flutter系列之:flutter中常用的ListView layout詳解2022-09-27 TAG: ListViewchildwidgetchildrenDelegateitemExtenthardEdge, })這裡itemExtent和prototypeItem這兩個屬性是外部傳入的,childrenDelegate是透過其他的引數構造而來的:childrenDelegate = SliverChildListDeleg... [ 檢視更多... ]