Download Android Wireless Application Development, Volume 2: Advanced by Shane Conder, Lauren Darcey PDF

By Shane Conder, Lauren Darcey

Android instant software improvement has earned a name because the most valuable real-world consultant to construction strong, commercial-grade Android apps. Now, authors Lauren Darcey and Shane Conder have systematically revised and up to date this consultant for the newest Android SDK and instruments updates. to house their huge new assurance, they’ve break up the publication into leaner, purifier volumes. This quantity II makes a speciality of complex concepts for the total app improvement cycle, together with layout, coding, trying out, debugging, and distribution. Darcey and Conder conceal scorching issues starting from capsule improvement to holding opposed to piracy and exhibit complex innovations for every little thing from facts integration and UI improvement to in-app billing.

Every bankruptcy has been completely up to date to mirror the newest SDKs, instruments, and units. The pattern code has been thoroughly overhauled and is on the market for obtain on a better half web site. Drawing on a long time of in-the-trenches adventure as specialist cellular builders, the authors additionally offer much more suggestions and top practices for hugely effective improvement. This re-creation covers
* complicated app layout with async processing, providers, SQLite databases, content material prone, intents, and notifications
* subtle UI improvement, together with enter accumulating through gestures and voice recognition
* constructing obtainable and internationalized cellular apps
* Maximizing built-in seek, cloud-based companies, and different specific Android features
* Leveraging Android 4.0 APIs for networking, internet, situation prone, the digital camera, telephony, and sensors
* development richer apps with 2D/3D pictures (OpenGL ES and RenderScript), animation, and the Android NDK
* monitoring app utilization styles with Google Analytics
* Streamlining checking out with the Android Debug Bridge

This ebook is an critical source for each intermediate- to advanced-level Java developer now engaging in Android improvement and for each professional cellular developer who desires to take complete good thing about the latest Android platform and hardware.

Also search for: Android instant program improvement, quantity I: Android necessities (ISBN: 9780321813831)

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Read Online or Download Android Wireless Application Development, Volume 2: Advanced Topics (3rd Edition) (Developer's Library) PDF

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Additional info for Android Wireless Application Development, Volume 2: Advanced Topics (3rd Edition) (Developer's Library)

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OnDestroy(); } } You need to understand the lifecycle of a service because it’s different from that of an activity. startService() method, the onCreate() method is called just before the onStart() or onStartCommand() methods. We talk more about binding to a service later in this chapter. Finally, when the service is finished—that is, it is stopped and no other process is bound to it—the 19 20 Chapter 2 Working with Services onDestroy() method is called. Everything for the service must be cleaned up in this method.

Again, we count to 100 using the post() method to update the TextView with our progress in a thread-safe manner. To use a Loader, take the following steps: 1. Use your Activity or Fragment class’s LoaderManager to initialize a Loader. 2. LoaderCallbacks. 3. The onCreateLoader() method is used to return a new Loader instance, typically a CursorLoader that queries a content provider that the Activity or Fragment wants to display data from. 4. Typically, your screen contains some sort of control, such as a ListView, that leverages the CursorAdapter associated with the CursorLoader, so you want to swap the old and new Cursor objects in the adapter at this time.

ContentValues; ... We use this author identifier to create book records for this author. Storing Structured Data Using SQLite Databases Tip There is also another helpful method called insertOrThrow(), which does the same thing as the insert() method but throws a SQLException on failure, which can be helpful, especially if your inserts do not seem to be working and you’d like to know why. Generally, you’ll want to check values before inserting and not rely on exceptions for common constraints. You might want to create simple classes (that is, class Author and class Book) to encapsulate your application record data when it is used programmatically.

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