flutter - 按下时删除Tabview的背景矩形白色区域

Question

当我单击选项卡视图中的选项卡时，出现矩形白色背景闪烁。如何删除这个？

选项卡视图

TabBar(
        tabs: tabs,
        controller: _tabController,
        isScrollable: true,
        indicatorSize: TabBarIndicatorSize.tab,
        labelPadding: EdgeInsets.symmetric(horizontal: 25.0),
        indicatorPadding: EdgeInsets.symmetric(horizontal: 10.0),
        overlayColor:
            MaterialStateProperty.all<Color>(Theme.of(context).primaryColor),
        indicator: BoxDecoration(
          color: Theme.of(context).primaryColorLight,
          borderRadius: BorderRadius.circular(20.0),
        ),
        unselectedLabelStyle: GoogleFonts.poppins(
          fontSize: 15.0,
          fontWeight: FontWeight.w600,
          letterSpacing: 0.3,
        ),
        unselectedLabelColor: Theme.of(context).highlightColor,
        labelColor: Colors.white,
        labelStyle: GoogleFonts.poppins(
          fontSize: 15.0,
          fontWeight: FontWeight.w600,
          letterSpacing: 0.3,
        ),
      )

标签： flutterflutter-layoutflutter-animation