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Sony engineer Hidenori Matsubayashi revealed that the company has combined Google's Flutter UI system and Wayland display interface standards as a means for them to develop user interfaces on embedded systems, due to its excellent speed, multi-platform functionality and aesthetics.
Matsubayash talked about their evaluation of different GUI toolkits for embedded use at the European Embedded Linux Conference (ELCE 2020), as well as their final evaluation of Flutter and Wayland. And said that they have conducted research on the dependencies between network, mobile, desktop and embedded systems, development environment, performance indicators and compatibility, and then evaluated GTK, Electron, Qt, Unreal Engine and Unity. This decision was made after many open source and commercial options.
Matsubayash stated that their design requirements need to be able to make a "beautiful" user interface, support easy development, show low CPU and RAM requirements, work across display servers and software stacks, and the toolkit must allow the use of proprietary software Used in. "We need a GUI toolbox that is as lightweight as possible and independent of hardware and architecture."
Flutter is open source and cross-platform in nature. As a core part of Google's multi-device strategy, it comes with a rich set of development, debugging, and deployment tools. Wayland is a client-server model display interface with simple design, good performance, and wide acceptance in the industry. Sony believes that the combination of Flutter and Wayland is the best practice for embedded UI development. Flutter meets their requirements, enabling them to build beautiful interfaces for embedded systems, while having rich software support on various platforms.
Currently, Sony is using the Weston synthesizer and running the Flutter embedded shell. And Sony is indeed planning to make more contributions to the Linux construction of the Google Flutter library in the future.
For details, please check: https://static.sched.com/hosted_files/osseu2020/e0/Oct%2027_Graphical%20User%20Interface%20Using%20Flutter%20in%20Embedded%20Systems_Hidenori%20Matsubayashi.pdf