Read e-book online Android Best Practices PDF

By Godfrey Nolan

ISBN-10: 1430258578

ISBN-13: 9781430258575

ISBN-10: 1430258586

ISBN-13: 9781430258582

Android most sensible Practices via Godfrey Nolan indicates you the way to make your Android apps stand proud of the group with nice experiences. 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.

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

In this e-book you’ll learn the way to:

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

• Use agile options corresponding 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 corresponding to MVC/MVP

• Create and devour leisure and cleaning soap net services

Designing and constructing an app that runs good on many if now not the entire major Android smartphones and capsules at the present time should be the most daunting demanding situations for Android builders. good, this e-book takes a lot of the secret out of that for you.

After analyzing and utilizing Android top Practices, you are going to develop into a higher Android app fashion designer and developer, which in flip could make your apps greater positioned and extra profitable out there place.

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Additional info for Android Best Practices

Sample text

This interface between the two layers provides a framework for the code to expand and for new developers to follow the MVC pattern to know what new code belongs where. Listing 2-12. MVC Controller code public class TodoController { /*The Controller provides data from the Model for the View *to bind to the UI. addEntry(data); } //Overrides to handle View specifics and keep Model straightforward. close(); } return tasks; } } 29 30 CHAPTER 2: Android Patterns MVVM The MVVM (Model-View-ViewModel) pattern comes from the Microsoft world.

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. Listing 2-13. Log; final class TodoModel { //The Model should contain no logic specific to the view - only //logic necessary to provide a minimal API to the ViewModel.

Often you want to test the app and not the database. 36 CHAPTER 2: Android Patterns There are four pieces in this example that we need to wire together. java contains the injection map that tells the app whether to use the ToDoProvider stub file or the ToDoProvider2 file that connects to the database. java contains a currentChoice Boolean flag that tells the app whether to use the stub or the real connection. The ToDoModule Listing 2-16 shows how the ToDoModule wires in the two database providers; the first is the real database and the second is a stub function.

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Android Best Practices by Godfrey Nolan

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