By Grant Allen
Beginning Android 4 is an replace to Beginning Android 3, initially written by means of Mark Murphy. it's your first step at the route to developing marketable apps for the burgeoning Android industry, Amazon's Android Appstore, and extra. Google’s Android operating-system has taken the by way of hurricane, going from its humble beginnings as a telephone working approach to its present prestige as a platform for apps that run throughout a gamut of units from telephones to drugs to netbooks to televisions, and the checklist is certain to develop.
clever builders usually are not sitting idly via within the stands, yet are leaping into the sport of making cutting edge and salable purposes for this fast-growing, cellular- and consumer-device platform. If you’re no longer within the video game but, now could be your probability!
Beginning Android 4 is clean with information at the most up-to-date new release of the Android platform. commence before everything by means of fitting the instruments and compiling a skeleton app. go through developing layouts, applying widgets, taking person enter, and giving again effects. quickly you’ll be developing leading edge functions related to multi-touch, multi-tasking, location-based characteristic units utilizing GPS.
You’ll be drawing info dwell from the net utilizing internet companies and delighting your consumers with life-enhancing apps. no longer because the laptop period first begun has there been this a lot chance for the typical developer. What are you watching for? seize your replica of Beginning Android 4 and start!
<h3>What you’ll learn</h3> * strengthen Java-based cellular purposes and video games for quite a lot of telephones and units.
* Create consumer interfaces utilizing WebKit and the Android widget framework.
* construct place- and map-based functions drawing on reside feeds over the web.
* comprise actions, companies, content material companies, and broadcast receivers into your functions.
* help a number of Android types, a number of reveal sizes, and different device-specific features.
* construct and event the array of latest WebM video and different multimedia APIs for Android and extra.
Who this booklet is for
Beginning Android 4 is geared toward programmers new to Android program improvement who wish to create marketable functions for the burgeoning marketplace of phone, capsule, and different Android equipment clients.
desk of Contents * the massive photograph
* the way to start
* Your First Android venture
* reading Your First undertaking
* a section approximately Eclipse
* bettering Your First undertaking
* Rewriting Your First undertaking
* utilizing XML-Based Layouts
* utilising uncomplicated Widgets
* operating with packing containers
* The enter procedure Framework
* utilizing choice Widgets
* Getting Fancy with Lists
* nonetheless extra Widgets and boxes
* Embedding the WebKit Browser
* utilizing Menus
* displaying Pop-up Messages
* dealing with task Lifecycle occasions
* dealing with Rotation
* facing Threads
* growing rationale Filters
* Launching actions and Sub-Activities
* operating with assets
* Defining and utilizing types
* dealing with a number of reveal Sizes
* Introducing the Honeycomb UI
* utilizing the motion Bar
* dealing with Platform adjustments
* having access to records
* utilizing personal tastes
* dealing with and gaining access to neighborhood Databases
* Leveraging Java Libraries
* speaking through the net
* companies: the idea
* uncomplicated carrier styles
* Alerting clients through Notifications
* soliciting for and Requiring Permissions
* having access to Location-Based companies
* Mapping with MapView and MapActivity
* dealing with cellphone Calls
* extra improvement instruments
* The function of different Environments
* different replacement Environments
* facing units
* the place will we move from right here?
Read Online or Download Beginning Android 4 PDF
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Additional resources for Beginning Android 4
Determining how to solve some specific development problem can be a challenge, exacerbated by the newness of Android itself. This section offers some tips for handling some common issues in using Eclipse with Android. How to Import a Non-Eclipse Project Not all Android projects ship with Eclipse project files, such as the sample projects associated with this book. However, you can easily add them to your Eclipse workspace, if you wish. Here’s how to do it! First, choose File ➤➤ New ➤➤ Project from the Eclipse main menu, as shown in Figure 5–1.
What Is an XML-Based Layout? As the name suggests, an XML-based layout is a specification of widgets’ relationships to each other—and to containers—encoded in XML format. Specifically, Android considers XML-based layouts to be resources, and as such, layout files are stored in the reslayout directory inside your Android project. Each XML file contains a tree of elements specifying a layout of widgets and containers that make up one View. The attributes of the XML elements are properties, describing how a widget should look or how a container should behave.
Then, Eclipse will install the application on your device or emulator and start it. 6 [setup] API level: 4 [setup] [setup] -----------------[setup] Resolving library dependencies: [setup] No library dependencies. [setup] [setup] -----------------[setup] [setup] WARNING: No minSdkVersion value set. Application will install on all Android versions. xml clean: CHAPTER 3: Your First Android Project [delete] Deleting directory /home/some-balding-guy/projects/Skeleton/Now/bin [delete] Deleting directory /home/some-balding-guy/projects/Skeleton/Now/gen -debug-obfuscation-check: -set-debug-mode: -compile-tested-if-test: -pre-build: -dirs: [echo] [mkdir] [mkdir] [mkdir] Creating output directories if needed...