Add fonts (#35)

lib/components/common/denshi_jisho_background.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+class DenshiJishoBackground extends StatelessWidget {
+  final Widget child;
+
+  const DenshiJishoBackground({
+    Key? key,
+    required this.child,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Stack(
+      children: [
+        Positioned(
+          right: 30,
+          left: 100,
+          bottom: 30,
+          child: Image.asset(
+            'assets/images/denshi_jisho_background_overlay.png',
+          ),
+        ),
+        child,
+      ],
+    );
+  }
+}

lib/components/drawing_board/drawing_board.dart

@@ -3,6 +3,7 @@ import 'package:signature/signature.dart';
 
 import '../../bloc/theme/theme_bloc.dart';
 import '../../services/handwriting.dart';
+import '../../settings.dart';
 
 class DrawingBoard extends StatefulWidget {
   final Function(String)? onSuggestionChosen;
@@ -112,7 +113,7 @@ class _DrawingBoardState extends State<DrawingBoard> {
                   style: TextStyle(
                     fontSize: fontSize,
                     color: colors.foreground,
-                  ),
+                  ).merge(japaneseFont.textStyle),
                 ),
               ),
             );

lib/components/history/search_item.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_slidable/flutter_slidable.dart';
 
 import '../../models/history/search.dart';
+import '../../settings.dart';
 
 class SearchItem extends StatelessWidget {
   final DateTime time;
@@ -67,7 +68,10 @@ class SearchItem extends StatelessWidget {
                 padding: const EdgeInsets.symmetric(horizontal: 20),
                 child: Text(getTime()),
               ),
-              search,
+              DefaultTextStyle.merge(
+                style: japaneseFont.textStyle,
+                child: search,
+              ),
             ],
           ),
         ),

lib/components/kanji/kanji_result_body/examples.dart

@@ -122,7 +122,7 @@ class _Kana extends StatelessWidget {
             style: TextStyle(
               color: colors.foreground,
               fontSize: 15.0,
-            ),
+            ).merge(!romajiEnabled ? japaneseFont.textStyle : null),
           ),
           const SizedBox(height: 5.0),
           Text(
@@ -130,7 +130,7 @@ class _Kana extends StatelessWidget {
             style: TextStyle(
               color: colors.foreground,
               fontSize: 20.0,
-            ),
+            ).merge(japaneseFont.textStyle),
           ),
         ],
       ),

lib/components/kanji/kanji_result_body/grade.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 
 import '../../../bloc/theme/theme_bloc.dart';
+import '../../../settings.dart';
 
 class Grade extends StatelessWidget {
   final String? grade;
@@ -28,7 +29,7 @@ class Grade extends StatelessWidget {
               style: TextStyle(
                 color: colors.foreground,
                 fontSize: 20.0,
-              ),
+              ).merge(japaneseFont.textStyle),
             ),
           );
         },

lib/components/kanji/kanji_result_body/header.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 
 import '../../../bloc/theme/theme_bloc.dart';
+import '../../../settings.dart';
 
 class Header extends StatelessWidget {
   final String kanji;
@@ -25,7 +26,8 @@ class Header extends StatelessWidget {
               ),
               child: Text(
                 kanji,
-                style: TextStyle(fontSize: 70.0, color: colors.foreground),
+                style: TextStyle(fontSize: 70.0, color: colors.foreground)
+                    .merge(japaneseFont.textStyle),
               ),
             );
           },

lib/components/kanji/kanji_result_body/radical.dart

@@ -3,6 +3,7 @@ import 'package:unofficial_jisho_api/api.dart' as jisho;
 
 import '../../../bloc/theme/theme_bloc.dart';
 import '../../../routing/routes.dart';
+import '../../../settings.dart';
 
 class Radical extends StatelessWidget {
   final jisho.Radical radical;
@@ -30,7 +31,7 @@ class Radical extends StatelessWidget {
                 style: TextStyle(
                   color: colors.foreground,
                   fontSize: 40.0,
-                ),
+                ).merge(japaneseFont.textStyle),
               ),
             ),
           );

