flutter IconButton 背景颜色消除

通过添加 splashColor: Colors.transparent,highlightColor: Colors.transparent,修改点击时的背景效果

IconButton(
            splashColor: Colors.transparent,
            highlightColor: Colors.transparent,
            // 已收藏
            icon: Icon(Icons.star,color:Color.fromRGBO(246, 211, 102, 0.5)),
            onPressed: (){
              setState(() {
                _hasStar = false;
              });
              print('取消了收藏按钮');
            },
          )