Architecture of Complex Live Stream Controller
In a live stream application, the live stream studio viewController is the most intricate page where there are lots of configurable widgets of kinds of businesses. In my past experience of working, I met that there are nearly 100 widgets on one page and more than ten different types of studio pages. More …iOS Graphics: Workflow of Graphics System
The iOS graphics series will introduce some content about principle of graphics processing and methods keeping iOS screen fluency, which include screen refresh essential, reason of display stalls, display performance optimising, openGL, AsyncDisplayKit, SwiftUI, etc. More …A Brief History of Human-Computer Interaction
Computers are like magic boxes that reveal various extraordinary features and amazingly change our lives. Nowadays, we use laptops, mobile phones and the other fresh even smarter devices every day, which makes that we find they are our essential partners and even friends. Perhaps we have been used to using them, but do you give attention to how we operate them and how the ways of interaction changed in history? In case you have no clear idea about that, this article will introduce a brief history of Human-Computer Interaction (HCI). More …Sidecar display issue on Mac OS Catalina when True Tone or Night Shift are on
Sidecar is a fantastic feature on the newest Mac OS, Catalina. It helps us work on external display space with iPad. 
I upgraded my Macbook Pro to Mac OS 10.15 and my iPad Pro to iPad OS 13.1, but there was some oddness of display colour that the window’s shadow was beige not grey.