Widget composition

main.dart

import 'package:flutter/material.dart';
import 'src/widgets.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    final Widget imageSection = ...
    final Widget titles = ...
    final Widget titleSection = ...
    final Widget actionSection = Container(
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
        children: <Widget>[
          Action(label: 'CALL', icon: Icons.call),
          Action(label: 'ROUTE', icon: Icons.near_me),
          Action(label: 'SHARE', icon: Icons.share),
        ],
      ),
    );
    final Widget textSection = ...
    final Widget scaffold = ...
    return MaterialApp(
      title: 'Flutter Demo',
      home: scaffold,
    );
  }
}

widgets.dart

import 'package:flutter/material.dart';

class Action extends StatelessWidget {
  Action({Key key, this.label, this.icon}) : super(key: key);

  final String label;
  final IconData icon;

  @override
  Widget build(BuildContext context) {
    final Color color = Theme.of(context).primaryColor;
    return Column(
      mainAxisSize: MainAxisSize.min,
      mainAxisAlignment: MainAxisAlignment.center,
      children: <Widget>[
        Icon(icon, color: color),
        Container(
          margin: const EdgeInsets.only(top: 8.0),
          child: Text(
            label,
            style: TextStyle(
              fontSize: 12.0,
              fontWeight: FontWeight.w400,
              color: color,
            ),
          ),
        ),
      ],
    );
  }
}