Web accessible APIs provide a wealth of resources for extending the functionality of your iPhone apps. These APIs tend to be consumed in two primary data...

This Quick Tip will show you how to programmatically launch in to the Google Maps application. You will learn to load Maps with a precise position, a...

This tutorial picks up where our Introduction to Cross-Platform Development With Appcelerator tutorial left off. You will refactor the original tutorial...

Core Data is a framework Apple provides to developers that is described as a "schema-driven object graph management and persistence framework." What does...

Gavin Bowman is an experienced programmer from England who now resides in the United States. He is the co-founder of game development company Retro Dreamer....

This Android Quick Tip will show you how to allow your end-users to optionally save valuable device storage space by choosing to store your application on...

This tutorial will introduce you to the Appcelerator development process. You will learn the fundamentals of touch-interaction and UI positioning while...

We've all seen the story on Gizmodo, TechCrunch or some other blog: developer creates iPhone app, makes $300,000 in six weeks, and quits his day job. These...

The iPhone Maps application is a revolutionary program that combines the power of GPS and Google Maps with an incredibly user-friendly interface. This...

At the heart of every location-based application is positioning and geolocation. In this tutorial you will learn the geolocation capabilities of HTML5 and...

In this tutorial, you will learn how to use Eclipse to create an Android JUnit Test Project, create automated unit tests and run them under a variety of...

This iPhone SDK tutorial is the first in a multipart series on selling products and services "in-app" with the Store Kit framework. Expect to learn the...