Weight Scale BLE

dev_3.3_BLE
haroon amjad 2 years ago
parent 3f767f738a
commit 5b7cde43d1

@ -6,6 +6,7 @@ import 'package:diplomaticquarterapp/pages/medical/my_trackers/blood_suger/blood
import 'package:diplomaticquarterapp/pages/medical/my_trackers/ecg_ble.dart';
import 'package:diplomaticquarterapp/pages/medical/my_trackers/spirometer.dart';
import 'package:diplomaticquarterapp/pages/medical/my_trackers/temperature.dart';
import 'package:diplomaticquarterapp/pages/medical/my_trackers/weight_scale_ble.dart';
import 'package:diplomaticquarterapp/uitl/translations_delegate_base.dart';
import 'package:diplomaticquarterapp/widgets/data_display/medical/medical_profile_item.dart';
import 'package:diplomaticquarterapp/widgets/others/app_scaffold_widget.dart';
@ -140,6 +141,19 @@ class MyTrackers extends StatelessWidget {
height: 45.0,
),
),
InkWell(
onTap: () {
Navigator.push(context, FadePage(page: WeightScaleBLE()));
},
child: MedicalProfileItem(
title: "Weight BLE",
imagePath: 'assets/tracker/weight.png',
subTitle: null,
isPngImage: true,
width: 45.0,
height: 45.0,
),
),
],
),
),

@ -0,0 +1,142 @@
import 'dart:async';
import 'package:diplomaticquarterapp/theme/colors.dart';
import 'package:diplomaticquarterapp/uitl/ble_utils.dart';
import 'package:diplomaticquarterapp/uitl/bluetooth_off.dart';
import 'package:diplomaticquarterapp/uitl/translations_delegate_base.dart';
import 'package:diplomaticquarterapp/widgets/buttons/defaultButton.dart';
import 'package:diplomaticquarterapp/widgets/others/app_scaffold_widget.dart';
import 'package:flutter/material.dart';
import 'package:flutter_blue_plus/flutter_blue_plus.dart';
import 'package:permission_handler/permission_handler.dart';
class WeightScaleBLE extends StatefulWidget {
@override
State<WeightScaleBLE> createState() => _WeightScaleBLEState();
}
class _WeightScaleBLEState extends State<WeightScaleBLE> {
String connectionStatus = "disconnected";
String currentBloodGlucose = "0.0";
BluetoothDevice currentConnectedDevice;
StreamSubscription bleDevicesStream;
@override
Widget build(BuildContext context) {
return AppScaffold(
appBarTitle: TranslationBase.of(context).weight,
showNewAppBar: true,
isShowDecPage: true,
showNewAppBarTitle: true,
backgroundColor: Color(0xffF8F8F8),
body: SingleChildScrollView(
child: StreamBuilder<BluetoothAdapterState>(
stream: FlutterBluePlus.adapterState,
initialData: BluetoothAdapterState.unknown,
builder: (c, snapshot) {
final adapterState = snapshot.data;
if (adapterState == BluetoothAdapterState.on) {
return Container(
margin: EdgeInsets.only(top: 200.0, left: 50.0, right: 50.0),
child: Column(
children: [
Center(
child: DefaultButton(
TranslationBase.of(context).start.toUpperCase(),
() {
checkBLEPermissions();
},
color: CustomColors.green,
),
),
SizedBox(
height: 50.0,
),
Text("Connection state: $connectionStatus"),
SizedBox(
height: 50.0,
),
Text("Current Temp: $currentBloodGlucose" + " mg/dL"),
],
),
);
} else {
FlutterBluePlus.stopScan();
return SizedBox(height: 300.0, child: BluetoothOffScreen(adapterState: adapterState));
}
}),
),
);
}
void checkBLEPermissions() {
[Permission.location, Permission.storage, Permission.bluetooth, Permission.bluetoothConnect, Permission.bluetoothScan].request().then((status) {
startBLEConnection();
});
}
void startBLEConnection() {
if (FlutterBluePlus.isScanningNow == false) {
setState(() {
connectionStatus = "Connecting...";
});
bleDevicesStream = FlutterBluePlus.scanResults.listen(
(results) {
List<ScanResult> blueToothDevices = results;
blueToothDevices.forEach((element) async {
if (element.device.localName.isNotEmpty) {
if (element.device.localName.toLowerCase() == "sdic") {
element.device.connectionState.listen((BluetoothConnectionState state) async {
setState(() {
connectionStatus = state.toString();
});
if (state == BluetoothConnectionState.disconnected) {
// typically, start a periodic timer that tries to periodically reconnect.
// Note: you must always re-discover services after disconnection!
}
if (state == BluetoothConnectionState.connected) {
currentConnectedDevice = element.device;
bleDevicesStream.cancel();
List<BluetoothService> services = await element.device.discoverServices();
services.forEach((service) {
if (service.serviceUuid.toString().toLowerCase() == BLEUtils.WEIGHT_MEASUREMENT_SERVICE) {
print(service.serviceUuid);
service.characteristics.forEach((characteristic) async {
// if (characteristic.characteristicUuid.toString().toLowerCase() == BLEUtils.WEIGHT_MEASUREMENT_CHARACTERISTIC_FFF3) {
// print(characteristic.characteristicUuid);
// characteristic.onValueReceived.listen((event) {
// print("onValueReceived fff3 Stream");
// print(event);
// });
// await characteristic.setNotifyValue(true);
// }
if (characteristic.characteristicUuid.toString().toLowerCase() == BLEUtils.WEIGHT_MEASUREMENT_CHARACTERISTIC_FFF1) {
print(characteristic.characteristicUuid);
characteristic.onValueReceived.listen((event) {
print("onValueReceived fff1 Stream");
print(event);
});
await characteristic.setNotifyValue(true);
}
});
return true;
}
});
}
});
await element.device.connect(timeout: Duration(seconds: 35));
return true;
}
}
});
},
// onError(e) => print(e);
);
FlutterBluePlus.startScan(timeout: const Duration(seconds: 5), androidUsesFineLocation: false);
}
}
}
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