In this article we will talk about some of the pitfalls you need to avoid when trying to play an MP3/WAV file in you Android application.

When you start developing applications for the Android platform you will most likely only make calls to launch "Activities" contained within your own application. In this article we will take a look at how we can use the concept of "Intents" to launch "Activities" contained in other applications.

A Windows Phone 7 device will not let your application silently dial a number but you can initiate the process of making a phone call from your application and have the user confirm that the call should be made. Let us take a look at how you can dial a phone number via code.

We have seen many applications that run on the PC/MAC that consist of a suite of products, for example, Corel, MS Office etc, that provide you with an "Application Launcher" type screen, from which you can launch other applications in the suite of products provided. In this article we will take a brief look at how you can accomplish a similar effect in your BlackBerry application.

In this article we will explore what it takes to play an MP3/WAV file in a BlackBerry application. We will be showing you how to do this using the BlackBerry Java Development Environment (JDE) provided by Research In Motion. It will be a simple application that will contain one button, that when pressed will play an MP3/WAV file.

Creating applications to run on your Windows Phone 7 have never been easier. Using Microsoft Visual Studio 2010, you can create a broad range of applications and games and test them using the provided emulator. This article will show you how to create a very simple application and in so doing introduce you to some of the powerful features you now have at your fingertips.

In this article we will take a look at one of the new project templates bundled with Microsoft Visual Studio 2010 called a “Windows Phone Pivot Application”. This template allows you to define a maximum of seven (7) screens, similar to tabs, in your Windows Phone application.

Social Media are primarily Internet- and mobile-based tools for sharing and discussing information. They include: Blogs, Microblogging (twitter), Social Networking, Wikis, Social Bookmarking or tagging, CMS, Document Management and Editing tools (Google Docs), Podcasts, Video and audio sharing and Forums.

Many times you may be creating an application for Windows Phone 7 and you would like to create some oddly shaped buttons that do not conform to the standard square/rectangular shape. In this article we will take a look at how you can do this using Microsoft Expression Blend 4.0.

In this article we will guide you through the process of create a simple HelloWorld application using Research In Motion’s Java Development Environment (JDE). In a subsequent article we will take a look at how you can create the same application using the Eclipse development environment instead.