Book Image

Appcelerator Titanium Smartphone App Development Cookbook Second Edition

Book Image

Appcelerator Titanium Smartphone App Development Cookbook Second Edition

Overview of this book

This book will take you through the process of building cross-platform, native UI applications for the mobile from scratch. You will learn how to develop apps, how to use GPS, cameras and photos and how to build socially connected apps. You will also learn how to package them for submission to the App Store and Google Play. This cookbook takes a pragmatic approach to creating applications in JavaScript from putting together basic UIs, to handling events and implementation of third party services such as Twitter, Facebook and Push notifications. The book shows you how to integrate datasources and server APIs, and how to use local databases. The topics covered will guide you to use Appcelerator Studio tools for all the mobile features such as Geolocation, Accelerometer, animation and more. You’ll also learn about Alloy, the Appcelerator MVC framework for rapid app development, and how to transfer data between applications using URLSchemes, enabling other developers to access and launch specific parts of your app. Finally, you will learn how to register developer accounts and publish your very own applications on the App Store and Google Play.
Table of Contents (21 chapters)
Appcelerator Titanium Smartphone App Development Cookbook Second Edition
About the Author
About the Reviewers

Understanding device orientation modes

One of the great benefits for 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 rearrange some UI components on our screen accordingly.

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 the following:

// create root window
var win1 = Ti.UI.createWindow({  
    title:'Tab 1',

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

var view1 = Ti...