lib/components/kanji/kanji_result_body/yomi_chips.dart

@@ -54,6 +54,7 @@ class YomiChips extends StatelessWidget {
     required BuildContext context,
     required String yomi,
     required ColorSet colors,
+    TextStyle? extraTextStyle,
   }) =>
       InkWell(
         onTap: () =>
@@ -73,7 +74,7 @@ class YomiChips extends StatelessWidget {
             style: TextStyle(
               fontSize: 20.0,
               color: colors.foreground,
-            ),
+            ).merge(extraTextStyle),
           ),
         ),
       );
@@ -86,6 +87,9 @@ class YomiChips extends StatelessWidget {
             context: context,
             yomi: y,
             colors: type.getColors(context),
+            extraTextStyle: type != YomiType.meaning && !romajiEnabled
+                ? japaneseFont.textStyle
+                : null,
           ),
         )
         .toList();

lib/components/kanji/kanji_search_body/kanji_grid.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 
 import '../../../bloc/theme/theme_bloc.dart';
 import '../../../routing/routes.dart';
+import '../../../settings.dart';
 
 class KanjiGrid extends StatelessWidget {
   final List<String> suggestions;
@@ -49,7 +50,9 @@ class _GridItem extends StatelessWidget {
               child: FittedBox(
                 child: Text(
                   kanji,
-                  style: TextStyle(color: _menuColors.foreground),
+                  style: japaneseFont.textStyle.merge(
+                    TextStyle(color: _menuColors.foreground),
+                  ),
                 ),
               ),
             ),

lib/components/kanji/kanji_search_body/kanji_search_bar.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 
+import '../../../settings.dart';
+
 class KanjiSearchBar extends StatefulWidget {
   final Function(String)? onChanged;
 
@@ -52,6 +54,7 @@ class KanjiSearchBarState extends State<KanjiSearchBar> {
       controller: textController,
       onChanged: (text) => onChanged(),
       onSubmitted: (_) => {},
+      style: japaneseFont.textStyle,
       decoration: InputDecoration(
         hintText: 'Search',
         border: OutlineInputBorder(

lib/components/search/language_selector.dart

@@ -3,6 +3,7 @@ import 'package:get_it/get_it.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import '../../models/themes/theme.dart';
+import '../../settings.dart';
 
 class LanguageSelector extends StatefulWidget {
   const LanguageSelector({Key? key}) : super(key: key);
@@ -31,11 +32,11 @@ class _LanguageSelectorState extends State<LanguageSelector> {
       ?.map((s) => s == '1')
       .toList();
 
-  Widget _languageOption(String language) => 
+  Widget _languageOption(String language, {TextStyle? style}) => 
     Container(
       alignment: Alignment.center,
       padding: const EdgeInsets.symmetric(vertical: 10.0, horizontal: 20.0),
-      child: Text(language),
+      child: Text(language, style: style,),
     );
 
   @override
@@ -43,9 +44,9 @@ class _LanguageSelectorState extends State<LanguageSelector> {
     return ToggleButtons(
       selectedColor: AppTheme.jishoGreen.background,
       isSelected: isSelected,
-      children: <Widget>[
+      children: [
         _languageOption('Auto'),
-        _languageOption('日本語'),
+        _languageOption('日本語', style: japaneseFont.textStyle),
         _languageOption('English')
       ],
       onPressed: (buttonIndex) {

lib/components/search/search_bar.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 
 import '../../models/themes/theme.dart';
 import '../../routing/routes.dart';
+import '../../settings.dart';
 import 'language_selector.dart';
 
 class SearchBar extends StatelessWidget {
@@ -24,6 +25,7 @@ class SearchBar extends StatelessWidget {
           TextField(
             onSubmitted: (text) => _search(context, text),
             controller: controller,
+            style: japaneseFont.textStyle,
             decoration: InputDecoration(
               labelText: 'Search',
               border: OutlineInputBorder(

lib/components/search/search_results_body/parts/header.dart

@@ -31,8 +31,23 @@ class JapaneseHeader extends StatelessWidget {
           // If that's not the case, then the word is usually present in wordReading.
           // However, there are some exceptions where the reading is placed in word.
           // I have no clue why this might be the case.
-          hasFurigana ? Text(wordReading!) : const Text(''),
+          hasFurigana
-          hasFurigana ? Text(word.word!) : Text(wordReading ?? word.word!),
+              ? Text(
+                  wordReading!,
+                  style: romajiEnabled ? null : japaneseFont.textStyle,
+                )
+              : const Text(''),
+          hasFurigana
+              ? Text(
+                  word.word!,
+                  style: japaneseFont.textStyle,
+                )
+              : Text(
+                  wordReading ?? word.word!,
+                  style: wordReading != null && romajiEnabled
+                      ? null
+                      : japaneseFont.textStyle,
+                ),
         ],
       ),
     );

