Switch train suggestions to online data

.metadata

@@ -1,10 +1,30 @@
 # This file tracks properties of this Flutter project.
 # Used by Flutter tool to assess capabilities and perform upgrades etc.
 #
-# This file should be version controlled and should not be manually edited.
+# This file should be version controlled.
 
 version:
-  revision: b712a172f9694745f50505c93340883493b505e5
+  revision: bcea432bce54a83306b3c00a7ad0ed98f777348d
-  channel: stable
+  channel: beta
 
 project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: bcea432bce54a83306b3c00a7ad0ed98f777348d
+      base_revision: bcea432bce54a83306b3c00a7ad0ed98f777348d
+    - platform: linux
+      create_revision: bcea432bce54a83306b3c00a7ad0ed98f777348d
+      base_revision: bcea432bce54a83306b3c00a7ad0ed98f777348d
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

CHANGELOG.TXT

@@ -1,3 +1,7 @@
+v2.7.1
+Switched train suggestions list from hardcoded data to server data.
+Added Linux build files.
+
 v2.7.0
 Changed domain name for server providing the data.
 Changed bundle name accordingly.

assets/lines/atc.json

@@ -1 +0,0 @@
-{"short_name":"ATC","operator":"Astra Trans Carpatic","data_export":"20171212","valabil":{"de_la":"20171210","pana_la":"20181208"},"versiune":"1","trenuri":[{"rang":"IR","numar":"15510","numar_intern":15510},{"rang":"IR","numar":"15511","numar_intern":15511},{"rang":"IR","numar":"15512","numar_intern":15512},{"rang":"IR","numar":"15513*","numar_intern":15513},{"rang":"IR","numar":"15513","numar_intern":15513},{"rang":"IR","numar":"15514","numar_intern":15514},{"rang":"IR","numar":"15514","numar_intern":15514},{"rang":"IR","numar":"15516","numar_intern":15516},{"rang":"IR","numar":"15520","numar_intern":15520},{"rang":"IR","numar":"15521*","numar_intern":15521},{"rang":"IR","numar":"15521","numar_intern":15521},{"rang":"IR","numar":"15522","numar_intern":15522},{"rang":"IR","numar":"15522","numar_intern":15522},{"rang":"IR","numar":"15523","numar_intern":15523},{"rang":"IR","numar":"15523","numar_intern":15523},{"rang":"IR","numar":"15527","numar_intern":15527},{"rang":"IR","numar":"15528","numar_intern":15528},{"rang":"IR","numar":"15529","numar_intern":15529},{"rang":"IR","numar":"15531","numar_intern":15531},{"rang":"IR","numar":"15532","numar_intern":15532},{"rang":"IR","numar":"15533","numar_intern":15533},{"rang":"IR","numar":"15533e","numar_intern":15533},{"rang":"IR","numar":"15534","numar_intern":15534},{"rang":"IR","numar":"15535","numar_intern":15535},{"rang":"IR","numar":"15536","numar_intern":15536},{"rang":"IR","numar":"15537-2","numar_intern":15537},{"rang":"IR","numar":"15538","numar_intern":15538},{"rang":"IR","numar":"15540","numar_intern":15540},{"rang":"IR","numar":"15541","numar_intern":15541},{"rang":"IR","numar":"15541","numar_intern":15541},{"rang":"IR","numar":"15542","numar_intern":15542},{"rang":"IR","numar":"15542","numar_intern":15542},{"rang":"IR","numar":"15543","numar_intern":15543},{"rang":"IR","numar":"15544","numar_intern":15544},{"rang":"IR","numar":"15545","numar_intern":15545},{"rang":"IR","numar":"15546*","numar_intern":15546},{"rang":"IR","numar":"15546","numar_intern":15546},{"rang":"IR","numar":"15547","numar_intern":15547},{"rang":"IR","numar":"15548","numar_intern":15548},{"rang":"IR","numar":"15549*","numar_intern":15549},{"rang":"IR","numar":"15549b","numar_intern":15549},{"rang":"IR","numar":"15551","numar_intern":15551},{"rang":"IR","numar":"15552","numar_intern":15552},{"rang":"IR","numar":"15553","numar_intern":15553},{"rang":"IR","numar":"15581","numar_intern":15581},{"rang":"IR","numar":"15582","numar_intern":15582},{"rang":"IR","numar":"15582***","numar_intern":15582},{"rang":"IR","numar":"15583","numar_intern":15583},{"rang":"IR","numar":"15590","numar_intern":15590},{"rang":"IR","numar":"15591","numar_intern":15591},{"rang":"IR","numar":"15592","numar_intern":15592},{"rang":"IR","numar":"15593","numar_intern":15593},{"rang":"R","numar":"*P18801","numar_intern":null},{"rang":"IR","numar":"*15546","numar_intern":null},{"rang":"R","numar":"**P18801","numar_intern":null},{"rang":"IR","numar":"*15591","numar_intern":null},{"rang":"R","numar":"**P18800","numar_intern":null},{"rang":"IR","numar":"15593","numar_intern":15593},{"rang":"IR","numar":"15594","numar_intern":15594},{"rang":"IR","numar":"15595-2","numar_intern":15595},{"rang":"R","numar":"18800","numar_intern":18800},{"rang":"R","numar":"18801","numar_intern":18801},{"rang":"IR","numar":"18826","numar_intern":18826},{"rang":"IR","numar":"18851","numar_intern":18851},{"rang":"IR","numar":"18852","numar_intern":18852}]}

