Book Image

Appcelerator Titanium Smartphone App Development Cookbook

By : Boydlee Pollentine
Book Image

Appcelerator Titanium Smartphone App Development Cookbook

By: Boydlee Pollentine

Overview of this book

<p>Appcelerator Titanium Mobile allows developers to realize their potential to develop full native iPhone and Android applications by using free Titanium Studio tools without the need to know Objective-C or Java. This practical hands-on cookbook shows you exactly how to leverage the Titanium API to its full advantage and become confident in developing mobile applications in no time at all.<br /><br />Appcelerator Titanium Smartphone App Development Cookbook offers a set of practical and clear recipes with a step-by-step approach for building native applications for both the iPhone and Android platforms using your existing knowledge of JavaScript.<br /><br />This cookbook takes a pragmatic approach to using your JavaScript knowledge to create applications for the iPhone and Android platforms, from putting together basic UIs to handling events and implementation of third party services such Twitter, Facebook and Push notifications. This book shows you how to utilize both remote and local datasources using XML, JSON and the SQLite database system. The topics covered will guide you to use popular Titanium Studio tools effectively and help you leverage all the advanced mobile features such as Geolocation, Accelerometer, animation and more. Finally, you’ll learn how to register developer accounts and how to publish your very own apps to the Android and Apple marketplaces.</p>
Table of Contents (18 chapters)
Appcelerator Titanium Smartphone App Development Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface

Understanding device orientation modes


One of the great benefits to users with current smartphones is the ability to hold the device in any way possible and have the screen rotate to suit its orientation. Titanium allows you to fire event handlers based on orientation changes in your application.

In this recipe, we will create an event handler that fires whenever the orientation on the device is changed, and we will re-arrange some UI components on our screen accordingly.

Note

The complete source code for this recipe can be found in the /Chapter 11/Recipe 3 folder.

How to do it…

Open your app.js file, remove any existing code, and type in the following:

//
// create root window
//
var win1 = Titanium.UI.createWindow({  
    title:'Tab 1',
    backgroundColor:'#fff'
});

//set the allowed orientation modes for win1
//in this example, we'll say ALL modes are allowed
win1.orientationModes = [
    Titanium.UI.LANDSCAPE_LEFT,
    Titanium.UI.LANDSCAPE_RIGHT,
    Titanium.UI.PORTRAIT,
    Titanium...