Remote Application Platform

We’re proud to announce that a new RAP release is now available for download. Together with Eclipse Juno, RAP has just published it’s version 1.5.0. RAP 1.5 comes with cool new features such as HTML markup support for widgets … … many extensions and improvements for Tree and Table … … and a brand-new look [...]

Behold, finally a big update to the RAP Developer’s Guide! After neglecting it a bit in the last release, the RAP team worked hard to get it in shape for Juno. With a lof of the information on RAP scattered around in blogbosts, forum entries, wiki pages and javadocs, newcomer (and in some case experts) [...]

The release of the RAP protocol is an important milestone. The protocol enables native mobile client Apps (in addition to the existing browser client) to connect to the RAP server. In other words, the data is now sent over the network by using JSON instead of proprietary JavaScript. One thing we noticed, was that the [...]

On Monday this week we released Tabris 0.6.0 which is the renamed successor of our last RAP mobile release. Next to the renaming of projects and packages there were a few other changes worth mentioning. The caching of images in both native clients for iOS and Android has been vastly improved. Images are now fetched [...]

Recently, I was asked how to create a web application that allows the user to draw on images: We have an application to deliver training content to medical professionals. An important issue for us is user-interaction with images. E.g. displaying images and allowing users to draw on them. The example below shows how to draw [...]

When adopting the Whiteboard Pattern for one of our Eclipse RAP based web applications, we stumbled upon a problem concerning the session scope of events. Here’s how we solved it. The Whiteboard Pattern in OSGi development is an alternative to the event listener or Observer pattern commonly used in Java programming. In an OSGi environment, [...]

Although it started three years ago with the promise of almost infinite scalability and a big echo in the community, it has become quiet around the Google App Engine. Google trends reveals that search traffic is flat and the latest news listed is 2 years old. That does not indicate a lot of interest. Despite [...]

RAP 1.5 includes a new API to define and start RAP applications programmatically (up to RAP 1.4, this was only possible using Eclipse extensions or web.xml properties). With this new API, RAP can also be used for leightweight applications based on OSGi, but without the entire Eclipse stack, even with other OSGi containers like Apache [...]

Whenever we talk about server-side apps and RAP mobile, one topic always comes up: how to access native functionality like Geolocation or the Camera. With this post I want to show you how we access this functionality on the server-side. At writing, we’ve implemented Geolocation Support, and more additions are planned for the near future. [...]

Once again we are releasing a new version of RAP mobile. This latest release 0.5.7 brings with it a very cool new feature that we call the “Client Canvas”. This extension of the classic SWT Canvas allows you to draw freehand on your screen with your stylus or even your finger. Additional Features and API [...]