The example code below provides a quick look at how to register an event handler for a TransformGestureEvent.TRANSFORM_ZOOM.Line 11 adds the event listener to the BorderContainer (line 41).  The Transform event is passed to the onZoom function on line 14… Read More

Twice a month, we revisit some of our readers’ favorite posts from throughout the history of Activetuts+. This tutorial was first published in October, 2009 (and led to my inviting Michael to be Activetuts+ Tech Editor!)… This is a really Read More

It’s always a challenge to develop a chat on the web. You need a real-time message broker in the backend, an architecture that can assume several thousands of concurrent users, a strong authentification layer, etc… Furthermore, if you want to… Read More

I often get ideas for things to build but don’t have the time to actually see them through. Recently I came across an API for accessing the Android Marketplace that was written in Java. Google has no official API for… Read More

On a project I’m working on, I need to have semi-transparent containers to hold controls over top of screen-filling bright and colorful background. While I’m not 100% satisfied with it, I think it will suffice for the time being. I… Read More

In a previous example, “Setting the border style on the MX Accordion container in Flex”, we saw how you could set the border style on an MX Accordion container in Flex 3 by setting the borderStyle style. The following example… Read More

The following example shows how you can set the border style on an MX Accordion container in Flex 3 by setting the borderStyle style. <?xml version="1.0"?> <!-- http://blog.flexexamples.com/2010/06/17/setting-the-border-style-on-the-mx-accordion-container-in-flex/ --> <mx:Application name="Accordion_borderStyle_test" xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" backgroundColor="white">   [...]… Read More

There are many sites where you can choose your profile image by taking a picture with your webcam, instead of uploading one. This tutorial will teach you how to take a picture and do whatever you want with it, using… Read More

So it’s about time I punted out some layouts that I have hanging around, most of which are all based upon NavigatorLayoutBase. NavigatorLayoutBase can be considered a base layout class for use with our navigators (NavigatorGroup, Navigator, DataNavigatorGroup, DataNavigator, BorderDataNavigator),… Read More

In this tutorial we will be mocking up and finishing a pan and throw class that will allow us to add this effect to any element we want. To accomplish this, we will create a image viewer – but not… Read More

A few days ago someone in the Flex 4 prerelease forums posted an interesting question: how do you create a rounded clip area for a spark container? Not knowing the answer off the top of my head, I thought this… Read More

The following example shows how you can set the corner radius on a Spark BitmapImage control in Flex 4 by creating a mask with a corner radius (in this case a Spark BorderContainer container with the cornerRadius style set). <?xml… Read More

In this tutorial I will introduce to you the Stardust Particle Engine. First I’m going to show you how to set up Stardust, and then I’ll cover the basic Stardust class responsibilities and how they collaborate together to make Stardust… Read More

A chart is a visual representation of data. The data can be represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart. A chart can represent tabular numeric data,… Read More