feat: edit per new lints, add editing categories

CHANGELOG.md

@@ -1,4 +1,7 @@
-# 1.0.0-alpha.2
+# 1.0.0-alpha+3
+- Add settings view for editing wallet categories
+- Change code according to more aggressive linting
+# 1.0.0-alpha+2
 - Fixed localization issues
 - Added graphs for expenses and income per month/year
 # 1.0.0-alpha

analysis_options.yaml

@@ -7,7 +7,7 @@
 
 # The following line activates a set of recommended lints for Flutter apps,
 # packages, and plugins designed to encourage good coding practices.
-include: package:flutter_lints/flutter.yaml
+include: package:very_good_analysis/analysis_options.yaml
 
 linter:
   # The lint rules applied to this project can be customized in the
@@ -23,6 +23,8 @@ linter:
   rules:
     # avoid_print: false  # Uncomment to disable the `avoid_print` rule
     # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+    prefer_single_quotes: false
+    flutter_style_todos: false
 
 # Additional information about this file can be found at
 # https://dart.dev/guides/language/analysis-options

lib/api/category.dart

@@ -6,23 +6,32 @@ part 'category.g.dart';
 
 /// Represents a category in a user's wallet
 class WalletCategory {
-  final EntryType type;
+  /// Represents a category in a user's wallet
-  String name;
+  WalletCategory({
-  final int id;
+    required this.name,
-  @JsonKey(fromJson: _iconDataFromJson, toJson: _iconDataToJson)
-  IconData icon;
-
-  WalletCategory(
-      {required this.name,
     required this.type,
     required this.id,
-      required this.icon});
+    required this.icon,
+  });
 
   /// Connect the generated [_$WalletEntry] function to the `fromJson`
   /// factory.
   factory WalletCategory.fromJson(Map<String, dynamic> json) =>
       _$WalletCategoryFromJson(json);
 
+  /// Expense or income
+  final EntryType type;
+
+  /// User-defined name
+  String name;
+
+  /// Unique identificator of the category
+  final int id;
+
+  /// Selected Icon for the category
+  @JsonKey(fromJson: _iconDataFromJson, toJson: _iconDataToJson)
+  IconData icon;
+
   /// Connect the generated [_$PersonToJson] function to the `toJson` method.
   Map<String, dynamic> toJson() => _$WalletCategoryToJson(this);
 
@@ -34,7 +43,15 @@ class WalletCategory {
 
 Map<String, dynamic> _iconDataToJson(IconData icon) =>
     {'codepoint': icon.codePoint, 'family': icon.fontFamily};
-IconData _iconDataFromJson(Map<String, dynamic> data) =>
-    IconData(data['codepoint'], fontFamily: data['family']);
 
-enum EntryType { expense, income }
+IconData _iconDataFromJson(Map<String, dynamic> data) =>
+    IconData(data['codepoint'] as int, fontFamily: data['family'] as String?);
+
+/// Type of entry, either expense or income
+enum EntryType {
+  /// Expense
+  expense,
+
+  /// Income
+  income
+}

lib/api/entry_data.dart

@@ -1,16 +1,25 @@
 import 'package:json_annotation/json_annotation.dart';
 part 'entry_data.g.dart';
 
+/// Contains raw data
 @JsonSerializable()
 class EntryData {
-  String name;
+  /// Contains raw data
-  String description;
-  double amount;
-
   EntryData({required this.name, required this.amount, this.description = ""});
 
+  /// Connects generated fromJson function
   factory EntryData.fromJson(Map<String, dynamic> json) =>
       _$EntryDataFromJson(json);
 
+  /// Name of entry
+  String name;
+
+  /// Optional description, default is empty
+  String description;
+
+  /// Amount for entry
+  double amount;
+
+  /// Connects generated toJson function
   Map<String, dynamic> toJson() => _$EntryDataToJson(this);
 }

lib/api/wallet.dart

@@ -7,27 +7,41 @@ part 'wallet.g.dart';
 Currency _currencyFromJson(Map<String, dynamic> data) =>
     Currency.from(json: data);
 
+/// Represents a single wallet
+///
+/// A wallet stores [WalletSingleEntry]s categorized under [WalletCategory]s
 @JsonSerializable()
 class Wallet {
-  final String name;
+  /// A wallet stores [WalletSingleEntry]s categorized under [WalletCategory]s
-  final List<WalletCategory> categories;
-  final List<WalletSingleEntry> entries;
-  double starterBalance;
-  @JsonKey(fromJson: _currencyFromJson)
-  final Currency currency;
-
   Wallet(
       {required this.name,
       required this.currency,
       this.categories = const [],
       this.entries = const [],
-      this.starterBalance = 0});
+      this.starterBalance = 0,});
 
-  /// Connect the generated [_$WalletEntry] function to the `fromJson`
+  /// Connects generated fromJson function
-  /// factory.
   factory Wallet.fromJson(Map<String, dynamic> json) => _$WalletFromJson(json);
 
-  /// Connect the generated [_$PersonToJson] function to the `toJson` method.
+  /// Name of the wallet
+  final String name;
+
+  /// A list of available categories
+  final List<WalletCategory> categories;
+
+  /// List of saved entries
+  final List<WalletSingleEntry> entries;
+
+  /// The starting balance of the wallet
+  ///
+  /// Used to calculate current balance
+  double starterBalance;
+
+  /// Selected currency
+  @JsonKey(fromJson: _currencyFromJson)
+  final Currency currency;
+
+  /// Connects generated toJson function
   Map<String, dynamic> toJson() => _$WalletToJson(this);
 
   /// Getter for the next unused unique number ID in the wallet's entry list
@@ -39,13 +53,14 @@ class Wallet {
     return id;
   }
 
+  /// Empty wallet used for placeholders
   static final Wallet empty = Wallet(
     name: "Empty",
     currency: Currency.from(
       json: {
         "code": "USD",
         "name": "United States Dollar",
-        "symbol": "\$",
+        "symbol": r"$",
         "flag": "USD",
         "decimal_digits": 2,
         "number": 840,

lib/api/wallet.g.dart

@@ -15,7 +15,7 @@ Wallet _$WalletFromJson(Map<String, dynamic> json) => Wallet(
           const [],
       entries: (json['entries'] as List<dynamic>?)
               ?.map(
-                  (e) => WalletSingleEntry.fromJson(e as Map<String, dynamic>))
+                  (e) => WalletSingleEntry.fromJson(e as Map<String, dynamic>),)
               .toList() ??
           const [],
       starterBalance: (json['starterBalance'] as num?)?.toDouble() ?? 0,

lib/api/walletentry.dart

@@ -1,30 +1,40 @@
-import 'package:prasule/api/category.dart';
 import 'package:json_annotation/json_annotation.dart';
+import 'package:prasule/api/category.dart';
 import 'package:prasule/api/entry_data.dart';
+
 part 'walletentry.g.dart';
 
 @JsonSerializable()
 
 /// This is an entry containing a single item
 class WalletSingleEntry {
-  EntryType type;
+  /// This is an entry containing a single item
-  EntryData data;
-  DateTime date;
-  WalletCategory category;
-  int id;
-
   WalletSingleEntry(
       {required this.data,
       required this.type,
       required this.date,
       required this.category,
-      required this.id});
+      required this.id,});
 
-  /// Connect the generated [_$WalletEntry] function to the `fromJson`
+  /// Connects generated fromJson function
-  /// factory.
   factory WalletSingleEntry.fromJson(Map<String, dynamic> json) =>
       _$WalletSingleEntryFromJson(json);
 
-  /// Connect the generated [_$WalletEntryToJson] function to the `toJson` method.
+  /// Expense or income
+  EntryType type;
+
+  /// Actual entry data
+  EntryData data;
+
+  /// Date of entry creation
+  DateTime date;
+
+  /// Selected category
+  WalletCategory category;
+
+  /// Unique entry ID
+  int id;
+
+  /// Connects generated toJson function
   Map<String, dynamic> toJson() => _$WalletSingleEntryToJson(this);
 }

lib/api/walletmanager.dart

@@ -4,15 +4,18 @@ import 'dart:io';
 import 'package:path_provider/path_provider.dart';
 import 'package:prasule/api/wallet.dart';
 
+/// Used for [Wallet]-managing operations
 class WalletManager {
+  /// Returns a list of all [Wallet]s
   static Future<List<Wallet>> listWallets() async {
-    var path =
+    final path =
         Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
     if (!path.existsSync()) {
       path.createSync();
     }
-    var wallets = <Wallet>[];
+    final wallets = <Wallet>[];
-    for (var w in path.listSync().map((e) => e.path.split("/").last).toList()) {
+    for (final w
+        in path.listSync().map((e) => e.path.split("/").last).toList()) {
       try {
         wallets.add(await loadWallet(w));
       } catch (e) {
@@ -22,23 +25,26 @@ class WalletManager {
     return wallets;
   }
 
+  /// Loads and returns a single [Wallet] by name
   static Future<Wallet> loadWallet(String name) async {
-    var path =
+    final path =
         Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
-    var wallet = File("${path.path}/$name");
+    final wallet = File("${path.path}/$name");
     if (!path.existsSync()) {
       path.createSync();
     }
     if (!wallet.existsSync()) {
       return Future.error("Wallet does not exist");
     }
-    return Wallet.fromJson(jsonDecode(wallet.readAsStringSync()));
+    return Wallet.fromJson(
+        jsonDecode(wallet.readAsStringSync()) as Map<String, String>,);
   }
 
+  /// Converts [Wallet] to JSON and saves it to AppData
   static Future<bool> saveWallet(Wallet w) async {
-    var path =
+    final path =
         Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
-    var wallet = File("${path.path}/${w.name}");
+    final wallet = File("${path.path}/${w.name}");
     if (!path.existsSync()) {
       path.createSync();
     }
@@ -47,10 +53,10 @@ class WalletManager {
     return true;
   }
 
+  /// Deletes the corresponding [Wallet] file
   static Future<void> deleteWallet(Wallet w) async {
-    var path =
+    final path =
         Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
-    var wallet = File("${path.path}/${w.name}");
+    File("${path.path}/${w.name}").deleteSync();
-    wallet.deleteSync();
   }
 }

lib/l10n/app_cs.arb

@@ -74,6 +74,8 @@
     "barChart":"Sloupcový",
     "selectType":"Zvolte typ",
     "enableYou":"Povolit Material You (Může vyžadovat restart aplikace)",
-    "enableYouDesc":"Aplikace použije barevné schéma z vaší tapety"
+    "enableYouDesc":"Aplikace použije barevné schéma z vaší tapety",
+    "editCategories":"Upravit kategorie",
+    "editCategoriesDesc":"Přidat, upravit nebo odebrat kategorii z peněženky"
 
 }

lib/l10n/app_en.arb

@@ -154,5 +154,7 @@
     "barChart":"Bar chart",
     "selectType":"Select type",
     "enableYou":"Enable Material You (May require an app restart)",
-    "enableYouDesc":"The app will use a color scheme from your wallpaper"
+    "enableYouDesc":"The app will use a color scheme from your wallpaper",
+    "editCategories":"Edit categories",
+    "editCategoriesDesc":"Add, edit or remove categories from a wallet"
 }

lib/main.dart

@@ -3,25 +3,37 @@ import 'dart:io';
 import 'package:dynamic_color/dynamic_color.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:logger/logger.dart';
 import 'package:prasule/util/color_schemes.g.dart';
 import 'package:prasule/views/home.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 var _materialYou = false;
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
-  var s = await SharedPreferences.getInstance();
+  final s = await SharedPreferences.getInstance();
+
+  if (!Platform.isAndroid) {
+    await s.setBool("useMaterialYou", false);
+  }
+
   _materialYou = s.getBool("useMaterialYou") ?? true;
   runApp(const MyApp());
 }
 
+/// Global logger for debugging
 final logger = Logger();
 
