Book Image

Appcelerator Titanium Smartphone App Development Cookbook

By : Boydlee Pollentine, Jason Kneen, Jason Kneen
Book Image

Appcelerator Titanium Smartphone App Development Cookbook

By: Boydlee Pollentine, Jason Kneen, Jason Kneen

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
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Posting a check-in to FourSquare


Now that we have created the basic module in order to authenticate against FourSquare, we are going to extend it to let the user check-in to a particular location. This works by sending the details of your current place (such as a bar, cinema, park, or museum) along with its latitude and longitude values to the FourSquare servers. From here on, you can tell which of your friends are nearby or make your location and activities public for everyone to see.

How to do it…

Open your fsq_module.js file and extend the existing module so that it has the extra method given here:

FOURSQModule.callMethod = function(method, GETorPOST, params, success, error) {
        //get the login information
        try {

            if (FOURSQModule.xhr == null) {
                FOURSQModule.xhr = Ti.Network.createHTTPClient();
            }
            

            FOURSQModule.xhr.open(GETorPOST, FOURSQModule.API_URL + method + "?oauth_token=" + FOURSQModule.ACCESS_TOKEN);

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