Android Application Development For Dummies by Donn Felker

By Donn Felker

The enjoyable and pleasant advisor to making functions at the Android platform
the recognition of the Android marketplace 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 simple advisor walks you thru the stairs for developing impressive Android functions. Android programming professional Donn Felker explains tips on how to obtain the SDK, get Eclipse up and operating, code Android functions, and put up your entire items to the Android marketplace. that includes pattern courses, this introductory booklet explores every thing from the straightforward fundamentals to extra complex points of the Android platform. * Takes you soup via nuts of constructing purposes for the Android platform * starts with downloading the SDK, then explains tips to code Android functions and put up tasks to the Android marketplace * Written by means of Android guru Donn Felker, who breaks each point of constructing purposes for the Android platform into simply digestible items
regardless of your point of programming event, Android program improvement For Dummies is a perfect advisor for purchasing all started with constructing functions for the Android platform.

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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.

27 28 Part I: The Nuts and Bolts of Android ✓ SQLite: This open-source relational database engine is designed to be embedded in devices. ✓ Media frameworks: These libraries allow you to play and record audio and video. ✓ Secure Sockets Layer (SSL): These libraries are responsible for Internet security. See Figure 2-2 for a list of common Android libraries. 6 kernel. ” It’s simple: All these open-source frameworks are available to you through Android. You don’t have to worry about how Android interacts with SQLite and the surface manager; you just use them as tools in your Android tool belt.

You don’t have to worry about how Android interacts with SQLite and the surface manager; you just use them as tools in your Android tool belt. The Android team has built on a known set of proven libraries and has given them to you, all exposed through Android interfaces. These interfaces wrapped up the various libraries and made them useful to the Android platform as well as useful to you as a developer. Android has all these libraries built in the background and exposes these features to you without your having to build any of the functionality that they provide: ✓ Activity manager: Manages the activity life cycle.

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