flutter - TabBar unknown height

Question

I made a TabBar but it adds 3.8 pixels and its not same if I switch the height.I removed the padding too what is that height and how can I find out its size

TabBar(
          controller: taby,
          unselectedLabelColor:Colors.purple,
          unselectedLabelStyle: TextStyle(color: Colors.red),
          labelColor: Colors.white,
          indicatorColor: Colors.white,
          labelPadding: EdgeInsets.all(0),
          isScrollable: true,
          tabs: [

            ...teamy.map((item) {
              return InkWell(
                onTap: () {
                taby.index=teamy.indexOf(item);
                 print(taby.index);

                },
                child: Container(
                 width: s.width/6,
                 height: s.teamListHeight,//(height/12)
                  child: DecoratedBox(
                    decoration: BoxDecoration(
                     shape: BoxShape.circle,
                     color: Colors.green,
                      image: DecorationImage(
                       image: NetworkImage(item.image),
                      ),
                    ),
                 ),
               ),
              );
            }),
          Container(width: s.width/6,color: Colors.white,child: Icon(Icons.add_circle_outline,size:s.width/7,),),
      ]

    ),

Answer 1

等待大神答复