Android best practices - download pdf or read online

By Godfrey Nolan

ISBN-10: 1430258578

ISBN-13: 9781430258575

ISBN-10: 1430258586

ISBN-13: 9781430258582

Android most sensible Practices by means of Godfrey Nolan indicates you the way to make your Android apps stick out from the gang with nice studies. Why accept simply making any Android app? construct an excellent Android app as a substitute that we could your clients compliment it for ease of use, greater functionality, and extra. utilizing a sequence of instance apps which progressively evolve all through this ebook, Android top Practices brings jointly present Android Read more...

summary: Android top Practices through Godfrey Nolan exhibits you ways to make your Android apps stick out from the gang with nice reports. Why accept simply making any Android app? construct a super Android app as a substitute that we could your clients compliment it for ease of use, larger functionality, and extra. utilizing a sequence of instance apps which progressively evolve all through this e-book, Android most sensible Practices brings jointly present Android top practices from person interface (UI)/user event (UX) layout, test-driven improvement (TDD), and layout styles (e.g., MVC) that will help you take your app to the subsequent point. during this ebook you will the best way to: - Use Android layout styles for constant UI event on many units - Use agile innovations similar 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 reminiscent of MVC/MVP - Create and devour leisure and cleaning soap net prone Designing and constructing an app that runs good on many if now not the entire major Android smartphones and drugs this present day will be essentially the most daunting demanding situations for Android builders. good, this publication takes a lot of the secret out of that for you. After studying and utilizing Android top Practices, you are going to turn into a higher Android app dressmaker and developer, which in flip could make your apps larger positioned and extra profitable available in the market position

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People are already putting ORMs into their Android apps, so try to move to more of a TDD (test-driven development) model, and think about what you’re introducing. Do you really need to reinvent some caching mechanism to satisfy the feature you’re implementing, or not? If you are still worried, then apply the YAGNI concept— You Aren’t Going to Need It, because you really don’t need it. Avoid internal getters/setters. Virtual method calls are expensive, more so than instance field lookups. It’s reasonable to follow common object-oriented programming practices and have getters and setters in the public interface, but within a class you should always access fields directly.

All event logic and delegation is handled by the ViewModel, and the View handles UI setup only. In our example the Model component largely stays the same, as you can see in Listing 2-13. The ViewModel, shown in Listing 2-15 acts as a delegate between the ToDoActivity (View) and the ToDoProvider (Model). The ViewModel receives references from the View and uses them to update the UI. The ViewModel handles rendering and changes to the view’s data and the View, shown in Listing 2-14, simply provides a reference to its elements.

We’re right back to the web site optimization techniques I mentioned earlier. Use the server logs, as shown in Figure 3-2 earlier, to see how long each call is taking and optimize the slowest, most-used Web services. Some common optimizations for Web services are as follows:  Minimize the size of the Web service envelopes; choose REST over SOAP and JSON over XML where possible.  Reduce the number of round trips, steer clear of chatty Web service calls, and keep the number of Web service transactions to a minimum.

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Android best practices by Godfrey Nolan

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