By Rohit Ghatol

PhoneGap is a growing to be and major open-source cellular internet apps improvement framework that shall we builders construct JavaScript and HTML5-based net purposes with local wrappers for greater than six cellular structures, together with iOS, Android, and BlackBerry. This framework allows you to construct HTML- and JavaScript-based apps and nonetheless benefit from local cellular equipment services like digital camera, localStorage, geolocation, garage and lots more and plenty extra, regardless of the cellular platform you goal. It additionally enables you to use extra really good JavaScript frameworks like jQuery cellular and extra. starting PhoneGap is a definitive, one of a kind ebook that teaches the basics and techniques in the back of cross-platform cellular program improvement. rather than studying languages like Objective-C, specialize in construction apps from day one for Android, iOS, Blackberry, WebOS and Symbian - with no the complexities of those systems.

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Additional info for Beginning PhoneGap: Mobile Web Framework for JavaScript and HTML5

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How do you know if something actually happened? html page to load it in the preview pane, and then perform a very small edit. On line 34 of the HTML fi le, you’ll notice a function named onDeviceReady(). This function runs when the deviceready PhoneGap event returns true. ”); } Save your work and click the “Build and Run” button again. After a few seconds, you’ll see the Simulator load your app and then, a second later, you’ll see an alert box pop up, as shown in Figure 3-3. indd 33 10/31/11 10:55:47 AM 34 ❘ CHAPTER 3 BASIC WALKTHROUGH There is an important thing to note here.

Getting to Know the Origins of PhoneGap The fi rst PhoneGap code was authored at the San Francisco iPhoneDevCamp in August 2008. A contributing driver for its creation was a simple fact that almost every single newbie iPhone developer runs into: Objective-C can be a very unfamiliar environment for web developers, and there are lots more web developers out there than there are Objective-C ones. The question was, could someone develop a framework that allowed web developers to leverage all their knowledge of HTML, CSS, and JavaScript that could also interact with the important native parts of an iPhone, such as the camera and compass?

For example, you might have a group of people who all share the same physical address. Cloning the original contact would allow you to work through the list of property changes very quickly. The remove() method works as expected — use it to remove a contact from the device’s contacts database. From this basic list of methods and functions, you could easily incorporate various views that allow users to search through their contacts, create new contacts, make changes to existing contacts, or even delete contacts.

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