By Phil Dutson

“A needs to learn for all builders that are looking to start severe Android development.”
Justin Anderson, Freelance Android Developer


“From begin to end, this ebook incorporates a number of nice counsel and perception into an important attributes of Android layout. This e-book will certainly be required studying for any of our destiny Android engineers.”
Cameron Banga, Cofounder, 9magnets, LLC


There’s a draw back to Android’s notable openness and flexibility: it’s effortless for builders to jot down code that’s inefficient, unreliable, insecure, or difficult to keep up. In Android improvement Patterns , company Android developer Phil Dutson is helping you leverage Android 5.0+’s remarkable energy with out falling sufferer to these pitfalls. Dutson offers today’s such a lot finished set of styles and systems for development optimized, powerful apps with Android 5.0+.


First, Dutson publications you thru setting up a hugely effective improvement setting and workflow, and trying out your app to make sure that your code works simply as you are expecting. Then, he walks during the smooth top practices for structuring apps, utilizing widgets and parts, and dealing with views.


You find out how to construct apps which are effortless to regulate and replace, convey actual and up to date info with out wasting your battery strength, and benefit from new undefined, corresponding to Android put on and Android television. Dutson concludes via providing robust suggestions for optimizing your apps and packaging them for distribution.


Coverage includes

  • Using trying out to construct extra reliable, liable, maintainable apps
  • Understanding sophisticated yet severe modifications among Android and conventional Java programming
  • Building constant, smooth consumer interfaces with perspectives and layouts
  • Leveraging the confirmed MVC trend to cleanly arrange logic
  • Creating wealthy visible reviews with 3D pictures, animation, and media
  • Simplifying catch and use of position info with the recent destinations API
  • Integrating not obligatory undefined, resembling Bluetooth, NFC, or USB
  • Building greater apps with Google Play Services
  • Creating Android put on notifications and apps
  • Tuning and bettering apps with Google Analytics
  • Designing Android television apps for the “ten foot view”

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Debugging on Android can be broken down into profiling, tracing, and messaging. Profiling When working with an application, it is good to know how much memory is available and how much your application is using. Due to the flexibility that Android brings to the table, many manufacturers have modified the general UI of Android, giving it special effects, new applications, and extended functionality. However, this customization comes with a cost attached. As manufacturers add on special features and “built-in” functionality, they change the amount of system memory available and add or extend many of the built-in functions of the device.

The default is 4 and requires the use of the -r option. -r Sets the size value for a log before it is rotated. -s Filters the log to the silent level. -v Sets the format used for log output. The default is "brief". Other options are "process", "tag", "raw", "time", "threadtime", and "long". LogCat is also integrated into Android Studio as part of the Dalvik Debug Monitor Server (DDMS). It is visible through the Android tool window. If that window is not currently visible inside of Android Studio, you can open it by clicking View, then Tool Windows, and then Android.

Note that when you use the android avd command, the manager launched will be different from the AVD Manager launched from Android Studio. To launch the AVD Manager from Android Studio, you can either click the AVD Manager button or select Tools, Android, AVD Manager. By launching the AVD Manager from Android Studio, you can see what virtual devices are currently available for use. If you have not created a virtual device yet or if a default virtual device is not available, you need to click the Create Virtual Device button to launch the configuration wizard.

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