lib/components/search/search_results_body/parts/kanji.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 
 import '../../../../bloc/theme/theme_bloc.dart';
 import '../../../../routing/routes.dart';
+import '../../../../settings.dart';
 
 class KanjiRow extends StatelessWidget {
   final List<String> kanji;
@@ -32,7 +33,7 @@ class KanjiRow extends StatelessWidget {
                       style: TextStyle(
                         color: colors.foreground,
                         fontSize: fontSize,
-                      ),
+                      ).merge(japaneseFont.textStyle),
                     ),
                   ),
                 );

lib/components/search/search_results_body/parts/kanji_kana_box.dart

@@ -65,6 +65,10 @@ class KanjiKanaBox extends StatelessWidget {
                     style: TextStyle(
                       fontSize: fFontsize,
                       color: colors.foreground,
+                    ).merge(
+                      romajiEnabled && autoTransliterateRomaji
+                          ? null
+                          : japaneseFont.textStyle,
                     ),
                   )
                 : Text(
@@ -77,9 +81,10 @@ class KanjiKanaBox extends StatelessWidget {
 
             DefaultTextStyle.merge(
               child: hasFurigana
-                  ? Text(word.word!)
+                  ? Text(word.word ?? word.reading!)
                   : Text(wordReading ?? word.word!),
-              style: TextStyle(fontSize: kanjiFontsize),
+              style: TextStyle(fontSize: kanjiFontsize)
+                  .merge(japaneseFont.textStyle),
             ),
             if (romajiEnabled && showRomajiBelow)
               Text(

lib/components/search/search_results_body/parts/sense/antonyms.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 
 import '../../../../../models/themes/theme.dart';
 import '../../../../../routing/routes.dart';
+import '../../../../../settings.dart';
 import 'search_chip.dart';
 
 class Antonyms extends StatelessWidget {
@@ -41,6 +42,7 @@ class Antonyms extends StatelessWidget {
                 child: SearchChip(
                   text: antonym,
                   colors: colors,
+                  extraTextStyle: japaneseFont.textStyle,
                 ),
               ),
           ],

lib/components/search/search_results_body/parts/sense/search_chip.dart

@@ -5,11 +5,13 @@ import '../../../../../models/themes/theme.dart';
 class SearchChip extends StatelessWidget {
   final String text;
   final ColorSet colors;
+  final TextStyle? extraTextStyle;
 
   const SearchChip({
     Key? key,
     required this.text,
     this.colors = LightTheme.defaultMenuGreyNormal,
+    this.extraTextStyle,
   }) : super(key: key);
 
   @override
@@ -21,7 +23,7 @@ class SearchChip extends StatelessWidget {
         ),
         child: Text(
           text,
-          style: TextStyle(color: colors.foreground),
+          style: TextStyle(color: colors.foreground).merge(extraTextStyle),
         ),
       );
 }

lib/components/search/search_results_body/parts/sense/supplemental_info.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:unofficial_jisho_api/api.dart';
 
+import '../../../../../settings.dart';
+
 class SupplementalInfo extends StatelessWidget {
   final JishoWordSense sense;
   final List<String>? supplementalInfo;
@@ -42,6 +44,6 @@ class SupplementalInfo extends StatelessWidget {
   @override
   Widget build(BuildContext context) => DefaultTextStyle.merge(
         child: Column(children: _body),
-        style: TextStyle(color: color),
+        style: TextStyle(color: color).merge(japaneseFont.textStyle),
       );
 }

lib/screens/home.dart

@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:mdi/mdi.dart';
 
 import '../bloc/theme/theme_bloc.dart';
+import '../components/common/denshi_jisho_background.dart';
 import 'debug.dart';
 import 'history.dart';
 import 'search/kanji_view.dart';
@@ -30,19 +31,7 @@ class _HomeState extends State<Home> {
             backgroundColor: AppTheme.jishoGreen.background,
             foregroundColor: AppTheme.jishoGreen.foreground,
           ),
-          body: Stack(
+          body: DenshiJishoBackground(child: pages[pageNum].content),
-            children: [
-              Positioned(
-                right: 30,
-                left: 100,
-                bottom: 30,
-                child: Image.asset(
-                  'assets/images/denshi_jisho_background_overlay.png',
-                ),
-              ),
-              pages[pageNum].content,
-            ],
-          ),
           bottomNavigationBar: BottomNavigationBar(
             fixedColor: AppTheme.jishoGreen.background,
             currentIndex: pageNum,
@@ -103,8 +92,8 @@ class _HomeState extends State<Home> {
         if (kDebugMode) ...[
           const _Page(
             content: DebugView(),
-            titleBar:  Text('Debug Page'),
+            titleBar: Text('Debug Page'),
-            item:  BottomNavigationBarItem(
+            item: BottomNavigationBarItem(
               label: 'Debug',
               icon: Icon(Icons.biotech),
             ),