+/// The application itself
 class MyApp extends StatelessWidget {
+  /// The application itself
   const MyApp({super.key});
+
+  /// If Material You was applied
+  ///
+  /// Used to check if it is supported
   static bool appliedYou = false;
   // This widget is the root of your application.
   @override
@@ -35,21 +47,21 @@ class MyApp extends StatelessWidget {
                 localizationsDelegates: const [
                   AppLocalizations.delegate,
                   ...GlobalMaterialLocalizations.delegates,
-                  ...GlobalCupertinoLocalizations.delegates
+                  ...GlobalCupertinoLocalizations.delegates,
                 ],
                 supportedLocales: AppLocalizations.supportedLocales,
                 title: 'Prašule',
                 theme: ThemeData(
-                  colorScheme: (_materialYou)
+                  colorScheme: _materialYou
                       ? light ?? lightColorScheme
                       : lightColorScheme,
                   useMaterial3: true,
                 ),
                 darkTheme: ThemeData(
                   useMaterial3: true,
-                    colorScheme: (_materialYou)
+                  colorScheme:
-                        ? dark ?? darkColorScheme
+                      _materialYou ? dark ?? darkColorScheme : darkColorScheme,
-                        : darkColorScheme),
+                ),
                 home: const HomeView(),
               );
             },
@@ -57,10 +69,11 @@ class MyApp extends StatelessWidget {
         : Theme(
             data: ThemeData(
               useMaterial3: true,
-                colorScheme: (MediaQuery.of(context).platformBrightness ==
+              colorScheme:
-                        Brightness.dark)
+                  (MediaQuery.of(context).platformBrightness == Brightness.dark)
                       ? darkColorScheme
-                    : lightColorScheme),
+                      : lightColorScheme,
+            ),
             child: const CupertinoApp(
               title: 'Prašule',
               home: HomeView(),

lib/network/tessdata.dart

@@ -4,40 +4,48 @@ import 'package:dio/dio.dart';
 import 'package:flutter_tesseract_ocr/flutter_tesseract_ocr.dart';
 import 'package:prasule/main.dart';
 
+/// Used for communication with my repo mirror
+///
+/// Downloads Tessdata for OCR
 class TessdataApi {
   static final Dio _client = Dio(
     BaseOptions(
       validateStatus: (status) => true,
     ),
   );
+
+  /// Gets available languages from the repo
   static Future<List<String>> getAvailableData() async {
-    var res = await _client.get(
+    final res = await _client.get<List<Map<String, dynamic>>>(
       "https://git.mnau.xyz/api/v1/repos/hernik/tessdata_fast/contents",
-        options: Options(headers: {"Accept": "application/json"}));
+      options: Options(headers: {"Accept": "application/json"}),
+    );
     if ((res.statusCode ?? 500) > 399) {
       return Future.error("The server returned status code ${res.statusCode}");
     }
-    var data = res.data;
+    final data = res.data;
     final dataFiles = <String>[];
-    for (var file in data) {
+    for (final file in data ?? <Map<String, dynamic>>[]) {
-      if (!file["name"].endsWith(".traineddata")) continue;
+      if (!(file["name"] as String).endsWith(".traineddata")) continue;
-      dataFiles.add(file["name"].replaceAll(".traineddata", ""));
+      dataFiles.add((file["name"] as String).replaceAll(".traineddata", ""));
     }
     return dataFiles;
   }
 
+  /// Deletes data from device
   static Future<void> deleteData(String name) async {
-    var dataDir = Directory(await FlutterTesseractOcr.getTessdataPath());
+    final dataDir = Directory(await FlutterTesseractOcr.getTessdataPath());
     if (!dataDir.existsSync()) {
       dataDir.createSync();
     }
-    var dataFile = File("${dataDir.path}/$name.traineddata");
+    final dataFile = File("${dataDir.path}/$name.traineddata");
     if (!dataFile.existsSync()) return;
     dataFile.deleteSync();
   }
 
+  /// Finds existing data on the device
   static Future<List<String>> getDownloadedData() async {
-    var tessDir = Directory(await FlutterTesseractOcr.getTessdataPath());
+    final tessDir = Directory(await FlutterTesseractOcr.getTessdataPath());
     if (!tessDir.existsSync()) {
       tessDir.createSync();
     }
@@ -48,25 +56,29 @@ class TessdataApi {
         .toList();
   }
 
-  static Future<void> downloadData(String isoCode,
+  /// Downloads data from the repo to the device
-      {void Function(int, int)? callback}) async {
+  static Future<void> downloadData(
-    var tessDir = Directory(await FlutterTesseractOcr.getTessdataPath());
+    String isoCode, {
+    void Function(int, int)? callback,
+  }) async {
+    final tessDir = Directory(await FlutterTesseractOcr.getTessdataPath());
     if (!tessDir.existsSync()) {
       tessDir.createSync();
     }
-    var file = File("${tessDir.path}/$isoCode.traineddata");
+    final file = File("${tessDir.path}/$isoCode.traineddata");
     if (file.existsSync()) return; // TODO: maybe ask to redownload?
-    var res = await _client.get(
+    final res = await _client.get<List<int>>(
       "https://git.mnau.xyz/hernik/tessdata_fast/raw/branch/main/$isoCode.traineddata",
       options: Options(responseType: ResponseType.bytes),
-        onReceiveProgress: callback);
+      onReceiveProgress: callback,
+    );
     if ((res.statusCode ?? 500) > 399) {
       return Future.error("The server returned status code ${res.statusCode}");
     }
     try {
-      var writefile = file.openSync(mode: FileMode.write);
+      file.openSync(mode: FileMode.write)
-      writefile.writeFromSync(res.data);
+        ..writeFromSync(res.data!)
-      writefile.closeSync();
+        ..closeSync();
     } catch (e) {
       logger.e(e);
       return Future.error("Could not complete writing file");

lib/pw/platformbutton.dart

@@ -1,13 +1,20 @@
+// ignore_for_file: public_member_api_docs
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:prasule/pw/platformwidget.dart';
 
+/// A [PlatformWidget] implementation of a text field
 class PlatformButton extends PlatformWidget<TextButton, CupertinoButton> {
+  const PlatformButton({
+    required this.text,
+    required this.onPressed,
+    super.key,
+    this.style,
+  });
   final String text;
   final void Function()? onPressed;
   final ButtonStyle? style;
-  const PlatformButton(
-      {super.key, required this.text, required this.onPressed, this.style});
 
   @override
   TextButton createAndroidWidget(BuildContext context) => TextButton(

lib/pw/platformdialog.dart

@@ -1,13 +1,16 @@
+// ignore_for_file: public_member_api_docs
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:prasule/pw/platformwidget.dart';
 
+/// A [PlatformWidget] implementation of a dialog
 class PlatformDialog extends PlatformWidget<AlertDialog, CupertinoAlertDialog> {
+  const PlatformDialog(
+      {required this.title, super.key, this.content, this.actions = const [],});
   final String title;
   final Widget? content;
   final List<Widget> actions;
-  const PlatformDialog(
-      {super.key, required this.title, this.content, this.actions = const []});
 
   @override
   AlertDialog createAndroidWidget(BuildContext context) => AlertDialog(

lib/pw/platformfield.dart

@@ -1,9 +1,27 @@
+// ignore_for_file: public_member_api_docs
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:prasule/pw/platformwidget.dart';
 
+/// A [PlatformWidget] implementation of a text field
 class PlatformField extends PlatformWidget<TextField, CupertinoTextField> {
+  const PlatformField({
+    super.key,
+    this.controller,
+    this.enabled,
+    this.labelText,
+    this.obscureText = false,
+    this.autocorrect = false,
+    this.keyboardType,
+    this.inputFormatters = const [],
+    this.onChanged,
+    this.autofillHints,
+    this.textStyle,
+    this.textAlign = TextAlign.start,
+    this.maxLines = 1,
+  });
   final TextEditingController? controller;
   final bool? enabled;
   final bool obscureText;
@@ -16,20 +34,6 @@ class PlatformField extends PlatformWidget<TextField, CupertinoTextField> {
   final TextStyle? textStyle;
   final TextAlign textAlign;
   final int? maxLines;
-  const PlatformField(
-      {super.key,
-      this.controller,
-      this.enabled,
-      this.labelText,
-      this.obscureText = false,
-      this.autocorrect = false,
-      this.keyboardType,
-      this.inputFormatters = const [],
-      this.onChanged,
-      this.autofillHints,
-      this.textStyle,
-      this.textAlign = TextAlign.start,
-      this.maxLines = 1});
 
   @override
   TextField createAndroidWidget(BuildContext context) => TextField(
@@ -39,7 +43,8 @@ class PlatformField extends PlatformWidget<TextField, CupertinoTextField> {
         obscureText: obscureText,
         decoration: InputDecoration(
           labelText: labelText,
-            border: OutlineInputBorder(borderRadius: BorderRadius.circular(4))),
+          border: OutlineInputBorder(borderRadius: BorderRadius.circular(4)),
+        ),
         autocorrect: autocorrect,
         keyboardType: keyboardType,
         style: textStyle,

lib/pw/platformroute.dart

@@ -3,7 +3,10 @@ import 'dart:io';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
-Route<T> platformRoute<T>(Widget Function(BuildContext) builder) =>
+/// Creates a PageRoute based on [Platform]
+Route<T> platformRoute<T extends Object?>(
+  Widget Function(BuildContext) builder,
+) =>
     (Platform.isIOS)
         ? CupertinoPageRoute<T>(builder: builder)
         : MaterialPageRoute<T>(builder: builder);

lib/pw/platformwidget.dart

@@ -5,6 +5,7 @@ import 'package:flutter/material.dart';
 /// Abstract class used to create widgets for the respective platform UI library
 abstract class PlatformWidget<A extends Widget, I extends Widget>
     extends StatelessWidget {
+  /// Abstract class used to create widgets for the respective platform UI library
   const PlatformWidget({super.key});
 
   @override
@@ -16,7 +17,9 @@ abstract class PlatformWidget<A extends Widget, I extends Widget>
     }
   }
 
+  /// The widget that will be shown on Android
   A createAndroidWidget(BuildContext context);
 
+  /// The widget that will be shown on iOS
   I createIosWidget(BuildContext context);
 }

lib/util/color_schemes.g.dart

@@ -1,3 +1,5 @@
+// ignore_for_file: public_member_api_docs
+
 import 'package:flutter/material.dart';
 
 const lightColorScheme = ColorScheme(

lib/util/graphs.dart

@@ -2,37 +2,55 @@ import 'package:currency_picker/currency_picker.dart';
 import 'package:dynamic_color/dynamic_color.dart';
 import 'package:fl_chart/fl_chart.dart';
 import 'package:flutter/material.dart';
-import 'package:intl/intl.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:intl/intl.dart';
 
 /// Monthly/Yearly expense/income [LineChart]
 class ExpensesLineChart extends StatelessWidget {
-  const ExpensesLineChart(
+  /// Monthly/Yearly expense/income [LineChart]
-      {super.key,
+  const ExpensesLineChart({
     required this.date,
     required this.locale,
     required this.expenseData,
     required this.incomeData,
     required this.currency,
-      this.yearly = false});
+    super.key,
+    this.yearly = false,
+  });
+
+  /// If the graph will be shown yearly
   final bool yearly;
+
+  /// Selected date
+  ///
+  /// Used to get either month or year
   final DateTime date;
+
+  /// Current locale
+  ///
+  /// Used mainly for formatting
   final String locale;
+
+  /// The expense data used for the graph
   final List<double> expenseData;
+
+  /// Wallet currency
+  ///
+  /// Used to show currency symbol
   final Currency currency;
-  List<double> get expenseDataSorted {
-    var list = List<double>.from(expenseData);
-    list.sort((a, b) => a.compareTo(b));
-    return list;
-  }
 
