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117 lines
3.4 KiB
Dart
117 lines
3.4 KiB
Dart
import 'package:diplomaticquarterapp/viatom_ble/ble_connect.dart';
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import 'package:diplomaticquarterapp/widgets/others/app_scaffold_widget.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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class Oxymeter_BLE extends StatefulWidget {
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@override
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State<Oxymeter_BLE> createState() => _Oxymeter_BLEState();
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}
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class _Oxymeter_BLEState extends State<Oxymeter_BLE> {
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EventChannel eventChannel = EventChannel('BLE-Platform-Bridge-Event');
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String receivedData = '';
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final oxymeterValueNotifier = ValueNotifier<String>("start");
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@override
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void dispose() {
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oxymeterValueNotifier.dispose();
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super.dispose();
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}
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@override
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void initState() {
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// TODO: implement initState
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super.initState();
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eventChannel.receiveBroadcastStream().listen((event) {
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print('Received event---: $event');
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oxymeterValueNotifier.value = event;
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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 AppScaffold(
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appBarTitle: "Oxymeter",
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showNewAppBar: true,
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isShowDecPage: true,
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showNewAppBarTitle: true,
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backgroundColor: Color(0xffF8F8F8),
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body: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.center,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Center(
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child: GestureDetector(
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onTap: () async {
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await BleChannel.getScanningResult();
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},
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child: Container(
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width: 50,
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height: 50,
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color: Colors.blueAccent,
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),
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),
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),
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ValueListenableBuilder(
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valueListenable: oxymeterValueNotifier,
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builder: (context, value, _) {
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return value != "start"
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? Column(
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children: [
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Text(
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getSPO2(
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value.toString().replaceAll("RtParam", ""),
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),
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),
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Text(
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getPR(
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value.toString().replaceAll("RtParam", ""),
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),
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),
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Text(
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getPI(
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value.toString().replaceAll("RtParam", ""),
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),
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),
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],
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)
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: Text(value);
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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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String getSPO2(String value) {
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return "SpO2: " + value.split(",")[0].replaceAll("{spo2=", "");
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}
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String getPR(String value) {
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return "Pulse Rate: " + value.split(",")[1].replaceAll("pr=", "");
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}
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String getPI(String value) {
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return "Perfusion Index: " + value.split(",")[2].replaceAll("pi=", "") + "%";
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}
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// List<String> setResult(String value) {
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// List<String> values = value.split(",");
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//
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// print(values[0].replaceAll("{spo2=", ""));
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// print(values[1].replaceAll("pr=", ""));
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// print(values[2].replaceAll("pi=", ""));
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//
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// values.clear();
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// values.add(values[0].replaceAll("{spo2=", ""));
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// values.add(values[1].replaceAll("pr=", ""));
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// values.add(values[2].replaceAll("pi=", ""));
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//
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// return values;
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// }
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}
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