lib/screens/search/search_mechanisms/grade_list.dart

@@ -5,6 +5,7 @@ import '../../../../data/grades.dart';
 import '../../../../models/themes/theme.dart';
 import '../../../../routing/routes.dart';
 import '../../../components/common/loading.dart';
+import '../../../settings.dart';
 
 class KanjiGradeSearch extends StatefulWidget {
   const KanjiGradeSearch({Key? key}) : super(key: key);
@@ -48,7 +49,7 @@ class _GridItem extends StatelessWidget {
           style: TextStyle(
             color: color.foreground,
             fontSize: 25,
-          ),
+          ).merge(japaneseFont.textStyle),
         ),
       ),
     );

lib/screens/search/search_mechanisms/radical_list.dart

@@ -4,6 +4,7 @@ import '../../../../bloc/theme/theme_bloc.dart';
 import '../../../../data/radicals.dart';
 import '../../../../routing/routes.dart';
 import '../../../../services/jisho_api/radicals_search.dart';
+import '../../../settings.dart';
 
 class KanjiRadicalSearch extends StatefulWidget {
   final String? prechosenRadical;
@@ -32,7 +33,7 @@ class _KanjiRadicalSearchState extends State<KanjiRadicalSearch> {
     if (widget.prechosenRadical != null &&
         radicalToggles.containsKey(widget.prechosenRadical))
       radicalToggles[widget.prechosenRadical!] = true;
-      updateSuggestions();
+    updateSuggestions();
     super.initState();
   }
 
@@ -162,47 +163,50 @@ class _KanjiRadicalSearchState extends State<KanjiRadicalSearch> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(title: const Text('Choose by radicals')),
-      body: Column(
+      body: DefaultTextStyle.merge(
-        children: [
+        style: japaneseFont.textStyle,
-          Expanded(
+        child: Column(
-            child: (suggestions.isEmpty)
+          children: [
-                ? Center(
+            Expanded(
-                    child: BlocBuilder<ThemeBloc, ThemeState>(
+              child: (suggestions.isEmpty)
-                      builder: (context, state) => Text(
+                  ? Center(
-                        'Toggle a radical to start',
+                      child: BlocBuilder<ThemeBloc, ThemeState>(
-                        style: TextStyle(
+                        builder: (context, state) => Text(
-                          fontSize: fontSize * 0.8,
+                          'Toggle a radical to start',
-                          color: state.theme.menuGreyNormal.background,
+                          style: TextStyle(
+                            fontSize: fontSize * 0.8,
+                            color: state.theme.menuGreyNormal.background,
+                          ),
                         ),
                       ),
+                    )
+                  : GridView.count(
+                      crossAxisCount: 6,
+                      mainAxisSpacing: 10,
+                      crossAxisSpacing: 10,
+                      padding: const EdgeInsets.all(10),
+                      children:
+                          suggestions.map((s) => kanjiGridElement(s)).toList(),
                     ),
-                  )
-                : GridView.count(
-                    crossAxisCount: 6,
-                    mainAxisSpacing: 10,
-                    crossAxisSpacing: 10,
-                    padding: const EdgeInsets.all(10),
-                    children:
-                        suggestions.map((s) => kanjiGridElement(s)).toList(),
-                  ),
-          ),
-          Divider(
-            color: AppTheme.jishoGreen.background,
-            thickness: 3,
-            height: 30,
-            indent: 5,
-            endIndent: 5,
-          ),
-          Expanded(
-            child: GridView.count(
-              crossAxisCount: 6,
-              mainAxisSpacing: 10,
-              crossAxisSpacing: 10,
-              padding: const EdgeInsets.all(10),
-              children: radicalGridElements,
             ),
-          ),
+            Divider(
-        ],
+              color: AppTheme.jishoGreen.background,
+              thickness: 3,
+              height: 30,
+              indent: 5,
+              endIndent: 5,
+            ),
+            Expanded(
+              child: GridView.count(
+                crossAxisCount: 6,
+                mainAxisSpacing: 10,
+                crossAxisSpacing: 10,
+                padding: const EdgeInsets.all(10),
+                children: radicalGridElements,
+              ),
+            ),
+          ],
+        ),
       ),
     );
   }

lib/screens/settings.dart

@@ -1,8 +1,10 @@
 import 'package:confirm_dialog/confirm_dialog.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_settings_ui/flutter_settings_ui.dart';
+import 'package:mdi/mdi.dart';
 
 import '../bloc/theme/theme_bloc.dart';
+import '../components/common/denshi_jisho_background.dart';
 import '../models/history/search.dart';
 import '../settings.dart';
 
