Honestly I kind of wonder why nobody has written a library that acts as a thin layer around and abstraction of native UI toolkits They have. Repeatedly. It ne

Honestly I kind of wonder why nobody has written a library that acts as a thin layer around and abstraction of native UI toolkits They have. Repeatedly. It never quite works, partly because the shared code has to deal with widgets behaving slightly differently, and mostly because the Human Interface Guidelines for different platforms are contradictory due to being based on different underlying visions.