Android Best Practices - download pdf or read online

By Godfrey Nolan

ISBN-10: 1430258578

ISBN-13: 9781430258575

ISBN-10: 1430258586

ISBN-13: 9781430258582

Android top Practices by way of Godfrey Nolan exhibits you the way to make your Android apps stick out from the gang with nice experiences. Why accept simply making any Android app? construct a super Android app as a substitute that shall we your clients compliment it for ease of use, larger functionality, and extra.

Using a chain of instance apps which progressively evolve all through this book, Android top Practices brings jointly present Android top practices from consumer interface (UI)/user adventure (UX) layout, test-driven improvement (TDD), and layout styles (e.g., MVC) that will help you take your app to the subsequent level.

In this ebook you’ll find out how to:

• Use Android layout styles for constant UI event on many devices

• Use agile options comparable to test-driven improvement, behavior-driven improvement, and non-stop integration

• enhance the rate and performance of your app

• arrange an Android app utilizing layout styles akin to MVC/MVP

• Create and eat leisure and cleaning soap internet services

Designing and constructing an app that runs good on many if no longer the entire best Android smartphones and capsules this present day may be some of the most daunting demanding situations for Android builders. good, this booklet takes a lot of the secret out of that for you.

After studying and utilizing Android most sensible Practices, you will develop into a stronger Android app fashion designer and developer, which in flip could make your apps higher put and extra profitable out there place.

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Extra resources for Android Best Practices

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Don’t synchronize code unless synchronization is required.  Close all resources, such as connections and session objects, when finished.  Classes and methods that aren’t going to be redefined should be declared as final.  Accessing arrays is much faster than accessing vectors, Strings, and StringBuffers. ” And while it’s less of an issue on Android, where SQLite is used more for client-side caching of information, there is no reason why EXPLAIN PLAN cannot still be very useful in your performance tuning.

Listing 3-1. onCreate(); } Optimize the onSomething( ) classes. Earlier we talked about perception being reality for web applications; in the Android world, if your onStart(), onCreate(), and onResume() classes are lightning fast, then the application is going to be perceived to be a faster Android app. So if there is any code that you can put elsewhere or optimizations that you might want to apply, then spending time in these classes will bring rewards. Wait as long as you can to inflate any views.

1. In the Devices tab, select the process for which you want to view the heap. 2. Click the Update Heap button to enable heap information for the process. 3. Click Cause GC in the Heap tab to invoke garbage collection, which enables the collection of heap data. 4. When garbage collection completes, you will see a group of object types and the memory that has been allocated for each type. 58 CHAPTER 3: Performance 5. Click an object type in the list to see a bar graph that shows the number of objects allocated for a particular memory size in bytes.

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Android Best Practices by Godfrey Nolan

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