edited adapters in andriod to use viewbinding

android/app/src/main/java/com/example/petstoremobile/adapters/AdoptionAdapter.java

@@ -1,11 +1,11 @@
 package com.example.petstoremobile.adapters;
 
 import android.graphics.Color;
-import android.view.*;
+import android.view.LayoutInflater;
-import android.widget.TextView;
+import android.view.ViewGroup;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
-import com.example.petstoremobile.R;
+import com.example.petstoremobile.databinding.ItemAdoptionBinding;
 import com.example.petstoremobile.dtos.AdoptionDTO;
 import java.util.List;
 
@@ -24,50 +24,46 @@ public class AdoptionAdapter extends RecyclerView.Adapter<AdoptionAdapter.Adopti
     }
 
     public static class AdoptionViewHolder extends RecyclerView.ViewHolder {
-        TextView tvCustomerName, tvPetName, tvDate, tvFee, tvStatus;
+        final ItemAdoptionBinding binding;
 
-        public AdoptionViewHolder(@NonNull View v) {
+        public AdoptionViewHolder(@NonNull ItemAdoptionBinding binding) {
-            super(v);
+            super(binding.getRoot());
-            tvCustomerName = v.findViewById(R.id.tvAdoptionCustomerName);
+            this.binding = binding;
-            tvPetName      = v.findViewById(R.id.tvAdoptionPetName);
-            tvDate         = v.findViewById(R.id.tvAdoptionDate);
-            tvFee          = v.findViewById(R.id.tvAdoptionFee);
-            tvStatus       = v.findViewById(R.id.tvAdoptionStatus);
         }
     }
 
     @NonNull
     @Override
     public AdoptionViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext())
+        ItemAdoptionBinding binding = ItemAdoptionBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-                .inflate(R.layout.item_adoption, parent, false);
+        return new AdoptionViewHolder(binding);
-        return new AdoptionViewHolder(v);
     }
 
     @Override
     public void onBindViewHolder(@NonNull AdoptionViewHolder holder, int position) {
         AdoptionDTO a = adoptionList.get(position);
+        ItemAdoptionBinding binding = holder.binding;
 
-        holder.tvCustomerName.setText(a.getCustomerName() != null ? a.getCustomerName() : "");
+        binding.tvAdoptionCustomerName.setText(a.getCustomerName() != null ? a.getCustomerName() : "");
-        holder.tvPetName.setText("Pet: " + (a.getPetName() != null ? a.getPetName() : ""));
+        binding.tvAdoptionPetName.setText("Pet: " + (a.getPetName() != null ? a.getPetName() : ""));
-        holder.tvDate.setText("Date: " + (a.getAdoptionDate() != null ? a.getAdoptionDate() : ""));
+        binding.tvAdoptionDate.setText("Date: " + (a.getAdoptionDate() != null ? a.getAdoptionDate() : ""));
-        holder.tvFee.setText(a.getAdoptionFee() != null ? "$" + a.getAdoptionFee() : "");
+        binding.tvAdoptionFee.setText(a.getAdoptionFee() != null ? "$" + a.getAdoptionFee() : "");
 
         String status = a.getAdoptionStatus() != null ? a.getAdoptionStatus() : "";
-        holder.tvStatus.setText(status);
+        binding.tvAdoptionStatus.setText(status);
 
         switch (status) {
             case "Completed":
-                holder.tvStatus.setBackgroundColor(Color.parseColor("#4CAF50"));
+                binding.tvAdoptionStatus.setBackgroundColor(Color.parseColor("#4CAF50"));
                 break;
             case "Pending":
-                holder.tvStatus.setBackgroundColor(Color.parseColor("#FF9800"));
+                binding.tvAdoptionStatus.setBackgroundColor(Color.parseColor("#FF9800"));
                 break;
             case "Rejected":
-                holder.tvStatus.setBackgroundColor(Color.parseColor("#F44336"));
+                binding.tvAdoptionStatus.setBackgroundColor(Color.parseColor("#F44336"));
                 break;
             default:
-                holder.tvStatus.setBackgroundColor(Color.parseColor("#9E9E9E"));
+                binding.tvAdoptionStatus.setBackgroundColor(Color.parseColor("#9E9E9E"));
                 break;
         }
 

android/app/src/main/java/com/example/petstoremobile/adapters/AppointmentAdapter.java

