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

Ensuring your device can make phone calls


With all of the technical wizardry and touch-screen goodness that are now packed into modern day smartphones, it's easy to forget that their primary function is still that of a telephone which is capable of making and receiving voice calls. However, there may be times when the user's device is not capable of performing a call for whatever reason (poor network service, lack of call functionality that is iPod touch user, and so on).

In this recipe, we will attempt to make a phone call by first checking on the device's capabilities and throwing an error message when this is not possible.

Note

The complete source code for this recipe can be found in the /Chapter 11/Recipe 5 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'
});

//create the textfield number entry to dial
var txtNumber = Titanium.UI.createTextField...