- Robotics Has Too Many Dreamers, Needs More Practical People (IEEE) — Grishin said that while looking for business opportunities, he saw too may entrepreneurs proposing cool new robots and concepts but with no business cases to support them. The robotics industry, he added, needs more startups to fail to allow entrepreneurs to learn from past mistakes and come up with more enduring plans. A reminder that first to found rarely correlates to biggest exit.
- Fixing the Internet for Confidentiality and Security (Mark Shuttleworth) — Every society, even today’s modern Western society, is prone to abusive governance. We should fear our own darknesses more than we fear others. I like the frame of “confidentiality” vs “privacy”.
- Bootstrap Material Design — a material design theme for Bootstrap. Material design (Google’s new design metaphor/language for interactive UIs) is important, to mobile and web what HIG was to MacOS, and it specifically tackles the noisy surprises that are app and web interfaces today.
- Simon Wardley on Bitcoin — Why I think US will adopt bitcoin … it is currently backed by $284m in venture capital, you’re going to get it whether you like it or not.
Adding consistency to Kivy's Python UI tools
Kivy has a wonderful set of built-in widgets that can be extended in numerous ways. They have very useful behaviors, but their look and feel may not integrate well with your App or the platforms you are targeting. Kivy doesn’t support theming out of the box right now, but if you poke around enough, there are a range of options you can use to customize the default look of widgets without having to define your own inherited versions of them.
I’ll first introduce you to Kivy’s image atlases, which are less mysterious than they sound, and are important groundwork for understanding theming in Kivy. Then you’ll learn two different ways to do manual theming in Kivy, with an eye to future automation.
To understand theming, you must first understand atlases. An atlas is essentially a collection of distinct images combined into a single image file for loading efficiency. A JSON file describes the location of the separate images inside that master image file so that Kivy can access them directly. If you’ve ever worked with CSS sprites, you know exactly what I’m talking about. If you haven’t, the following example should explain everything.