Download Beginning Android 4 by Grant Allen PDF

By Grant Allen

Beginning Android 4 is an replace to Beginning Android 3, initially written by way of Mark Murphy. it's your first step at the route to growing marketable apps for the burgeoning Android marketplace, Amazon's Android Appstore, and extra. Google’s Android operating-system has taken the through hurricane, going from its humble beginnings as a phone working procedure 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 certain to develop.

shrewdpermanent builders should not sitting idly via within the stands, yet are leaping into the sport of constructing leading edge and salable purposes for this fast-growing, cellular- and consumer-device platform. If you’re no longer within the online game but, now's your likelihood!

Beginning Android 4 is clean with info at the most recent generation of the Android platform. commence before everything by means of fitting the instruments and compiling a skeleton app. go through developing layouts, making use of widgets, taking consumer enter, and giving again effects. quickly you’ll be growing leading edge functions concerning multi-touch, multi-tasking, location-based function units utilizing GPS.

You’ll be drawing facts dwell from the net utilizing internet prone and delighting your consumers with life-enhancing apps. now not because the computer period first begun has there been this a lot chance for the typical developer. What are you anticipating? seize your replica of Beginning Android 4 and start!

<h3>What you’ll learn</h3> * advance Java-based cellular purposes and video games for a variety of telephones and units.
* Create person interfaces utilizing WebKit and the Android widget framework.
* construct situation- and map-based purposes drawing on stay feeds over the net.
* comprise actions, providers, content material companies, and broadcast receivers into your purposes.
* aid a number of Android types, a number of display sizes, and different device-specific features.
* construct and event the array of recent WebM video and different multimedia APIs for Android and extra.
Who this ebook is for
Beginning Android 4 is geared toward programmers new to Android program improvement who wish to create marketable purposes for the burgeoning marketplace of cellphone, pill, and different Android gadget clients.
desk of Contents * the large photo
* easy methods to start
* Your First Android undertaking
* analyzing Your First venture
* a piece approximately Eclipse
* bettering Your First undertaking
* Rewriting Your First venture
* utilizing XML-Based Layouts
* applying easy Widgets
* operating with packing containers
* The enter technique Framework
* utilizing choice Widgets
* Getting Fancy with Lists
* nonetheless extra Widgets and bins
* Embedding the WebKit Browser
* employing Menus
* displaying Pop-up Messages
* dealing with job Lifecycle occasions
* dealing with Rotation
* facing Threads
* growing motive Filters
* Launching actions and Sub-Activities
* operating with assets
* Defining and utilizing kinds
* dealing with a number of reveal Sizes
* Introducing the Honeycomb UI
* utilizing the motion Bar
* Fragments
* dealing with Platform alterations
* getting access to documents
* utilizing personal tastes
* dealing with and gaining access to neighborhood Databases
* Leveraging Java Libraries
* speaking through the net
* prone: the speculation
* easy provider styles
* Alerting clients through Notifications
* asking for and Requiring Permissions
* having access to Location-Based companies
* Mapping with MapView and MapActivity
* dealing with cell Calls
* Fonts
* extra improvement instruments
* The position of different Environments
* PhoneGap
* different replacement Environments
* facing units
* the place will we move from right here?

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Extra resources for Beginning Android 4

Example text

For the moment, consider it an opaque handle that all activities receive upon creation. public void onClick(View view) { updateTime(); } In Java's traditional Swing UI world, a JButton click raises an ActionEvent, which is passed to the ActionListener configured for the button. In Android, a button click causes onClick() to be invoked in the OnClickListener instance configured for the button. The listener has passed to it the view that triggered the click (in this case, the button). toString()); } When we open the activity (onCreate()) or when the button is clicked (onClick()), we update the button’s label to be the current time via setText(), which functions much the same as the JButton equivalent.

Specifying Versions As noted in the previous chapter, your manifest already contains some version information about your application’s version. xml file a element as a child of the element, to specify which versions of Android your application supports. 0 and onward to any version in the future. Most likely, that is not what you want. The most important attribute for your element is android:minSdkVersion. This indicates what is the oldest version of Android for which you offer support.

The version name can be any string value you want. The android:versionCode value, on the other hand, must be an integer, and newer versions must have higher version codes than do older versions. Android and the Android Market will compare the version code of a new APK to the version code of an installed application to determine if the new APK is indeed an update. The typical approach is to start the version code at 1 and increment it with each production release of your application, though you can choose another convention if you wish.

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