assets/lines/files.txt

@@ -1,6 +0,0 @@
-atc.json
-cfr.json
-interregional.json
-rc.json
-st.json
-tfc.json

assets/lines/st.json

@@ -1 +0,0 @@
-{"short_name":"Softrans","operator":"Softrans S.R.L.","data_export":"20181212","valabil":{"de_la":"20181209","pana_la":"20191214"},"versiune":"1","trenuri":[{"rang":"IR","numar":"15931-2","numar_intern":15931},{"rang":"IR","numar":"15932","numar_intern":15932},{"rang":"IR","numar":"15933-2","numar_intern":15933},{"rang":"IR","numar":"15934","numar_intern":15934},{"rang":"IR","numar":"15935-2","numar_intern":15935},{"rang":"IR","numar":"15936","numar_intern":15936},{"rang":"IR","numar":"15982","numar_intern":15982},{"rang":"IR","numar":"15984","numar_intern":15984}]}

lib/api/trains.dart

@@ -0,0 +1,11 @@
+import 'dart:convert';
+
+import 'package:http/http.dart' as http;
+import 'package:info_tren/api/common.dart';
+import 'package:info_tren/models/trains_result.dart';
+
+Future<List<TrainsResult>> get trains async {
+  final result = await http.get(Uri.https(authority, 'v2/trains'));
+  final data = jsonDecode(result.body) as List<dynamic>;
+  return data.map((e) => TrainsResult.fromJson(e)).toList(growable: false,);
+}

lib/components/loading/loading_cupertino.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/src/widgets/framework.dart';
 import 'package:info_tren/components/loading/loading.dart';
 
 class LoadingCupertino extends LoadingCommon {

lib/components/select_train_suggestions/select_train_suggestions.dart

@@ -3,17 +3,18 @@ import 'dart:convert';
 import 'package:flutter/widgets.dart';
 import 'package:info_tren/components/select_train_suggestions/select_train_suggestions_cupertino.dart';
 import 'package:info_tren/components/select_train_suggestions/select_train_suggestions_material.dart';
-import 'package:info_tren/models/train_operator_lines.dart';
+import 'package:info_tren/models/trains_result.dart';
 import 'package:info_tren/models/ui_design.dart';
 import 'package:info_tren/utils/default_ui_design.dart';
 import 'package:tuple/tuple.dart';
 
 class SelectTrainSuggestions extends StatefulWidget {
   final UiDesign? uiDesign;
-  final String userInput;
+  final List<TrainsResult> choices;
+  final String? currentInput;
   final void Function(String trainNumber) onTrainSelected;
 
-  const SelectTrainSuggestions({ Key? key, required this.uiDesign, required this.userInput, required this.onTrainSelected }) : super(key: key);
+  const SelectTrainSuggestions({Key? key, required this.uiDesign, required this.choices, this.currentInput, required this.onTrainSelected }) : super(key: key);
 
   @override
   SelectTrainSuggestionsState createState() {
@@ -30,76 +31,15 @@ class SelectTrainSuggestions extends StatefulWidget {
 }
 
 abstract class SelectTrainSuggestionsState extends State<SelectTrainSuggestions> {
-  late String userInput;
+  String getUseCurrentInputWidgetText(String currentInput) => 'Caută trenul cu numărul ${widget.currentInput}';
-
-  List<TrainOperatorLines> operators = [];
-
-  Future loadOperators(BuildContext context) async {
-    operators = [];
-
-    final operatorsString = await DefaultAssetBundle.of(context).loadString("assets/lines/files.txt");
-    final operatorsFilesList = operatorsString.split("\n");
-
-    final decoder = JsonDecoder();
-
-    for (final operatorFile in operatorsFilesList) {
-      final operatorString = await DefaultAssetBundle.of(context).loadString("assets/lines/$operatorFile");
-      final operatorData = decoder.convert(operatorString);
-      final _operator = TrainOperatorLines.fromJson(operatorData);
-      operators.add(_operator);
-    }
-  }
-
-  @override
-  void initState() {
-    super.initState();
-    userInput = widget.userInput;
-
-    loadOperators(context).then((_) {
-      setState(() {});
-    });
-  }
-
-  @override
-  void didChangeDependencies() {
-    super.didChangeDependencies();
-    if (userInput != widget.userInput) {
-      setState(() {
-        userInput = widget.userInput;
-      });
-    }
-  }
-
-  String getUseCurrentInputWidgetText(String currentInput) => 'Caută trenul cu numărul $currentInput';
   Widget getUseCurrentInputWidget(String currentInput, void Function(String) onTrainSelected);
 
