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import 'dart:convert';
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import 'package:intl/intl.dart';
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import 'package:flutter/material.dart';
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import 'package:doctor/patient_dashboard/BMI/bmi_history.dart';
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import 'package:doctor/common/settings.dart';
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class BMICalculator extends StatefulWidget {
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String? customerId;
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BMICalculator({this.customerId});
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@override
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State<BMICalculator> createState() => _BMICalculatorState();
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}
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class _BMICalculatorState extends State<BMICalculator> {
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TextEditingController heightController = TextEditingController();
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TextEditingController inchesController = TextEditingController();
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TextEditingController cmsController = TextEditingController();
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TextEditingController weightController = TextEditingController();
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TextEditingController ageController = TextEditingController();
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TextEditingController dateInput = TextEditingController();
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String bmiValue = '';
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String bmiText = '';
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Color bmiTextColor = Colors.black;
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var heightUnitItems = [
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'feet',
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'cm',
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];
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var heightUnits = 'feet';
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var weightUnitItems = [
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'kg',
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];
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var weightUnits = 'kg';
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@override
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void initState() {
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ageController.text = AppSettings.age;
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppSettings.appBar('Calculate BMI'),
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body: SingleChildScrollView(
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child: Container(
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child: Padding(
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padding: EdgeInsets.all(10),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisAlignment: MainAxisAlignment.start,
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children: [
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TextFormField(
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cursorColor: greyColor,
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controller: ageController,
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textCapitalization: TextCapitalization.characters,
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keyboardType: TextInputType.number,
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decoration: const InputDecoration(
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prefixIcon: Icon(
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Icons.person,
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color: primaryColor,
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),
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suffixText: "Yrs",
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border: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor)),
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focusedBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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enabledBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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labelText: 'Age',
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labelStyle: TextStyle(
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color: greyColor, //<-- SEE HERE
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),
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),
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),
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SizedBox(height: 10),
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DropdownButtonFormField(
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// Initial Value
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value: heightUnits,
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isExpanded: true,
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decoration: const InputDecoration(
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prefixIcon: Icon(
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Icons.ac_unit_outlined,
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color: primaryColor,
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),
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border: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor)),
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focusedBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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enabledBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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labelText: 'Select Height units',
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labelStyle: TextStyle(
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color: greyColor, //<-- SEE HERE
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),
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),
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hint: Text('Units'),
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// Down Arrow Icon
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//icon: const Icon(Icons.keyboard_arrow_down),
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// Array list of items
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items: heightUnitItems.map((String items) {
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return DropdownMenuItem(
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value: items,
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child: Text(
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items,
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style: TextStyle(
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fontSize: 16,
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),
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textAlign: TextAlign.center,
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));
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}).toList(),
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// After selecting the desired option,it will
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// change button value to selected value
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onChanged: (String? newValue) {
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setState(() {
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heightUnits = newValue!;
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});
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},
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),
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SizedBox(height: 10),
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Visibility(
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visible: heightUnits == 'feet',
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child: Container(
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//height: 60,
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child: Row(
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children: [
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Expanded(
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child: TextFormField(
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cursorColor: greyColor,
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controller: heightController,
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textCapitalization: TextCapitalization.characters,
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keyboardType: TextInputType.number,
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decoration: const InputDecoration(
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prefixIcon: Icon(
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Icons.height,
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color: primaryColor,
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),
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border: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor)),
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focusedBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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enabledBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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labelText: 'Feets',
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labelStyle: TextStyle(
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color: greyColor, //<-- SEE HERE
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),
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),
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),
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),
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SizedBox(width: 5),
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Expanded(
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child: TextFormField(
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cursorColor: greyColor,
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controller: inchesController,
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textCapitalization: TextCapitalization.characters,
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keyboardType: TextInputType.number,
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decoration: const InputDecoration(
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prefixIcon: Icon(
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Icons.height,
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color: primaryColor,
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),
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border: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor)),
