Created help class for displaying diolog and removed redundent code

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/AdoptionDetailFragment.java

@@ -6,14 +6,13 @@ import android.util.Log;
 import android.view.*;
 import android.widget.*;
 import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 import androidx.navigation.fragment.NavHostFragment;
 
 import com.example.petstoremobile.R;
-import com.example.petstoremobile.adapters.BlackTextArrayAdapter;
 import com.example.petstoremobile.api.*;
 import com.example.petstoremobile.dtos.*;
+import com.example.petstoremobile.utils.DialogUtils;
 import com.example.petstoremobile.utils.ErrorUtils;
 import com.example.petstoremobile.utils.SpinnerUtils;
 
@@ -84,8 +83,7 @@ public class AdoptionDetailFragment extends Fragment {
      * Configures the spinner for adoption status.
      */
     private void setupSpinners() {
-        spinnerStatus.setAdapter(new BlackTextArrayAdapter<>(requireContext(),
+        SpinnerUtils.setupStringSpinner(requireContext(), spinnerStatus, STATUSES);
-                android.R.layout.simple_spinner_item, STATUSES));
     }
 
     /**
@@ -172,12 +170,7 @@ public class AdoptionDetailFragment extends Fragment {
             btnDelete.setVisibility(View.VISIBLE);
 
             // Pre-fill status
-            String status = a.getString("adoptionStatus", "Pending");
+            SpinnerUtils.setSelectionByValue(spinnerStatus, a.getString("adoptionStatus", "Pending"));
-            for (int i = 0; i < STATUSES.length; i++) {
-                if (STATUSES[i].equals(status)) {
-                    spinnerStatus.setSelection(i); break;
-                }
-            }
         } else {
             tvMode.setText("Add Adoption");
             btnDelete.setVisibility(View.GONE);
@@ -247,18 +240,15 @@ public class AdoptionDetailFragment extends Fragment {
      * Shows a confirmation dialog before deleting an adoption request.
      */
     private void confirmDelete() {
-        new AlertDialog.Builder(requireContext())
+        DialogUtils.showDeleteConfirmDialog(requireContext(), "Adoption", () -> 
-                .setTitle("Delete Adoption?")
+                adoptionApi.deleteAdoption(adoptionId)
-                .setPositiveButton("Yes", (d, w) ->
+                        .enqueue(new Callback<Void>() {
-                        adoptionApi.deleteAdoption(adoptionId)
+                            public void onResponse(Call<Void> c, Response<Void> r) { navigateBack(); }
-                                .enqueue(new Callback<Void>() {
+                            public void onFailure(Call<Void> c, Throwable t) {
-                                    public void onResponse(Call<Void> c, Response<Void> r) { navigateBack(); }
+                                Toast.makeText(getContext(), "Delete failed",
-                                    public void onFailure(Call<Void> c, Throwable t) {
+                                        Toast.LENGTH_SHORT).show();
-                                        Toast.makeText(getContext(), "Delete failed",
+                            }
-                                                Toast.LENGTH_SHORT).show();
+                        }));
-                                    }
-                                }))
-                .setNegativeButton("No", null).show();
     }
 
     /**

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/AppointmentDetailFragment.java

@@ -6,14 +6,13 @@ import android.util.Log;
 import android.view.*;
 import android.widget.*;
 import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 import androidx.navigation.fragment.NavHostFragment;
 
 import com.example.petstoremobile.R;
-import com.example.petstoremobile.adapters.BlackTextArrayAdapter;
 import com.example.petstoremobile.api.*;
 import com.example.petstoremobile.dtos.*;
+import com.example.petstoremobile.utils.DialogUtils;
 import com.example.petstoremobile.utils.ErrorUtils;
 import com.example.petstoremobile.utils.SpinnerUtils;
 
@@ -317,7 +316,7 @@ public class AppointmentDetailFragment extends Fragment {
                         0
                 );
                 if (selected.before(Calendar.getInstance())) {
-                    showErrorDialog("Invalid Time",
+                    DialogUtils.showInfoDialog(requireContext(), "Invalid Time",
                             "Booked appointments must be in the future. " +
                                     "Please select a future date and time.");
                     return;
@@ -368,7 +367,7 @@ public class AppointmentDetailFragment extends Fragment {
 
