requesting. At that point, the user can decide whether he wants to proceed with the installation.