Remote Application Platform

In my last post I gave you an overview of server-side apps and how they relate to RAP mobile. In this post I want to dive into some technical details. I’ll assume that you are a Java programmer and that you are familiar with servlets and tomcat. Not necessary but really helpful is some knowledge of [...]

You may have read the title of this post and are asking yourself, “what the heck is a server-side app?”. Let me try to explain. When an app works with sensitive data there is always a security risk in storing the data on the device. If the device is lost or stolen the sensitive data [...]

RAP mobile is progressing. In this post we’d like to give you a quick update on the latest features in the RAP mobile clients for iOS and Android. Android Graphical Context For drawing arbitrary graphical elements in a widget, RAP mobile now supports the Canvas and GC (graphical context) API. This enables a variety of [...]

In this post we’d like to give you a quick overview of the latest in RAP mobile, version 0.5.5. Android Support for UI Callback The UI callback mechanism enables a RAP client to automatically update the UI without user interaction. With this feature we can support progress indicators or updates to displays that are triggered [...]

The RAP team started working on a new feature called ClientScripting. It’s still in it’s infancy and will not (yet) be part of the core framework , but its already very useable. The goal is to allow adding pieces of behavior to the client-components of RAP widgets. This makes it possible to have swift, dynamic [...]

The RAP 1.5 M6 milestone build is packed with new features, especially for Trees and Tables. But most notably, you can now use HTML markup in Tables, Trees, and also in Labels: Just enable the markup support for a certain widget (see below), then you can make its text bold, italic, yellow or … no, [...]

If you ever need a WYSIWYG editor in your RAP application, look no further. I originally implemented this as an example of how JavaScript applications can be embedded in RAP as custom widgets. So if you have a similar scenario, you could also use this project as a template. The editor is fairly customizable, read [...]

Good keyboard controls have become a staple of modern web applications, such as Google Mail, Github (press “?”) and Flickr. However, almost every browser implements key events slightly differently, all with some quirks, and none of them like in ... [More] SWT. For this reason, key events in RAP had, until recently, several issues and limitations. That is [...] [Less]

The latest Android client for RAP mobile (v0.5.3) is now available. We are always looking for feedback so we urge you to take part in our developer preview program to experience the client firsthand. Besides the usual bugfixes, performance and ... [More] stability improvements, the 0.5.3 release brings some often requested features to an Android handset near you. For [...] [Less]

A few months ago my colleague, Ralf Sternberg, wrote an article on “how to access a huge dataset with the web browser“.  Now, if it’s possible to access very large datasets with a browser, wouldn’t it be really cool to access it in the same way with mobile devices? As you may have heard, we [...]