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PhoneGap Beginners Guide (third edition)

PhoneGap Beginners Guide (third edition)

By : Ramanujam, Giorgio Natili
3.7 (6)
Buy this Book
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PhoneGap Beginners Guide (third edition)

PhoneGap Beginners Guide (third edition)

3.7 (6)
By: Ramanujam, Giorgio Natili
Buy this Book

Overview of this book

This book is for web developers who want to be productive in the mobile market quickly. In fact, by using PhoneGap, it's possible to deploy native applications based on web standards. This book assumes a very small knowledge of HTML/CSS/JavaScript and mobile platforms, such as Android, BlackBerry, iOS, and Windows Phone, and takes the reader step-by-step into a deep overview of PhoneGap and its APIs.
Table of Contents (16 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Sections
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Time for action – heading
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Conventions
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Reader feedback
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Customer support
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1
1. Introduction to PhoneGap
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1. Introduction to PhoneGap
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About PhoneGap
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PhoneGap and Apache Cordova
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Choosing an operating system for development
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Mobile web versus mobile app
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Installing dependencies
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Installing PhoneGap
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Setting up your development environment
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Time for action – setting up Android using PhoneGap 3.x
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Getting started with Android and JBoss
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Time for action – using JBoss Developer Studio
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Getting started with iOS and Xcode
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Getting started with Windows Phone and Visual Studio
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Summary
2
2. Building Your First PhoneGap Project
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2. Building Your First PhoneGap Project
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The structure of a PhoneGap application
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Using the PhoneGap CLI
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Cordova events
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Time for action – the Hello World example
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WebKit debugging – Chrome, Safari, and Opera
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Gecko debugging – Firefox
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Internet Explorer
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Debugging workflow
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Building and deployment
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Summary
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3. Mobile Frameworks
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3. Mobile Frameworks
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Building native UI for the mobile
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Achieving a native look and feel on iOS
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Choosing mobile frameworks
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Time for action – developing with jQuery Mobile
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Selecting a framework
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Summary
4
4. Working with Plugins
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4. Working with Plugins
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An introduction to plugins
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Exploring the Device API
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Time for action – accessing the Device API
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Custom plugins
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Summary
5
5. Using Device Storage and the Files API
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5. Using Device Storage and the Files API
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Application data storage
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Time for action – reading and writing data on the LocalStorage
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Time for action – populating a local database
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Database limitations
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Understanding the Files API
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Time for action – listing folders
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Time for action – reading and rendering an image
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Time for action – downloading and saving a file
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Summary
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6. Using the Contacts and Camera APIs
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6. Using the Contacts and Camera APIs
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The Contacts API
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Time for action – searching device contacts
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Time for action – adding a new contact
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Camera API or Capture API?
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Accessing the camera using the Camera API
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Time for action – accessing the device camera
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Time for action – controlling the position of the camera roll
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The Media Capture API
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Time for action – manipulating images with a canvas
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Summary
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7. Accessing the Device Sensors and Locations API
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7. Accessing the Device Sensors and Locations API
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Introducing device sensors
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Accelerometer
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Time for action – handling device orientation with JavaScript
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Compass
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Time for action – using the Compass API
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An introduction to geolocation
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The PhoneGap Geolocation API
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Time for action – showing device position with Google Maps
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Summary
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8. Advanced PhoneGap
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8. Advanced PhoneGap
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Using the Globalization API
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Localizing your app
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Time for action – rendering localized messages
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Adding multitouch gesture support
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Time for action – implementing gesture support
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Handling click delays
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Summary
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9. Getting Ready for Release
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9. Getting Ready for Release
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Exploring JavaScript compression
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Time for action – compressing files using the Closure Compiler
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Time for action – using UglifyJS
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Time for action – optimizing JavaScript with RequireJS
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Comparing compression tools
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Using template engine compression
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Time for action – compiling a template using Pistachio
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Creating fluid, multiple app views
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Using hardware-accelerated transitions
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Porting web applications
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Summary
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10. A Sample PhoneGap Project
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10. A Sample PhoneGap Project
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What's in the app?
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Creating the project
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Scope for improvements
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Summary
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A. The JavaScript Quick Cheat Sheet
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A. The JavaScript Quick Cheat Sheet
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The getElementById() method
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The getElementsByTagName() method
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The getElementsByName() method
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The alert method
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The toString() method
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The parseInt() method
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The getDate() method
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The onclick event
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The ondblclick event
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The window.location object
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Selectors using jQuery
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B. Publishing Your App
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B. Publishing Your App
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Publishing on Google Play
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Publishing on Blackberry World
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Publishing on the Apple App Store
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Publishing on the Windows Phone Store
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Summary
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C. Related Plugin Resources
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C. Related Plugin Resources
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Summary
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D. PhoneGap Tools
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The PhoneGap Developer App
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The PhoneGap Desktop App
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Summary
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Index
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Index

Localizing your app

From a development perspective, the common practice is to place the text in resource strings that are loaded at the execution time depending on the user settings. There are several techniques you can use to globalize your app such as storing the translations in portable object (PO) files, creating a JSON object containing all of them, or loading the localization files dynamically when the app starts. The goal is to deploy an app that is able to select the relevant language resource file at runtime and to handle culture-aware number and date parsing and formatting, plurals, currencies, special characters, validation, and so on.

In the following example, we will learn how to load different language strings in the application using a simple JavaScript library.

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Tech Concepts
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Programming languages
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PhoneGap Beginners Guide (third edition)
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