+  /// Expense data, but sorted
+  List<double> get expenseDataSorted =>
+      List<double>.from(expenseData)..sort((a, b) => a.compareTo(b));
+
+  /// Income data used for the graph
   final List<double> incomeData;
-  List<double> get incomeDataSorted {
-    var list = List<double>.from(incomeData);
-    list.sort((a, b) => a.compareTo(b));
-    return list;
-  }
 
+  /// Income data, but sorted
+  List<double> get incomeDataSorted =>
+      List<double>.from(incomeData)..sort((a, b) => a.compareTo(b));
+
+  /// Calculates maxY for the graph
   double get maxY {
     if (incomeData.isEmpty) return expenseDataSorted.last;
     if (expenseData.isEmpty) return incomeDataSorted.last;
@@ -55,35 +73,45 @@ class ExpensesLineChart extends StatelessWidget {
                 (spots[index].barIndex == 0)
                     ? (yearly
                         ? AppLocalizations.of(context).incomeForMonth(
-                            DateFormat.MMMM(locale).format(DateTime(
+                            DateFormat.MMMM(locale).format(
-                                date.year, spots[index].x.toInt() + 1, 1)),
+                              DateTime(
+                                date.year,
+                                spots[index].x.toInt() + 1,
+                              ),
+                            ),
                             NumberFormat.compactCurrency(
                               locale: locale,
                               symbol: currency.symbol,
-                                    name: currency.name)
+                              name: currency.name,
-                                .format(spots[index].y))
+                            ).format(spots[index].y),
+                          )
                         : AppLocalizations.of(context).incomeForDay(
                             NumberFormat.compactCurrency(
                               locale: locale,
                               symbol: currency.symbol,
-                                    name: currency.name)
+                              name: currency.name,
-                                .format(spots[index].y),
+                            ).format(spots[index].y),
                           ))
                     : (yearly
                         ? AppLocalizations.of(context).expensesForMonth(
-                            DateFormat.MMMM(locale).format(DateTime(
+                            DateFormat.MMMM(locale).format(
-                                date.year, spots[index].x.toInt() + 1, 1)),
+                              DateTime(
+                                date.year,
+                                spots[index].x.toInt() + 1,
+                              ),
+                            ),
                             NumberFormat.compactCurrency(
                               locale: locale,
                               symbol: currency.symbol,
-                                    name: currency.name)
+                              name: currency.name,
-                                .format(spots[index].y))
+                            ).format(spots[index].y),
+                          )
                         : AppLocalizations.of(context).expensesForDay(
                             NumberFormat.compactCurrency(
                               locale: locale,
                               symbol: currency.symbol,
-                                    name: currency.name)
+                              name: currency.name,
-                                .format(spots[index].y),
+                            ).format(spots[index].y),
                           )),
                 TextStyle(color: spots[index].bar.color),
               ),
@@ -91,7 +119,7 @@ class ExpensesLineChart extends StatelessWidget {
           ),
         ),
         maxY: maxY,
-        maxX: (yearly) ? 12 : DateTime(date.year, date.month, 0).day.toDouble(),
+        maxX: yearly ? 12 : DateTime(date.year, date.month, 0).day.toDouble(),
         minY: 0,
         minX: 0,
         backgroundColor: Theme.of(context).colorScheme.background,
@@ -102,11 +130,11 @@ class ExpensesLineChart extends StatelessWidget {
               barWidth: 8,
               isStrokeCapRound: true,
               dotData: const FlDotData(show: false),
-              belowBarData: BarAreaData(show: false),
+              belowBarData: BarAreaData(),
               color: Colors.green
                   .harmonizeWith(Theme.of(context).colorScheme.secondary),
               spots: List.generate(
-                (yearly) ? 12 : DateTime(date.year, date.month, 0).day,
+                yearly ? 12 : DateTime(date.year, date.month, 0).day,
                 (index) => FlSpot(index.toDouble(), incomeData[index]),
               ),
             ),
@@ -116,22 +144,18 @@ class ExpensesLineChart extends StatelessWidget {
               barWidth: 8,
               isStrokeCapRound: true,
               dotData: const FlDotData(show: false),
-              belowBarData: BarAreaData(show: false),
+              belowBarData: BarAreaData(),
               color: Colors.red
                   .harmonizeWith(Theme.of(context).colorScheme.secondary),
               spots: List.generate(
-                (yearly) ? 12 : DateTime(date.year, date.month, 0).day,
+                yearly ? 12 : DateTime(date.year, date.month, 0).day,
                 (index) => FlSpot(index.toDouble() + 1, expenseData[index]),
               ),
             ),
         ], // actual data
         titlesData: FlTitlesData(
-          rightTitles: const AxisTitles(
+          rightTitles: const AxisTitles(),
-            sideTitles: SideTitles(showTitles: false),
+          topTitles: const AxisTitles(),
-          ),
-          topTitles: const AxisTitles(
-            sideTitles: SideTitles(showTitles: false),
-          ),
           bottomTitles: AxisTitles(
             sideTitles: SideTitles(
               reservedSize: 30,
@@ -140,13 +164,15 @@ class ExpensesLineChart extends StatelessWidget {
                 String text;
                 if (yearly) {
                   text = DateFormat.MMM(locale).format(
-                    DateTime(date.year, value.toInt() + 1, 1),
+                    DateTime(date.year, value.toInt() + 1),
                   );
                 } else {
                   text = (value.toInt() + 1).toString();
                 }
                 return SideTitleWidget(
-                    axisSide: meta.axisSide, child: Text(text));
+                  axisSide: meta.axisSide,
+                  child: Text(text),
+                );
               },
             ),
           ),
@@ -156,34 +182,52 @@ class ExpensesLineChart extends StatelessWidget {
   }
 }
 
+/// Renders expenses/income as a [BarChart]
 class ExpensesBarChart extends StatelessWidget {
-  const ExpensesBarChart(
+  /// Renders expenses/income as a [BarChart]
-      {super.key,
+  const ExpensesBarChart({
     required this.yearly,
     required this.date,
     required this.locale,
     required this.expenseData,
     required this.incomeData,
-      required this.currency});
+    required this.currency,
-  final bool yearly;
+    super.key,
-  final DateTime date;
+  });
-  final String locale;
-  final List<double> expenseData;
-  List<double> get expenseDataSorted {
-    var list = List<double>.from(expenseData);
-    list.sort((a, b) => a.compareTo(b));
-    return list;
-  }
 
+  /// If the graph will be shown yearly
+  final bool yearly;
+
+  /// Selected date
+  ///
+  /// Used to get either month or year
+  final DateTime date;
+
+  /// Current locale
+  ///
+  /// Used mainly for formatting
+  final String locale;
+
+  /// The expense data used for the graph
+  final List<double> expenseData;
+
+  /// Wallet currency
+  ///
+  /// Used to show currency symbol
   final Currency currency;
 
-  final List<double> incomeData;
+  /// Expense data, but sorted
-  List<double> get incomeDataSorted {
+  List<double> get expenseDataSorted =>
-    var list = List<double>.from(incomeData);
+      List<double>.from(expenseData)..sort((a, b) => a.compareTo(b));
-    list.sort((a, b) => a.compareTo(b));
-    return list;
-  }
 
+  /// Income data used for the graph
+  final List<double> incomeData;
+
+  /// Income data, but sorted
+  List<double> get incomeDataSorted =>
+      List<double>.from(incomeData)..sort((a, b) => a.compareTo(b));
+
+  /// Calculates maxY for the graph
   double get maxY {
     if (incomeData.isEmpty) return expenseDataSorted.last;
     if (expenseData.isEmpty) return incomeDataSorted.last;
@@ -201,26 +245,28 @@ class ExpensesBarChart extends StatelessWidget {
             enabled: true,
             touchTooltipData: BarTouchTooltipData(
               getTooltipItem: (group, groupIndex, rod, rodIndex) =>
-                  (yearly) // create custom tooltips for graph bars
+                  yearly // create custom tooltips for graph bars
                       ? BarTooltipItem(
                           (rodIndex == 1)
                               ? AppLocalizations.of(context).expensesForMonth(
                                   DateFormat.MMMM(locale).format(
-                                      DateTime(date.year, groupIndex + 1, 1)),
+                                    DateTime(date.year, groupIndex + 1),
+                                  ),
                                   NumberFormat.compactCurrency(
                                     locale: locale,
                                     symbol: currency.symbol,
-                                          name: currency.name)
+                                    name: currency.name,
-                                      .format(rod.toY),
+                                  ).format(rod.toY),
                                 )
                               : AppLocalizations.of(context).incomeForMonth(
                                   DateFormat.MMMM(locale).format(
-                                      DateTime(date.year, groupIndex + 1, 1)),
+                                    DateTime(date.year, groupIndex + 1),
+                                  ),
                                   NumberFormat.compactCurrency(
                                     locale: locale,
                                     symbol: currency.symbol,
-                                          name: currency.name)
+                                    name: currency.name,
-                                      .format(rod.toY),
+                                  ).format(rod.toY),
                                 ),
                           TextStyle(color: rod.color),
                         )
@@ -230,27 +276,23 @@ class ExpensesBarChart extends StatelessWidget {
                                   NumberFormat.compactCurrency(
                                     locale: locale,
                                     symbol: currency.symbol,
-                                          name: currency.name)
+                                    name: currency.name,
-                                      .format(rod.toY),
+                                  ).format(rod.toY),
                                 )
                               : AppLocalizations.of(context).incomeForDay(
                                   NumberFormat.compactCurrency(
                                     locale: locale,
                                     symbol: currency.symbol,
-                                          name: currency.name)
+                                    name: currency.name,
-                                      .format(rod.toY),
+                                  ).format(rod.toY),
                                 ),
                           TextStyle(color: rod.color),
                         ),
             ),
           ),
           titlesData: FlTitlesData(
-            rightTitles: const AxisTitles(
+            rightTitles: const AxisTitles(),
-              sideTitles: SideTitles(showTitles: false),
+            topTitles: const AxisTitles(),
-            ),
-            topTitles: const AxisTitles(
-              sideTitles: SideTitles(showTitles: false),
-            ),
             bottomTitles: AxisTitles(
               sideTitles: SideTitles(
                 showTitles: true,
@@ -259,13 +301,15 @@ class ExpensesBarChart extends StatelessWidget {
                   String text;
                   if (yearly) {
                     text = DateFormat.MMM(locale).format(
-                      DateTime(date.year, value.toInt() + 1, 1),
+                      DateTime(date.year, value.toInt() + 1),
                     );
                   } else {
                     text = (value.toInt() + 1).toString();
                   }
                   return SideTitleWidget(
-                      axisSide: meta.axisSide, child: Text(text));
+                    axisSide: meta.axisSide,
+                    child: Text(text),
+                  );
                 },
               ),
             ),
@@ -273,7 +317,7 @@ class ExpensesBarChart extends StatelessWidget {
           minY: 0,
           maxY: maxY,
           barGroups: List<BarChartGroupData>.generate(
-            (yearly) ? 12 : DateTime(date.year, date.month, 0).day,
+            yearly ? 12 : DateTime(date.year, date.month, 0).day,
             (index) => BarChartGroupData(
               x: index,
               barRods: [

lib/views/create_entry.dart

@@ -1,18 +1,26 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:prasule/api/category.dart';
 import 'package:prasule/api/entry_data.dart';
-import 'package:prasule/api/walletentry.dart';
 import 'package:prasule/api/wallet.dart';
+import 'package:prasule/api/walletentry.dart';
 import 'package:prasule/api/walletmanager.dart';
 import 'package:prasule/pw/platformbutton.dart';
 import 'package:prasule/pw/platformfield.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
+/// Used when user wants to add new entry
 class CreateEntryView extends StatefulWidget {
+  /// Used when user wants to add new entry
+  const CreateEntryView({required this.w, super.key, this.editEntry});
+
+  /// The wallet, where the entry will be saved to
   final Wallet w;
+
+  /// Entry we want to edit
+  ///
+  /// Is null unless we are editing an existing entry
   final WalletSingleEntry? editEntry;
-  const CreateEntryView({super.key, required this.w, this.editEntry});
 
