John Anderson's Appcelerator Titanium: Up and Running: Building Native iOS PDF

By John Anderson

ISBN-10: 1449329551

ISBN-13: 9781449329556

Construct local apps for iOS, Android, and Blackberry from a unmarried JavaScript codebase with Appcelerator Titanium. This advisor will get you fast in control in this awesome framework and exhibits you the way to generate cross-platform apps with a hundred% local controls. you are going to additionally examine some great benefits of utilizing Titanium for those who are looking to create an app for only one local platform, instead of fight with Java or Objective-C. fast paced and entire of examples, this e-book is helping you construct your first undertaking with Titanium Studio, after which takes you thru the stairs essential to construct complicated data-bound apps.

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Extra resources for Appcelerator Titanium: Up and Running: Building Native iOS and Android Apps Using JavaScript

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We’ve seen how it’s fairly easy to create and manipulate Titanium objects in the context of JavaScript, and we’ve seen the role that JSON plays in your Titanium apps. The Files in Your First Project OK, now that we’ve got our first app up and running, let’s take a look at some of the files that are created in your project. The first thing to make note of is how your “app” is constructed in JavaScript and which of the basic files are created by default when you start your first project. Go into Titanium Studio and select New Project to bring up a dialog box that has some selections to indicate what type of project you’re going to make.

I made a form, dropped a button on it, and ran it. I clicked it, and nada; nothing happened at all. After thumbing around in the manual (no Internet back then) I found out that I needed to hook a function to the “click” event. I did that, and my event-driven program (no apps yet either) was coming to life. Events are at the core of Titanium, as they are in many event-driven languages and systems. When invoking an event listener, Titanium al‐ most always passes in an event object as a JSON document that gives you information about the event, what object fired it, etc.

Info Switch A switch allows a user to express a Boolean condition: on or off, 1 or 0. Progress Progress bars keep the user informed of time to completion during a longer than normal operation, such as downloading a file. It’s useful when there is no other visual indication of what’s going on, or how much longer an operation is going to take. Image View An image view is a handy way to display images, either stored locally or on the Internet. If you specify a URL, the Image View control will attempt to load the image at that URL.

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Appcelerator Titanium: Up and Running: Building Native iOS and Android Apps Using JavaScript by John Anderson

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