By Godfrey Nolan

ISBN-10: 1430258578

ISBN-13: 9781430258575

ISBN-10: 1430258586

ISBN-13: 9781430258582

Android most sensible Practices via Godfrey Nolan exhibits you ways to make your Android apps stick out from the gang with nice stories. Why accept simply making any Android app? construct an excellent Android app in its place that shall we your clients compliment it for ease of use, larger functionality, and extra. utilizing a sequence of instance apps which progressively evolve all through this ebook, Android most sensible Practices brings jointly present Android Read more...

summary: Android most sensible Practices through Godfrey Nolan indicates you the way to make your Android apps stand proud of the group with nice reports. Why accept simply making any Android app? construct a super Android app as an alternative that shall we your clients compliment it for ease of use, higher functionality, and extra. utilizing a sequence of instance apps which steadily evolve all through this booklet, Android most sensible Practices brings jointly present Android top practices from person interface (UI)/user adventure (UX) layout, test-driven improvement (TDD), and layout styles (e.g., MVC) that can assist you take your app to the following point. during this publication you will how you can: - Use Android layout styles for constant UI event on many units - Use agile suggestions akin to test-driven improvement, behavior-driven improvement, and non-stop integration - increase the rate and performance of your app - set up an Android app utilizing layout styles resembling MVC/MVP - Create and eat relaxation and cleaning soap internet companies Designing and constructing an app that runs good on many if no longer the entire best Android smartphones and pills this day might be probably the most daunting demanding situations for Android builders. good, this booklet takes a lot of the secret out of that for you. After examining and utilizing Android top Practices, you are going to develop into a far better Android app dressmaker and developer, which in flip could make your apps greater put and extra winning out there position

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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. The Model Shown in Listing 2-13, the Model largely stays the same in MVVM as it was in the MVC version.

Figure 3-3. InsertHelper command for inserting large amounts of data or use compileStatement where appropriate. Don’t store the database on the SD Card. Finally, don’t return the entire table of data in a SELECT statement; always return the minimum of rows using carefully crafted SQL statements. ” 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.

But it is inevitable that this is going to happen sooner or later on Android. 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.

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Android best practices by Godfrey Nolan

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