Beginning Android 4 by Grant Allen

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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 developing marketable apps for the burgeoning Android industry, Amazon's Android Appstore, and extra. Google’s Android operating-system has taken the via typhoon, going from its humble beginnings as a telephone 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 bound to develop.

clever builders are usually not sitting idly through 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 online game but, now could be your likelihood!

Beginning Android 4 is clean with information at the most up-to-date new release of the Android platform. commence initially by means of fitting the instruments and compiling a skeleton app. go through developing layouts, using widgets, taking person enter, and giving again effects. quickly you’ll be growing cutting edge purposes concerning multi-touch, multi-tasking, location-based function units utilizing GPS.

You’ll be drawing information stay from the web utilizing net providers and delighting your shoppers with life-enhancing apps. no longer because the workstation 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> * improve 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 position- and map-based purposes drawing on dwell feeds over the net.
* comprise actions, companies, content material companies, and broadcast receivers into your purposes.
* aid a number of Android types, a number of reveal 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 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 telephone, capsule, and different Android gadget clients.
desk of Contents * the large photograph
* the best way to start
* Your First Android venture
* interpreting Your First venture
* a piece approximately Eclipse
* bettering Your First venture
* Rewriting Your First venture
* utilizing XML-Based Layouts
* utilizing simple Widgets
* operating with bins
* The enter technique Framework
* utilizing choice Widgets
* Getting Fancy with Lists
* nonetheless extra Widgets and boxes
* Embedding the WebKit Browser
* using Menus
* exhibiting Pop-up Messages
* dealing with task Lifecycle occasions
* dealing with Rotation
* facing Threads
* developing purpose 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
* Fragments
* dealing with Platform adjustments
* gaining access to documents
* utilizing personal tastes
* handling and getting access to neighborhood Databases
* Leveraging Java Libraries
* speaking through the web
* companies: the speculation
* easy provider styles
* Alerting clients through Notifications
* soliciting for and Requiring Permissions
* gaining access to Location-Based prone
* Mapping with MapView and MapActivity
* dealing with cellphone Calls
* Fonts
* extra improvement instruments
* The position of different Environments
* HTML5
* PhoneGap
* different replacement Environments
* facing units
* the place will we pass from right here?

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Beginning Android 4

starting Android four is an replace to starting Android three, initially written by means of Mark Murphy. it's your first step at the route to developing marketable apps for the burgeoning Android marketplace, Amazon's Android Appstore, and extra. Google’s Android operating-system has taken the by means of typhoon, going from its humble beginnings as a telephone working method to its present prestige as a platform for apps that run throughout a gamut of units from telephones to capsules to netbooks to televisions, and the record is certain to develop.

shrewdpermanent builders should not sitting idly by means 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 now not within the video game but, now's your likelihood!

starting Android four is clean with information at the newest new release of the Android platform. commence first and foremost through fitting the instruments and compiling a skeleton app. go through growing layouts, utilising widgets, taking consumer enter, and giving again effects. quickly you’ll be developing leading edge functions regarding multi-touch, multi-tasking, location-based function units utilizing GPS.

You’ll be drawing facts dwell from the web utilizing internet prone and delighting your buyers with life-enhancing apps. no longer because the computing device period first started has there been this a lot chance for the typical developer. What are you watching for? seize your reproduction of starting Android four and start!

<h3>What you’ll learn</h3> * enhance 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 place- and map-based functions drawing on stay feeds over the web.
* comprise actions, providers, content material prone, and broadcast receivers into your purposes.
* aid a number of Android models, a number of display 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 ebook is for
starting Android four is aimed toward programmers new to Android program improvement who wish to create marketable functions for the burgeoning marketplace of telephone, pill, and different Android equipment clients.
desk of Contents * the massive photograph
* the right way to start
* Your First Android undertaking
* studying Your First undertaking
* a piece approximately Eclipse
* improving Your First undertaking
* Rewriting Your First undertaking
* utilizing XML-Based Layouts
* utilising simple Widgets
* operating with boxes
* The enter procedure Framework
* utilizing choice Widgets
* Getting Fancy with Lists
* nonetheless extra Widgets and packing containers
* Embedding the WebKit Browser
* using Menus
* displaying Pop-up Messages
* dealing with task Lifecycle occasions
* dealing with Rotation
* facing Threads
* developing purpose Filters
* Launching actions and Sub-Activities
* operating with assets
* Defining and utilizing kinds
* dealing with a number of display Sizes
* Introducing the Honeycomb UI
* utilizing the motion Bar
* Fragments
* 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 web
* providers: the speculation
* uncomplicated carrier styles
* Alerting clients through Notifications
* soliciting for and Requiring Permissions
* gaining access to Location-Based prone
* Mapping with MapView and MapActivity
* dealing with mobilephone Calls
* Fonts
* extra improvement instruments
* The position of other Environments
* HTML5
* PhoneGap
* different substitute Environments
* facing units
* the place will we pass from the following?

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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.

Those widgets are simply subclasses of View, just like the Button instance we created in the previous chapter. The Rest of the Story In the original Now demo, the button’s face would show the current time, which would reflect when the button was last pushed (or when the activity was first shown, if the button had not yet been pushed). Most of that logic still works, even in this revised demo (NowRedux). main)). xml in our project’s res/layout directory). The other difference is that we need to get our hands on our Button instance, for which we use the findViewById() call.

Otherwise, if you do not have a device plugged in, the emulator will start up with the AVD you created earlier. 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...

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