added barcodes page

example/lib/models/code.dart

@@ -21,4 +21,6 @@ class Code extends HiveObject {
     format = result.format;
     text = result.textString;
   }
+
+  String get formatName => FlutterZxing.formatName(format ?? 0);
 }

example/lib/models/encode.dart

@@ -24,11 +24,13 @@ class Encode extends HiveObject {
 
   Encode();
 
-  Encode.fromEncodeResult(EncodeResult result) {
+  Encode.fromEncodeResult(EncodeResult result, Uint8List? bytes) {
     isValid = result.isValidBool;
     format = result.format;
     text = result.textString;
-    data = result.bytes as Uint8List?;
+    data = bytes;
     length = result.length;
   }
+
+  String get formatName => FlutterZxing.formatName(format ?? 0);
 }

example/lib/pages/barcodes_page.dart

@@ -0,0 +1,82 @@
+import 'dart:typed_data';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_zxing_example/models/models.dart';
+import 'package:flutter_zxing_example/utils/db_service.dart';
+import 'package:flutter_zxing_example/utils/router.dart';
+import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+import 'package:hive_flutter/hive_flutter.dart';
+
+class BarcodesPage extends StatefulWidget {
+  const BarcodesPage({
+    Key? key,
+  }) : super(key: key);
+
+  @override
+  State<BarcodesPage> createState() => _BarcodesPageState();
+}
+
+class _BarcodesPageState extends State<BarcodesPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Barcodes'),
+      ),
+      body: _buildResultList(),
+      floatingActionButton: FloatingActionButton(
+        child: const Icon(FontAwesomeIcons.plus),
+        onPressed: () {
+          Navigator.of(context).pushNamed(AppRoutes.creator);
+        },
+      ),
+    );
+  }
+
+  _buildResultList() {
+    return ValueListenableBuilder<Box<Encode>>(
+        valueListenable: DbService.instance.getEncodes().listenable(),
+        builder: (context, box, _) {
+          final results = box.values.toList().cast<Encode>();
+          return results.isEmpty
+              ? const Center(
+                  child: Text(
+                  'Tap + to create a Barcode',
+                  style: TextStyle(fontSize: 24),
+                ))
+              : ListView.builder(
+                  itemCount: results.length,
+                  itemBuilder: (context, index) {
+                    final result = results[index];
+                    return ListTile(
+                      leading: Image.memory(result.data ?? Uint8List(0)),
+                      title: Text(result.text ?? ''),
+                      subtitle: Text(result.formatName),
+                      trailing: ButtonBar(
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
+                          // Copy button
+                          TextButton(
+                            child: const Text('Copy'),
+                            onPressed: () {
+                              Clipboard.setData(
+                                  ClipboardData(text: result.text));
+                            },
+                          ),
+                          // Remove button
+                          IconButton(
+                            icon: const Icon(Icons.delete, color: Colors.red),
+                            onPressed: () {
+                              DbService.instance.deleteEncode(result);
+                              setState(() {});
+                            },
+                          ),
+                        ],
+                      ),
+                    );
+                  },
+                );
+        });
+  }
+}

example/lib/pages/creator_page.dart

@@ -3,6 +3,8 @@ import 'dart:typed_data';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_zxing/flutter_zxing.dart';
+import 'package:flutter_zxing_example/models/encode.dart';
+import 'package:flutter_zxing_example/utils/db_service.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:share_plus/share_plus.dart';
 
@@ -22,7 +24,7 @@ class _CreatorPageState extends State<CreatorPage> {
   bool isAndroid() => Theme.of(context).platform == TargetPlatform.android;
 
   // Write result
-  Uint8List? writeResult;
+  Encode? encode;
 