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focusedBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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enabledBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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labelText: 'Inches',
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labelStyle: TextStyle(
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color: greyColor, //<-- SEE HERE
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),
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),
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),
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),
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SizedBox(width: 5),
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],
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),
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),
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),
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Visibility(
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visible: heightUnits == 'cm',
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child: Container(
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//height: 60,
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child: Row(
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children: [
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Expanded(
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child: TextFormField(
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cursorColor: greyColor,
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controller: cmsController,
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textCapitalization: TextCapitalization.characters,
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keyboardType: TextInputType.number,
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decoration: const InputDecoration(
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prefixIcon: Icon(
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Icons.height,
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color: primaryColor,
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),
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border: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor)),
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focusedBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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enabledBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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labelText: 'Enter height in cms',
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labelStyle: TextStyle(
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color: greyColor, //<-- SEE HERE
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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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SizedBox(height: 10),
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Container(
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//height: 40,
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padding: const EdgeInsets.fromLTRB(0, 0, 0, 0),
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child: Row(
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children: [
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Expanded(
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child: TextFormField(
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cursorColor: greyColor,
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controller: weightController,
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textCapitalization: TextCapitalization.characters,
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keyboardType: TextInputType.number,
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decoration: const InputDecoration(
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prefixIcon: Icon(
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Icons.line_weight_outlined,
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color: primaryColor,
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),
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border: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor)),
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focusedBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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enabledBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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labelText: 'Weight',
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labelStyle: TextStyle(
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color: greyColor, //<-- SEE HERE
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),
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),
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),
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),
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SizedBox(width: 5),
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Expanded(
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child: DropdownButtonFormField(
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// Initial Value
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value: weightUnits,
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isExpanded: true,
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decoration: const InputDecoration(
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prefixIcon: Icon(
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Icons.ac_unit_outlined,
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color: primaryColor,
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),
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border: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor)),
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focusedBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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enabledBorder: OutlineInputBorder(
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borderSide: BorderSide(color: primaryColor),
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),
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labelText: 'Units',
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labelStyle: TextStyle(
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color: greyColor, //<-- SEE HERE
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),
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),
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hint: Text('Units'),
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// Down Arrow Icon
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//icon: const Icon(Icons.keyboard_arrow_down),
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// Array list of items
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items: weightUnitItems.map((String items) {
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return DropdownMenuItem(
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value: items,
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child: Text(
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items,
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style: TextStyle(
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fontSize: 16,
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),
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textAlign: TextAlign.center,
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));
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}).toList(),
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// After selecting the desired option,it will
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// change button value to selected value
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onChanged: (String? newValue) {
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setState(() {
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weightUnits = newValue!;
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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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SizedBox(height: 10),
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Container(
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child: TextFormField(
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cursorColor: greyColor,
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controller: dateInput,
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decoration: textFormFieldDecorationBMI(
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Icons.calendar_today, 'Enter Date'),
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readOnly: true,
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onTap: () async {
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DateTime? pickedDate = await showDatePicker(
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context: context,
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initialDate: DateTime.now(),
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firstDate: DateTime(1950),
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lastDate: DateTime.now(),
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builder: (BuildContext context, Widget? child) {
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return Theme(
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data: ThemeData.dark().copyWith(
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colorScheme: ColorScheme.dark(
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primary: buttonColors,
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onPrimary: Colors.white,
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surface: buttonColors,
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onSurface: Colors.white,
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),
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dialogBackgroundColor: primaryColor,
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),
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child: child!,
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);
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},
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);
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if (pickedDate != null) {
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print(
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pickedDate); //pickedDate output format => 2021-03-10 00:00:00.000
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String formattedDate =
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DateFormat('dd-MM-yyyy').format(pickedDate);
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print(
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formattedDate); //formatted date output using intl package => 2021-03-16
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setState(() {
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dateInput.text =
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formattedDate; //set output date to TextField value.
