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331 lines
13 KiB
Dart
331 lines
13 KiB
Dart
import 'dart:math';
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import 'package:doctor_app_flutter/config/config.dart';
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import 'package:doctor_app_flutter/config/size_config.dart';
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import 'package:doctor_app_flutter/core/viewModel/medicine_view_model.dart';
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import 'package:doctor_app_flutter/icons_app/doctor_app_icons.dart';
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import 'package:doctor_app_flutter/screens/base/base_view.dart';
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import 'package:doctor_app_flutter/screens/medicine/pharmacies_list_screen.dart';
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import 'package:doctor_app_flutter/util/dr_app_shared_pref.dart';
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import 'package:doctor_app_flutter/util/dr_app_toast_msg.dart';
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import 'package:doctor_app_flutter/util/helpers.dart';
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import 'package:doctor_app_flutter/util/translations_delegate_base.dart';
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import 'package:doctor_app_flutter/widgets/medicine/medicine_item_widget.dart';
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import 'package:doctor_app_flutter/widgets/shared/app_buttons_widget.dart';
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import 'package:doctor_app_flutter/widgets/shared/app_scaffold_widget.dart';
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import 'package:doctor_app_flutter/widgets/shared/app_text_form_field.dart';
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import 'package:doctor_app_flutter/widgets/shared/app_texts_widget.dart';
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import 'package:doctor_app_flutter/widgets/shared/network_base_view.dart';
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import 'package:flutter/material.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:speech_to_text/speech_recognition_error.dart';
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import 'package:speech_to_text/speech_recognition_result.dart';
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import 'package:speech_to_text/speech_to_text.dart';
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import '../../util/extenstions.dart';
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DrAppSharedPreferances sharedPref = DrAppSharedPreferances();
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class MedicineSearchScreen extends StatefulWidget with DrAppToastMsg {
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MedicineSearchScreen({this.changeLoadingStata});
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final Function changeLoadingStata;
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@override
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_MedicineSearchState createState() => _MedicineSearchState();
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}
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class _MedicineSearchState extends State<MedicineSearchScreen> {
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var data;
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final myController = TextEditingController();
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Helpers helpers = new Helpers();
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bool _hasSpeech = false;
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String _currentLocaleId = "";
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bool _isInit = true;
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final SpeechToText speech = SpeechToText();
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String lastStatus = '';
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// String lastWords;
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List<LocaleName> _localeNames = [];
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String lastError;
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double level = 0.0;
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double minSoundLevel = 50000;
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double maxSoundLevel = -50000;
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String reconizedWord;
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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}
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void requestPermissions() async {
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Map<Permission, PermissionStatus> statuses = await [
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Permission.microphone,
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].request();
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}
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Future<void> initSpeechState() async {
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bool hasSpeech = await speech.initialize(
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onError: errorListener, onStatus: statusListener);
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// if (hasSpeech) {
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// _localeNames = await speech.locales();
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// var systemLocale = await speech.systemLocale();
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_currentLocaleId = TranslationBase.of(context).locale.languageCode == 'en'
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? 'en-GB'
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: 'ar-SA'; // systemLocale.localeId;
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// }
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if (!mounted) return;
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setState(() {
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_hasSpeech = hasSpeech;
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});
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}
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@override
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Widget build(BuildContext context) {
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return BaseView<MedicineViewModel>(
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builder: (_, model, w) => AppScaffold(
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appBarTitle: TranslationBase.of(context).searchMedicine,
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body: FractionallySizedBox(
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widthFactor: 0.97,
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child: SingleChildScrollView(
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child: Column(
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children: <Widget>[
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Column(
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children: <Widget>[
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Container(
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child: Icon(
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DoctorApp.medicine_search,
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size: 100,
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color: Colors.black,
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),
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margin: EdgeInsets.only(top: 50),
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),
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Padding(
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padding: const EdgeInsets.only(top: 12.0),
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child: AppText(
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TranslationBase.of(context).type.toUpperCase(),
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fontWeight: FontWeight.bold,
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fontSize: SizeConfig.heightMultiplier * 2.5,
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),
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),
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Padding(
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padding: const EdgeInsets.only(top: 5.0),
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child: AppText(
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TranslationBase.of(context).searchMedicineImageCaption,
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fontSize: SizeConfig.heightMultiplier * 2,
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),
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)
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],
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),
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SizedBox(
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height: 15,
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),
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FractionallySizedBox(
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widthFactor: 0.9,
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child: Column(
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children: <Widget>[
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Container(
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child: AppTextFormField(
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hintText: TranslationBase.of(context)
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.searchMedicineNameHere,
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controller: myController,
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onSaved: (value) {},
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onFieldSubmitted: (value) {
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searchMedicine(context, model);
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},
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textInputAction: TextInputAction.search,
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// TODO return it back when it needed
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// prefix: IconButton(
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// icon: Icon(Icons.mic),
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// color:
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// lastStatus == 'listening' ? Colors.red : Colors.grey,
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// onPressed: () {
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// myController.text = '';
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// setState(() {
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// lastStatus = 'listening';
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// });
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//
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// startVoiceSearch();
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// }),
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inputFormatter: ONLY_LETTERS),
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),
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SizedBox(
