flutter 中间一个元素,最右边一个元素

中间一个元素,最右边一个元素

           Row(
                  mainAxisAlignment: MainAxisAlignment.center,//这个很关键
                  children: [
                    Expanded(//这个很关键
                      child: Container(
                        alignment: Alignment.center,//这个很关键
                        margin: const EdgeInsets.only(top: 10, bottom: 10),
                        child: const Text(
                          "增加次数",
                          style: TextStyle(color: Colors.white),
                        ),
                      ),
                    ),
                    Container(child: const Image(
                        image: AssetImage(
                            'assets/images/[email protected]2x.png'),
                        gaplessPlayback: true,
                        width: 18,
                        height: 17),)
                  ],
                ),