At the ANWB people are constantly trying to improve the services they provide. One of these services is to provide traffic information. In the Netherlands the National Data Warehouse for Traffic Information (NDW) provides an enormous database of both real-time and historic traffic data. This data comes from many different sources and is available as open […]
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Author: Roberto van der Linden
Scaling images – Quirks and tricks
In one of our projects we created functionality to upload images. These images can, after being uploaded, be viewed on a grid or on a detail page. The grid shows a thumbnail and the detail page shows a medium variant of the image. To create these variants we have used java ImageIO, imgscalr, ImageMagick (im4java) […]
Creating charts with C3.js
Everybody remembers that project where you need to display some data in a chart. When you select a library to create these charts you will obviously have a few requirements. One of the requirements will probably be that the charts must look good to impress your customer and if they don’t look the way you […]
Linking apps together with App Links
When developing apps for mobile phones you want to offer your users the best user experience. Sometimes this includes showing information outside of your app, in another app. Up until recently, there was no real good way to do this. Luckily, now there is a new initiative App Links that provides an open source and […]
Hippo CMS Favorite Folders Plugin
After doing a number of big projects with Hippo CMS, I came up with the idea of creating a plugin. I’m always looking for ways to optimize the user experience as I think user experience is one of the most important parts of a product. Hippo allows you to store your content in a folder […]
Creating a mobile version of your website with Spring Mobile and Sitemesh
About a year ago I developed an Android app for my website, but as not everybody has an Android device I wanted to create a mobile version of my website. In the mobile version I want to present slightly different data to make it look more like the app. In this post I will show […]
Using Android Preferences in a background service
In this post I will explain how I have used the Android Preferences in a background service. The preference is used as an interval for updating a listview with some simple text items.
Android basics – Applying some UI patterns
When I started with my Android application, I had the idea to create a home screen and an action bar just like one of the Android developers described in a blog item. I was really helped by the source code of the Google I/O Schedule app. In this post I will explain how I used […]
Creating an Android app for your website with Spring Android and REST
As Android is really hot at the moment (and I have an Android phone), I wanted to create an Android app for my website. In this blog post I will explain the changes I had to make on the part of my web application and how I used Spring Android to interact from Android to […]
Migrating from Spring Integration 1.0.3 to 2.0.0.RC2
Spring Integration 2.0.0.RC2 is out and I really wanted to upgrade in my current project. Few of the reasons to upgrade were the dependency of Spring 3 and the support for JMX. Because SpringSource changed a few things in the 2.0.0 release, I want to share the steps I had to take and issues that […]