Android best practices by Godfrey Nolan

By Godfrey Nolan

Android top Practices through Godfrey Nolan indicates you ways to make your Android apps stick out from the group with nice reports. Why accept simply making any Android app? construct a super Android app in its place that we could your clients compliment it for ease of use, larger functionality, and extra. utilizing a chain of instance apps which steadily evolve all through this ebook, Android most sensible 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 group with nice reports. 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, higher functionality, and extra. utilizing a sequence of instance apps which progressively evolve all through this ebook, Android most sensible Practices brings jointly present Android most sensible practices from consumer 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 following point. during this e-book you will how one can: - Use Android layout styles for constant UI adventure 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 comparable to MVC/MVP - Create and eat leisure and cleaning soap internet companies Designing and constructing an app that runs good on many if now not the entire best Android smartphones and pills at the present time should be probably the most daunting demanding situations for Android builders. good, this publication takes a lot of the secret out of that for you. After examining and utilizing Android top Practices, you will turn into a far better Android app clothier and developer, which in flip could make your apps greater put and extra winning out there position

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Remove any duplicate calls, which are not as uncommon as they might seem.  Similar to database SELECT * FROM TABLE statements, careful choice of query parameters can dramatically limit the amount of data returned via the Web service.  Avoid maintaining state across calls; the most scalable of Web services maintain no state.  Gzip the data. com/) are an excellent way to see how your app is interacting with Web services. The topic of Web services is covered in more detail in Chapter 8. Optimized Code In the next few pages you’re going to see how some of these optimizations are used in the ToDo List application.

Mobile development is relatively simple right now; we don’t have the layers and layers of complexity that always appear as a technology matures, such EJBs. 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?

TaskListManager { /*The ViewModel 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. */ private TodoModel db_model; private List tasks; private Context main_activity; private ListView taskView; private EditText newTask; public TodoViewModel(Context app_context) { tasks = new ArrayList(); main_activity = app_context; db_model = new TodoModel(app_context); } //Overrides to handle View specifics and keep Model straightforward.

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