   @override
   Widget build(BuildContext context) {
-    var sliversTuple = operators.map(
+    var slivers = widget.choices.map((c) => c.company).toSet().map((operator) => OperatorAutocompleteSliver(
-      (op) => Tuple2(
-        getFilteredLines(op, userInput), 
-        op.operator, 
-      )
-    ).where((tuple) => tuple.item1.isNotEmpty).toList();
-    if (userInput.isNotEmpty) sliversTuple.sort((a, b) {
-      final aTrain = a.item1.first;
-      final bTrain = b.item1.first;
-
-      final inputAsRegExp = RegExp(userInput);
-
-      final matchOnA = inputAsRegExp.firstMatch(aTrain.number)!;
-      final matchOnB = inputAsRegExp.firstMatch(bTrain.number)!;
-
-      if (matchOnA.start != matchOnB.start) return matchOnA.start - matchOnB.start;
-
-      if (aTrain.number.length != bTrain.number.length) return aTrain.number.length - bTrain.number.length;
-
-      return aTrain.number.compareTo(bTrain.number);
-    });
-    var slivers = sliversTuple.map((tuple) => OperatorAutocompleteSliver(
       uiDesign: widget.uiDesign,
-      operatorName: tuple.item2, 
+      operatorName: operator, 
-      trains: tuple.item1, 
+      trains: widget.choices.where((c) => c.company == operator).toList(), 
       onTrainSelected: widget.onTrainSelected,
     )).toList();
 
@@ -107,7 +47,7 @@ abstract class SelectTrainSuggestionsState extends State<SelectTrainSuggestions>
       slivers: <Widget>[
         ...slivers,
         SliverToBoxAdapter(
-          child: int.tryParse(userInput) != null ? getUseCurrentInputWidget(userInput, widget.onTrainSelected) : Container(),
+          child: widget.currentInput != null && int.tryParse(widget.currentInput!) != null ? getUseCurrentInputWidget(widget.currentInput!, widget.onTrainSelected) : Container(),
         ),
         SliverToBoxAdapter(
           child: Container(
@@ -117,43 +57,17 @@ abstract class SelectTrainSuggestionsState extends State<SelectTrainSuggestions>
       ],
     );
   }
-
-  List<TrainOperatorTrainDescription> getFilteredLines(TrainOperatorLines _operator, String currentInput) {
-    if (currentInput.isNotEmpty) {
-      final filteredLines = _operator.trains
-        .where((elem) => elem.number.contains(currentInput))
-        .toList();
-
-      filteredLines.sort((a, b) {
-        final inputAsRegExp = RegExp(currentInput);
-
-        final matchOnA = inputAsRegExp.firstMatch(a.number)!;
-        final matchOnB = inputAsRegExp.firstMatch(b.number)!;
-
-        if (matchOnA.start != matchOnB.start) return matchOnA.start - matchOnB.start;
-
-        if (a.number.length != b.number.length) return a.number.length - b.number.length;
-
-        return a.number.compareTo(b.number);
-      });
-
-      return filteredLines;
-    }
-    else {
-      return _operator.trains;
-    }
-  }
 }
 
 class OperatorAutocompleteSliver extends StatelessWidget {
   final UiDesign? uiDesign;
   final String operatorName;
-  final List<TrainOperatorTrainDescription> trains;
+  final List<TrainsResult> trains;
   final void Function(String) onTrainSelected;
 
   const OperatorAutocompleteSliver({ Key? key, required this.uiDesign, required this.operatorName, required this.trains, required this.onTrainSelected }) : super(key: key);
 
-  Widget mapTrainToItem(TrainOperatorTrainDescription train) {
+  Widget mapTrainToItem(TrainsResult train) {
     final uiDesign = this.uiDesign ?? defaultUiDesign;
     switch (uiDesign) {
       case UiDesign.MATERIAL:
@@ -182,7 +96,7 @@ class OperatorAutocompleteSliver extends StatelessWidget {
     return SliverPrototypeExtentList(
       prototypeItem: Column(
         children: <Widget>[
-          mapTrainToItem(TrainOperatorTrainDescription()),
+          mapTrainToItem(TrainsResult(company: 'Company', number: '123', rank: 'R')),
         ],
       ),
       delegate: SliverChildBuilderDelegate(
@@ -202,7 +116,7 @@ class OperatorAutocompleteSliver extends StatelessWidget {
 
 abstract class OperatorAutocompleteTile extends StatelessWidget {
   final String operatorName;
-  final TrainOperatorTrainDescription train;
+  final TrainsResult train;
   final void Function(String) onTrainSelected;
 
   const OperatorAutocompleteTile({ Key? key, required this.onTrainSelected, required this.operatorName, required this.train }) : super(key: key);

