当我单击它时,我正在尝试更改按钮的颜色。你能帮我吗,因为我真的做不到。谢谢你。
 Container(
        child: new Row(
          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
            children: <Widget>[
              new MaterialButton(
                  child: new Text("1"),
                  color: Colors.greenAccent,
                splashColor: Colors.red,
                  onPressed:  (){
                    test=0;
                    test=1;
},
 ),
              new MaterialButton(
                child: new Text("2"),
                  color: Colors.greenAccent,
                    onPressed: (){
                    test=0;
                    test=2;
},