Book Image

Android Development Tools for Eclipse

By : Khirulnizam Abd Rahman, Sanjay Shah
Book Image

Android Development Tools for Eclipse

By: Khirulnizam Abd Rahman, Sanjay Shah

Overview of this book

<p>The increase in Android's popularity with every passing day cannot be understated. This has resulted in a large programmer base willing to contribute to its success. Eclipse has a powerful IDE and has been adopted widely by programmers across the globe. The focus of ADT is to use existing familiar territory and ease development of Android applications. In this sense, ADT provides a one stop solution for Android application development.</p><p>Android Development Tools for Eclipse is a step-by-step guide that provides you with hands-on, practical, and to the point discussion and steps for using Eclipse tools for developing, debugging, and signing Android applications for distribution. It also teaches you to incorporate advertisements to monetize your applications. Every concept and its usage has been demonstrated in this book by implementing them via real world applications.</p><p></p><p>Android Development Tools for Eclipse starts with the installation of ADT, and then discusses important tools before guiding you through Android application development from scratch, demonstrating different concepts and implementation before finally helping you distribute your applications in the Android market. You will start the development of your first application, explore project structure, and add different widgets including multimedia ones.</p><p></p><p>You will learn everything about developing, debugging, testing, distributing, and monetizing your Android application using Eclipse ADT.</p>
Table of Contents (10 chapters)
9
Index

Defining the Preference screen

Preferences are an important aspect of the android applications. It allows users to have the choice to modify and personalize it. Preferences can be set two ways: the first method is to create the preferences.xml file in the res/xml directory and the second method is to set the preferences from the code. We will use the former, also the easier one, by creating the preferences.xml file as follows:

Create the xml directory, if it does not exit, and add the preferences.xml file. Every preference needs the following attributes, as shown in the table:

Property

Description

android:key

Used to get the preference value

android:title

To specify the android title

android:summary

Summary about preferences

android:defaultValue

Optional, used to set the default values

Usually, there are five different preference views, as listed in the following table:

Views

Description

CheckBoxPreference

Simple checkbox returns true/false

ListPreference

...