comunicmobile/lib/ui/widgets/login_scaffold.dart

import 'package:comunic/utils/intl_utils.dart';
import 'package:flutter/material.dart';

/// Custom "Scaffold" for signed out users
///
/// @author Pierre Hubert

class LoginScaffold extends StatelessWidget {
  final Widget child;

  const LoginScaffold({Key key, @required this.child})
      : assert(child != null),
        super(key: key);

  @override
  Widget build(BuildContext context) {
    final mediaQuery = MediaQuery.of(context);

    final availableHeight =
        mediaQuery.size.height - mediaQuery.viewInsets.bottom;
    final minHeight = 400.0;

    final contentHeight =
        availableHeight < minHeight ? minHeight : availableHeight;

    return Scaffold(
      body: SingleChildScrollView(
        child: Center(
          child: Container(
            height: contentHeight,
            child: ConstrainedBox(
              constraints: BoxConstraints(maxWidth: 300),
              child: Column(
                children: <Widget>[
                  Spacer(flex: 3),
                  Text("Comunic", style: TextStyle(fontSize: 50)),
                  Spacer(flex: 1),
                  Text(tr("Free social network that respect your privacy")),
                  Spacer(flex: 1),
                  Padding(
                    padding: const EdgeInsets.all(8.0),
                    child: Material(
                      child: child,
                      color: Colors.indigo.shade500,
                    ),
                  ),
                  Spacer(flex: 5),
                ],
              ),
            ),
          ),
        ),
      ),
      backgroundColor: Colors.indigo.shade900,
    );
  }
}