Flutter Tip: TabBar inside AppBar without Title | by Dhrumil Shah | Flutter Community | Medium
bottom
からflexibleSpace
にしたらOKとおもったら、変なスペースが入る。
https://blog.mrym.tv/2019/09/flutter-tabbar-without-appbar-title/
flexibleSpace: Column( mainAxisAlignment: MainAxisAlignment.end, children: <Widget>[ TabBar( tabs: tabs, controller: _tabController, ) ], ),
これがきもw