Professional Android Application Development (Wrox Programmer to Programmer)

By Reto Meier

A hands-on advisor to development cellular purposes, Professional Android software Development beneficial properties concise and compelling examples that aid you speedy build real-world cellular purposes for Android telephones. absolutely up to date for model 1.0 of the Android software program improvement package, it covers the entire crucial positive factors, and explores the complicated functions of Android (including GPS, accelerometers, and historical past providers) that can assist you build more and more complicated, beneficial, and leading edge cellular purposes for Android telephones.

What this ebook includes

  • An creation to cellular improvement, Android, and the way to get started.
  • An in-depth examine Android functions and their lifestyles cycle, the applying take place, Intents, and utilizing exterior resources.
  • Details for growing complicated and compelling person interfaces by utilizing, extending, and growing your personal layouts and perspectives and utilizing Menus.
  • A certain examine info garage, retrieval, and sharing utilizing personal tastes, documents, databases, and content material Providers.
  • Instructions for taking advantage of cellular portability through developing wealthy map-based functions in addition to utilizing location-based prone and the geocoder.
  • A examine the facility of history providers, utilizing threads, and a close examine Notifications.
  • Coverage of Android's verbal exchange talents together with SMS, the telephony APIs, community administration, and a advisor to utilizing net resources
  • Details for utilizing Android undefined, together with media recording and playback, utilizing the digicam, accelerometers, and compass sensors.
  • Advanced improvement issues together with safeguard, IPC, complex second / 3D photos concepts, and user–hardware interaction.

Who this booklet is for
This ebook is for someone drawn to developing purposes for the Android cellphone platform. It comprises info that may be worthy no matter if you are an skilled cellular developer or making your first foray, through Android, into writing cellular functions. it's going to supply the grounding and information you must write purposes utilizing the present SDK, besides the pliability to quick adapt to destiny enhancements.

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SetText(“”); go back actual; } go back fake; } }); } nine. Run or debug the applying, and you’ll see a textual content access field above an inventory, as proven in determine 2-13. determine 2-13 10. You’ve now fi nished your fi rst “real” Android program. try out including breakpoints to the code to check the debugger and test with the DDMS standpoint. because it stands, this to-do record program isn’t spectacularly necessary. It doesn’t store to-do record goods among periods, you can’t edit or eliminate an merchandise from the record, and regular job checklist goods like due dates and activity precedence aren’t recorded or displayed. On stability, it fails many of the standards laid out to this point for a very good cellular program layout. You’ll rectify a few of these defi ciencies in the event you go back to this instance in later chapters. forty-one 44712c02. indd forty-one 10/20/08 4:12:14 PM bankruptcy 2: Getting began Android improvement instruments The Android SDK comprises a number of instruments and utilities that will help you create, try, and debug your initiatives. an in depth exam of every developer software is open air the scope of this e-book, yet it’s worthy briefl y reviewing what’s to be had. For extra aspect than is incorporated the following, try out the Android documentation at: http://code. google. com/android/intro/tools. html As pointed out prior, the ADT plug-in comfortably contains almost all these instruments into the Eclipse IDE, the place you could entry them from the DDMS point of view, together with: ❑ The Android Emulator An implementation of the Android digital desktop designed to run in your improvement laptop. you should use the emulator to check and debug your android purposes. ❑ Dalvik Debug tracking carrier (DDMS) Use the DDMS viewpoint to observe and regulate the Dalvik digital machines on which you’re debugging your purposes. ❑ Android Asset Packaging device (AAPT) Constructs the distributable Android package deal fi les (. apk). ❑ Android Debug Bridge (ADB) The ADB is a client-server program that offers a hyperlink to a operating emulator. It helps you to replica fi les, set up compiled program programs (. apk), and run shell instructions. the subsequent extra instruments also are on hand: ❑ SQLite3 A database software so that you can use to entry the SQLite database fi les created and utilized by Android ❑ Traceview Graphical research software for viewing the hint logs out of your Android program ❑ MkSDCard Creates an SDCard disk photograph that may be utilized by the emulator to simulate an exterior garage card. ❑ dx Converts Java . category bytecode into Android . dex bytecode. ❑ activityCreator Script that builds Ant construct fi les for you to then use to collect your Android purposes with no the ADT plug-in Let’s have a look at a few of the extra very important instruments in additional aspect. The Android Emulator The emulator is the appropriate instrument for trying out and debugging your functions, really if you happen to don’t have a true machine (or don’t are looking to threat it) for experimentation. The emulator is an implementation of the Dalvik digital desktop, making it as legitimate a platform for operating Android purposes as any Android cellphone.

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