   @override
   void initState() {
@@ -47,14 +49,14 @@ class _CreatorPageState extends State<CreatorPage> {
         child: Column(
           children: [
             ZxingWriterWidget(
-              onSuccess: (result) {
+              onSuccess: (result, bytes) {
                 setState(() {
-                  writeResult = result;
+                  encode = Encode.fromEncodeResult(result, bytes);
                 });
               },
               onError: (error) {
                 setState(() {
-                  writeResult = null;
+                  encode = null;
                 });
                 ScaffoldMessenger.of(context).hideCurrentSnackBar();
                 ScaffoldMessenger.of(context).showSnackBar(
@@ -70,7 +72,7 @@ class _CreatorPageState extends State<CreatorPage> {
                 );
               },
             ),
-            if (writeResult != null) buildWriteResult(),
+            if (encode != null) buildWriteResult(),
           ],
         ),
       ),
@@ -81,19 +83,35 @@ class _CreatorPageState extends State<CreatorPage> {
     return Column(
       children: [
         // Barcode image
-        Image.memory(writeResult ?? Uint8List(0)),
+        Image.memory(encode?.data ?? Uint8List(0)),
+        const SizedBox(height: 20),
         // Share button
+        Row(
+          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+          crossAxisAlignment: CrossAxisAlignment.center,
+          children: [
             ElevatedButton(
               onPressed: () {
                 // Save image to device
                 final file = File(tempPath);
-            file.writeAsBytesSync(writeResult ?? Uint8List(0));
+                file.writeAsBytesSync(encode?.data ?? Uint8List(0));
                 final path = file.path;
                 // Share image
                 Share.shareFiles([path]);
               },
               child: const Text('Share'),
             ),
+            ElevatedButton(
+              onPressed: () async {
+                if (encode != null) {
+                  await DbService.instance.addEncode(encode!);
+                  Navigator.of(context).pop();
+                }
+              },
+              child: const Text('Save'),
+            ),
+          ],
+        ),
       ],
     );
   }

example/lib/pages/history_page.dart

@@ -41,7 +41,7 @@ class _HistoryPageState extends State<HistoryPage> {
                     final result = results[index];
                     return ListTile(
                       title: Text(result.text ?? ''),
-                      subtitle: Text(result.format.toString()),
+                      subtitle: Text(result.formatName),
                       trailing: ButtonBar(
                         mainAxisSize: MainAxisSize.min,
                         children: [
@@ -57,8 +57,8 @@ class _HistoryPageState extends State<HistoryPage> {
                           IconButton(
                             icon: const Icon(Icons.delete, color: Colors.red),
                             onPressed: () {
-                              // DbService.instance.deleteCode(result);
+                              DbService.instance.deleteCode(result);
-                              // setState(() {});
+                              setState(() {});
                             },
                           ),
                         ],

example/lib/pages/home_page.dart

@@ -1,5 +1,6 @@
 import 'package:convex_bottom_bar/convex_bottom_bar.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_zxing_example/pages/barcodes_page.dart';
 import 'package:flutter_zxing_example/pages/creator_page.dart';
 import 'package:flutter_zxing_example/pages/history_page.dart';
 import 'package:flutter_zxing_example/pages/scanner_page.dart';
@@ -16,14 +17,14 @@ class HomePage extends StatefulWidget {
 class _HomePageState extends State<HomePage> {
   var selectedIndex = 2;
 
-  final creatorPage = const CreatorPage();
+  final barcodesPage = const BarcodesPage();
   final historyPage = const HistoryPage();
   final scannerPage = const ScannerPage();
   final helpPage = Container();
   final settingsPage = const SettingsPage();
 
   dynamic pages() => [
-        creatorPage,
+        barcodesPage,
         historyPage,
         scannerPage,
         helpPage,

example/lib/utils/db_service.dart

@@ -9,42 +9,53 @@ class DbService {
   Future<void> initializeApp() async {
     await Hive.initFlutter();
     Hive.registerAdapter(CodeAdapter());
+    Hive.registerAdapter(EncodeAdapter());
 
     await Hive.openBox<Code>('codes');
     await Hive.openBox<Encode>('encodes');
-
-    // Hive.box('codes').close();
   }
 
   Box<Code> getCodes() => Hive.box<Code>('codes');
 
   Future deleteCodes() async {
-    var codes = getCodes();
+    var items = getCodes();
-    await codes.deleteAll(codes.keys);
+    await items.deleteAll(items.keys);
     return;
   }
 
   Future addCode(Code value) async {
-    var codes = getCodes();
+    var items = getCodes();
-    if (!codes.values.contains(value)) {
+    if (!items.values.contains(value)) {
-      return codes.add(value);
+      return items.add(value);
+    }
+    return;
   }
+
+  Future<void> deleteCode(Code value) async {
+    var items = getCodes();
+    await items.delete(value.key);
     return;
   }
 
   Box<Encode> getEncodes() => Hive.box<Encode>('encodes');
 
   Future deleteEncodes() async {
-    var encodes = getEncodes();
+    var items = getEncodes();
-    await encodes.deleteAll(encodes.keys);
+    await items.deleteAll(items.keys);
     return;
   }
 
