healthcare-frontend/lib/updates/update_pin.dart

import 'package:flutter/material.dart';
import 'package:healthcare_user/common/settings.dart';

class UpdatePin extends StatefulWidget {
  const UpdatePin({Key? key}) : super(key: key);

  @override
  State<UpdatePin> createState() => _UpdatePinState();
}

class _UpdatePinState extends State<UpdatePin> {
  bool isOldPinObscureText=true;
  bool isConfirmObscureText=true;
  bool isNewPinObscureText=true;
  TextEditingController oldPinController = TextEditingController();
  TextEditingController newPinController = TextEditingController();
  TextEditingController confirmPinController = TextEditingController();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppSettings.appBar('Update Pin'),
      body: Padding(
        padding: EdgeInsets.all(10),
        child: Column(
          children: [
            Container(
              child: TextFormField(
                cursorColor: greyColor,
                obscureText: isOldPinObscureText,
                controller: oldPinController,
                decoration: InputDecoration(
                  fillColor: Colors.white,
                  filled: true,
                  labelText: 'Enter old pin',
                  prefixIcon: const Icon(
                    Icons.lock,
                    color: greyColor,
                  ),
                  labelStyle: const TextStyle(
                    color: Colors.black, //<-- SEE HERE
                  ),
                  border: const OutlineInputBorder(
                      borderSide: BorderSide(color: primaryColor)),
                  focusedBorder: const OutlineInputBorder(
                    borderSide: BorderSide(color: primaryColor),
                  ),
                  enabledBorder: const OutlineInputBorder(
                    borderSide: BorderSide(color: primaryColor),
                  ),
                  suffixIcon: IconButton(
                    icon:  Icon(
                      Icons.visibility_off_outlined,
                      color: isOldPinObscureText?greyColor:primaryColor,
                    ),
                    onPressed: () {
                      setState(() {
                        isOldPinObscureText = !isOldPinObscureText;
                      });
                    },
                  ),
                ),
              ),
            ),
            SizedBox(height:MediaQuery.of(context).size.height * .01,),
            Container(
              child: TextFormField(
                cursorColor: greyColor,
                obscureText: isNewPinObscureText,
                controller: newPinController,
                decoration: InputDecoration(
                  fillColor: Colors.white,
                  filled: true,
                  labelText: 'Enter new pin',
                  prefixIcon: const Icon(
                    Icons.lock,
                    color: greyColor,
                  ),
                  labelStyle: const TextStyle(
                    color: Colors.black, //<-- SEE HERE
                  ),
                  border: const OutlineInputBorder(
                      borderSide: BorderSide(color: primaryColor)),
                  focusedBorder: const OutlineInputBorder(
                    borderSide: BorderSide(color: primaryColor),
                  ),
                  enabledBorder: const OutlineInputBorder(
                    borderSide: BorderSide(color: primaryColor),
                  ),
                  suffixIcon: IconButton(
                    icon:  Icon(
                      Icons.visibility_off_outlined,
                      color: isNewPinObscureText?greyColor:primaryColor,
                    ),
                    onPressed: () {
                      setState(() {
                        isNewPinObscureText = !isNewPinObscureText;
                      });
                    },
                  ),
                ),
              ),
            ),
            SizedBox(height:MediaQuery.of(context).size.height * .01,),
            Container(
              child: TextFormField(
                cursorColor: greyColor,
                obscureText: isConfirmObscureText,
                controller: confirmPinController,
                decoration: InputDecoration(
                  fillColor: Colors.white,
                  filled: true,
                  labelText: 'Confirm pin',
                  prefixIcon: const Icon(
                    Icons.lock,
                    color: greyColor,
                  ),
                  labelStyle: const TextStyle(
                    color: Colors.black, //<-- SEE HERE
                  ),
                  border: const OutlineInputBorder(
                      borderSide: BorderSide(color: primaryColor)),
                  focusedBorder: const OutlineInputBorder(
                    borderSide: BorderSide(color: primaryColor),
                  ),
                  enabledBorder: const OutlineInputBorder(
                    borderSide: BorderSide(color: primaryColor),
                  ),
                  suffixIcon: IconButton(
                    icon:  Icon(
                      Icons.visibility_off_outlined,
                      color: isConfirmObscureText?greyColor:primaryColor,
                    ),
                    onPressed: () {
                      setState(() {
                        isConfirmObscureText = !isConfirmObscureText;
                      });
                    },
                  ),
                ),
              ),
            ),
            SizedBox(height:MediaQuery.of(context).size.height * .04,),
            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(oldPinController.text!=''&&newPinController.text!=''&&confirmPinController.text!=''){

                      if(newPinController.text==confirmPinController.text){

                        var payload = new Map<String, dynamic>();
                        payload["oldPassword"] = oldPinController.text.toString();
                        payload["newPassword"] = newPinController.text.toString();
                        payload["phone"] = AppSettings.phoneNumber;
                        payload["longitude"] = AppSettings.userLongitude;
                        payload["latitude"] =  AppSettings.userLatitude;
                        bool updateStatus = await AppSettings.updatePin(payload);
                        try{
                          if (updateStatus) {
                            //Navigator.pop(context);
                            /*Navigator.push(
                              context,
                              MaterialPageRoute(builder: (context) => Dashboard()),
                            );*/
                            oldPinController.clear();
                            newPinController.clear();
                            confirmPinController.clear();
                            AppSettings.longSuccessToast("Password  updated");
                          } else {

                            AppSettings.longFailedToast("Password not updated");
                          }
                        }
                        catch(exception){
                          print(exception);
                          AppSettings.longFailedToast("Password not updated");
                        }

                      }
                      else{
                        AppSettings.longFailedToast('Please check new pin and confirm pin');
                      }

                    }
                    else{
                      AppSettings.longFailedToast('Please enter valid details');
                    }

                  },
                  child: const Text('Update Pin'),
                )),
          ],
        ),
      ),
    );

  }
}