add dispose to files to remove controllers when not used

Frontend/patient_manager/lib/components/addOrViewPatient.dart

@@ -44,6 +44,12 @@ class _AddOrViewPatientState extends State<AddOrViewPatient> {
     return null;
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return FutureBuilder(

Frontend/patient_manager/lib/components/builders/BuildFileView.dart

@@ -32,6 +32,12 @@ class _BuildFileViewState extends State<BuildFileView> {
     return path.split("/").last;
   }
 
+  @override
+  void dispose() {
+    pdfViewerController.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     // double width = MediaQuery.sizeOf(context).width;

Frontend/patient_manager/lib/components/builders/buildAccessRequestList.dart

@@ -253,6 +253,12 @@ class _BuildPatientsListState extends State<BuildAccessRequestList> {
     );
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return ListView.separated(

Frontend/patient_manager/lib/components/builders/buildFilesList.dart

@@ -294,6 +294,12 @@ class _BuildFilesListState extends State<BuildFilesList> {
     );
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     if (widget.files.isNotEmpty) {

Frontend/patient_manager/lib/components/builders/buildMedList.dart

@@ -21,6 +21,12 @@ class BuildMedicinesList extends StatefulWidget {
 class _BuildMedicinesListState extends State<BuildMedicinesList> {
   int indexOn = 0;
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return ListView.separated(

Frontend/patient_manager/lib/components/builders/buildNotesList.dart

@@ -252,6 +252,15 @@ class _BuildNotesListState extends State<BuildNotesList> {
     );
   }
 
+  @override
+  void dispose() {
+    noteTextController.dispose();
+    businessNameController.dispose();
+    userNameController.dispose();
+    dateController.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     if (widget.notes.isNotEmpty) {

Frontend/patient_manager/lib/components/builders/buildPatientList.dart

@@ -337,6 +337,16 @@ class _BuildPatientsListState extends State<BuildPatientsList> {
     }
   }
 
+  @override
+  void dispose() {
+    dateController.dispose();
+    timeController.dispose();
+    idController.dispose();
+    fnameController.dispose();
+    lnameController.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return ListView.separated(

Frontend/patient_manager/lib/components/builders/buildPatientQueueList.dart

@@ -147,6 +147,12 @@ class _BuildPatientsListState extends State<BuildPatientQueueList> {
     );
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return ListView.separated(

Frontend/patient_manager/lib/components/homeTile.dart

@@ -28,6 +28,12 @@ class _HomeTileState extends State<HomeTile> {
   late Color mainC;
   late Color secondC;
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   void initState() {
     mainC = widget.p;

Frontend/patient_manager/lib/components/homeTileGrid.dart

@@ -37,36 +37,6 @@ class _HomeTileGridState extends State<HomeTileGrid> {
   late Future<List<List<List<dynamic>>>> pbswitch;
   int _selectedIndex = 0;
   final baseAPI = AppEnviroment.baseApiUrl;
-  // late Future<BusinessUser?> futureBusinessUser;
-  // late Future<Business?> futureBusiness;
-  // late BusinessUser? businessUser;
-  // late Business? business;
-
-  // Future<BusinessUser?> getBusinessUserDetails() async {
-  //   var response = await http
-  //       .get(Uri.parse("$baseAPI/business-user/${widget.signedInUser.app_id}"));
-  //   if (response.statusCode == 200) {
-  //     String body = response.body;
-  //     var decodedData = jsonDecode(body);
-  //     BusinessUser business_User = BusinessUser.fromJson(decodedData);
-  //     return business_User;
-  //   } else {
-  //     return null;
-  //   }
-  // }
-
-  // Future<Business?> getBusinessDetails() async {
-  //   var response = await http.get(
-  //       Uri.parse("$baseAPI/business/app_id/${widget.signedInUser.app_id}"));
-  //   if (response.statusCode == 200) {
-  //     String body = response.body;
-  //     var decodedData = jsonDecode(body);
-  //     Business business = Business.fromJson(decodedData);
-  //     return business;
-  //   } else {
-  //     return null;
-  //   }
-  // }
 
   void setAppsNewPersonal(List<List<dynamic>> tileList) {
     if (widget.signedInUser.fname == "") {
@@ -336,6 +306,12 @@ class _HomeTileGridState extends State<HomeTileGrid> {
     }
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   void initState() {
     pbswitch = setApps(personalTileList, businessTileList);

Frontend/patient_manager/lib/components/inputsAndButtons/mihButton.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 
-class MIHButton extends StatelessWidget {
+class MIHButton extends StatefulWidget {
   final void Function() onTap;
   final String buttonText;
   final Color buttonColor;
@@ -14,22 +14,33 @@ class MIHButton extends StatelessWidget {
     required this.textColor,
   });
 