   @override
   State<CreateEntryView> createState() => _CreateEntryViewState();
@@ -31,7 +39,8 @@ class _CreateEntryViewState extends State<CreateEntryView> {
         data: EntryData(amount: 0, name: ""),
         type: EntryType.expense,
         date: DateTime.now(),
-          category: widget.w.categories.first);
+        category: widget.w.categories.first,
+      );
     }
     setState(() {});
   }
@@ -68,12 +77,14 @@ class _CreateEntryViewState extends State<CreateEntryView> {
                   child: PlatformField(
                     labelText: AppLocalizations.of(context).amount,
                     controller: TextEditingController(
-                        text: newEntry.data.amount.toString()),
+                      text: newEntry.data.amount.toString(),
+                    ),
                     keyboardType:
                         const TextInputType.numberWithOptions(decimal: true),
                     inputFormatters: [
                       FilteringTextInputFormatter.allow(
-                          RegExp(r'\d+[\.,]{0,1}\d{0,}'))
+                        RegExp(r'\d+[\.,]{0,1}\d{0,}'),
+                      ),
                     ],
                     onChanged: (v) {
                       newEntry.data.amount = double.parse(v);
@@ -159,7 +170,8 @@ class _CreateEntryViewState extends State<CreateEntryView> {
                   constraints: BoxConstraints(
                     minWidth: MediaQuery.of(context).size.width * 0.8,
                     maxWidth: MediaQuery.of(context).size.width * 0.8,
-                      maxHeight: 300),
+                    maxHeight: 300,
+                  ),
                   child: PlatformField(
                     keyboardType: TextInputType.multiline,
                     maxLines: null,
@@ -181,8 +193,8 @@ class _CreateEntryViewState extends State<CreateEntryView> {
                       ScaffoldMessenger.of(context).clearSnackBars();
                       ScaffoldMessenger.of(context).showSnackBar(
                         SnackBar(
-                          content: Text(
+                          content:
-                              AppLocalizations.of(context).errorEmptyName),
+                              Text(AppLocalizations.of(context).errorEmptyName),
                         ),
                       );
                       return;
@@ -196,7 +208,7 @@ class _CreateEntryViewState extends State<CreateEntryView> {
                       (value) => Navigator.of(context).pop(widget.w),
                     ); // TODO loading circle?
                   },
-                )
+                ),
               ],
             ),
           ),

lib/views/graph_view.dart

@@ -1,4 +1,7 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:intl/intl.dart';
 import 'package:prasule/api/category.dart';
 import 'package:prasule/api/wallet.dart';
@@ -8,12 +11,13 @@ import 'package:prasule/pw/platformbutton.dart';
 import 'package:prasule/pw/platformroute.dart';
 import 'package:prasule/util/drawer.dart';
 import 'package:prasule/util/graphs.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:prasule/views/settings/settings.dart';
 import 'package:prasule/views/setup.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
+/// Shows data from a [Wallet] in graphs
 class GraphView extends StatefulWidget {
+  /// Shows data from a [Wallet] in graphs
   const GraphView({super.key});
 
   @override
@@ -25,8 +29,8 @@ class _GraphViewState extends State<GraphView> {
   Wallet? selectedWallet;
   List<Wallet> wallets = [];
   String? locale;
-  var yearlyBtnSet = {"monthly"};
+  Set<String> yearlyBtnSet = {"monthly"};
-  var graphTypeSet = {"expense", "income"};
+  Set<String> graphTypeSet = {"expense", "income"};
   bool get yearly => yearlyBtnSet.contains("yearly");
 
   @override
@@ -36,23 +40,24 @@ class _GraphViewState extends State<GraphView> {
   }
 
   List<double> generateChartData(EntryType type) {
-    var data = List<double>.filled(
+    final data = List<double>.filled(
-        (yearly)
+      yearly ? 12 : DateTime(_selectedDate.year, _selectedDate.month, 0).day,
-            ? 12
+      0,
-            : DateTime(_selectedDate.year, _selectedDate.month, 0).day,
+    );
-        0.0);
     if (selectedWallet == null) return [];
     for (var i = 0; i < data.length; i++) {
-      var entriesForRange = selectedWallet!.entries.where((element) =>
+      final entriesForRange = selectedWallet!.entries.where(
+        (element) =>
             ((!yearly)
                 ? element.date.month == _selectedDate.month &&
                     element.date.year == _selectedDate.year &&
                     element.date.day == i + 1
                 : element.date.month == i + 1 &&
                     element.date.year == _selectedDate.year) &&
-          element.type == type);
+            element.type == type,
+      );
       var sum = 0.0;
-      for (var e in entriesForRange) {
+      for (final e in entriesForRange) {
         sum += e.data.amount;
       }
       data[i] = sum;
@@ -60,11 +65,13 @@ class _GraphViewState extends State<GraphView> {
     return data;
   }
 
-  void loadWallet() async {
+  Future<void> loadWallet() async {
     wallets = await WalletManager.listWallets();
     if (wallets.isEmpty && mounted) {
-      Navigator.of(context).pushReplacement(
+      unawaited(
-          MaterialPageRoute(builder: (c) => const SetupView()));
+        Navigator.of(context)
+            .pushReplacement(platformRoute((c) => const SetupView())),
+      );
       return;
     }
     selectedWallet = wallets.first;
@@ -101,7 +108,7 @@ class _GraphViewState extends State<GraphView> {
             DropdownMenuItem(
               value: -1,
               child: Text(AppLocalizations.of(context).newWallet),
-            )
+            ),
           ],
           onChanged: (v) async {
             if (v == null || v == -1) {
@@ -126,23 +133,24 @@ class _GraphViewState extends State<GraphView> {
           PopupMenuButton(
             itemBuilder: (context) => [
               AppLocalizations.of(context).settings,
-              AppLocalizations.of(context).about
+              AppLocalizations.of(context).about,
             ].map((e) => PopupMenuItem(value: e, child: Text(e))).toList(),
             onSelected: (value) {
               if (value == AppLocalizations.of(context).settings) {
                 Navigator.of(context).push(
-                  MaterialPageRoute(
+                  platformRoute(
-                    builder: (context) => const SettingsView(),
+                    (context) => const SettingsView(),
                   ),
                 );
               } else if (value == AppLocalizations.of(context).about) {
                 showAboutDialog(
                   context: context,
                   applicationLegalese: AppLocalizations.of(context).license,
-                    applicationName: "Prašule");
+                  applicationName: "Prašule",
+                );
               }
             },
-          )
+          ),
         ],
       ),
       drawer: makeDrawer(context, 2),
@@ -193,8 +201,8 @@ class _GraphViewState extends State<GraphView> {
                         selected: yearlyBtnSet,
                         onSelectionChanged: (selection) async {
                           yearlyBtnSet = selection;
-                          var s = await SharedPreferences.getInstance();
+                          final s = await SharedPreferences.getInstance();
-                          chartType = (yearly)
+                          chartType = yearly
                               ? (s.getInt("yearlygraph") ?? 1)
                               : (s.getInt("monthlygraph") ?? 2);
                           setState(() {});
@@ -204,50 +212,54 @@ class _GraphViewState extends State<GraphView> {
                       Container(
                         decoration: BoxDecoration(
                           borderRadius: BorderRadius.circular(8),
-                            color: Theme.of(context)
+                          color:
-                                .colorScheme
+                              Theme.of(context).colorScheme.secondaryContainer,
-                                .secondaryContainer),
+                        ),
                         child: Padding(
-                          padding: const EdgeInsets.all(8.0),
+                          padding: const EdgeInsets.all(8),
                           child: Column(
                             children: [
                               PlatformButton(
                                 style: ButtonStyle(
                                   backgroundColor: MaterialStateProperty.all(
-                                        Theme.of(context).colorScheme.primary),
+                                    Theme.of(context).colorScheme.primary,
+                                  ),
                                   foregroundColor: MaterialStateProperty.all(
-                                        Theme.of(context)
+                                    Theme.of(context).colorScheme.onPrimary,
-                                            .colorScheme
+                                  ),
-                                            .onPrimary)),
+                                ),
-                                text: (yearly)
+                                text: yearly
                                     ? DateFormat.y(locale).format(_selectedDate)
                                     : DateFormat.yMMMM(locale)
                                         .format(_selectedDate),
                                 onPressed: () async {
-                                  var firstDate = (selectedWallet!.entries
+                                  final firstDate = (selectedWallet!.entries
                                         ..sort(
-                                            (a, b) => a.date.compareTo(b.date)))
+                                          (a, b) => a.date.compareTo(b.date),
+                                        ))
                                       .first
                                       .date;
-                                  var lastDate = (selectedWallet!.entries
+                                  final lastDate = (selectedWallet!.entries
                                         ..sort(
-                                            (a, b) => b.date.compareTo(a.date)))
+                                          (a, b) => b.date.compareTo(a.date),
+                                        ))
                                       .first
                                       .date;
-                                  logger.i(firstDate);
+                                  final newDate = await showDatePicker(
-                                  logger.i(lastDate);
-                                  var newDate = await showDatePicker(
                                     context: context,
-                                      initialDate: DateTime(_selectedDate.year,
+                                    initialDate: DateTime(
-                                          _selectedDate.month, 1),
+                                      _selectedDate.year,
+                                      _selectedDate.month,
+                                    ),
                                     firstDate: firstDate,
                                     lastDate: lastDate,
-                                      initialEntryMode: (yearly)
+                                    initialEntryMode: yearly
                                         ? DatePickerEntryMode.input
                                         : DatePickerEntryMode.calendar,
-                                      initialDatePickerMode: (yearly)
+                                    initialDatePickerMode: yearly
                                         ? DatePickerMode.year
-                                          : DatePickerMode.day);
+                                        : DatePickerMode.day,
+                                  );
                                   if (newDate == null) return;
                                   _selectedDate = newDate;
                                   setState(() {});
@@ -270,12 +282,14 @@ class _GraphViewState extends State<GraphView> {
                                             expenseData: (graphTypeSet
                                                     .contains("expense"))
                                                 ? generateChartData(
-                                                    EntryType.expense)
+                                                    EntryType.expense,
+                                                  )
                                                 : [],
                                             incomeData: (graphTypeSet
                                                     .contains("income"))
                                                 ? generateChartData(
-                                                    EntryType.income)
+                                                    EntryType.income,
+                                                  )
                                                 : [],
                                           )
                                         : ExpensesLineChart(
@@ -286,19 +300,21 @@ class _GraphViewState extends State<GraphView> {
                                             expenseData: (graphTypeSet
                                                     .contains("expense"))
                                                 ? generateChartData(
-                                                    EntryType.expense)
+                                                    EntryType.expense,
+                                                  )
                                                 : [],
                                             incomeData: (graphTypeSet
                                                     .contains("income"))
                                                 ? generateChartData(
-                                                    EntryType.income)
+                                                    EntryType.income,
+                                                  )
                                                 : [],
                                           ),
-                              )
+                              ),
                             ],
                           ),
                         ),
-                      )
+                      ),
                     ],
                   ),
                 ),

lib/views/home.dart

@@ -1,6 +1,11 @@
+// ignore_for_file: inference_failure_on_function_invocation
+
+import 'dart:async';
 import 'dart:math';
+
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:flutter_slidable/flutter_slidable.dart';
 import 'package:flutter_speed_dial/flutter_speed_dial.dart';
 import 'package:flutter_tesseract_ocr/flutter_tesseract_ocr.dart';
@@ -10,8 +15,8 @@ import 'package:intl/date_symbol_data_local.dart';
 import 'package:intl/intl.dart';
 import 'package:prasule/api/category.dart';
 import 'package:prasule/api/entry_data.dart';
-import 'package:prasule/api/walletentry.dart';
 import 'package:prasule/api/wallet.dart';
+import 'package:prasule/api/walletentry.dart';
 import 'package:prasule/api/walletmanager.dart';
 import 'package:prasule/main.dart';
 import 'package:prasule/network/tessdata.dart';
@@ -23,9 +28,10 @@ import 'package:prasule/views/create_entry.dart';
 import 'package:prasule/views/settings/settings.dart';
 import 'package:prasule/views/settings/tessdata_list.dart';
 import 'package:prasule/views/setup.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
+/// Main view, shows entries
 class HomeView extends StatefulWidget {
+  /// Main view, shows entries
   const HomeView({super.key});
 
