And I have to longpress more than 1s before I can drag the scrollbar. Code sample Code sample @overrideWidgetbuild(BuildContextcontext) {// This method is rerun every time setState is called, for instance as done// by the _incrementCounter method above./// The Flutter framework has been ...
This is not a well-known Widget, but it is used quite a bit within the core Flutter code-base. It allows you to define ‘paint regions’ to avoid re-painting the entire screen every time something changes. It’s used in various core Widgets like Hero, TextField, Routes, OverscrollIndic...