Download Android Best Practices by Godfrey Nolan PDF

By Godfrey Nolan

Android top Practices through Godfrey Nolan exhibits you the way to make your Android apps stand proud of the group with nice reports. 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, higher functionality, and extra.

Using a chain of instance apps which steadily evolve all through this book, Android top Practices brings jointly present Android most sensible 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 following level.

In this e-book you’ll find out how to:

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

• Use agile innovations akin to test-driven improvement, behavior-driven improvement, and non-stop integration

• increase the rate and performance of your app

• arrange an Android app utilizing layout styles resembling MVC/MVP

• Create and devour leisure and cleaning soap net services

Designing and constructing an app that runs good on many if now not all of the prime Android smartphones and drugs this day will be some of 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 are going to develop into a better Android app dressmaker and developer, which in flip could make your apps higher positioned and extra winning out there place.

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Additional resources for Android Best Practices

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Listing 3-4. TABLE_NAME, "title='" + title + "'", null); } // TIP: Don't return the entire table of data. close(); } return tasks; } } Tools In this section we’ll look at two types of tools useful in finding performance bottlenecks—tools that come with the Android SDK, and Unix command-line tools. The Android SDK ships with the following tools to help us identify any performance issues:  DDMS  Traceview  Lint  Hierarchy Viewer  Viewer The Dalvik Debug Monitor Server (DDMS) is an Android SDK application that works as either a standalone tool or an Eclipse plugin.

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. And don’t forget you can create indexes on SQLite, too, if you need them (see Figure 3-3). 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.

Use + for concatenating two Strings; use Stringbuffer for concatenating more Strings.  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.

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