问容器缩小到他孩子的大小

EN

Container(
                height: 100,
                decoration: BoxDecoration(
                  color: Colors.blue[50],
                  shape: BoxShape.circle,
                  boxShadow: [
                    BoxShadow(
                      color: Colors.black,
                      blurRadius: 10.0,
                      offset: Offset(3.0, 10.0),
                      // spreadRadius: 2.0,
                    )
                  ],
                ),
                child: Icon(Icons.location_on,
                    color: Color(0XFF0D47A1), size: 60.0),
              ),