lib/components/select_train_suggestions/select_train_suggestions_cupertino.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/cupertino.dart';
 import 'package:info_tren/components/cupertino_divider.dart';
 import 'package:info_tren/components/select_train_suggestions/select_train_suggestions.dart';
-import 'package:info_tren/models/train_operator_lines.dart';
+import 'package:info_tren/models/trains_result.dart';
 
 class SelectTrainSuggestionsStateCupertino extends SelectTrainSuggestionsState {
   @override
@@ -32,7 +32,7 @@ class OperatorAutocompleteTileCupertino extends OperatorAutocompleteTile {
     Key? key, 
     required String operatorName, 
     required void Function(String) onTrainSelected, 
-    required TrainOperatorTrainDescription train
+    required TrainsResult train
   }): super(
     onTrainSelected: onTrainSelected,
     operatorName: operatorName,
@@ -63,7 +63,7 @@ class OperatorAutocompleteTileCupertino extends OperatorAutocompleteTile {
                     textAlign: TextAlign.left,
                   ),
                   Text(
-                    "${train.rang} ${train.number}",
+                    "${train.rank} ${train.number}",
                     textAlign: TextAlign.left,
                   ),
                 ],

lib/components/select_train_suggestions/select_train_suggestions_material.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:info_tren/components/select_train_suggestions/select_train_suggestions.dart';
-import 'package:info_tren/models/train_operator_lines.dart';
+import 'package:info_tren/models/trains_result.dart';
 
 class SelectTrainSuggestionsStateMaterial extends SelectTrainSuggestionsState {
   @override
@@ -25,7 +25,7 @@ class OperatorAutocompleteTileMaterial extends OperatorAutocompleteTile {
     Key? key, 
     required String operatorName, 
     required void Function(String) onTrainSelected, 
-    required TrainOperatorTrainDescription train
+    required TrainsResult train
   }): super(
     onTrainSelected: onTrainSelected,
     operatorName: operatorName,
@@ -37,7 +37,7 @@ class OperatorAutocompleteTileMaterial extends OperatorAutocompleteTile {
   Widget build(BuildContext context) {
     return ListTile(
       dense: true,
-      title: Text("${train.rang} ${train.number}"),
+      title: Text("${train.rank} ${train.number}"),
       subtitle: Text(operatorName),
       onTap: () {
         onTrainSelected(train.number);

lib/models/stations_result.dart

@@ -11,4 +11,4 @@ class StationsResult {
 
   factory StationsResult.fromJson(Map<String, dynamic> json) => _$StationsResultFromJson(json);
   Map<String, dynamic> toJson() => _$StationsResultToJson(this);
-}
+}

lib/models/train_operator_lines.dart

@@ -1,42 +0,0 @@
-import 'package:json_annotation/json_annotation.dart';
-
-part 'train_operator_lines.g.dart';
-
-@JsonSerializable()
-class TrainOperatorLines {
-  @JsonKey(name: "short_name")
-  final String shortName;
-  final String operator;
-  @JsonKey(name: "versiune")
-  final String version;
-  @JsonKey(name: "trenuri")
-  final List<TrainOperatorTrainDescription> trains;
-
-  TrainOperatorLines({
-    required this.operator,
-    this.shortName = "",
-    required this.version,
-    required this.trains,
-  });
-
-  factory TrainOperatorLines.fromJson(Map<String, dynamic> json) => _$TrainOperatorLinesFromJson(json);
-  Map<String, dynamic> toJson() => _$TrainOperatorLinesToJson(this);
-}
-
-@JsonSerializable()
-class TrainOperatorTrainDescription {
-  final String rang;
-  @JsonKey(name: "numar")
-  final String number;
-  @JsonKey(name: "numar_intern")
-  final int internalNumber;
-
-  TrainOperatorTrainDescription({
-    this.number = '',
-    this.rang = '',
-    this.internalNumber = 0,
-  });
-
-  factory TrainOperatorTrainDescription.fromJson(Map<String, dynamic> json) => _$TrainOperatorTrainDescriptionFromJson(json);
-  Map<String, dynamic> toJson() => _$TrainOperatorTrainDescriptionToJson(this);
-}

lib/models/train_operator_lines.g.dart

@@ -1,42 +0,0 @@
-// GENERATED CODE - DO NOT MODIFY BY HAND
-
-part of 'train_operator_lines.dart';
-
-// **************************************************************************
-// JsonSerializableGenerator
-// **************************************************************************
-
-TrainOperatorLines _$TrainOperatorLinesFromJson(Map<String, dynamic> json) =>
-    TrainOperatorLines(
-      operator: json['operator'] as String,
-      shortName: json['short_name'] as String? ?? "",
-      version: json['versiune'] as String,
-      trains: (json['trenuri'] as List<dynamic>)
-          .map((e) =>
-              TrainOperatorTrainDescription.fromJson(e as Map<String, dynamic>))
-          .toList(),
-    );
-
-Map<String, dynamic> _$TrainOperatorLinesToJson(TrainOperatorLines instance) =>
-    <String, dynamic>{
-      'short_name': instance.shortName,
-      'operator': instance.operator,
-      'versiune': instance.version,
-      'trenuri': instance.trains,
-    };
-
-TrainOperatorTrainDescription _$TrainOperatorTrainDescriptionFromJson(
-        Map<String, dynamic> json) =>
-    TrainOperatorTrainDescription(
-      number: json['numar'] as String? ?? '',
-      rang: json['rang'] as String? ?? '',
-      internalNumber: json['numar_intern'] as int? ?? 0,
-    );
-
-Map<String, dynamic> _$TrainOperatorTrainDescriptionToJson(
-        TrainOperatorTrainDescription instance) =>
-    <String, dynamic>{
-      'rang': instance.rang,
-      'numar': instance.number,
-      'numar_intern': instance.internalNumber,
-    };