                         // Show proper dialog based on error type
                         if (errorBody.toLowerCase().contains("future")) {
-                            showErrorDialog("Invalid Date/Time",
+                            DialogUtils.showInfoDialog(requireContext(), "Invalid Date/Time",
                                     "Booked appointments must be scheduled in the future. " +
                                             "Please select a future date and time.");
                         } else if (errorBody.toLowerCase().contains("not available") ||
@@ -379,7 +378,7 @@ public class AppointmentDetailFragment extends Fragment {
                         }
                     } catch (Exception e) {
                         Log.e("APPT_SAVE", "Failed to read error body");
-                        showErrorDialog("Error", "Something went wrong. Please try again.");
+                        DialogUtils.showInfoDialog(requireContext(), "Error", "Something went wrong. Please try again.");
                     }
                 }
             }
@@ -395,7 +394,7 @@ public class AppointmentDetailFragment extends Fragment {
      * Shows a specialized dialog when a time slot is not available.
      */
     private void showNoAvailabilityDialog() {
-        new AlertDialog.Builder(requireContext())
+        new androidx.appcompat.app.AlertDialog.Builder(requireContext())
                 .setTitle("No Availability")
                 .setMessage("This time slot is already booked for the selected service and store. Please choose a different time or date.")
                 .setPositiveButton("Change Time", (d, w) -> d.dismiss())
@@ -404,32 +403,18 @@ public class AppointmentDetailFragment extends Fragment {
                 .show();
     }
 
-    /**
-     * Shows a generic error dialog with a title and message.
-     */
-    private void showErrorDialog(String title, String message) {
-        new AlertDialog.Builder(requireContext())
-                .setTitle(title)
-                .setMessage(message)
-                .setPositiveButton("OK", null)
-                .show();
-    }
-
     /**
      * Shows a confirmation dialog and handles the deletion of an appointment.
      */
     private void confirmDelete() {
-        new AlertDialog.Builder(requireContext())
+        DialogUtils.showDeleteConfirmDialog(requireContext(), "Appointment", () -> 
-                .setTitle("Delete Appointment?")
+                appointmentApi.deleteAppointment(appointmentId)
-                .setPositiveButton("Yes", (d, w) ->
+                        .enqueue(new Callback<Void>() {
-                        appointmentApi.deleteAppointment(appointmentId)
+                            public void onResponse(Call<Void> c, Response<Void> r) { navigateBack(); }
-                                .enqueue(new Callback<Void>() {
+                            public void onFailure(Call<Void> c, Throwable t) {
-                                    public void onResponse(Call<Void> c, Response<Void> r) { navigateBack(); }
+                                Toast.makeText(getContext(), "Delete failed", Toast.LENGTH_SHORT).show();
-                                    public void onFailure(Call<Void> c, Throwable t) {
+                            }
-                                        Toast.makeText(getContext(), "Delete failed", Toast.LENGTH_SHORT).show();
+                        }));
-                                    }
-                                }))
-                .setNegativeButton("No", null).show();
     }
 
     /**

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/PetDetailFragment.java

@@ -3,7 +3,6 @@ package com.example.petstoremobile.fragments.listfragments.detailfragments;
 import android.os.Bundle;
 
 import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 import androidx.navigation.fragment.NavHostFragment;
 
@@ -21,6 +20,7 @@ import com.example.petstoremobile.R;
 import com.example.petstoremobile.api.PetApi;
 import com.example.petstoremobile.dtos.PetDTO;
 import com.example.petstoremobile.utils.ActivityLogger;
+import com.example.petstoremobile.utils.DialogUtils;
 import com.example.petstoremobile.utils.ErrorUtils;
 import com.example.petstoremobile.utils.InputValidator;
 import com.example.petstoremobile.utils.SpinnerUtils;
@@ -144,34 +144,26 @@ public class PetDetailFragment extends Fragment {
      * Displays a confirmation dialog and handles the deletion of a pet.
      */
     private void deletePet() {
-        //Alert the user to confirm the delete
+        DialogUtils.showDeleteConfirmDialog(requireContext(), "Pet", () -> 
-        new AlertDialog.Builder(requireContext())
+                petApi.deletePet((long) petId).enqueue(new Callback<Void>() {
-                .setTitle("Delete Pet")
+                    @Override
-                .setMessage("Are you sure you want to delete " + etPetName.getText().toString() + "?")
+                    public void onResponse(Call<Void> call, Response<Void> response) {
-                .setPositiveButton("Delete", (dialog, which) -> {
+                        if (response.isSuccessful()) {
-                    //if they say yes then delete the pet
+                            ActivityLogger.logChange(requireContext(), "Pet", "DELETED", petId);
-                    petApi.deletePet((long) petId).enqueue(new Callback<Void>() {
+                            Toast.makeText(getContext(), "Pet deleted successfully!", Toast.LENGTH_SHORT).show();
-                        @Override
+                            navigateBack();
-                        public void onResponse(Call<Void> call, Response<Void> response) {
+                        } else {
-                            if (response.isSuccessful()) {
+                            ErrorUtils.showErrorMessage(getContext(), response, "Failed to delete pet");
-                                ActivityLogger.logChange(requireContext(), "Pet", "DELETED", petId);
-                                Toast.makeText(getContext(), "Pet deleted successfully!", Toast.LENGTH_SHORT).show();
-                                navigateBack();
-                            } else {
-                                ErrorUtils.showErrorMessage(getContext(), response, "Failed to delete pet");
-                            }
                         }
+                    }
 