+  @override
+  State<MIHButton> createState() => _MIHButtonState();
+}
+
+class _MIHButtonState extends State<MIHButton> {
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return ElevatedButton(
-      onPressed: onTap,
+      onPressed: widget.onTap,
       style: ElevatedButton.styleFrom(
-        backgroundColor: buttonColor,
+        backgroundColor: widget.buttonColor,
         shape: RoundedRectangleBorder(
           borderRadius: BorderRadius.circular(12.0),
         ),
       ),
       child: Text(
-        buttonText,
+        widget.buttonText,
         style: TextStyle(
           //fontWeight: FontWeight.bold,
           fontSize: 20,
-          color: textColor,
+          color: widget.textColor,
           fontWeight: FontWeight.bold,
         ),
       ),

Frontend/patient_manager/lib/components/inputsAndButtons/mihDateInput.dart

@@ -81,6 +81,12 @@ class _MIHDateFieldState extends State<MIHDateField> {
     return null;
   }
 
+  @override
+  void dispose() {
+    _focus.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     _focus.addListener(_onFocusChange);

Frontend/patient_manager/lib/components/inputsAndButtons/mihDropdownInput.dart

@@ -88,6 +88,12 @@ class _MIHDropdownFieldState extends State<MIHDropdownField> {
     return menueList;
   }
 
+  @override
+  void dispose() {
+    _focus.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     menu = buidMenueOptions(widget.dropdownOptions);

Frontend/patient_manager/lib/components/inputsAndButtons/mihFileInput.dart

@@ -102,6 +102,12 @@ class _MIHFileFieldState extends State<MIHFileField> {
     }
   }
 
+  @override
+  void dispose() {
+    _focus.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     _focus.addListener(_onFocusChange);

Frontend/patient_manager/lib/components/inputsAndButtons/mihMLTextInput.dart

@@ -77,6 +77,12 @@ class _MIHMLTextFieldState extends State<MIHMLTextField> {
     }
   }
 
+  @override
+  void dispose() {
+    _focus.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     _focus.addListener(_onFocusChange);

Frontend/patient_manager/lib/components/inputsAndButtons/mihPassInput.dart

@@ -113,6 +113,12 @@ class _MIHPassFieldState extends State<MIHPassField> {
     });
   }
 
+  @override
+  void dispose() {
+    textFieldFocusNode.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     textFieldFocusNode.addListener(_onFocusChange);

Frontend/patient_manager/lib/components/inputsAndButtons/mihSearchInput.dart

@@ -81,6 +81,12 @@ class _MIHSearchFieldState extends State<MIHSearchField> {
     }
   }
 
+  @override
+  void dispose() {
+    _focus.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     _focus.addListener(_onFocusChange);

Frontend/patient_manager/lib/components/inputsAndButtons/mihTextInput.dart

@@ -101,6 +101,12 @@ class _MIHTextFieldState extends State<MIHTextField> {
     }
   }
 
+  @override
+  void dispose() {
+    _focus.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     _focus.addListener(_onFocusChange);

Frontend/patient_manager/lib/components/inputsAndButtons/mihTimeInput.dart

@@ -99,6 +99,12 @@ class _MIHDateFieldState extends State<MIHTimeField> {
     return null;
   }
 
+  @override
+  void dispose() {
+    _focus.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     _focus.addListener(_onFocusChange);

Frontend/patient_manager/lib/components/medCertInput.dart

@@ -17,6 +17,12 @@ class Medcertinput extends StatefulWidget {
 }
 
 class _MedcertinputState extends State<Medcertinput> {
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return SizedBox(

Frontend/patient_manager/lib/components/medicineSearch.dart

@@ -52,6 +52,12 @@ class _MedicineSearchState extends State<MedicineSearch> {
     );
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   void initState() {
     futueMeds = getMedList(endpointMeds + widget.searchVlaue.text);

Frontend/patient_manager/lib/components/mihAppBar.dart

@@ -1,21 +1,33 @@
 import 'package:flutter/material.dart';
 import 'package:patient_manager/main.dart';
 
-class MIHAppBar extends StatelessWidget implements PreferredSizeWidget {
+class MIHAppBar extends StatefulWidget implements PreferredSizeWidget {
-  @override
-  Size get preferredSize => const Size.fromHeight(60);
-
   final String barTitle;
 
   const MIHAppBar({super.key, required this.barTitle});
 
