Hello everyone! I’m thrilled to share my recent journey in customizing my smart home setup using OpenHAB. As a newbie, I’ve been exploring YAML configurations to create my own widgets, and it’s been an exciting learning process. I wanted to share my experience and a tip that might help others facing similar challenges.
Recently, I set up a Cell Card to display different modes (Day, Evening, Night) using KNX presence sensors. The goal was to have dynamic icons and font colors that change based on the current mode. I managed to get the basic functionality working, but there was one issue that bothered me: the colors didn’t adapt to the app’s dark mode theme. The hardcoded ‘black’ color made the text hard to read in dark mode.
After some research and experimentation, I found a solution! Instead of hardcoding colors, I used conditional statements to dynamically set the color based on the theme. This way, the text automatically switches to white in dark mode and black in light mode, just like the rest of the app. It was a bit tricky, but the result is seamless and much more user-friendly.
Here’s a quick tip for anyone looking to achieve similar dynamic theming:
- Use Conditional Statements: Leverage OpenHAB’s ability to evaluate conditions in stylesheets. For example, you can set the color based on the current theme state.
- Test in Both Themes: Make sure to test your setup in both light and dark modes to ensure the colors adapt correctly.
- Keep It Simple: Start with basic conditions and gradually add more complexity as you become comfortable with the syntax.
I’m now exploring how to apply this dynamic theming to other parts of my setup, like status indicators and buttons. It’s been a great way to enhance the user experience without complicating the setup.
If anyone has tips or tricks for dynamic theming, I’d love to hear them! Happy customizing! 