@@ -2,12 +2,10 @@ package com.example.petstoremobile.adapters;
 
 import android.graphics.Color;
 import android.view.LayoutInflater;
-import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
-import com.example.petstoremobile.R;
+import com.example.petstoremobile.databinding.ItemAppointmentBinding;
 import com.example.petstoremobile.dtos.AppointmentDTO;
 import java.util.List;
 
@@ -27,50 +25,48 @@ public class AppointmentAdapter extends RecyclerView.Adapter<AppointmentAdapter.
     }
 
     public static class AppointmentViewHolder extends RecyclerView.ViewHolder {
-        TextView tvCustomerName, tvPetName, tvServiceType, tvDateTime, tvAppointmentStatus;
+        private final ItemAppointmentBinding binding;
 
-        public AppointmentViewHolder(@NonNull View v) {
+        public AppointmentViewHolder(@NonNull ItemAppointmentBinding binding) {
-            super(v);
+            super(binding.getRoot());
-            tvCustomerName = v.findViewById(R.id.tvCustomerName);
+            this.binding = binding;
-            tvPetName = v.findViewById(R.id.tvApptPetName);
-            tvServiceType = v.findViewById(R.id.tvServiceType);
-            tvDateTime = v.findViewById(R.id.tvDateTime);
-            tvAppointmentStatus = v.findViewById(R.id.tvAppointmentStatus);
         }
     }
 
     @NonNull
     @Override
     public AppointmentViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_appointment, parent, false);
+        ItemAppointmentBinding binding = ItemAppointmentBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-        return new AppointmentViewHolder(v);
+        return new AppointmentViewHolder(binding);
     }
 
     @Override
     public void onBindViewHolder(@NonNull AppointmentViewHolder holder, int position) {
         AppointmentDTO a = appointmentList.get(position);
+        ItemAppointmentBinding binding = holder.binding;
 
-        holder.tvCustomerName.setText(a.getCustomerName() != null ? a.getCustomerName() : "");
+        binding.tvCustomerName.setText(a.getCustomerName() != null ? a.getCustomerName() : "");
-        holder.tvPetName.setText("Pet: " + (a.getPetName() != null ? a.getPetName() : ""));
+        binding.tvApptPetName.setText("Pet: " + (a.getPetName() != null ? a.getPetName() : ""));
-        holder.tvServiceType.setText(a.getServiceType() != null ? a.getServiceType() : "");
+        binding.tvServiceType.setText(a.getServiceType() != null ? a.getServiceType() : "");
-        holder.tvDateTime.setText((a.getAppointmentDate() != null ? a.getAppointmentDate() : "") +
+        binding.tvStaffName.setText("Staff: " + (a.getEmployeeName() != null ? a.getEmployeeName() : "Unassigned"));
+        binding.tvDateTime.setText((a.getAppointmentDate() != null ? a.getAppointmentDate() : "") +
                 " at " + (a.getAppointmentTime() != null ? a.getAppointmentTime() : ""));
 
         String status = a.getStatus() != null ? a.getStatus() : "";
-        holder.tvAppointmentStatus.setText(status);
+        binding.tvAppointmentStatus.setText(status);
 
         switch (status.toUpperCase()) {
             case "BOOKED":
-                holder.tvAppointmentStatus.setBackgroundColor(Color.parseColor("#2196F3")); // blue
+                binding.tvAppointmentStatus.setBackgroundColor(Color.parseColor("#2196F3")); // blue
                 break;
             case "COMPLETED":
-                holder.tvAppointmentStatus.setBackgroundColor(Color.parseColor("#4CAF50")); // green
+                binding.tvAppointmentStatus.setBackgroundColor(Color.parseColor("#4CAF50")); // green
                 break;
             case "CANCELLED":
-                holder.tvAppointmentStatus.setBackgroundColor(Color.parseColor("#F44336")); // red
+                binding.tvAppointmentStatus.setBackgroundColor(Color.parseColor("#F44336")); // red
                 break;
             default:
-                holder.tvAppointmentStatus.setBackgroundColor(Color.parseColor("#9E9E9E")); // gray
+                binding.tvAppointmentStatus.setBackgroundColor(Color.parseColor("#9E9E9E")); // gray
                 break;
         }
 

android/app/src/main/java/com/example/petstoremobile/adapters/ChatAdapter.java

@@ -1,14 +1,12 @@
 package com.example.petstoremobile.adapters;
 
 import android.view.LayoutInflater;
-import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.example.petstoremobile.R;
+import com.example.petstoremobile.databinding.ItemChatBinding;
 import com.example.petstoremobile.models.Chat;
 
 import java.util.List;
@@ -30,15 +28,15 @@ public class ChatAdapter extends RecyclerView.Adapter<ChatAdapter.ChatViewHolder
     @NonNull
     @Override
     public ChatViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_chat, parent, false);
+        ItemChatBinding binding = ItemChatBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-        return new ChatViewHolder(view);
+        return new ChatViewHolder(binding);
     }
 