+  @override
+  State<MIHAppBar> createState() => _MIHAppBarState();
+
+  @override
+  // TODO: implement preferredSize
+  Size get preferredSize => const Size.fromHeight(60);
+}
+
+class _MIHAppBarState extends State<MIHAppBar> {
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return AppBar(
       elevation: 8,
       shadowColor: MzanziInnovationHub.of(context)!.theme.secondaryColor(),
       title: Text(
-        barTitle,
+        widget.barTitle,
       ),
       centerTitle: true,
     );

Frontend/patient_manager/lib/components/mihAppDrawer.dart

@@ -46,6 +46,12 @@ class _MIHAppDrawerState extends State<MIHAppDrawer> {
     return true;
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   void initState() {
     //signedInUser = getUserDetails();

Frontend/patient_manager/lib/components/patientDetails.dart

@@ -214,6 +214,23 @@ class _PatientDetailsState extends State<PatientDetails> {
     }
   }
 
+  @override
+  void dispose() {
+    idController.dispose();
+    fnameController.dispose();
+    lnameController.dispose();
+    cellController.dispose();
+    emailController.dispose();
+    medNameController.dispose();
+    medNoController.dispose();
+    medSchemeController.dispose();
+    addressController.dispose();
+    medAidController.dispose();
+    medMainMemController.dispose();
+    medAidCodeController.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     setState(() {

Frontend/patient_manager/lib/components/patientFiles.dart

@@ -617,6 +617,22 @@ class _PatientFilesState extends State<PatientFiles> {
     }
   }
 
+  @override
+  void dispose() {
+    startDateController.dispose();
+    endDateTextController.dispose();
+    retDateTextController.dispose();
+    selectedFileController.dispose();
+    medicineController.dispose();
+    quantityController.dispose();
+    dosageController.dispose();
+    timesDailyController.dispose();
+    noDaysController.dispose();
+    noRepeatsController.dispose();
+    outputController.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     futueFiles = fetchFiles();

Frontend/patient_manager/lib/components/patientNotes.dart

@@ -272,6 +272,13 @@ class _PatientNotesState extends State<PatientNotes> {
     }
   }
 
+  @override
+  void dispose() {
+    titleController.dispose();
+    noteTextController.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     futueNotes = fetchNotes(endpoint + widget.patientAppId);

Frontend/patient_manager/lib/components/popUpMessages/mihDeleteMessage.dart

@@ -196,6 +196,12 @@ class _MIHDeleteMessageState extends State<MIHDeleteMessage> {
     return messageTypes[type];
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     var size = MediaQuery.of(context).size;

Frontend/patient_manager/lib/components/popUpMessages/mihErrorMessage.dart

@@ -782,19 +782,11 @@ class _MIHErrorMessageState extends State<MIHErrorMessage> {
     return messageTypes[type];
   }
 
-  // void initialiseSizes() {
+  @override
-
+  void dispose() {
-  // }
+    // TODO: implement dispose
-
+    super.dispose();
-  // @override
+  }
-  // void initState() {
-  //   size = MediaQuery.of(context).size;
-  //   setInputError();
-  //   setinvalidCredError();
-  //   setInternetError();
-  //   //initialiseSizes();
-  //   super.initState();
-  // }
 
   @override
   Widget build(BuildContext context) {

Frontend/patient_manager/lib/components/popUpMessages/mihSuccessMessage.dart

@@ -93,6 +93,12 @@ class _MIHSuccessMessageState extends State<MIHSuccessMessage> {
     return messageTypes[type];
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   void initState() {
     message = widget.successMessage;

Frontend/patient_manager/lib/components/popUpMessages/mihWarningMessage.dart

@@ -167,6 +167,12 @@ class _MIHDeleteMessageState extends State<MIHWarningMessage> {
     return messageTypes[type];
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     var size = MediaQuery.of(context).size;

Frontend/patient_manager/lib/components/prescipInput.dart

@@ -546,6 +546,12 @@ class _PrescripInputState extends State<PrescripInput> {
     );
   }
 
+  @override
+  void dispose() {
+    _focusNode.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     //futueMeds = getMedList(endpointMeds);

Frontend/patient_manager/lib/components/signInOrRegister.dart

@@ -18,6 +18,12 @@ class _SignInOrRegisterState extends State<SignInOrRegister> {
     });
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     if (showSignInPage) {

Frontend/patient_manager/lib/pages/fullScreenFile.dart

@@ -38,6 +38,12 @@ class _FullScreenFileViewerState extends State<FullScreenFileViewer> {
     });
   }
 
+  @override
+  void dispose() {
+    pdfViewerController.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     pdfViewerController.addListener(onPageSelect);

Frontend/patient_manager/lib/pages/home.dart

@@ -71,6 +71,12 @@ class _HomeState extends State<Home> {
     }
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   void initState() {
     super.initState();