   @override
@@ -50,11 +56,13 @@ class _HomeViewState extends State<HomeView> {
     loadWallet();
   }
 
-  void loadWallet() async {
+  Future<void> loadWallet() async {
     wallets = await WalletManager.listWallets();
     if (wallets.isEmpty && mounted) {
-      Navigator.of(context).pushReplacement(
+      unawaited(
-          MaterialPageRoute(builder: (c) => const SetupView()));
+        Navigator.of(context)
+            .pushReplacement(platformRoute((c) => const SetupView())),
+      );
       return;
     }
     selectedWallet = wallets.first;
@@ -77,7 +85,7 @@ class _HomeViewState extends State<HomeView> {
                 // debug option to quickly fill a wallet with data
                 if (selectedWallet == null) return;
                 selectedWallet!.entries.clear();
-                var random = Random();
+                final random = Random();
                 for (var i = 0; i < 30; i++) {
                   selectedWallet!.entries.add(
                     WalletSingleEntry(
@@ -116,7 +124,7 @@ class _HomeViewState extends State<HomeView> {
             child: const Icon(Icons.edit),
             label: AppLocalizations.of(context).addNew,
             onTap: () async {
-                var sw = await Navigator.of(context).push<Wallet>(
+              final sw = await Navigator.of(context).push<Wallet>(
                 MaterialPageRoute(
                   builder: (c) => CreateEntryView(w: selectedWallet!),
                 ),
@@ -125,14 +133,14 @@ class _HomeViewState extends State<HomeView> {
                 selectedWallet = sw;
               }
               setState(() {});
-              }),
+            },
+          ),
           SpeedDialChild(
             child: const Icon(Icons.camera_alt),
             label: AppLocalizations.of(context).addCamera,
             onTap: () async {
-              final ImagePicker picker = ImagePicker();
+              final picker = ImagePicker();
-              final XFile? media =
+              final media = await picker.pickImage(source: ImageSource.camera);
-                  await picker.pickImage(source: ImageSource.camera);
               logger.i(media?.name);
             },
           ),
@@ -161,7 +169,7 @@ class _HomeViewState extends State<HomeView> {
             DropdownMenuItem(
               value: -1,
               child: Text(AppLocalizations.of(context).newWallet),
-            )
+            ),
           ],
           onChanged: (v) async {
             if (v == null || v == -1) {
@@ -186,23 +194,24 @@ class _HomeViewState extends State<HomeView> {
           PopupMenuButton(
             itemBuilder: (context) => [
               AppLocalizations.of(context).settings,
-              AppLocalizations.of(context).about
+              AppLocalizations.of(context).about,
             ].map((e) => PopupMenuItem(value: e, child: Text(e))).toList(),
             onSelected: (value) {
               if (value == AppLocalizations.of(context).settings) {
                 Navigator.of(context).push(
-                  MaterialPageRoute(
+                  platformRoute(
-                    builder: (context) => const SettingsView(),
+                    (context) => const SettingsView(),
                   ),
                 );
               } else if (value == AppLocalizations.of(context).about) {
                 showAboutDialog(
                   context: context,
                   applicationLegalese: AppLocalizations.of(context).license,
-                    applicationName: "Prašule");
+                  applicationName: "Prašule",
+                );
               }
             },
-          )
+          ),
         ],
       ),
       body: Center(
@@ -216,7 +225,7 @@ class _HomeViewState extends State<HomeView> {
                       width: 40,
                       height: 40,
                       child: CircularProgressIndicator(),
-                    )
+                    ),
                   ],
                 )
               : (selectedWallet!.entries.isEmpty)
@@ -231,44 +240,46 @@ class _HomeViewState extends State<HomeView> {
                         ),
                         Text(
                           AppLocalizations.of(context).noEntriesSub,
-                        )
+                        ),
                       ],
                     )
                   : GroupedListView(
                       groupHeaderBuilder: (element) => Text(
                         DateFormat.yMMMM(locale).format(element.date),
                         style: TextStyle(
-                            color: Theme.of(context).colorScheme.primary),
+                          color: Theme.of(context).colorScheme.primary,
+                        ),
                       ),
                       elements: selectedWallet!.entries,
                       itemComparator: (a, b) => b.date.compareTo(a.date),
                       groupBy: (e) => DateFormat.yMMMM(locale).format(e.date),
                       groupComparator: (a, b) {
                         // TODO: better sorting algorithm lol
-                        var yearA = RegExp(r'\d+').firstMatch(a);
+                        final yearA = RegExp(r'\d+').firstMatch(a);
                         if (yearA == null) return 0;
-                        var yearB = RegExp(r'\d+').firstMatch(b);
+                        final yearB = RegExp(r'\d+').firstMatch(b);
                         if (yearB == null) return 0;
-                        var compareYears = int.parse(yearA.group(0)!)
+                        final compareYears = int.parse(yearA.group(0)!)
                             .compareTo(int.parse(yearB.group(0)!));
                         if (compareYears != 0) return compareYears;
-                        var months = List<String>.generate(
+                        final months = List<String>.generate(
                           12,
                           (index) => DateFormat.MMMM(locale).format(
                             DateTime(2023, index + 1),
                           ),
                         );
-                        var monthA = RegExp(r'[^0-9 ]+').firstMatch(a);
+                        final monthA = RegExp('[^0-9 ]+').firstMatch(a);
                         if (monthA == null) return 0;
-                        var monthB = RegExp(r'[^0-9 ]+').firstMatch(b);
+                        final monthB = RegExp('[^0-9 ]+').firstMatch(b);
                         if (monthB == null) return 0;
                         return months.indexOf(monthB.group(0)!).compareTo(
                               months.indexOf(monthA.group(0)!),
                             );
                       },
                       itemBuilder: (context, element) => Slidable(
-                        endActionPane:
+                        endActionPane: ActionPane(
-                            ActionPane(motion: const ScrollMotion(), children: [
+                          motion: const ScrollMotion(),
+                          children: [
                             SlidableAction(
                               onPressed: (c) {
                                 Navigator.of(context)
@@ -309,15 +320,18 @@ class _HomeViewState extends State<HomeView> {
                                     title:
                                         AppLocalizations.of(context).sureDialog,
                                     content: Text(
-                                      AppLocalizations.of(context).deleteSure),
+                                      AppLocalizations.of(context).deleteSure,
+                                    ),
                                     actions: [
                                       PlatformButton(
                                         text: AppLocalizations.of(context).yes,
                                         onPressed: () {
                                           selectedWallet?.entries.removeWhere(
-                                            (e) => e.id == element.id);
+                                            (e) => e.id == element.id,
+                                          );
                                           WalletManager.saveWallet(
-                                            selectedWallet!);
+                                            selectedWallet!,
+                                          );
                                           Navigator.of(cx).pop();
                                           setState(() {});
                                         },
@@ -333,14 +347,16 @@ class _HomeViewState extends State<HomeView> {
                                 );
                               },
                             ),
-                        ]),
+                          ],
+                        ),
                         child: ListTile(
                           leading: Container(
                             decoration: BoxDecoration(
                               borderRadius: BorderRadius.circular(16),
-                                color: Theme.of(context).colorScheme.secondary),
+                              color: Theme.of(context).colorScheme.secondary,
+                            ),
                             child: Padding(
-                              padding: const EdgeInsets.all(8.0),
+                              padding: const EdgeInsets.all(8),
                               child: Icon(
                                 element.category.icon,
                                 color:
@@ -350,7 +366,8 @@ class _HomeViewState extends State<HomeView> {
                           ),
                           title: Text(element.data.name),
                           subtitle: Text(
-                              "${element.data.amount} ${selectedWallet!.currency.symbol}"),
+                            "${element.data.amount} ${selectedWallet!.currency.symbol}",
+                          ),
                         ),
                       ),
                     ),
@@ -360,7 +377,7 @@ class _HomeViewState extends State<HomeView> {
   }
 
   Future<void> startOcr(ImageSource imgSrc) async {
-    var availableLanguages = await TessdataApi.getDownloadedData();
+    final availableLanguages = await TessdataApi.getDownloadedData();
     if (availableLanguages.isEmpty) {
       if (!mounted) return;
       ScaffoldMessenger.of(context).showSnackBar(
@@ -370,8 +387,8 @@ class _HomeViewState extends State<HomeView> {
             label: AppLocalizations.of(context).download,
             onPressed: () {
               Navigator.of(context).push(
-                MaterialPageRoute(
+                platformRoute(
-                  builder: (c) => const TessdataListView(),
+                  (c) => const TessdataListView(),
                 ),
               );
             },
@@ -381,70 +398,82 @@ class _HomeViewState extends State<HomeView> {
       return;
     }
     if (!mounted) return;
-    var selectedLanguages = List<bool>.filled(availableLanguages.length, false);
+    final selectedLanguages =
+        List<bool>.filled(availableLanguages.length, false);
     selectedLanguages[0] = true;
 
-    showDialog(
+    await showDialog(
       context: context,
       builder: (c) => StatefulBuilder(
         builder: (ctx, setState) => PlatformDialog(
           actions: [
             TextButton(
               onPressed: () async {
-                final ImagePicker picker = ImagePicker();
+                final picker = ImagePicker();
-                final XFile? media = await picker.pickImage(source: imgSrc);
+                final media = await picker.pickImage(source: imgSrc);
                 if (media == null) {
                   if (mounted) Navigator.of(context).pop();
                   return;
                 }
                 // get selected languages
-                var selected = availableLanguages
+                final selected = availableLanguages
-                    .where((element) =>
+                    .where(
-                        selectedLanguages[availableLanguages.indexOf(element)])
+                      (element) => selectedLanguages[
+                          availableLanguages.indexOf(element)],
+                    )
                     .join("+")
                     .replaceAll(".traineddata", "");
                 logger.i(selected);
                 if (!mounted) return;
+                unawaited(
                   showDialog(
                     context: context,
                     builder: (c) => PlatformDialog(
-                        title: AppLocalizations.of(context).ocrLoading),
+                      title: AppLocalizations.of(context).ocrLoading,
-                    barrierDismissible: false);
+                    ),
-                var string = await FlutterTesseractOcr.extractText(media.path,
+                    barrierDismissible: false,
+                  ),
+                );
+                final string = await FlutterTesseractOcr.extractText(
+                  media.path,
                   language: selected,
                   args: {
                     "psm": "4",
                     "preserve_interword_spaces": "1",
-                    });
+                  },
+                );
                 if (!mounted) return;
                 Navigator.of(context).pop();
                 logger.i(string);
                 if (!mounted) return;
-                var lines = string.split("\n")
+                final lines = string.split("\n")
                   ..removeWhere((element) {
                     element.trim();
                     return element.isEmpty;
                   });
                 var price = 0.0;
-                var description = "";
+                final description = StringBuffer();
-                for (var line in lines) {
+                for (final line in lines) {
                   // find numbered prices on each line
-                  var regex = RegExp(r'\d+(?:(?:\.|,) {0,}\d{0,})+');
+                  final regex = RegExp(r'\d+(?:(?:\.|,) {0,}\d{0,})+');
-                  for (var match in regex.allMatches(line)) {
+                  for (final match in regex.allMatches(line)) {
                     price += double.tryParse(match.group(0).toString()) ?? 0;
                   }
-                  description += "${line.replaceAll(regex, "")}\n";
+                  description.write("${line.replaceAll(regex, "")}\n");
                 }
                 Navigator.of(ctx).pop();
                 // show edit
-                Navigator.of(context)
+                final newEntry =
-                    .push<WalletSingleEntry>(
+                    await Navigator.of(context).push<WalletSingleEntry>(
                   platformRoute<WalletSingleEntry>(
                     (c) => CreateEntryView(
                       w: selectedWallet!,
                       editEntry: WalletSingleEntry(
                         data: EntryData(
-                            name: "", amount: price, description: description),
+                          name: "",
+                          amount: price,
+                          description: description.toString(),
+                        ),
                         type: EntryType.expense,
                         date: DateTime.now(),
                         category: selectedWallet!.categories.first,
@@ -452,17 +481,12 @@ class _HomeViewState extends State<HomeView> {
                       ),
                     ),
                   ),
-                )
+                );
-                    .then(
-                  (newEntry) {
-                    // save entry if we didn't return empty
                 if (newEntry == null) return;
                 selectedWallet!.entries.add(newEntry);
-                    WalletManager.saveWallet(selectedWallet!);
+                await WalletManager.saveWallet(selectedWallet!);
                 setState(() {});
               },
-                );
-              },
               child: const Text("Ok"),
             ),
             TextButton(
@@ -495,10 +519,10 @@ class _HomeViewState extends State<HomeView> {
                     const SizedBox(
                       width: 10,
                     ),
-                    Text(availableLanguages[index].split(".").first)
+                    Text(availableLanguages[index].split(".").first),
                   ],
                 ),
-              )
+              ),
             ],
           ),
         ),
@@ -507,12 +531,12 @@ class _HomeViewState extends State<HomeView> {
   }
 