lib/models/trains_result.dart

@@ -0,0 +1,19 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'trains_result.g.dart';
+
+@JsonSerializable()
+class TrainsResult {
+  final String rank;
+  final String number;
+  final String company;
+
+  const TrainsResult({
+    required this.rank, 
+    required this.number, 
+    required this.company,
+  });
+
+  factory TrainsResult.fromJson(Map<String, dynamic> json) => _$TrainsResultFromJson(json);
+  Map<String, dynamic> toJson() => _$TrainsResultToJson(this);
+}

lib/models/trains_result.g.dart

@@ -0,0 +1,20 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'trains_result.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+TrainsResult _$TrainsResultFromJson(Map<String, dynamic> json) => TrainsResult(
+      rank: json['rank'] as String,
+      number: json['number'] as String,
+      company: json['company'] as String,
+    );
+
+Map<String, dynamic> _$TrainsResultToJson(TrainsResult instance) =>
+    <String, dynamic>{
+      'rank': instance.rank,
+      'number': instance.number,
+      'company': instance.company,
+    };

lib/pages/station_arrdep_page/select_station/select_station.dart

@@ -21,6 +21,8 @@ class SelectStationPage extends StatefulWidget {
         return SelectStationPageStateMaterial();
       case UiDesign.CUPERTINO:
         return SelectStationPageStateCupertino();
+      default:
+        throw UnmatchedUiDesignException(uiDesign);
     }
   }
 }
@@ -35,6 +37,9 @@ abstract class SelectStationPageState extends State<SelectStationPage> {
     'ș': 's',
     'ț': 't',
   };
+
+  final textEditingController = TextEditingController();
+
   List<String> stations = [];
 
   List<String> get filteredStations {
@@ -75,6 +80,4 @@ abstract class SelectStationPageState extends State<SelectStationPage> {
     Navigator.of(context).pushNamed(ViewStationPage.routeName, arguments: suggestion);
   }
 
-  final TextEditingController textEditingController = TextEditingController();
-
 }

lib/pages/train_info_page/select_train/select_train.dart

@@ -3,11 +3,13 @@ import 'dart:io' show Platform;
 import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:info_tren/components/select_train_suggestions/select_train_suggestions.dart';
+import 'package:info_tren/models/trains_result.dart';
 import 'package:info_tren/models/ui_design.dart';
 import 'package:info_tren/pages/train_info_page/select_train/select_train_cupertino.dart';
 import 'package:info_tren/pages/train_info_page/select_train/select_train_material.dart';
 import 'package:info_tren/pages/train_info_page/view_train/train_info.dart';
 import 'package:info_tren/utils/default_ui_design.dart';
+import 'package:info_tren/api/trains.dart' as apiTrains;
 import 'package:tuple/tuple.dart';
 
 typedef TrainSelectedCallback(int trainNumber);
@@ -20,6 +22,7 @@ class SelectTrainPage extends StatefulWidget {
   static String routeName = "/trainInfo/selectTrain";
 
   void onTrainSelected(BuildContext context, String selection) {
+    selection = selection.characters.takeWhile((char) => List.generate(10, (i) => i.toString()).contains(char)).join();
     Navigator.of(context).pushNamed(TrainInfo.routeName, arguments: selection);
   }
 
@@ -41,10 +44,56 @@ abstract class SelectTrainPageState extends State<SelectTrainPage> {
   final String pageTitle = 'Informații despre tren';
   final String textFieldLabel = 'Numărul trenului';
 
-  TextEditingController trainNoController = TextEditingController();
+  final trainNoController = TextEditingController();
+
+  List<TrainsResult> trains = [];
+
+  List<TrainsResult> get filteredTrains {
+    final filter = trainNoController.text
+      .trim()
+      .toLowerCase();
+    if (filter.isEmpty) {
+      return trains;
+    }
+
+    final filtered = trains.where((e) => e.number.contains(filter)).toList(growable: false);
+
+    filtered.sort((t1, t2) {
+      final posInNum1 = t1.number.indexOf(filter);
+      final posInNum2 = t2.number.indexOf(filter);
+
+      if (posInNum1 != posInNum2) {
+        return posInNum1.compareTo(posInNum2);
+      }
+
+      return t1.number.length.compareTo(t2.number.length);
+    });
+
+    return filtered;
+  }
 
