info_tren/lib/pages/main/main_page_material.dart

import 'package:flutter/material.dart';
import 'package:info_tren/pages/main/main_page.dart';

class MainPageMaterial extends MainPageShared {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(pageTitle),
        centerTitle: true,
        actions: [
          PopupMenuButton<int>(
            icon: Icon(Icons.more_vert),
            tooltip: moreOptionsText,
            itemBuilder: (_) => popupMenu.asMap().entries.map((e) => PopupMenuItem(
              child: Text(e.value.name),
              value: e.key,
            )).toList(),
            onSelected: (index) {
              popupMenu[index].action?.call(context);
            },
          ),
        ],
      ),
      body: SafeArea(
        child: Center(
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: options.map((option) => ElevatedButton(
              child: Text(
                option.name,
                style: Theme.of(context).textTheme.button?.copyWith(fontSize: 18),
              ),
              onPressed: option.action != null ? () => option.action!(context) : null,
            )).map((w) => Padding(
              padding: const EdgeInsets.fromLTRB(4, 2, 4, 2),
              child: SizedBox(
                width: double.infinity,
                child: w,
              ),
            )).toList(),
          ),
        ),
      ),
    );
  }
}