[flutter-04] Row

1.Row

• 水平布局组件

Widget build(BuildContext context) {
    return Row(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        Checkbox(
          value: true,
          onChanged: (value) {
            print('click- checkbox: $value');
          },
        ),
        Text(
          '勾选协议',
          style: TextStyle(fontSize: 36),
          textDirection: TextDirection.ltr,
        ),
      ],
    );
  }