   Future<void> getLostData() async {
-    final ImagePicker picker = ImagePicker();
+    final picker = ImagePicker();
-    final LostDataResponse response = await picker.retrieveLostData();
+    final response = await picker.retrieveLostData();
     if (response.isEmpty) {
       return;
     }
-    final List<XFile>? files = response.files;
+    final files = response.files;
     if (files != null) {
       logger.i("Found lost files");
       _handleLostFiles(files);

lib/views/settings/edit_categories.dart

@@ -0,0 +1,224 @@
+// ignore_for_file: inference_failure_on_function_invocation
+
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:flutter_iconpicker/flutter_iconpicker.dart';
+import 'package:prasule/api/category.dart';
+import 'package:prasule/api/wallet.dart';
+import 'package:prasule/api/walletmanager.dart';
+import 'package:prasule/main.dart';
+import 'package:prasule/pw/platformdialog.dart';
+import 'package:prasule/pw/platformfield.dart';
+import 'package:prasule/pw/platformroute.dart';
+import 'package:prasule/views/settings/settings.dart';
+import 'package:prasule/views/setup.dart';
+
+/// Allows adding, editing or removing [WalletCategory]s
+class EditCategoriesView extends StatefulWidget {
+  /// Allows adding, editing or removing [WalletCategory]s
+  const EditCategoriesView({super.key});
+
+  @override
+  State<EditCategoriesView> createState() => _EditCategoriesViewState();
+}
+
+class _EditCategoriesViewState extends State<EditCategoriesView> {
+  Wallet? selectedWallet;
+  List<Wallet> wallets = [];
+  List<WalletCategory> categories = [];
+
+  @override
+  void initState() {
+    super.initState();
+    loadWallet();
+  }
+
+  Future<void> loadWallet() async {
+    wallets = await WalletManager.listWallets();
+    if (wallets.isEmpty && mounted) {
+      unawaited(
+        Navigator.of(context)
+            .pushReplacement(platformRoute((c) => const SetupView())),
+      );
+      return;
+    }
+    selectedWallet = wallets.first;
+    categories = selectedWallet!.categories;
+    setState(() {});
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: DropdownButton<int>(
+          value:
+              (selectedWallet == null) ? -1 : wallets.indexOf(selectedWallet!),
+          items: [
+            ...wallets.map(
+              (e) => DropdownMenuItem(
+                value: wallets.indexOf(
+                  e,
+                ),
+                child: Text(e.name),
+              ),
+            ),
+            DropdownMenuItem(
+              value: -1,
+              child: Text(AppLocalizations.of(context).newWallet),
+            ),
+          ],
+          onChanged: (v) async {
+            if (v == null || v == -1) {
+              await Navigator.of(context).push(
+                platformRoute(
+                  (c) => const SetupView(
+                    newWallet: true,
+                  ),
+                ),
+              );
+              wallets = await WalletManager.listWallets();
+              logger.i(wallets.length);
+              selectedWallet = wallets.last;
+              setState(() {});
+              return;
+            }
+            selectedWallet = wallets[v];
+            setState(() {});
+          },
+        ),
+        actions: [
+          PopupMenuButton(
+            itemBuilder: (context) => [
+              AppLocalizations.of(context).settings,
+              AppLocalizations.of(context).about,
+            ].map((e) => PopupMenuItem(value: e, child: Text(e))).toList(),
+            onSelected: (value) {
+              if (value == AppLocalizations.of(context).settings) {
+                Navigator.of(context).push(
+                  platformRoute(
+                    (context) => const SettingsView(),
+                  ),
+                );
+              } else if (value == AppLocalizations.of(context).about) {
+                showAboutDialog(
+                  context: context,
+                  applicationLegalese: AppLocalizations.of(context).license,
+                  applicationName: "Prašule",
+                );
+              }
+            },
+          ),
+        ],
+      ),
+      body: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Text(
+            AppLocalizations.of(context).setupCategoriesEditHint,
+            textAlign: TextAlign.center,
+          ),
+          SizedBox(
+            height: MediaQuery.of(context).size.height * 0.64,
+            child: ListView.builder(
+              shrinkWrap: true,
+              itemBuilder: (context, i) => ListTile(
+                leading: GestureDetector(
+                  onTap: () async {
+                    final icon =
+                        await FlutterIconPicker.showIconPicker(context);
+                    if (icon == null) return;
+                    categories[i].icon = icon;
+                    setState(() {});
+                  },
+                  child: Container(
+                    decoration: BoxDecoration(
+                      borderRadius: BorderRadius.circular(16),
+                      color: Theme.of(context).colorScheme.secondary,
+                    ),
+                    child: Padding(
+                      padding: const EdgeInsets.all(8),
+                      child: Icon(
+                        categories[i].icon,
+                        color: Theme.of(context).colorScheme.onSecondary,
+                      ),
+                    ),
+                  ),
+                ),
+                trailing: IconButton(
+                  icon: const Icon(Icons.cancel),
+                  onPressed: () {
+                    categories.removeAt(i);
+                    setState(() {});
+                  },
+                ),
+                title: GestureDetector(
+                  onTap: () {
+                    final controller =
+                        TextEditingController(text: categories[i].name);
+                    showDialog(
+                      context: context,
+                      builder: (c) => PlatformDialog(
+                        actions: [
+                          TextButton(
+                            onPressed: () {
+                              if (controller.text.isEmpty) return;
+                              categories[i].name = controller.text;
+                              Navigator.of(context).pop();
+                            },
+                            child: Text(AppLocalizations.of(context).ok),
+                          ),
+                          TextButton(
+                            onPressed: () {
+                              Navigator.of(context).pop();
+                            },
+                            child: Text(AppLocalizations.of(context).cancel),
+                          ),
+                        ],
+                        title: AppLocalizations.of(context)
+                            .setupCategoriesEditingName,
+                        content: SizedBox(
+                          width: 400,
+                          child: PlatformField(controller: controller),
+                        ),
+                      ),
+                    );
+                  },
+                  child: Text(
+                    categories[i].name,
+                    style: const TextStyle(fontWeight: FontWeight.bold),
+                  ),
+                ),
+              ),
+              itemCount: categories.length,
+            ),
+          ),
+          IconButton(
+            onPressed: () {
+              var id = 1;
+              while (
+                  categories.where((element) => element.id == id).isNotEmpty) {
+                id++; // create unique ID
+              }
+              categories.add(
+                WalletCategory(
+                  name: AppLocalizations.of(context).setupWalletNamePlaceholder,
+                  type: EntryType.expense,
+                  id: id,
+                  icon: IconData(
+                    Icons.question_mark.codePoint,
+                    fontFamily: 'MaterialIcons',
+                  ),
+                ),
+              );
+              setState(() {});
+            },
+            icon: const Icon(Icons.add),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/views/settings/graph_type.dart

@@ -1,10 +1,14 @@
+// ignore_for_file: inference_failure_on_function_invocation
+
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:prasule/pw/platformdialog.dart';
 import 'package:settings_ui/settings_ui.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
+/// Allows setting the type of graph for certain data
 class GraphTypeSettingsView extends StatefulWidget {
+  /// Allows setting the type of graph for certain data
   const GraphTypeSettingsView({super.key});
 
   @override
@@ -34,15 +38,18 @@ class _GraphTypeSettingsViewState extends State<GraphTypeSettingsView> {
         applicationType: ApplicationType.both,
         darkTheme: SettingsThemeData(
           settingsListBackground: Theme.of(context).colorScheme.background,
-            titleTextColor: Theme.of(context).colorScheme.primary),
+          titleTextColor: Theme.of(context).colorScheme.primary,
+        ),
         sections: [
           SettingsSection(
             tiles: [
               SettingsTile.navigation(
                 title: Text(AppLocalizations.of(context).yearly),
-                value: Text(_yearly == 1
+                value: Text(
+                  _yearly == 1
                       ? AppLocalizations.of(context).barChart
-                    : AppLocalizations.of(context).lineChart),
+                      : AppLocalizations.of(context).lineChart,
+                ),
                 onPressed: (c) => showDialog(
                   context: c,
                   builder: (ctx) => PlatformDialog(
@@ -53,13 +60,15 @@ class _GraphTypeSettingsViewState extends State<GraphTypeSettingsView> {
                           width: MediaQuery.of(ctx).size.width,
                           child: InkWell(
                             child: Padding(
-                              padding: const EdgeInsets.all(8.0),
+                              padding: const EdgeInsets.all(8),
-                              child: Text(AppLocalizations.of(context).barChart,
+                              child: Text(
-                                  textAlign: TextAlign.center),
+                                AppLocalizations.of(context).barChart,
+                                textAlign: TextAlign.center,
+                              ),
                             ),
                             onTap: () async {
-                              var s = await SharedPreferences.getInstance();
+                              final s = await SharedPreferences.getInstance();
-                              s.setInt("yearlygraph", 1);
+                              await s.setInt("yearlygraph", 1);
                               _yearly = 1;
                               if (!mounted) return;
                               Navigator.of(ctx).pop();
@@ -71,15 +80,15 @@ class _GraphTypeSettingsViewState extends State<GraphTypeSettingsView> {
                           width: MediaQuery.of(context).size.width,
                           child: InkWell(
                             child: Padding(
-                              padding: const EdgeInsets.all(8.0),
+                              padding: const EdgeInsets.all(8),
                               child: Text(
                                 AppLocalizations.of(context).lineChart,
                                 textAlign: TextAlign.center,
                               ),
                             ),
                             onTap: () async {
-                              var s = await SharedPreferences.getInstance();
+                              final s = await SharedPreferences.getInstance();
-                              s.setInt("yearlygraph", 2);
+                              await s.setInt("yearlygraph", 2);
                               _yearly = 2;
                               if (!mounted) return;
                               Navigator.of(ctx).pop();
@@ -94,9 +103,11 @@ class _GraphTypeSettingsViewState extends State<GraphTypeSettingsView> {
               ),
               SettingsTile.navigation(
                 title: Text(AppLocalizations.of(context).monthly),
-                value: Text(_monthly == 1
+                value: Text(
+                  _monthly == 1
                       ? AppLocalizations.of(context).barChart
-                    : AppLocalizations.of(context).lineChart),
+                      : AppLocalizations.of(context).lineChart,
+                ),
                 onPressed: (c) => showDialog(
                   context: c,
                   builder: (ctx) => PlatformDialog(
@@ -107,15 +118,15 @@ class _GraphTypeSettingsViewState extends State<GraphTypeSettingsView> {
                           width: MediaQuery.of(ctx).size.width,
                           child: InkWell(
                             child: Padding(
-                              padding: const EdgeInsets.all(8.0),
+                              padding: const EdgeInsets.all(8),
                               child: Text(
                                 AppLocalizations.of(context).barChart,
                                 textAlign: TextAlign.center,
                               ),
                             ),
                             onTap: () async {
-                              var s = await SharedPreferences.getInstance();
+                              final s = await SharedPreferences.getInstance();
-                              s.setInt("monthlygraph", 1);
+                              await s.setInt("monthlygraph", 1);
                               _monthly = 1;
                               if (!mounted) return;
                               Navigator.of(ctx).pop();
@@ -127,14 +138,15 @@ class _GraphTypeSettingsViewState extends State<GraphTypeSettingsView> {
                           width: MediaQuery.of(ctx).size.width,
                           child: InkWell(
                             child: Padding(
-                              padding: const EdgeInsets.all(8.0),
+                              padding: const EdgeInsets.all(8),
                               child: Text(
                                 AppLocalizations.of(context).lineChart,
-                                  textAlign: TextAlign.center),
+                                textAlign: TextAlign.center,
+                              ),
                             ),
                             onTap: () async {
-                              var s = await SharedPreferences.getInstance();
+                              final s = await SharedPreferences.getInstance();
-                              s.setInt("monthlygraph", 2);
+                              await s.setInt("monthlygraph", 2);
                               _monthly = 2;
                               if (!mounted) return;
                               Navigator.of(ctx).pop();
@@ -148,7 +160,7 @@ class _GraphTypeSettingsViewState extends State<GraphTypeSettingsView> {
                 ),
               ),
             ],
-          )
+          ),
         ],
       ),
     );

