By Grant Allen
Beginning Android 4 is an replace to Beginning Android 3, initially written through Mark Murphy. it's your first step at the route to growing marketable apps for the burgeoning Android industry, Amazon's Android Appstore, and extra. Google’s Android operating-system has taken the through typhoon, 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 pills to netbooks to televisions, and the record is bound to develop.
clever builders aren't sitting idly by way of within the stands, yet are leaping into the sport of making leading edge and salable functions 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 recent generation of the Android platform. commence in the beginning through fitting the instruments and compiling a skeleton app. go through developing layouts, using widgets, taking consumer enter, and giving again effects. quickly you’ll be growing leading edge purposes related to multi-touch, multi-tasking, location-based function units utilizing GPS.
You’ll be drawing information stay from the web utilizing net prone and delighting your buyers with life-enhancing apps. now not because the notebook period first begun has there been this a lot chance for the typical developer. What are you looking forward to? seize your replica of Beginning Android 4 and start!
<h3>What you’ll learn</h3> * improve Java-based cellular functions and video games for quite a lot of telephones and units.
* Create person interfaces utilizing WebKit and the Android widget framework.
* construct situation- and map-based functions drawing on stay feeds over the web.
* include actions, prone, content material companies, and broadcast receivers into your purposes.
* help a number of Android types, a number of display sizes, and different device-specific features.
* construct and adventure the array of latest WebM video and different multimedia APIs for Android and extra.
Who this publication is for
Beginning Android 4 is geared toward programmers new to Android software improvement who wish to create marketable functions for the burgeoning industry of phone, pill, and different Android machine clients.
desk of Contents * the large photo
* how you can start
* Your First Android venture
* reading Your First undertaking
* a piece approximately Eclipse
* bettering Your First undertaking
* Rewriting Your First venture
* utilizing XML-Based Layouts
* using simple Widgets
* operating with boxes
* The enter approach Framework
* utilizing choice Widgets
* Getting Fancy with Lists
* nonetheless extra Widgets and bins
* Embedding the WebKit Browser
* using Menus
* exhibiting 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 display Sizes
* Introducing the Honeycomb UI
* utilizing the motion Bar
* dealing with Platform alterations
* having access to records
* utilizing personal tastes
* coping with and having access to neighborhood Databases
* Leveraging Java Libraries
* speaking through the web
* companies: the idea
* uncomplicated provider styles
* Alerting clients through Notifications
* asking for and Requiring Permissions
* having access to Location-Based providers
* Mapping with MapView and MapActivity
* dealing with phone Calls
* extra improvement instruments
* The function of different Environments
* different replacement Environments
* facing units
* the place can we cross from the following?
Read Online or Download Beginning Android 4 PDF
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Additional info for Beginning Android 4
Anything you do want to use in your Java source, though, needs an android:id. The convention is to use @+id/... as the id value, where the ... represents your locally unique name for the widget in question, for the first occurrence of a given id value in your layout file. In the XML layout example in the preceding section, @+id/button is the identifier for the Button widget. The second and subsequent occurrences in the same layout file should drop the + sign—a feature we will use in Chapter 10.
More commonly, though, you will create labels in XML layout files by adding a TextView element to the layout, with an android:text property to set the value of the label itself. If you need to swap labels based on certain criteria, such as internationalization, you may wish to use a string resource reference in the XML instead, as will be described later in this book. , monospace) android:textStyle: Indicates that the typeface should be made bold (bold), italic (italic), or bold and italic (bold_italic) android:textSize: Specifies the size of the font, in one of several measures: sp (scaled pixels), dip (density-independent pixels), px (raw pixels), in (inches), mm (millimeters).
Figure 5–2. New Project wizard in Eclipse NOTE: If you do not see this option, you have not installed Android Developer Tools. xml file. This will populate most of the rest of the wizard page, though you may need to also specify a build target from the table, as shown in Figure 5–3. 39 CHAPTER 5: A Bit About Eclipse Download from Wow! com> 40 Figure 5–3. New Android Project wizard in Eclipse Then, click Finish. This will return you to Eclipse, with the imported project in your workspace, as shown in Figure 5–4.
Beginning Android 4 by Grant Allen