git-touch-android-ios-app/lib/widgets/user_name.dart

import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import '../screens/screens.dart';
import 'link.dart';

final style = TextStyle(fontWeight: FontWeight.w600);

TextSpan createUserSpan(String login) {
  return TextSpan(text: login, style: style);
}

class UserName extends StatelessWidget {
  final String login;

  UserName(this.login);

  @override
  Widget build(BuildContext context) {
    return Link(
      onTap: () {
        Navigator.of(context).push(
          CupertinoPageRoute(builder: (_) => UserScreen(login)),
        );
      },
      child: Container(
        padding: EdgeInsets.all(2),
        decoration: BoxDecoration(
          borderRadius: BorderRadius.all(Radius.circular(4)),
        ),
        child: Text(login, style: style),
      ),
    );
  }
}