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healthcare-frontend/lib/BP/bp_calculator.dart

202 lines
8.9 KiB

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:healthcare_user/BP/bp_history.dart';
import 'package:healthcare_user/common/settings.dart';
import 'package:intl/intl.dart';
class BPCalculator extends StatefulWidget {
const BPCalculator({Key? key}) : super(key: key);
@override
State<BPCalculator> createState() => _BPCalculatorState();
}
class _BPCalculatorState extends State<BPCalculator> {
TextEditingController systoloicController = TextEditingController();
TextEditingController diastolicController = TextEditingController();
TextEditingController dateInput = TextEditingController();
String bpValue = '';
String bpText = '';
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppSettings.appBar('Blood Pressure'),
body: SingleChildScrollView(
child: Container(
child: Padding(
padding: EdgeInsets.all(10),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.start,
children: [
TextFormField(
cursorColor: greyColor,
controller: systoloicController,
textCapitalization: TextCapitalization.characters,
keyboardType: TextInputType.number,
decoration: const InputDecoration(
prefixIcon: Icon(
Icons.upload,
color: primaryColor,
),
border: OutlineInputBorder(
borderSide: BorderSide(color: primaryColor)),
focusedBorder: OutlineInputBorder(
borderSide: BorderSide(color: primaryColor),
),
enabledBorder: OutlineInputBorder(
borderSide: BorderSide(color: primaryColor),
),
labelText: 'Enter systolic value',
labelStyle: TextStyle(
color: greyColor, //<-- SEE HERE
),
),
),
SizedBox(height: 10),
TextFormField(
cursorColor: greyColor,
controller: diastolicController,
textCapitalization: TextCapitalization.characters,
keyboardType: TextInputType.number,
decoration: const InputDecoration(
prefixIcon: Icon(
Icons.download,
color: primaryColor,
),
border: OutlineInputBorder(
borderSide: BorderSide(color: primaryColor)),
focusedBorder: OutlineInputBorder(
borderSide: BorderSide(color: primaryColor),
),
enabledBorder: OutlineInputBorder(
borderSide: BorderSide(color: primaryColor),
),
labelText: 'Enter diastolic value',
labelStyle: TextStyle(
color: greyColor, //<-- SEE HERE
),
),
),
SizedBox(height: 10),
Container(
child: TextFormField(
cursorColor: greyColor,
controller: dateInput,
decoration: textFormFieldDecorationBMI(
Icons.calendar_today, 'Enter Date'),
readOnly: true,
onTap: () async {
DateTime? pickedDate = await showDatePicker(
context: context,
initialDate: DateTime.now(),
firstDate: DateTime(1950),
lastDate: DateTime.now(),
builder: (BuildContext context, Widget? child) {
return Theme(
data: ThemeData.dark().copyWith(
colorScheme: ColorScheme.dark(
primary: buttonColors,
onPrimary: Colors.white,
surface: buttonColors,
onSurface: Colors.white,
),
dialogBackgroundColor: primaryColor,
),
child: child!,
);
},
);
if (pickedDate != null) {
print(
pickedDate); //pickedDate output format => 2021-03-10 00:00:00.000
String formattedDate =
DateFormat('dd-MM-yyyy').format(pickedDate);
print(
formattedDate); //formatted date output using intl package => 2021-03-16
setState(() {
dateInput.text =
formattedDate; //set output date to TextField value.
});
} else {}
},
),
),
SizedBox(height: 10),
Container(
width: double.infinity,
height:
MediaQuery.of(context).size.height * .05,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
primary: buttonColors, // background
onPrimary: Colors.black, // foreground
),
onPressed: () async {
if (systoloicController.text != '' &&
diastolicController.text != ''&&dateInput.text!='') {
AppSettings.preLoaderDialog(context);
var payload = new Map<String, dynamic>();
payload["Systolic"] = double.parse(systoloicController.text.toString());
payload["Diastolic"] = double.parse(diastolicController.text.toString());
payload["date"] =dateInput.text.toString();
var value = await AppSettings.calculateBP(payload);
var valueResponse = jsonDecode(value);
print(valueResponse);
setState(() {
bpValue = valueResponse['userDetails']['bpCategory'].toString();
});
systoloicController.clear();
diastolicController.clear();
dateInput.clear();
Navigator.of(context,rootNavigator: true).pop();
}
else{
AppSettings.longFailedToast('Please enter valid details');
}
},
child: const Text('Check BP'),
)),
SizedBox(height: 20),
Container(
child: Row(
children: [
Text(bpValue,style: TextStyle(color: Colors.red,fontWeight: FontWeight.bold,fontSize: 15),),
],
)
),
SizedBox(height: 20),
IconButton(
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => BPHistory()),
);
},
icon: Icon(
Icons.history,
color: primaryColor,
size: 40,
),
),
SizedBox(height: 10),
Padding(padding: EdgeInsets.fromLTRB(10,0,0,0),
child: Container(
child: Text('History',style:TextStyle(color:Colors.black,fontSize: 12,fontWeight: FontWeight.bold,)),
),)
],
),
)
),
)
);
}
}