   Future addEncode(Encode value) async {
-    var encodes = getEncodes();
+    var items = getEncodes();
-    if (!encodes.values.contains(value)) {
+    if (!items.values.contains(value)) {
-      return encodes.add(value);
+      return items.add(value);
     }
     return;
   }
+
+  Future<void> deleteEncode(Encode value) async {
+    var items = getEncodes();
+    await items.delete(value.key);
+    return;
+  }
 }

lib/flutter_zxing.dart

@@ -51,6 +51,8 @@ class FlutterZxing {
   }
 
   static int get _logEnabled => logEnabled ? 1 : 0;
+
+  static String formatName(int format) => _formatNames[format] ?? 'Unknown';
 }
 
 // Getting a library that holds needed symbols
@@ -79,23 +81,42 @@ extension CodeExt on CodeResult {
   bool get isValidBool => isValid == 1;
   String? get textString =>
       text == nullptr ? null : text.cast<Utf8>().toDartString();
-  String get formatString => CodeFormat.formatName(format);
+  String get formatString => FlutterZxing.formatName(format);
 }
 
 extension EncodeExt on EncodeResult {
   bool get isValidBool => isValid == 1;
   String? get textString =>
       text == nullptr ? null : text.cast<Utf8>().toDartString();
-  String get formatString => CodeFormat.formatName(format);
+  String get formatString => FlutterZxing.formatName(format);
   Uint32List get bytes => data.asTypedList(length);
   String get errorMessage => error.cast<Utf8>().toDartString();
 }
 
 extension CodeFormat on Format {
-  static String formatName(int format) => formatNames[format] ?? 'Unknown';
+  String get name => _formatNames[this] ?? 'Unknown';
-  String get name => formatNames[this] ?? 'Unknown';
+
+  static final writerFormats = [
+    Format.QRCode,
+    Format.DataMatrix,
+    Format.Aztec,
+    Format.PDF417,
+    Format.Codabar,
+    Format.Code39,
+    Format.Code93,
+    Format.Code128,
+    Format.EAN8,
+    Format.EAN13,
+    Format.ITF,
+    Format.UPCA,
+    Format.UPCE,
+    // Format.DataBar,
+    // Format.DataBarExpanded,
+    // Format.MaxiCode,
+  ];
+}
 
-  static final formatNames = {
+final _formatNames = {
   Format.None: 'None',
   Format.Aztec: 'Aztec',
   Format.Codabar: 'CodaBar',
@@ -116,24 +137,4 @@ extension CodeFormat on Format {
   Format.OneDCodes: 'OneD',
   Format.TwoDCodes: 'TwoD',
   Format.Any: 'Any',
-  };
+};
-
-  static final writerFormats = [
-    Format.QRCode,
-    Format.DataMatrix,
-    Format.Aztec,
-    Format.PDF417,
-    Format.Codabar,
-    Format.Code39,
-    Format.Code93,
-    Format.Code128,
-    Format.EAN8,
-    Format.EAN13,
-    Format.ITF,
-    Format.UPCA,
-    Format.UPCE,
-    // Format.DataBar,
-    // Format.DataBarExpanded,
-    // Format.MaxiCode,
-  ];
-}

lib/zxing_writer_widget.dart

@@ -12,7 +12,7 @@ class ZxingWriterWidget extends StatefulWidget {
     this.onError,
   }) : super(key: key);
 
-  final Function(Uint8List)? onSuccess;
+  final Function(EncodeResult, Uint8List)? onSuccess;
   final Function(String)? onError;
 
   @override
@@ -48,7 +48,7 @@ class _ZxingWriterWidgetState extends State<ZxingWriterWidget>
                 items: _supportedFormats
                     .map((format) => DropdownMenuItem(
                           value: format,
-                          child: Text(CodeFormat.formatName(format)),
+                          child: Text(FlutterZxing.formatName(format)),
                         ))
                     .toList(),
                 onChanged: (format) {
@@ -84,16 +84,16 @@ class _ZxingWriterWidgetState extends State<ZxingWriterWidget>
                     final text = _textController.value.text;
                     const width = 300;
                     const height = 300;
-                    final result = FlutterZxing.encodeBarcode(
+                    var result = FlutterZxing.encodeBarcode(
                         text, width, height, _codeFormat, 5, 0);
                     String? error;
                     if (result.isValidBool) {
                       try {
                         final img =
                             imglib.Image.fromBytes(width, height, result.bytes);
-                        final resultBytes =
+                        final encodedBytes =
                             Uint8List.fromList(imglib.encodeJpg(img));
-                        widget.onSuccess?.call(resultBytes);
+                        widget.onSuccess?.call(result, encodedBytes);
                       } on Exception catch (e) {
                         error = e.toString();
                       }