lib/views/settings/settings.dart

@@ -1,15 +1,18 @@
 import 'dart:io';
 
 import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:prasule/main.dart';
 import 'package:prasule/pw/platformroute.dart';
+import 'package:prasule/views/settings/edit_categories.dart';
 import 'package:prasule/views/settings/graph_type.dart';
 import 'package:prasule/views/settings/tessdata_list.dart';
 import 'package:settings_ui/settings_ui.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
+/// Shows settings categories
 class SettingsView extends StatefulWidget {
+  /// Shows settings categories
   const SettingsView({super.key});
 
   @override
@@ -36,8 +39,24 @@ class _SettingsViewState extends State<SettingsView> {
         applicationType: ApplicationType.both,
         darkTheme: SettingsThemeData(
           settingsListBackground: Theme.of(context).colorScheme.background,
-            titleTextColor: Theme.of(context).colorScheme.primary),
+          titleTextColor: Theme.of(context).colorScheme.primary,
+        ),
         sections: [
+          SettingsSection(
+            tiles: [
+              SettingsTile.navigation(
+                title: Text(AppLocalizations.of(context).editCategories),
+                description:
+                    Text(AppLocalizations.of(context).editCategoriesDesc),
+                trailing: const Icon(Icons.keyboard_arrow_right),
+                onPressed: (context) => Navigator.of(context).push(
+                  platformRoute(
+                    (c) => const EditCategoriesView(),
+                  ),
+                ),
+              ),
+            ],
+          ),
           SettingsSection(
             tiles: [
               SettingsTile.navigation(
@@ -45,9 +64,12 @@ class _SettingsViewState extends State<SettingsView> {
                 description:
                     Text(AppLocalizations.of(context).downloadedOcrDesc),
                 trailing: const Icon(Icons.keyboard_arrow_right),
-                onPressed: (context) => Navigator.of(context)
+                onPressed: (context) => Navigator.of(context).push(
-                    .push(platformRoute((c) => const TessdataListView())),
+                  platformRoute(
-              )
+                    (c) => const TessdataListView(),
+                  ),
+                ),
+              ),
             ],
             title: Text(AppLocalizations.of(context).ocr),
           ),
@@ -68,16 +90,18 @@ class _SettingsViewState extends State<SettingsView> {
                 SettingsTile.switchTile(
                   initialValue: _useMaterialYou,
                   onToggle: (v) async {
-                    var s = await SharedPreferences.getInstance();
+                    final s = await SharedPreferences.getInstance();
-                    s.setBool("useMaterialYou", v);
+                    await s.setBool("useMaterialYou", v);
                     _useMaterialYou = v;
                     setState(() {});
                   },
                   title: Text(AppLocalizations.of(context).enableYou),
-                  description: Text(AppLocalizations.of(context).enableYouDesc),
+                  description: Text(
-                )
+                    AppLocalizations.of(context).enableYouDesc,
+                  ),
+                ),
             ],
-          )
+          ),
         ],
       ),
     );

lib/views/settings/tessdata_list.dart

@@ -1,15 +1,19 @@
+// ignore_for_file: inference_failure_on_function_invocation
+
 import 'dart:async';
 import 'dart:io';
 
 import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:flutter_tesseract_ocr/flutter_tesseract_ocr.dart';
 import 'package:prasule/main.dart';
 import 'package:prasule/network/tessdata.dart';
 import 'package:prasule/pw/platformbutton.dart';
 import 'package:prasule/pw/platformdialog.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
+/// Used to manage downloaded Tessdata for OCR
 class TessdataListView extends StatefulWidget {
+  /// Used to manage downloaded Tessdata for OCR
   const TessdataListView({super.key});
 
   @override
@@ -18,7 +22,7 @@ class TessdataListView extends StatefulWidget {
 
 class _TessdataListViewState extends State<TessdataListView> {
   final _tessdata = [
-    {"eng": true}
+    {"eng": true},
   ];
   @override
   void didChangeDependencies() {
@@ -49,19 +53,22 @@ class _TessdataListViewState extends State<TessdataListView> {
                   itemBuilder: (context, i) => ListTile(
                     title: Text(_tessdata[i].keys.first),
                     trailing: TextButton(
-                      child: Text(_tessdata[i][_tessdata[i].keys.first]!
+                      child: Text(
+                        _tessdata[i][_tessdata[i].keys.first]!
                             ? AppLocalizations.of(context).downloaded
-                          : AppLocalizations.of(context).download),
+                            : AppLocalizations.of(context).download,
+                      ),
                       onPressed: () async {
-                        var lang = _tessdata[i].keys.first;
+                        final lang = _tessdata[i].keys.first;
                         if (_tessdata[i][lang]!) {
                           // deleting data
-                          showDialog(
+                          await showDialog(
                             context: context,
                             builder: (context) => PlatformDialog(
                               title: AppLocalizations.of(context).sureDialog,
-                              content: Text(AppLocalizations.of(context)
+                              content: Text(
-                                  .deleteOcr(lang)),
+                                AppLocalizations.of(context).deleteOcr(lang),
+                              ),
                               actions: [
                                 PlatformButton(
                                   text: AppLocalizations.of(context).yes,
@@ -86,8 +93,9 @@ class _TessdataListViewState extends State<TessdataListView> {
 
                         // TODO: handle wifi errors
                         //* downloading traineddata
-                        var progressStream = StreamController<double>();
+                        final progressStream = StreamController<double>();
 
+                        unawaited(
                           showDialog(
                             context: context,
                             builder: (c) => PlatformDialog(
@@ -102,16 +110,21 @@ class _TessdataListViewState extends State<TessdataListView> {
                                   if (snapshot.hasError) {
                                     return const Text("Error");
                                   }
-                                return Text(AppLocalizations.of(context)
+                                  return Text(
-                                    .langDownloadProgress(snapshot.data!));
+                                    AppLocalizations.of(context)
+                                        .langDownloadProgress(snapshot.data!),
+                                  );
                                 },
                                 stream: progressStream.stream,
                               ),
                             ),
+                          ),
                         );
-                        await TessdataApi.downloadData(lang, callback: (a, b) {
+                        await TessdataApi.downloadData(
+                          lang,
+                          callback: (a, b) {
                             if (progressStream.isClosed) return;
-                          var p = a / b * 1000;
+                            final p = a / b * 1000;
                             progressStream.add(p.roundToDouble() / 10);
                             if (p / 10 >= 100) {
                               logger.i("Done");
@@ -121,7 +134,8 @@ class _TessdataListViewState extends State<TessdataListView> {
                               progressStream.close();
                             }
                             setState(() {});
-                        });
+                          },
+                        );
                       },
                     ),
                   ),
@@ -134,25 +148,26 @@ class _TessdataListViewState extends State<TessdataListView> {
 
   /// Used to find which `.traineddata` is already downloaded and which not
   /// so we can show it to the user
-  void loadAllTessdata() async {
+  Future<void> loadAllTessdata() async {
-    var tessDir = Directory(await FlutterTesseractOcr.getTessdataPath());
+    final tessDir = Directory(await FlutterTesseractOcr.getTessdataPath());
-    var d = await TessdataApi.getAvailableData();
+    final d = await TessdataApi.getAvailableData();
-    var dataStatus = <Map<String, bool>>[];
+    final dataStatus = <Map<String, bool>>[];
-    for (var data in d) {
+    for (final data in d) {
-      var e = <String, bool>{};
+      final e = <String, bool>{};
       e[data] = false;
       dataStatus.add(e);
     }
-    var appDir = tessDir.listSync();
+    final appDir = tessDir.listSync();
-    for (var file in appDir) {
+    for (final file in appDir) {
       if (file is! File ||
           !file.path.endsWith("traineddata") ||
           file.path.endsWith("eng.traineddata")) continue;
       logger.i(file.path);
-      var filename = file.path.split("/").last;
+      final filename = file.path.split("/").last;
-      dataStatus[dataStatus.indexWhere((element) =>
+      dataStatus[dataStatus.indexWhere(
-              element.keys.first == filename.replaceAll(".traineddata", ""))]
+        (element) =>
-          [filename.replaceAll(".traineddata", "")] = true;
+            element.keys.first == filename.replaceAll(".traineddata", ""),
+      )][filename.replaceAll(".traineddata", "")] = true;
     }
     _tessdata.addAll(dataStatus);
     setState(() {});

lib/views/setup.dart

@@ -1,6 +1,9 @@
+// ignore_for_file: inference_failure_on_function_invocation
+
 import 'package:currency_picker/currency_picker.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:flutter_iconpicker/flutter_iconpicker.dart';
 import 'package:introduction_screen/introduction_screen.dart';
 import 'package:prasule/api/category.dart';
@@ -9,10 +12,12 @@ import 'package:prasule/api/walletmanager.dart';
 import 'package:prasule/pw/platformbutton.dart';
 import 'package:prasule/pw/platformdialog.dart';
 import 'package:prasule/pw/platformfield.dart';
+import 'package:prasule/pw/platformroute.dart';
 import 'package:prasule/views/home.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
+/// View that shows on first-time setup
 class SetupView extends StatefulWidget {
+  /// View that shows on first-time setup
   const SetupView({super.key, this.newWallet = false});
 
   /// We are only creating a new wallet, no first-time setup
@@ -22,10 +27,11 @@ class SetupView extends StatefulWidget {
 }
 
 class _SetupViewState extends State<SetupView> {
-  var _selectedCurrency = Currency.from(json: {
+  var _selectedCurrency = Currency.from(
+    json: {
       "code": "USD",
       "name": "United States Dollar",
-    "symbol": "\$",
+      "symbol": r"$",
       "flag": "USD",
       "decimal_digits": 2,
       "number": 840,
@@ -34,10 +40,11 @@ class _SetupViewState extends State<SetupView> {
       "decimal_separator": ".",
       "space_between_amount_and_symbol": false,
       "symbol_on_left": true,
-  });
+    },
-  var categories = <WalletCategory>[];
+  );
-  var name = "";
+  List<WalletCategory> categories = <WalletCategory>[];
-  var balance = 0.0;
+  String name = "";
+  double balance = 0;
 