-                        @Override
+                    @Override
-                        public void onFailure(Call<Void> call, Throwable t) {
+                    public void onFailure(Call<Void> call, Throwable t) {
-                            ActivityLogger.logException(requireContext(), "PetDetailFragment.deletePet", new Exception(t));
+                        ActivityLogger.logException(requireContext(), "PetDetailFragment.deletePet", new Exception(t));
-                            Log.e("PetDetailFragment", "Error deleting pet", t);
+                        Log.e("PetDetailFragment", "Error deleting pet", t);
-                            Toast.makeText(getContext(), "Network error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                        Toast.makeText(getContext(), "Network error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
-                        }
+                    }
-                    });
+                }));
-                })
-                .setNegativeButton("Cancel", null)
-                .show();
     }
 
     /**

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/ProductDetailFragment.java

@@ -11,11 +11,11 @@ import androidx.navigation.fragment.NavHostFragment;
 
 import com.bumptech.glide.Glide;
 import com.example.petstoremobile.R;
-import com.example.petstoremobile.adapters.BlackTextArrayAdapter;
 import com.example.petstoremobile.api.*;
 import com.example.petstoremobile.api.auth.TokenManager;
 import com.example.petstoremobile.dtos.*;
 import com.example.petstoremobile.viewmodels.ProductViewModel;
+import com.example.petstoremobile.utils.DialogUtils;
 import com.example.petstoremobile.utils.ErrorUtils;
 import com.example.petstoremobile.utils.FileUtils;
 import com.example.petstoremobile.utils.GlideUtils;
@@ -286,17 +286,14 @@ public class ProductDetailFragment extends Fragment {
      * Displays a confirmation dialog before deleting the product.
      */
     private void confirmDelete() {
-        new androidx.appcompat.app.AlertDialog.Builder(requireContext())
+        DialogUtils.showDeleteConfirmDialog(requireContext(), "Product", () -> 
-                .setTitle("Delete Product?")
+                viewModel.deleteProduct(prodId).observe(getViewLifecycleOwner(), resource -> {
-                .setPositiveButton("Yes", (d, w) ->
+                    if (resource != null && resource.status == com.example.petstoremobile.utils.Resource.Status.SUCCESS) {
-                        viewModel.deleteProduct(prodId).observe(getViewLifecycleOwner(), resource -> {
+                        navigateBack();
-                            if (resource != null && resource.status == com.example.petstoremobile.utils.Resource.Status.SUCCESS) {
+                    } else if (resource != null && resource.status == com.example.petstoremobile.utils.Resource.Status.ERROR) {
-                                navigateBack();
+                        Toast.makeText(getContext(), "Delete failed: " + resource.message, Toast.LENGTH_SHORT).show();
-                            } else if (resource != null && resource.status == com.example.petstoremobile.utils.Resource.Status.ERROR) {
+                    }
-                                Toast.makeText(getContext(), "Delete failed: " + resource.message, Toast.LENGTH_SHORT).show();
+                }));
-                            }
-                        }))
-                .setNegativeButton("No", null).show();
     }
 
     /**

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/ProductSupplierDetailFragment.java

@@ -5,14 +5,13 @@ import android.util.Log;
 import android.view.*;
 import android.widget.*;
 import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 import androidx.navigation.fragment.NavHostFragment;
 
