Dart 如何限制TextSpan小部件的文本长度

我对Flutter 翼是个新手.当我使用TextSpan小工具时，如何限制文本？

我的代码

Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 8.0),
      child: Row(
        children: <Widget>[
          Expanded(
            flex: 2,
            child: Row(
              children: <Widget>[
                Stack(
                  children: <Widget>[
                    ClipRRect(
                      borderRadius: BorderRadius.all(Radius.circular(8)),
                      child: Image.asset(
                        lastPlayedGame.imagePath,
                        height: 60,
                        width: 45,
                        fit: BoxFit.cover,
                      ),
                    ),
                    Positioned(
                      left: 8,
                      right: 8,
                      top: 0,
                      bottom: 0,
                      child: Container(
                        decoration: BoxDecoration(
                          shape: BoxShape.circle,
                          color: Colors.white,
                        ),
                        child: Icon(
                          Icons.play_arrow,
                          color: Colors.red,
                        ),
                      ),
                    ),
                  ],
                ),
                Padding(
                  padding: const EdgeInsets.symmetric(horizontal: 12),
                  child: RichText(
                    text: TextSpan(children: [
                      TextSpan(text: lastPlayedGame.name, style: headingTwoTextStyle,),
                      TextSpan(text: '\n'),
                      TextSpan(text: "${lastPlayedGame.hoursPlayed} hours played", style: bodyTextStyle),
                    ]),
                  ),
                )
              ],
            ),
          ),
          Expanded(
            child: GameProgressWidget(screenWidth: screenWidth, gameProgress: gameProgress),
          ),
        ],
      ),
    );
  }
}

在我的Android设备上运行时，我会遇到一个错误:

一个RenderFlex在右侧溢出了15个像素.

如何限制文本长度？也许会判断文本是否是屏幕的最大值，是否会显示Assasin's Creed...(可能会带点？)