inventree-app/lib/settings/app_settings.dart

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

import 'package:flutter_gen/gen_l10n/app_localizations.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';

import 'package:InvenTree/app_settings.dart';

class InvenTreeAppSettingsWidget extends StatefulWidget {
  @override
  _InvenTreeAppSettingsState createState() => _InvenTreeAppSettingsState();
}

class _InvenTreeAppSettingsState extends State<InvenTreeAppSettingsWidget> {

  final GlobalKey<_InvenTreeAppSettingsState> _settingsKey = GlobalKey<_InvenTreeAppSettingsState>();

  _InvenTreeAppSettingsState() {
  }

  bool barcodeSounds = true;
  bool serverSounds = true;

  @override
  void initState() {
    super.initState();

    loadSettings();
  }

  void loadSettings() async {
    barcodeSounds = await InvenTreeSettingsManager().getValue("barcodeSounds", true) as bool;
    serverSounds = await InvenTreeSettingsManager().getValue("serverSounds", true) as bool;

    setState(() {
    });
  }

  void setBarcodeSounds(bool en) async {

    await InvenTreeSettingsManager().setValue("barcodeSounds", en);
    barcodeSounds = await InvenTreeSettingsManager().getValue("barcodeSounds", true);

    setState(() {
    });
  }

  void setServerSounds(bool en) async {

    await InvenTreeSettingsManager().setValue("serverSounds", en);
    serverSounds = await InvenTreeSettingsManager().getValue("serverSounds", true);

    setState(() {
    });
  }

  @override
  Widget build(BuildContext context) {

    return Scaffold(
      key: _settingsKey,
      appBar: AppBar(
        title: Text(I18N.of(context).appSettings),
      ),
      body: Container(
        child: ListView(
          children: [
            ListTile(
              title: Text(
                I18N.of(context).sounds,
                style: TextStyle(fontWeight: FontWeight.bold),
              ),
              leading: FaIcon(FontAwesomeIcons.volumeUp),
            ),
            ListTile(
              title: Text(I18N.of(context).serverError),
              subtitle: Text("Play audible tone on server error"),
              leading: FaIcon(FontAwesomeIcons.server),
              trailing: Switch(
                value: serverSounds,
                onChanged: setServerSounds,
              ),
            ),
            ListTile(
              title: Text(I18N.of(context).barcodeTones),
              subtitle: Text("Play audible tones for barcode actions"),
              leading: FaIcon(FontAwesomeIcons.qrcode),
              trailing: Switch(
                value: barcodeSounds,
                onChanged: setBarcodeSounds,
              ),
            ),
            Divider(height: 1),
          ]
        )
      )
    );
  }
}