Results for “Element”

part of the UI. Flutter turns the widget tree into a longer-lived element tree and a render tree; when you call setState, only the widgets that

Either half taking too long drops the frame. setState marks that State's element dirty and everything below it rebuilds unless a child is the identical widget

Flutter is declarative: the UI is a function of state, so instead

child` so they are not rebuilt every frame. Hero is the shared-element transition: two Hero widgets with the same tag on two routes, and Navigator push/pop

Flutter builds a semantics tree next to the render tree and hands

Navigator keeps a stack of Route objects; Navigator.push adds a route built