   @override
   void initState() {
+    apiTrains.trains.then((value) {
+      setState(() {
+        trains = value;
+        trains.sort((t1, t2) {
+          if (t1.company != t2.company) {
+            return t1.company.compareTo(t2.company);
+          }
+
+          if (t1.rank != t2.rank) {
+            return t1.rank.compareTo(t2.rank);
+          }
+
+          final t1Num = t1.number.padLeft(t2.number.length, '0');
+          final t2Num = t2.number.padLeft(t1.number.length, '0');
+
+          return t1Num.compareTo(t2Num);
+        });
+      });
+    });
+
     super.initState();
   }
 
@@ -54,8 +103,9 @@ abstract class SelectTrainPageState extends State<SelectTrainPage> {
 
   Widget get suggestionsList => SelectTrainSuggestions(
     uiDesign: widget.uiDesign, 
-    userInput: trainNoController.text, 
+    choices: filteredTrains,
     onTrainSelected: (trainNumber) => widget.onTrainSelected(context, trainNumber),
+    currentInput: trainNoController.text,
     key: ValueKey(trainNoController.text),
   );
 }

linux/.gitignore

@@ -0,0 +1 @@
+flutter/ephemeral

linux/CMakeLists.txt

@@ -0,0 +1,138 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.10)
+project(runner LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "info_tren")
+# The unique GTK application identifier for this application. See:
+# https://wiki.gnome.org/HowDoI/ChooseApplicationID
+set(APPLICATION_ID "ro.dcdev.info_tren")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(SET CMP0063 NEW)
+
+# Load bundled libraries from the lib/ directory relative to the binary.
+set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
+
+# Root filesystem for cross-building.
+if(FLUTTER_TARGET_PLATFORM_SYSROOT)
+  set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT})
+  set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
+  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+endif()
+
+# Define build configuration options.
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  set(CMAKE_BUILD_TYPE "Debug" CACHE
+    STRING "Flutter build mode" FORCE)
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+    "Debug" "Profile" "Release")
+endif()
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_14)
+  target_compile_options(${TARGET} PRIVATE -Wall -Werror)
+  target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+
+add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
+
+# Define the application target. To change its name, change BINARY_NAME above,
+# not the value here, or `flutter run` will no longer work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME}
+  "main.cc"
+  "my_application.cc"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add dependency libraries. Add any application-specific dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter)
+target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)
+
+# Only the install-generated bundle's copy of the executable will launch
+# correctly, since the resources must in the right relative locations. To avoid
+# people trying to run the unbundled copy, put it in a subdirectory instead of
+# the default top-level location.
+set_target_properties(${BINARY_NAME}
+  PROPERTIES
+  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
+)
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# By default, "installing" just makes a relocatable bundle in the build
+# directory.
+set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+# Start with a clean build bundle directory every time.
+install(CODE "
+  file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
+  " COMPONENT Runtime)
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES})
+  install(FILES "${bundled_library}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endforeach(bundled_library)
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
+  install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()

linux/flutter/CMakeLists.txt

@@ -0,0 +1,88 @@
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.10)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+
+# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
+# which isn't available in 3.10.
+function(list_prepend LIST_NAME PREFIX)
+    set(NEW_LIST "")
+    foreach(element ${${LIST_NAME}})
+        list(APPEND NEW_LIST "${PREFIX}${element}")
+    endforeach(element)
+    set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
+endfunction()
+
+# === Flutter Library ===
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
+pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
+
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "fl_basic_message_channel.h"
+  "fl_binary_codec.h"
+  "fl_binary_messenger.h"
+  "fl_dart_project.h"
+  "fl_engine.h"
+  "fl_json_message_codec.h"
+  "fl_json_method_codec.h"
+  "fl_message_codec.h"
+  "fl_method_call.h"
+  "fl_method_channel.h"
+  "fl_method_codec.h"
+  "fl_method_response.h"
+  "fl_plugin_registrar.h"
+  "fl_plugin_registry.h"
+  "fl_standard_message_codec.h"
+  "fl_standard_method_codec.h"
+  "fl_string_codec.h"
+  "fl_value.h"
+  "fl_view.h"
+  "flutter_linux.h"
+)
+list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
+target_link_libraries(flutter INTERFACE
+  PkgConfig::GTK
+  PkgConfig::GLIB
+  PkgConfig::GIO
+)
+add_dependencies(flutter flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CMAKE_CURRENT_BINARY_DIR}/_phony_
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
+      ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
+  VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+)

linux/flutter/generated_plugin_registrant.cc

@@ -0,0 +1,11 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+
+void fl_register_plugins(FlPluginRegistry* registry) {
+}

linux/flutter/generated_plugin_registrant.h

@@ -0,0 +1,15 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#ifndef GENERATED_PLUGIN_REGISTRANT_
+#define GENERATED_PLUGIN_REGISTRANT_
+
+#include <flutter_linux/flutter_linux.h>
+
+// Registers Flutter plugins.
+void fl_register_plugins(FlPluginRegistry* registry);
+
+#endif  // GENERATED_PLUGIN_REGISTRANT_

