By Marko Gargenta
Are looking to construct apps for Android units? This publication is the precise solution to grasp the basics. Written through knowledgeable who's taught this cellular platform to enormous quantities of builders in huge corporations, this mild creation indicates skilled object-oriented programmers tips to use Android's uncomplicated development blocks to create consumer interfaces, shop info, connect with the community, and more.
You'll construct a Twitter-like program during the process this e-book, including new good points with every one bankruptcy. alongside the way in which, you'll additionally create your personal toolbox of code styles that can assist you application any form of Android program with ease.
* Get an summary of the Android platform and realize the way it suits into the cellular atmosphere
* find out about the Android stack, together with its program framework, and the constitution and distribution of program programs (APK)
* arrange your Android improvement setting and start with easy courses
* Use Android's development blocks--Activities, Intents, companies, content material companies, and Broadcast Receivers
* find out how to construct uncomplicated Android person interfaces and set up UI parts in perspectives and Layouts
* construct a provider that makes use of a historical past method to replace info on your program
* Get an creation to Android Interface Definition Language (AIDL) and the local improvement equipment (NDK)
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Additional info for Learning Android
This is important in order to create the right motivation for those new to Android. Familiar The example application should be simple to understand. We want to focus on design and implementation, and not on features and benefits. The Yamba Application The application I picked for this book is a Twitter-like application. We call it Yamba, which stands for Yet Another Micro Blogging App. Yamba lets a user connect to a service such as Twitter, pull down friends’ statuses, and update that user’s own status.
So, fire up Eclipse and click on File→New→Android Project. You will get a dialog window asking you about your new Android project (see Figure 6-2). Let’s explain again all the significant fields: Project name The name under which Eclipse organizes our project. It is a good idea not to use any spaces in your project name. This makes it easier to access from the command line later. Enter “Yamba” here. Contents Leave this as is—set to creating a new project—since that’s what we intend to do. Build Target This field indicates the type of Android system we intend to run this application on.
Figure 3-1. Install new software Hello, World To make sure everything is set up properly, we’re going to write a simple Hello World program. As a matter of fact, there’s not much for us to write, but a lot to understand. This is because Eclipse will create the project shell for us from some predefined templates. Creating a New Project In Eclipse, choose File→New→Android Project. Sometimes (especially the first time you run Eclipse) the Android tools may not be appear there right away. They should show up in the future after you’ve used them for the first time.