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});
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} else {}
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},
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),
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),
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SizedBox(height: 10),
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Container(
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width: double.infinity,
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height: MediaQuery.of(context).size.height * .05,
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child: ElevatedButton(
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style: ElevatedButton.styleFrom(
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primary: buttonColors, // background
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onPrimary: Colors.black, // foreground
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),
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onPressed: () async {
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if (ageController.text != '' &&
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heightController.text != '' ||
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cmsController.text != '' &&
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weightController.text != '' &&
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dateInput.text != '') {
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if (int.parse(heightController.text) > 7) {
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AppSettings.longFailedToast(
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'Please enter feet below 8 feets');
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} else if (int.parse(inchesController.text) > 12) {
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AppSettings.longFailedToast(
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'Please enter inches below 12');
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} else if (int.parse(heightController.text) == 0 &&
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int.parse(inchesController.text) < 6) {
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AppSettings.longFailedToast(
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'Please enter inches above 6');
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} else {
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AppSettings.preLoaderDialog(context);
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var payload = new Map<String, dynamic>();
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if (heightUnits.toString().toLowerCase() ==
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'feet') {
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cmsController.text = '';
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} else {
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heightController.text = '';
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inchesController.text = '';
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}
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payload["age"] =
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int.parse(ageController.text.toString());
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payload["feet"] = heightController.text.toString();
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payload["inches"] =
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inchesController.text.toString();
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payload["height"] = cmsController.text.toString();
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payload["weight"] =
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weightController.text.toString();
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payload["heightUnit"] = heightUnits.toString();
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payload["weightUnit"] = weightUnits.toString();
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payload["date"] = dateInput.text.toString();
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try {
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var value =
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await AppSettings.calculateBmi(payload,widget.customerId);
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var valueResponse = jsonDecode(value);
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Navigator.of(context, rootNavigator: true).pop();
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heightController.clear();
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cmsController.clear();
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inchesController.clear();
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weightController.clear();
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dateInput.clear();
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setState(() {
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bmiValue = valueResponse['userDetails']
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['bmivalue']
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.toString();
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if (double.parse(bmiValue) < 18.5) {
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bmiText = 'Underweight';
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bmiTextColor=Colors.red;
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} else if (double.parse(bmiValue) >= 18.5 &&
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double.parse(bmiValue) <= 24.9) {
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bmiText = 'Normal weight';
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bmiTextColor=buttonColors;
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} else if (double.parse(bmiValue) >= 25 &&
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double.parse(bmiValue) <= 29.9) {
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bmiText = 'Overweight';
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bmiTextColor=Colors.red;
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} else if (double.parse(bmiValue) >= 30) {
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bmiText = 'Obesity';
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bmiTextColor=Colors.red;
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}
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});
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} catch (e) {
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Navigator.of(context, rootNavigator: true).pop();
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AppSettings.longFailedToast(
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'Calculating BMI failed');
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}
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}
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} else {
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AppSettings.longFailedToast(
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'Please enter valid details');
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}
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},
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child: const Text('Calculate BMI'),
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)),
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SizedBox(height: 20),
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Container(
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child: Row(
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children: [
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Text(
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'Your BMI value: $bmiValue',
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style:
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TextStyle(fontSize: 15, fontWeight: FontWeight.bold),
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),
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SizedBox(
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width: 10,
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),
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Text(bmiText,
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style: TextStyle(
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color: bmiTextColor, fontWeight: FontWeight.bold,fontSize: 20)),
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],
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)),
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SizedBox(height: 30),
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Container(
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child: Text(
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'Underweight = <18.5',
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style: bmiTextStyle(),
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),
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),
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SizedBox(height: 10),
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Container(
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child:
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Text('Normal weight = 18.5–24.9', style: bmiTextStyle()),
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),
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SizedBox(height: 10),
|
|
|
Container(
|
|
|
child: Text('Overweight = 25–29.9', style: bmiTextStyle()),
|
|
|
),
|
|
|
SizedBox(height: 10),
|
|
|
Container(
|
|
|
child: Text('Obesity = BMI of 30 or greater',
|
|
|
style: bmiTextStyle()),
|
|
|
),
|
|
|
SizedBox(height: 20),
|
|
|
Row(
|
|
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
|
|
children: [
|
|
|
Column(
|
|
|
children: [
|
|
|
IconButton(
|
|
|
onPressed: () {
|
|
|
Navigator.push(
|
|
|
context,
|
|
|
MaterialPageRoute(
|
|
|
builder: (context) => BMIHistory(customerId: widget.customerId,)),
|
|
|
);
|
|
|
},
|
|
|
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,
|
|
|
)),
|
|
|
),
|
|
|
)
|
|
|
],
|
|
|
),
|
|
|
ElevatedButton(
|
|
|
style: ElevatedButton.styleFrom(
|
|
|
primary: buttonColors, // background
|
|
|
onPrimary: Colors.black, // foreground
|
|
|
),
|
|
|
onPressed: () async {
|
|
|
Navigator.pop(context);
|
|
|
},
|
|
|
child: const Text('Cancel'),
|
|
|
)
|
|
|
],
|
|
|
)
|
|
|
],
|
|
|
),
|
|
|
)),
|
|
|
));
|
|
|
}
|
|
|
}
|