@@ -36,6 +38,32 @@ class _SettingsViewState extends State<SettingsView> {
     setState(() => autoThemeEnabled = b);
   }
 
+  Future<int?> Function(BuildContext) _chooseFromList({
+    required List<String> list,
+    int? chosen,
+    String? title,
+  }) =>
+      (context) => Navigator.push<int>(
+            context,
+            MaterialPageRoute(
+              builder: (context) => Scaffold(
+                appBar: AppBar(title: title == null ? null : Text(title)),
+                body: DenshiJishoBackground(
+                  child: ListView.builder(
+                    itemBuilder: (context, i) => ListTile(
+                      title: Text(list[i]),
+                      trailing: (chosen != null && chosen == i)
+                          ? const Icon(Icons.check)
+                          : null,
+                      onTap: () => Navigator.pop(context, i),
+                    ),
+                    itemCount: list.length,
+                  ),
+                ),
+              ),
+            ),
+          );
+
   @override
   Widget build(BuildContext context) => BlocBuilder<ThemeBloc, ThemeState>(
         builder: (context, state) {
@@ -44,6 +72,10 @@ class _SettingsViewState extends State<SettingsView> {
                 state is DarkThemeState ? AppTheme.jishoGreen.background : null,
           );
 
+          const SettingsTileTheme theme = SettingsTileTheme(
+            horizontalTitleGap: 0,
+          );
+
           return SettingsList(
             backgroundColor: Colors.transparent,
             contentPadding: const EdgeInsets.symmetric(vertical: 10),
@@ -54,21 +86,48 @@ class _SettingsViewState extends State<SettingsView> {
                 tiles: <SettingsTile>[
                   SettingsTile.switchTile(
                     title: 'Use romaji',
+                    leading: const Icon(Mdi.alphabetical),
                     onToggle: (b) {
                       setState(() => romajiEnabled = b);
                     },
                     switchValue: romajiEnabled,
+                    theme: theme,
                     switchActiveColor: AppTheme.jishoGreen.background,
                   ),
                   SettingsTile.switchTile(
                     title: 'Extensive search',
+                    leading: const Icon(Icons.downloading),
                     onToggle: (b) {
                       setState(() => extensiveSearchEnabled = b);
                     },
                     switchValue: extensiveSearchEnabled,
+                    theme: theme,
                     switchActiveColor: AppTheme.jishoGreen.background,
-                    subtitle:
+                    // subtitle:
-                        'Gathers extra data when searching for words, at the expense of having to wait for extra word details',
+                    //     'Gathers extra data when searching for words, at the expense of having to wait for extra word details.',
+                    // subtitleWidget:
+                    trailing: const Icon(Icons.info),
+                    subtitleMaxLines: 3,
+                  ),
+                  SettingsTile(
+                    title: 'Japanese font',
+                    leading: const Icon(Icons.format_size),
+                    onPressed: (context) async {
+                      final int? i = await _chooseFromList(
+                        list: [
+                          for (final font in JapaneseFont.values) font.name
+                        ],
+                        chosen: japaneseFont.index,
+                      )(context);
+                      if (i != null)
+                        setState(() {
+                          japaneseFont = JapaneseFont.values[i];
+                        });
+                    },
+                    theme: theme,
+                    trailing: Text(japaneseFont.name),
+                    // subtitle:
+                    //     'Which font to use for japanese text. This might be useful if your phone shows kanji with a Chinese font.',
                     subtitleMaxLines: 3,
                   ),
                 ],
@@ -78,13 +137,16 @@ class _SettingsViewState extends State<SettingsView> {
                 titleTextStyle: _titleTextStyle,
                 tiles: <SettingsTile>[
                   SettingsTile.switchTile(
-                    title: 'Automatically determine theme',
+                    title: 'Automatic theme',
+                    leading: const Icon(Icons.brightness_auto),
                     onToggle: toggleAutoTheme,
                     switchValue: autoThemeEnabled,
+                    theme: theme,
                     switchActiveColor: AppTheme.jishoGreen.background,
                   ),
                   SettingsTile.switchTile(
                     title: 'Dark Theme',
+                    leading: const Icon(Icons.dark_mode),
                     onToggle: (b) {
                       BlocProvider.of<ThemeBloc>(context)
                           .add(SetTheme(themeIsDark: b));
@@ -92,6 +154,7 @@ class _SettingsViewState extends State<SettingsView> {
                     },
                     switchValue: darkThemeEnabled,
                     enabled: !autoThemeEnabled,
+                    theme: theme,
                     switchActiveColor: AppTheme.jishoGreen.background,
                   ),
                 ],

