如何在flutter中创建固定文本标签

dependencies:
  flutter:
    sdk: flutter
  flutter_material:
    ^1.0.0

import 'package:flutter/material.dart';

class MyTextWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Text(
      '固定文本标签',
      style: TextStyle(
        fontSize: 16,
        color: Colors.black,
      ),
    );
  }
}

import 'package:flutter/material.dart';

class MyHomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Flutter App'),
      ),
      body: Center(
        child: MyTextWidget(),
      ),
    );
  }
}