 import com.example.petstoremobile.R;
-import com.example.petstoremobile.adapters.BlackTextArrayAdapter;
 import com.example.petstoremobile.api.*;
 import com.example.petstoremobile.dtos.*;
+import com.example.petstoremobile.utils.DialogUtils;
 import com.example.petstoremobile.utils.ErrorUtils;
 import com.example.petstoremobile.utils.InputValidator;
 import com.example.petstoremobile.utils.SpinnerUtils;
@@ -201,20 +200,17 @@ public class ProductSupplierDetailFragment extends Fragment {
      * Shows a confirmation dialog before deleting a product-supplier relationship.
      */
     private void confirmDelete() {
-        new AlertDialog.Builder(requireContext())
+        DialogUtils.showDeleteConfirmDialog(requireContext(), "Product Supplier", () -> 
-                .setTitle("Delete?")
+                productSupplierApi.deleteProductSupplier(editProductId, editSupplierId)
-                .setPositiveButton("Yes", (d, w) ->
+                        .enqueue(new Callback<Void>() {
-                        productSupplierApi.deleteProductSupplier(editProductId, editSupplierId)
+                            public void onResponse(Call<Void> c, Response<Void> r) {
-                                .enqueue(new Callback<Void>() {
+                                navigateBack();
-                                    public void onResponse(Call<Void> c, Response<Void> r) {
+                            }
-                                        navigateBack();
+                            public void onFailure(Call<Void> c, Throwable t) {
-                                    }
+                                Toast.makeText(getContext(), "Delete failed",
-                                    public void onFailure(Call<Void> c, Throwable t) {
+                                        Toast.LENGTH_SHORT).show();
-                                        Toast.makeText(getContext(), "Delete failed",
+                            }
-                                                Toast.LENGTH_SHORT).show();
+                        }));
-                                    }
-                                }))
-                .setNegativeButton("No", null).show();
     }
 
     /**

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/ServiceDetailFragment.java

@@ -2,7 +2,6 @@ package com.example.petstoremobile.fragments.listfragments.detailfragments;
 
 import android.os.Bundle;
 
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 import androidx.navigation.fragment.NavHostFragment;
 
@@ -19,6 +18,7 @@ import com.example.petstoremobile.R;
 import com.example.petstoremobile.api.ServiceApi;
 import com.example.petstoremobile.dtos.ServiceDTO;
 import com.example.petstoremobile.utils.ActivityLogger;
+import com.example.petstoremobile.utils.DialogUtils;
 import com.example.petstoremobile.utils.ErrorUtils;
 import com.example.petstoremobile.utils.InputValidator;
 
@@ -134,33 +134,26 @@ public class ServiceDetailFragment extends Fragment {
      * Displays a confirmation dialog and handles the deletion of a service.
      */
     private void deleteService() {
-        //Alert the user to confirm the delete
+        DialogUtils.showDeleteConfirmDialog(requireContext(), "Service", () -> 
-        new AlertDialog.Builder(requireContext())
+                serviceApi.deleteService((long) serviceId).enqueue(new Callback<Void>() {
-                .setTitle("Delete Service")
+                    @Override
-                .setMessage("Are you sure you want to delete " + etServiceName.getText().toString() + "?")
+                    public void onResponse(Call<Void> call, Response<Void> response) {
-                .setPositiveButton("Delete", (dialog, which) -> {
+                        if (response.isSuccessful()) {
-                    serviceApi.deleteService((long) serviceId).enqueue(new Callback<Void>() {
+                            ActivityLogger.logChange(requireContext(), "Service", "DELETED", serviceId);
-                        @Override
+                            Toast.makeText(getContext(), "Service deleted successfully!", Toast.LENGTH_SHORT).show();
-                        public void onResponse(Call<Void> call, Response<Void> response) {
+                            navigateBack();
-                            if (response.isSuccessful()) {
+                        } else {
-                                ActivityLogger.logChange(requireContext(), "Service", "DELETED", serviceId);
+                            ErrorUtils.showErrorMessage(getContext(), response, "Failed to delete service");
-                                Toast.makeText(getContext(), "Service deleted successfully!", Toast.LENGTH_SHORT).show();
-                                navigateBack();
-                            } else {
-                                ErrorUtils.showErrorMessage(getContext(), response, "Failed to delete service");
-                            }
                         }
+                    }
 
-                        @Override
+                    @Override
-                        public void onFailure(Call<Void> call, Throwable t) {
+                    public void onFailure(Call<Void> call, Throwable t) {
-                            ActivityLogger.logException(requireContext(), "ServiceDetailFragment.deleteService", new Exception(t));
+                        ActivityLogger.logException(requireContext(), "ServiceDetailFragment.deleteService", new Exception(t));
-                            Log.e("ServiceDetailFragment", "Error deleting service", t);
+                        Log.e("ServiceDetailFragment", "Error deleting service", t);
-                            Toast.makeText(getContext(), "Network error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                        Toast.makeText(getContext(), "Network error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
-                        }
+                    }
-                    });
+                }));
-                })
-                .setNegativeButton("Cancel", null)
-                .show();
     }
 
     /**

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/SupplierDetailFragment.java

@@ -2,7 +2,6 @@ package com.example.petstoremobile.fragments.listfragments.detailfragments;
 
 import android.os.Bundle;
 
-import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 import androidx.navigation.fragment.NavHostFragment;
 