Frontend/patient_manager/lib/pages/patientAccessReview.dart

@@ -244,6 +244,12 @@ class _PatientAccessRequestState extends State<PatientAccessRequest> {
     // });
   }
 
+  @override
+  void dispose() {
+    filterController.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     selectedDropdown = "All";

Frontend/patient_manager/lib/pages/patientAdd.dart

@@ -309,6 +309,24 @@ class _AddPatientState extends State<AddPatient> {
     }
   }
 
+  @override
+  void dispose() {
+    idController.dispose();
+    fnameController.dispose();
+    lnameController.dispose();
+    cellController.dispose();
+    emailController.dispose();
+    medNoController.dispose();
+    medNameController.dispose();
+    medSchemeController.dispose();
+    addressController.dispose();
+    medAidController.dispose();
+    medMainMemController.dispose();
+    medAidCodeController.dispose();
+    _focusNode.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     medAidController.addListener(isRequired);

Frontend/patient_manager/lib/pages/patientEdit.dart

@@ -536,6 +536,24 @@ class _EditPatientState extends State<EditPatient> {
     }
   }
 
+  @override
+  void dispose() {
+    idController.dispose();
+    fnameController.dispose();
+    lnameController.dispose();
+    cellController.dispose();
+    emailController.dispose();
+    medNoController.dispose();
+    medNameController.dispose();
+    medSchemeController.dispose();
+    addressController.dispose();
+    medAidController.dispose();
+    medMainMemController.dispose();
+    medAidCodeController.dispose();
+    _focusNode.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     getLoginUserEmail();

Frontend/patient_manager/lib/pages/patientManager.dart

@@ -428,6 +428,13 @@ class _PatientManagerState extends State<PatientManager> {
     }
   }
 
+  @override
+  void dispose() {
+    searchController.dispose();
+    queueDateController.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     patientSearchResults = fetchPatients("abc");

Frontend/patient_manager/lib/pages/patientView.dart

@@ -48,6 +48,12 @@ class _PatientViewState extends State<PatientView> {
     return null;
   }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     // loadImage();

Frontend/patient_manager/lib/pages/patientViewPersonal.dart

@@ -57,6 +57,12 @@ class _PatientViewState extends State<PatientViewPersonal> {
   //   }
   // }
 
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     // loadImage();

Frontend/patient_manager/lib/pages/profileBusinessAdd.dart

@@ -197,6 +197,23 @@ class _ProfileBusinessAddState extends State<ProfileBusinessAdd> {
     return regex.hasMatch(text);
   }
 
+  @override
+  void dispose() {
+    nameController.dispose();
+    typeController.dispose();
+    regController.dispose();
+    logonameController.dispose();
+    fnameController.dispose();
+    lnameController.dispose();
+    titleController.dispose();
+    signtureController.dispose();
+    accessController.dispose();
+    contactController.dispose();
+    emailController.dispose();
+    _focusNode.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     setState(() {

Frontend/patient_manager/lib/pages/profileBusinessUpdate.dart

@@ -265,6 +265,23 @@ class _ProfileBusinessUpdateState extends State<ProfileBusinessUpdate> {
     return regex.hasMatch(text);
   }
 
+  @override
+  void dispose() {
+    nameController.dispose();
+    typeController.dispose();
+    regController.dispose();
+    logonameController.dispose();
+    fnameController.dispose();
+    lnameController.dispose();
+    titleController.dispose();
+    signtureController.dispose();
+    accessController.dispose();
+    contactController.dispose();
+    emailController.dispose();
+    _focusNode.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     setState(() {

Frontend/patient_manager/lib/pages/profileUserUpdate.dart

@@ -142,6 +142,15 @@ class _ProfileUserUpdateState extends State<ProfileUserUpdate> {
     }
   }
 
+  @override
+  void dispose() {
+    usernameController.dispose();
+    fnameController.dispose();
+    lnameController.dispose();
+    _focusNode.dispose();
+    super.dispose();
+  }
+
   @override
   void initState() {
     setState(() {

Frontend/patient_manager/lib/pages/register.dart

@@ -225,6 +225,15 @@ class _RegisterState extends State<Register> {
     });
   }
 
+  @override
+  void dispose() {
+    emailController.dispose();
+    passwordController.dispose();
+    officeID.dispose();
+    _focusNode.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return KeyboardListener(

Frontend/patient_manager/lib/pages/signin.dart

@@ -100,6 +100,14 @@ class _SignInState extends State<SignIn> {
     }
   }
 
+  @override
+  void dispose() {
+    emailController.dispose();
+    passwordController.dispose();
+    _focusNode.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return KeyboardListener(