GridView.builder(
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 2),
itemBuilder: (c,i){return Container(color: Colors.grey,);},
itemCount: 13,
),
CustomScrollView(
slivers: [
SliverGrid(delegate: ,gridDelegate: ,),
SliverList(),
SliverToBoxAdapter(),
SliverAppBar()
],
SliverGrid() : 격자
SliverList() : 리스트
SliverToBoxAdapter() : Container
SliverAppBar() : AppBar
SliverGrid(
delegate: SliverChildBuilderDelegate(
(c,i) => Container(color: Colors.grey),
childCount: 3 // 몇개만들지?
),
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 2), //가로로 몇개만들래?
),
delegate, gridDelegat 에 가로세로 몇개만들지 정해서 넣으면된다.