lib/settings.dart

@@ -1,13 +1,50 @@
+import 'package:flutter/material.dart';
 import 'package:get_it/get_it.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 final SharedPreferences _prefs = GetIt.instance.get<SharedPreferences>();
 
+enum JapaneseFont {
+  none,
+  droidSansJapanese,
+  notoSansCJK,
+  notoSerifCJK,
+}
+
+extension Methods on JapaneseFont {
+  TextStyle get textStyle {
+    String? fontFamily;
+    switch (this) {
+      case JapaneseFont.droidSansJapanese:
+        fontFamily = 'Droid Sans Japanese';
+        break;
+      case JapaneseFont.notoSansCJK:
+        fontFamily = 'Noto Sans CJK';
+        break;
+      case JapaneseFont.notoSerifCJK:
+        fontFamily = 'Noto Serif CJK';
+        break;
+      case JapaneseFont.none:
+    }
+    return TextStyle(fontFamily: fontFamily);
+  }
+
+  String get name =>
+      {
+        JapaneseFont.none: 'Default',
+        JapaneseFont.droidSansJapanese: 'Droid Sans Japanese',
+        JapaneseFont.notoSansCJK: 'Noto Sans CJK',
+        JapaneseFont.notoSerifCJK: 'Noto Serif CJK',
+      }[this] ??
+      '';
+}
+
 const Map<String, dynamic> _defaults = {
   'romajiEnabled': false,
   'extensiveSearch': true,
   'darkThemeEnabled': false,
   'autoThemeEnabled': false,
+  'japaneseFont': JapaneseFont.droidSansJapanese,
 };
 
 bool _getSettingOrDefault(String settingName) =>
@@ -17,8 +54,13 @@ bool get romajiEnabled => _getSettingOrDefault('romajiEnabled');
 bool get extensiveSearchEnabled => _getSettingOrDefault('extensiveSearch');
 bool get darkThemeEnabled => _getSettingOrDefault('darkThemeEnabled');
 bool get autoThemeEnabled => _getSettingOrDefault('autoThemeEnabled');
+JapaneseFont get japaneseFont {
+  final int? i = _prefs.getInt('japaneseFont');
+  return (i != null) ? JapaneseFont.values[i] : _defaults['japaneseFont'];
+}
 
 set romajiEnabled(b) => _prefs.setBool('romajiEnabled', b);
 set extensiveSearchEnabled(b) => _prefs.setBool('extensiveSearch', b);
 set darkThemeEnabled(b) => _prefs.setBool('darkThemeEnabled', b);
 set autoThemeEnabled(b) => _prefs.setBool('autoThemeEnabled', b);
+set japaneseFont(JapaneseFont jf) => _prefs.setInt('japaneseFont', jf.index);

pubspec.yaml

@@ -44,18 +44,27 @@ flutter:
   uses-material-design: true
   
   assets:
+    - assets/fonts/
     - assets/images/
     - assets/images/logo/
   #  - images/a_dot_burr.jpeg
   #  - images/a_dot_ham.jpeg
 
 
-  # fonts:
+  fonts:
-  #   - family: Schyler
+    - family: Droid Sans Japanese
-  #     fonts:
+      fonts:
-  #       - asset: fonts/Schyler-Regular.ttf
+        - asset: assets/fonts/DroidSansJapanese.ttf
-  #       - asset: fonts/Schyler-Italic.ttf
+
-  #         style: italic
+    - family: Noto Sans CJK
+      fonts:
+        - asset: assets/fonts/NotoSansCJK-Regular.ttc 
+
+    - family: Noto Serif CJK
+      fonts:
+        - asset: assets/fonts/NotoSerifCJK-Regular.ttc
+        # - asset: fonts/Schyler-Italic.ttf
+          # style: italic
   #   - family: Trajan Pro
   #     fonts:
   #       - asset: fonts/TrajanPro.ttf