linux/flutter/generated_plugins.cmake

@@ -0,0 +1,23 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+)
+
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+)
+
+set(PLUGIN_BUNDLED_LIBRARIES)
+
+foreach(plugin ${FLUTTER_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin})
+  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
+endforeach(plugin)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin})
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)

linux/main.cc

@@ -0,0 +1,6 @@
+#include "my_application.h"
+
+int main(int argc, char** argv) {
+  g_autoptr(MyApplication) app = my_application_new();
+  return g_application_run(G_APPLICATION(app), argc, argv);
+}

linux/my_application.cc

@@ -0,0 +1,104 @@
+#include "my_application.h"
+
+#include <flutter_linux/flutter_linux.h>
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+#include "flutter/generated_plugin_registrant.h"
+
+struct _MyApplication {
+  GtkApplication parent_instance;
+  char** dart_entrypoint_arguments;
+};
+
+G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
+
+// Implements GApplication::activate.
+static void my_application_activate(GApplication* application) {
+  MyApplication* self = MY_APPLICATION(application);
+  GtkWindow* window =
+      GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
+
+  // Use a header bar when running in GNOME as this is the common style used
+  // by applications and is the setup most users will be using (e.g. Ubuntu
+  // desktop).
+  // If running on X and not using GNOME then just use a traditional title bar
+  // in case the window manager does more exotic layout, e.g. tiling.
+  // If running on Wayland assume the header bar will work (may need changing
+  // if future cases occur).
+  gboolean use_header_bar = TRUE;
+#ifdef GDK_WINDOWING_X11
+  GdkScreen* screen = gtk_window_get_screen(window);
+  if (GDK_IS_X11_SCREEN(screen)) {
+    const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
+    if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
+      use_header_bar = FALSE;
+    }
+  }
+#endif
+  if (use_header_bar) {
+    GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
+    gtk_widget_show(GTK_WIDGET(header_bar));
+    gtk_header_bar_set_title(header_bar, "info_tren");
+    gtk_header_bar_set_show_close_button(header_bar, TRUE);
+    gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
+  } else {
+    gtk_window_set_title(window, "info_tren");
+  }
+
+  gtk_window_set_default_size(window, 1280, 720);
+  gtk_widget_show(GTK_WIDGET(window));
+
+  g_autoptr(FlDartProject) project = fl_dart_project_new();
+  fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
+
+  FlView* view = fl_view_new(project);
+  gtk_widget_show(GTK_WIDGET(view));
+  gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
+
+  fl_register_plugins(FL_PLUGIN_REGISTRY(view));
+
+  gtk_widget_grab_focus(GTK_WIDGET(view));
+}
+
+// Implements GApplication::local_command_line.
+static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) {
+  MyApplication* self = MY_APPLICATION(application);
+  // Strip out the first argument as it is the binary name.
+  self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
+
+  g_autoptr(GError) error = nullptr;
+  if (!g_application_register(application, nullptr, &error)) {
+     g_warning("Failed to register: %s", error->message);
+     *exit_status = 1;
+     return TRUE;
+  }
+
+  g_application_activate(application);
+  *exit_status = 0;
+
+  return TRUE;
+}
+
+// Implements GObject::dispose.
+static void my_application_dispose(GObject* object) {
+  MyApplication* self = MY_APPLICATION(object);
+  g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
+  G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
+}
+
+static void my_application_class_init(MyApplicationClass* klass) {
+  G_APPLICATION_CLASS(klass)->activate = my_application_activate;
+  G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
+  G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
+}
+
+static void my_application_init(MyApplication* self) {}
+
+MyApplication* my_application_new() {
+  return MY_APPLICATION(g_object_new(my_application_get_type(),
+                                     "application-id", APPLICATION_ID,
+                                     "flags", G_APPLICATION_NON_UNIQUE,
+                                     nullptr));
+}

linux/my_application.h

@@ -0,0 +1,18 @@
+#ifndef FLUTTER_MY_APPLICATION_H_
+#define FLUTTER_MY_APPLICATION_H_
+
+#include <gtk/gtk.h>
+
+G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION,
+                     GtkApplication)
+
+/**
+ * my_application_new:
+ *
+ * Creates a new Flutter-based application.
+ *
+ * Returns: a new #MyApplication.
+ */
+MyApplication* my_application_new();
+
+#endif  // FLUTTER_MY_APPLICATION_H_