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height: 15,
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),
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Container(
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child: Wrap(
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alignment: WrapAlignment.center,
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children: <Widget>[
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// TODO change it secondary button and add loading
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AppButton(
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title: TranslationBase.of(context).search,
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onPressed: () {
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searchMedicine(context, model);
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},
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),
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],
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),
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),
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NetworkBaseView(
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baseViewModel: model,
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child: Column(
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children: [
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Container(
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margin: EdgeInsets.only(
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left: SizeConfig.heightMultiplier * 2),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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AppText(
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TranslationBase
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.of(context)
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.youCanFind +
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model.pharmacyItemsList.length
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.toString() +
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" " +
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TranslationBase
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.of(context)
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.itemsInSearch,
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fontWeight: FontWeight.bold,
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),
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],
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),
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),
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Container(
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height: MediaQuery
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.of(context)
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.size
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.height * 0.35,
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child: Container(
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child: ListView.builder(
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scrollDirection: Axis.vertical,
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shrinkWrap: true,
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itemCount:
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model.pharmacyItemsList ==
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null
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? 0
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: model
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.pharmacyItemsList.length,
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itemBuilder:
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(BuildContext context, int index) {
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return InkWell(
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child: MedicineItemWidget(
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label: model
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.pharmacyItemsList[index]
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["ItemDescription"],
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url: model
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.pharmacyItemsList[index]
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["ImageSRCUrl"],
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),
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) =>
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PharmaciesListScreen(
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itemID: model
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.pharmacyItemsList[
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index]["ItemID"],
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url: model
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.pharmacyItemsList[
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index]["ImageSRCUrl"]),
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),
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);
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},
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);
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},
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),
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),
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),
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],
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)),
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],
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),
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),
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],
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),
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),
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),),);
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}
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searchMedicine(context, MedicineViewModel model) {
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FocusScope.of(context).unfocus();
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if (myController.text.isNullOrEmpty()) {
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helpers.showErrorToast(TranslationBase
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.of(context)
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.typeMedicineName);
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//"Type Medicine Name")
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return;
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}
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if (myController.text.length < 3) {
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helpers.showErrorToast(TranslationBase
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.of(context)
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.moreThan3Letter);
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return;
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}
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model.getMedicineItem(myController.text);
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}
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startVoiceSearch() {
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// lastWords = "";
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lastError = "";
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speech.listen(
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onResult: resultListener,
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listenFor: Duration(seconds: 10),
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localeId: _currentLocaleId,
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onSoundLevelChange: soundLevelListener,
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cancelOnError: true,
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partialResults: true,
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onDevice: true,
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listenMode: ListenMode.confirmation);
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setState(() {});
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}
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void resultListener(SpeechRecognitionResult result) {
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setState(() {
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// lastWords = "${result.recognizedWords} - ${result.finalResult}";
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reconizedWord = result.recognizedWords;
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lastStatus = '';
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myController.text = reconizedWord;
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Future.delayed(const Duration(seconds: 2), () {
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// searchMedicine(context);
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});
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});
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}
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void errorListener(SpeechRecognitionError error) {
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// print("Received error status: $error, listening: ${speech.isListening}");
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setState(() {
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lastError = "${error.errorMsg} - ${error.permanent}";
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});
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}
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void statusListener(String status) {
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// print(
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// "Received listener status: $status, listening: ${speech.isListening}");
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setState(() {
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lastStatus = status;
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});
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}
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// _switchLang(selectedVal) {
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// setState(() {
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// _currentLocaleId = selectedVal;
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// });
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// print(selectedVal);
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// }
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void soundLevelListener(double level) {
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minSoundLevel = min(minSoundLevel, level);
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maxSoundLevel = max(maxSoundLevel, level);
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// print("sound level $level: $minSoundLevel - $maxSoundLevel ");
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setState(() {
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this.level = level;
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});
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}
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}
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