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

Ensuring that your device can make phone calls

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

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

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 add the following:

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

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