@@ -19,6 +18,7 @@ import com.example.petstoremobile.R;
 import com.example.petstoremobile.api.SupplierApi;
 import com.example.petstoremobile.dtos.SupplierDTO;
 import com.example.petstoremobile.utils.ActivityLogger;
+import com.example.petstoremobile.utils.DialogUtils;
 import com.example.petstoremobile.utils.ErrorUtils;
 import com.example.petstoremobile.utils.InputValidator;
 import com.example.petstoremobile.utils.UIUtils;
@@ -138,33 +138,26 @@ public class SupplierDetailFragment extends Fragment {
      * Displays a confirmation dialog and handles the deletion of a supplier.
      */
     private void deleteSupplier() {
-        //Alert the user to confirm the delete
+        DialogUtils.showDeleteConfirmDialog(requireContext(), "Supplier", () -> 
-        new AlertDialog.Builder(requireContext())
+                supplierApi.deleteSupplier((long) supId).enqueue(new Callback<Void>() {
-                .setTitle("Delete Supplier")
+                    @Override
-                .setMessage("Are you sure you want to delete " + etSupCompany.getText().toString() + "?")
+                    public void onResponse(Call<Void> call, Response<Void> response) {
-                .setPositiveButton("Delete", (dialog, which) -> {
+                        if (response.isSuccessful()) {
-                    supplierApi.deleteSupplier((long) supId).enqueue(new Callback<Void>() {
+                            ActivityLogger.logChange(requireContext(), "Supplier", "DELETED", supId);
-                        @Override
+                            Toast.makeText(getContext(), "Supplier deleted successfully!", Toast.LENGTH_SHORT).show();
-                        public void onResponse(Call<Void> call, Response<Void> response) {
+                            navigateBack();
-                            if (response.isSuccessful()) {
+                        } else {
-                                ActivityLogger.logChange(requireContext(), "Supplier", "DELETED", supId);
+                            ErrorUtils.showErrorMessage(getContext(), response, "Failed to delete supplier");
-                                Toast.makeText(getContext(), "Supplier deleted successfully!", Toast.LENGTH_SHORT).show();
-                                navigateBack();
-                            } else {
-                                ErrorUtils.showErrorMessage(getContext(), response, "Failed to delete supplier");
-                            }
                         }
+                    }
 
-                        @Override
+                    @Override
-                        public void onFailure(Call<Void> call, Throwable t) {
+                    public void onFailure(Call<Void> call, Throwable t) {
-                            ActivityLogger.logException(requireContext(), "SupplierDetailFragment.deleteSupplier", new Exception(t));
+                        ActivityLogger.logException(requireContext(), "SupplierDetailFragment.deleteSupplier", new Exception(t));
-                            Log.e("SupplierDetailFragment", "Error deleting supplier", t);
+                        Log.e("SupplierDetailFragment", "Error deleting supplier", t);
-                            Toast.makeText(getContext(), "Network error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                        Toast.makeText(getContext(), "Network error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
-                        }
+                    }
-                    });
+                }));
-                })
-                .setNegativeButton("Cancel", null)
-                .show();
     }
 
     /**

android/app/src/main/java/com/example/petstoremobile/utils/DialogUtils.java

@@ -0,0 +1,47 @@
+package com.example.petstoremobile.utils;
+
+import android.content.Context;
+import androidx.appcompat.app.AlertDialog;
+
+/**
+ * Utility class for creating and displaying common dialogs.
+ */
+public class DialogUtils {
+
+    /**
+     * Interface for handling dialog button clicks.
+     */
+    public interface DialogCallback {
+        void onConfirm();
+    }
+
+    /**
+     * Shows a confirmation dialog with "Yes" and "No" buttons.
+     */
+    public static void showConfirmDialog(Context context, String title, String message, DialogCallback callback) {
+        new AlertDialog.Builder(context)
+                .setTitle(title)
+                .setMessage(message)
+                .setPositiveButton("Yes", (dialog, which) -> callback.onConfirm())
+                .setNegativeButton("No", null)
+                .show();
+    }
+
+    /**
+     * Shows a delete confirmation dialog.
+     */
+    public static void showDeleteConfirmDialog(Context context, String itemName, DialogCallback callback) {
+        showConfirmDialog(context, "Delete " + itemName + "?", "Are you sure you want to delete this " + itemName.toLowerCase() + "? This action cannot be undone.", callback);
+    }
+
+    /**
+     * Shows a simple information or error dialog with an "OK" button.
+     */
+    public static void showInfoDialog(Context context, String title, String message) {
+        new AlertDialog.Builder(context)
+                .setTitle(title)
+                .setMessage(message)
+                .setPositiveButton("OK", null)
+                .show();
+    }
+}