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| import 'dart:async'; | |
| import 'package:flutter/material.dart'; | |
| import 'package:mobile_scanner/mobile_scanner.dart'; | |
| class ScannerWidget extends StatefulWidget { | |
| final String? title; | |
| final void Function(String value) onScan; |
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| [ | |
| { | |
| "numero": 1, | |
| "nom": "الله", | |
| "transliteration": "ALLAH", | |
| "en": "Allah", | |
| "fr": "Allah" | |
| }, | |
| { | |
| "numero": 2, |
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| final String response = await rootBundle.loadString('assets/surah.json'); | |
| final data = await json.decode(response); |
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| {for (var v in products) v.id!: v}; |
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| Map<String, dynamic> toJson() { | |
| List<Map>? orderProducts = this.orderProducts != null | |
| ? this.orderProducts!.map((i) => i.toJson()).toList() | |
| : null; | |
| return { | |
| 'pos_id': posId, | |
| 'sector_id': sectorId, | |
| 'seller_id': sellerId, | |
| "date": date == null ? null : date!.toIso8601String(), |
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| Stack( | |
| children: [ | |
| Center( | |
| child: Container( | |
| height: 200, | |
| width: 200, | |
| decoration: new BoxDecoration( | |
| borderRadius: BorderRadius.circular(20.0), | |
| ), | |
| child: FlutterLogo(), |
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| //Set the value if it doesn't | |
| //You may be tempted to implement some conditional logic to handle this: | |
| class ShoppingCart { | |
| final Map<String, int> items = {}; | |
| void add(String key, int quantity) { | |
| if (items.containsKey(key)) { | |
| // item exists: update it | |
| items[key] = quantity + items[key]!; |
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| typedef Int2VoidFunc = void Function(int); | |
| // or: typedef void Int2VoidFunc(int arg); | |
| class MyOtherClass { | |
| final Int2VoidFunc callback; | |
| MyOtherClass(this.callback); | |
| void callCallaback() { callback(5); } | |
| } |
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| class SimpleBlocObserver extends BlocObserver { | |
| @override | |
| void onEvent(Bloc bloc, Object? event) { | |
| super.onEvent(bloc, event); | |
| print(event); | |
| } | |
| @override | |
| void onTransition(Bloc bloc, Transition transition) { | |
| super.onTransition(bloc, transition); |
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