Responsive QML HMIs with Scaling

The HMIs of in-vehicle infotainment systems, TVs, phones and many other systems must adapt to different screen resolutions and formats. This adaptation should happen with as little duplicate effort as possible. The simplest way of doing this for QML HMIs is to scale the values of all x, y, width, height, margin and border...

Offshoring Must Be About Finding Good Developers

Over the last 1.5 years, I worked with two Western automotive tier-1 suppliers who use near- and far-shoring to develop most parts of their infotainment systems. Both suppliers use offshoring to reduce their development costs. But how can these offshoring projects be cheaper if a good developer is easily 10-20 times more productive than...

What Makes a Developer Truly Professional

QA finds many bugs that are very easy to catch. Builds contain warnings and runs error messages and even violated assertions. Coding guidelines and good coding practices are ignored. Unit tests are only written to drive line coverage up. Acceptance tests are missing. Code is committed although some tests are failing. Releases are prepared...

Building HMI of Harvester with Qt

At Qt Developer Days 2014 in San Francisco, I gave a talk with title “Case Study: Driver Terminal for Forage Harvester”. I describe the technical challenges and their solutions when I helped Krone to develop the driver terminal of their new BigX 480/580 forage harvesters with QML, Qt and C++. Here are the slides...

Revolutionary HMI-Design of Forage Harvester

Agricultural OEM Krone bets on Qt software library for development of their terminal / First prototype read in less than three months 585 horsepower, 15.6 litres engine displacement and an up to 9 metre wide cutterhead – forage harvesters are among the most powerful agricultural machines. It takes a lot more technology and know-how...

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