   @override
   void didChangeDependencies() {
@@ -48,8 +55,10 @@ class _SetupViewState extends State<SetupView> {
           name: AppLocalizations.of(context).categoryHealth,
           type: EntryType.expense,
           id: 1,
-          icon: IconData(Icons.medical_information.codePoint,
+          icon: IconData(
-              fontFamily: 'MaterialIcons'),
+            Icons.medical_information.codePoint,
+            fontFamily: 'MaterialIcons',
+          ),
         ),
         WalletCategory(
           name: AppLocalizations.of(context).categoryCar,
@@ -87,9 +96,7 @@ class _SetupViewState extends State<SetupView> {
             dotsDecorator: DotsDecorator(
               activeColor: Theme.of(context).colorScheme.primary,
             ),
-            showNextButton: true,
             showBackButton: true,
-            showDoneButton: true,
             next: Text(AppLocalizations.of(context).next),
             back: Text(AppLocalizations.of(context).back),
             done: Text(AppLocalizations.of(context).finish),
@@ -97,15 +104,18 @@ class _SetupViewState extends State<SetupView> {
               if (name.isEmpty) {
                 ScaffoldMessenger.of(context)
                     .clearSnackBars(); // TODO: iOS replacement
-                ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+                ScaffoldMessenger.of(context).showSnackBar(
-                    content:
+                  SnackBar(
-                        Text(AppLocalizations.of(context).errorEmptyName)));
+                    content: Text(AppLocalizations.of(context).errorEmptyName),
+                  ),
+                );
                 return;
               }
-              var wallet = Wallet(
+              final wallet = Wallet(
                 name: name,
                 currency: _selectedCurrency,
-                  categories: categories);
+                categories: categories,
+              );
               WalletManager.saveWallet(wallet).then(
                 (value) {
                   if (!value) {
@@ -123,8 +133,8 @@ class _SetupViewState extends State<SetupView> {
                     return;
                   }
                   Navigator.of(context).pushReplacement(
-                    MaterialPageRoute(
+                    platformRoute(
-                      builder: (c) => const HomeView(),
+                      (c) => const HomeView(),
                     ),
                   );
                 },
@@ -139,7 +149,9 @@ class _SetupViewState extends State<SetupView> {
                   child: Text(
                     AppLocalizations.of(context).welcome,
                     style: const TextStyle(
-                        fontSize: 24, fontWeight: FontWeight.bold),
+                      fontSize: 24,
+                      fontWeight: FontWeight.bold,
+                    ),
                     textAlign: TextAlign.center,
                   ),
                 ),
@@ -150,7 +162,8 @@ class _SetupViewState extends State<SetupView> {
                     if (!widget.newWallet)
                       Flexible(
                         child: Text(
-                            AppLocalizations.of(context).welcomeAboutPrasule),
+                          AppLocalizations.of(context).welcomeAboutPrasule,
+                        ),
                       ),
                     if (!widget.newWallet)
                       const SizedBox(
@@ -158,7 +171,8 @@ class _SetupViewState extends State<SetupView> {
                       ),
                     Flexible(
                       child: Text(
-                          AppLocalizations.of(context).welcomeInstruction),
+                        AppLocalizations.of(context).welcomeInstruction,
+                      ),
                     ),
                   ],
                 ),
@@ -172,7 +186,9 @@ class _SetupViewState extends State<SetupView> {
                     AppLocalizations.of(context).setupWalletNameCurrency,
                     textAlign: TextAlign.center,
                     style: const TextStyle(
-                        fontSize: 24, fontWeight: FontWeight.bold),
+                      fontSize: 24,
+                      fontWeight: FontWeight.bold,
+                    ),
                   ),
                 ),
                 bodyWidget: Column(
@@ -213,11 +229,12 @@ class _SetupViewState extends State<SetupView> {
                         labelText:
                             AppLocalizations.of(context).setupStartingBalance,
                         keyboardType: const TextInputType.numberWithOptions(
-                            decimal: true),
+                          decimal: true,
+                        ),
                         inputFormatters: [
                           FilteringTextInputFormatter.allow(
                             RegExp(r'\d+[\.,]{0,1}\d{0,}'),
-                          )
+                          ),
                         ],
                         onChanged: (t) {
                           balance = double.parse(t);
@@ -236,7 +253,9 @@ class _SetupViewState extends State<SetupView> {
                     AppLocalizations.of(context).setupCategoriesHeading,
                     textAlign: TextAlign.center,
                     style: const TextStyle(
-                        fontSize: 24, fontWeight: FontWeight.bold),
+                      fontSize: 24,
+                      fontWeight: FontWeight.bold,
+                    ),
                   ),
                 ),
                 bodyWidget: Column(
@@ -253,8 +272,10 @@ class _SetupViewState extends State<SetupView> {
                         itemBuilder: (context, i) => ListTile(
                           leading: GestureDetector(
                             onTap: () async {
-                              var icon = await FlutterIconPicker.showIconPicker(
+                              final icon =
-                                  context);
+                                  await FlutterIconPicker.showIconPicker(
+                                context,
+                              );
                               if (icon == null) return;
                               categories[i].icon = icon;
                               setState(() {});
@@ -262,10 +283,10 @@ class _SetupViewState extends State<SetupView> {
                             child: Container(
                               decoration: BoxDecoration(
                                 borderRadius: BorderRadius.circular(16),
-                                  color:
+                                color: Theme.of(context).colorScheme.secondary,
-                                      Theme.of(context).colorScheme.secondary),
+                              ),
                               child: Padding(
-                                padding: const EdgeInsets.all(8.0),
+                                padding: const EdgeInsets.all(8),
                                 child: Icon(
                                   categories[i].icon,
                                   color:
@@ -283,8 +304,9 @@ class _SetupViewState extends State<SetupView> {
                           ),
                           title: GestureDetector(
                             onTap: () {
-                              var controller = TextEditingController(
+                              final controller = TextEditingController(
-                                  text: categories[i].name);
+                                text: categories[i].name,
+                              );
                               showDialog(
                                 context: context,
                                 builder: (c) => PlatformDialog(
@@ -296,14 +318,16 @@ class _SetupViewState extends State<SetupView> {
                                         Navigator.of(context).pop();
                                       },
                                       child: Text(
-                                          AppLocalizations.of(context).ok),
+                                        AppLocalizations.of(context).ok,
+                                      ),
                                     ),
                                     TextButton(
                                       onPressed: () {
                                         Navigator.of(context).pop();
                                       },
                                       child: Text(
-                                          AppLocalizations.of(context).cancel),
+                                        AppLocalizations.of(context).cancel,
+                                      ),
                                     ),
                                   ],
                                   title: AppLocalizations.of(context)
@@ -340,14 +364,16 @@ class _SetupViewState extends State<SetupView> {
                                 .setupWalletNamePlaceholder,
                             type: EntryType.expense,
                             id: id,
-                            icon: IconData(Icons.question_mark.codePoint,
+                            icon: IconData(
-                                fontFamily: 'MaterialIcons'),
+                              Icons.question_mark.codePoint,
+                              fontFamily: 'MaterialIcons',
+                            ),
                           ),
                         );
                         setState(() {});
                       },
                       icon: const Icon(Icons.add),
-                    )
+                    ),
                   ],
                 ),
               ),

pubspec.lock

@@ -317,10 +317,10 @@ packages:
     dependency: "direct main"
     description:
       name: fl_chart
-      sha256: "5a74434cc83bf64346efb562f1a06eefaf1bcb530dc3d96a104f631a1eff8d79"
+      sha256: fe6fec7d85975a99c73b9515a69a6e291364accfa0e4a5b3ce6de814d74b9a1c
       url: "https://pub.dev"
     source: hosted
-    version: "0.65.0"
+    version: "0.66.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -1105,6 +1105,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.4"
+  very_good_analysis:
+    dependency: "direct dev"
+    description:
+      name: very_good_analysis
+      sha256: "9ae7f3a3bd5764fb021b335ca28a34f040cd0ab6eec00a1b213b445dae58a4b8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.0"
   vm_service:
     dependency: transitive
     description:

pubspec.yaml

@@ -1,7 +1,7 @@
 name: prasule
 description: Open-source private expense tracker
 
-version: 1.0.0-alpha.2+2
+version: 1.0.0-alpha+3
 
 environment:
   sdk: '>=3.1.0-262.2.beta <4.0.0'
@@ -13,37 +13,33 @@ environment:
 # the latest version available on pub.dev. To see which dependencies have newer
 # versions available, run `flutter pub outdated`.
 dependencies:
+  cupertino_icons: ^1.0.2
+  currency_picker: ^2.0.16
+  dio: ^5.3.0
+  dynamic_color: ^1.6.6
+  fl_chart: ^0.66.0
   flutter:
     sdk: flutter
-
-
-  # The following adds the Cupertino Icons font to your application.
-  # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: ^1.0.2
-  path_provider: ^2.0.15
-  dio: ^5.3.0
-  logger: ^2.0.0
-  settings_ui: ^2.0.2
-  currency_picker: ^2.0.16
-  json_serializable: ^6.7.1
-  json_annotation: ^4.8.1
   flutter_iconpicker: ^3.2.4
-  dynamic_color: ^1.6.6
-  introduction_screen: ^3.1.11
-  intl: any
-  grouped_list: ^5.1.2
-  flutter_speed_dial: ^7.0.0
-  image_picker: ^1.0.1
-  flutter_tesseract_ocr: ^0.4.23
-  flutter_slidable: ^3.0.0
   flutter_localizations:
     sdk: flutter
-  fl_chart: ^0.65.0
+  flutter_slidable: ^3.0.0
+  flutter_speed_dial: ^7.0.0
+  flutter_tesseract_ocr: ^0.4.23
+  grouped_list: ^5.1.2
+  image_picker: ^1.0.1
+  intl: any
+  introduction_screen: ^3.1.11
+  json_annotation: ^4.8.1
+  json_serializable: ^6.7.1
+  logger: ^2.0.0
+  path_provider: ^2.0.15
+  settings_ui: ^2.0.2
   shared_preferences: ^2.2.2
 
 dev_dependencies:
-  flutter_test:
+  build_runner: ^2.4.6
-    sdk: flutter
+  flutter_launcher_icons: ^0.13.1
 
   # The "flutter_lints" package below contains a set of recommended lints to
   # encourage good coding practices. The lint set provided by the package is
@@ -51,11 +47,12 @@ dev_dependencies:
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
   flutter_lints: ^3.0.0
-  build_runner: ^2.4.6
+  flutter_test:
-  test: ^1.24.6
+    sdk: flutter
   integration_test:
     sdk: flutter
-  flutter_launcher_icons: ^0.13.1
+  test: ^1.24.6
+  very_good_analysis: ^5.1.0
 
 flutter_launcher_icons:
   android: true
@@ -77,7 +74,6 @@ flutter_launcher_icons:
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
-
 # The following section is specific to Flutter packages.
 flutter:
   generate: true
@@ -88,18 +84,14 @@ flutter:
   assets:
     - assets/
     - assets/tessdata/
-
   # To add assets to your application, add an assets section, like this:
   # assets:
   #   - images/a_dot_burr.jpeg
   #   - images/a_dot_ham.jpeg
-
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware
-
   # For details regarding adding assets from package dependencies, see
   # https://flutter.dev/assets-and-images/#from-packages
-
   # To add custom fonts to your application, add a fonts section here,
   # in this "flutter" section. Each entry in this list should have a
   # "family" key with the font family name, and a "fonts" key with a