pubspec.lock

@@ -7,35 +7,35 @@ packages:
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "24.0.0"
+    version: "31.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.8.0"
   args:
     dependency: transitive
     description:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.0"
+    version: "2.3.1"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.9.0"
   build:
     dependency: transitive
     description:
       name: build
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.3.0"
   build_config:
     dependency: transitive
     description:
@@ -49,56 +49,49 @@ packages:
       name: build_daemon
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "3.1.0"
   build_resolvers:
     dependency: transitive
     description:
       name: build_resolvers
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "2.0.6"
   build_runner:
     dependency: "direct dev"
     description:
       name: build_runner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.11"
   build_runner_core:
     dependency: transitive
     description:
       name: build_runner_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "7.1.0"
+    version: "7.2.2"
   built_collection:
     dependency: transitive
     description:
       name: built_collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.1.0"
+    version: "5.1.1"
   built_value:
     dependency: transitive
     description:
       name: built_value
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "8.1.2"
+    version: "8.4.0"
   characters:
     dependency: transitive
     description:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
   checked_yaml:
     dependency: transitive
     description:
@@ -112,49 +105,49 @@ packages:
       name: cli_util
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.3"
+    version: "0.3.5"
   code_builder:
     dependency: transitive
     description:
       name: code_builder
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.1.0"
+    version: "4.2.0"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   convert:
     dependency: transitive
     description:
       name: convert
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
   crypto:
     dependency: transitive
     description:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.2"
+    version: "0.1.3"
   dart_style:
     dependency: transitive
     description:
       name: dart_style
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.3"
+    version: "2.2.1"
   file:
     dependency: transitive
     description:
@@ -168,7 +161,7 @@ packages:
       name: fixnum
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -187,42 +180,42 @@ packages:
       name: frontend_server_client
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.3"
   glob:
     dependency: transitive
     description:
       name: glob
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.1.0"
   graphs:
     dependency: transitive
     description:
       name: graphs
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   http:
     dependency: "direct main"
     description:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.13.3"
+    version: "0.13.4"
   http_multi_server:
     dependency: transitive
     description:
       name: http_multi_server
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.1"
+    version: "3.2.1"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0"
+    version: "4.0.1"
   io:
     dependency: transitive
     description:
@@ -236,7 +229,7 @@ packages:
       name: js
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.3"
+    version: "0.6.4"
   json_annotation:
     dependency: transitive
     description:
@@ -250,21 +243,28 @@ packages:
       name: json_serializable
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.0.0"
+    version: "5.0.2"
   logging:
     dependency: transitive
     description:
       name: logging
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.0.2"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.12"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
@@ -278,56 +278,49 @@ packages:
       name: mime
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.2"
   package_config:
     dependency: transitive
     description:
       name: package_config
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.2"
-  pedantic:
-    dependency: transitive
-    description:
-      name: pedantic
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.11.1"
   pool:
     dependency: transitive
     description:
       name: pool
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.0"
+    version: "1.5.1"
   pub_semver:
     dependency: transitive
     description:
       name: pub_semver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.1"
   pubspec_parse:
     dependency: transitive
     description:
       name: pubspec_parse
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.1.0"
   quiver:
     dependency: transitive
     description:
       name: quiver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.1"
+    version: "3.1.0"
   redux:
     dependency: transitive
     description:
@@ -341,21 +334,21 @@ packages:
       name: rxdart
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.22.0"
+    version: "0.22.6"
   shelf:
     dependency: transitive
     description:
       name: shelf
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.2"
   shelf_web_socket:
     dependency: transitive
     description:
       name: shelf_web_socket
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.0.2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -367,21 +360,21 @@ packages:
       name: source_gen
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.2"
   source_helper:
     dependency: transitive
     description:
       name: source_helper
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.1"
+    version: "1.3.2"
   source_span:
     dependency: transitive
     description:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.9.1"
   sprintf:
     dependency: "direct main"
     description:
@@ -416,14 +409,14 @@ packages:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   timing:
     dependency: transitive
     description:
@@ -444,34 +437,34 @@ packages:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.3.1"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
   watcher:
     dependency: transitive
     description:
       name: watcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.1"
   web_socket_channel:
     dependency: transitive
     description:
       name: web_socket_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.2.0"
   yaml:
     dependency: transitive
     description:
       name: yaml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.0"
+    version: "3.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.17.0 <3.0.0"

pubspec.yaml

@@ -11,7 +11,7 @@ description: O aplicație de vizualizare a datelor puse la dispoziție de Inform
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 2.7.0
+version: 2.7.1
 
 environment:
   sdk: ">=2.12.0 <3.0.0"
@@ -88,5 +88,3 @@ flutter:
   #
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/custom-fonts/#from-packages
-  assets:
-    - assets/lines/

test/widget_test.dart

@@ -0,0 +1,30 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility in the flutter_test package. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:info_tren/main.dart';
+
+void main() {
+  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    await tester.pumpWidget(const MyApp());
+
+    // Verify that our counter starts at 0.
+    expect(find.text('0'), findsOneWidget);
+    expect(find.text('1'), findsNothing);
+
+    // Tap the '+' icon and trigger a frame.
+    await tester.tap(find.byIcon(Icons.add));
+    await tester.pump();
+
+    // Verify that our counter has incremented.
+    expect(find.text('0'), findsNothing);
+    expect(find.text('1'), findsOneWidget);
+  });
+}