By John Anderson

Construct local apps for iOS, Android, and Blackberry from a unmarried JavaScript codebase with Appcelerator Titanium. This consultant will get you quick up to the mark in this notable framework and indicates you ways to generate cross-platform apps with a hundred% local controls. you are going to additionally study some great benefits of utilizing Titanium in case you 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 venture 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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The picker control, on the other hand, can handle many more items since you can scroll through the list, whereas an Option Dialog is limited to the amount of space on the slide up panel.

Android, in its turn, is good at copying what Apple comes up with. Picker Control The picker control (Figure 5-3) is best known for its debut as a date picker in iPhones. It was an easy-to-use, even entertaining way to pick dates with a single finger. It was innovative, clever, and just plain fun. This is a good example of having the exact same JavaScript code render a useful control on both platforms, making the most of each platform it runs on. iOS users will be able to enjoy the deep, rich experience that they have been used to.

Custom events are just like a built-in event on the listener side. You set up a listener as you would for any other event. The difference is that you also need to fire the event yourself, whereas built-in events are fired automatically. The point of having a custom event is when you want to broadcast some information to listeners that may have subscribed to this event. It is a bit like calling a subroutine, except you don’t need to know anything about the routine being called, other than the parameters passed into the routine.

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