     @Override
     public void onBindViewHolder(@NonNull ChatViewHolder holder, int position) {
         Chat chat = chatList.get(position);
-        holder.tvCustomerName.setText(chat.getCustomerName());
+        holder.binding.tvCustomerName.setText(chat.getCustomerName());
-        holder.tvLastMessage.setText(chat.getLastMessage());
+        holder.binding.tvLastMessage.setText(chat.getLastMessage());
         holder.itemView.setOnClickListener(v -> listener.onChatClick(chat));
     }
 
@@ -48,12 +46,11 @@ public class ChatAdapter extends RecyclerView.Adapter<ChatAdapter.ChatViewHolder
     }
 
     public static class ChatViewHolder extends RecyclerView.ViewHolder {
-        TextView tvCustomerName, tvLastMessage;
+        final ItemChatBinding binding;
 
-        public ChatViewHolder(@NonNull View itemView) {
+        public ChatViewHolder(@NonNull ItemChatBinding binding) {
-            super(itemView);
+            super(binding.getRoot());
-            tvCustomerName = itemView.findViewById(R.id.tvCustomerName);
+            this.binding = binding;
-            tvLastMessage = itemView.findViewById(R.id.tvLastMessage);
         }
     }
 }

android/app/src/main/java/com/example/petstoremobile/adapters/InventoryAdapter.java

@@ -4,13 +4,11 @@ import android.graphics.Color;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.CheckBox;
-import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.example.petstoremobile.R;
+import com.example.petstoremobile.databinding.ItemInventoryBinding;
 import com.example.petstoremobile.dtos.InventoryDTO;
 
 import java.util.ArrayList;
@@ -35,68 +33,61 @@ public class InventoryAdapter extends RecyclerView.Adapter<InventoryAdapter.Inve
     }
 
     public static class InventoryViewHolder extends RecyclerView.ViewHolder {
-        // Matches desktop table columns: Inventory ID, Product ID, Product Name,
+        final ItemInventoryBinding binding;
-        // Quantity
-        TextView tvInventoryId, tvProdId, tvProductName, tvQuantity;
-        CheckBox checkBox;
 
-        public InventoryViewHolder(@NonNull View v) {
+        public InventoryViewHolder(@NonNull ItemInventoryBinding binding) {
-            super(v);
+            super(binding.getRoot());
-            tvInventoryId = v.findViewById(R.id.tvInventoryId);
+            this.binding = binding;
-            tvProdId = v.findViewById(R.id.tvProdId);
-            tvProductName = v.findViewById(R.id.tvProductName);
-            tvQuantity = v.findViewById(R.id.tvQuantity);
-            checkBox = v.findViewById(R.id.cbSelectInventory);
         }
     }
 
     @NonNull
     @Override
     public InventoryViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext())
+        ItemInventoryBinding binding = ItemInventoryBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-                .inflate(R.layout.item_inventory, parent, false);
+        return new InventoryViewHolder(binding);
-        return new InventoryViewHolder(v);
     }
 
     @Override
     public void onBindViewHolder(@NonNull InventoryViewHolder holder, int position) {
         InventoryDTO inv = inventoryList.get(position);
+        ItemInventoryBinding binding = holder.binding;
 
         // Column: Inventory ID
         String invIdStr = inv.getInventoryId() != null ? String.valueOf(inv.getInventoryId()) : "—";
-        holder.tvInventoryId.setText("Inv ID: " + invIdStr);
+        binding.tvInventoryId.setText("Inv ID: " + invIdStr);
 
         // Column: Product ID
         String prodIdStr = inv.getProdId() != null ? String.valueOf(inv.getProdId()) : "—";
-        holder.tvProdId.setText("Prod ID: " + prodIdStr);
+        binding.tvProdId.setText("Prod ID: " + prodIdStr);
 
         // Column: Product Name
-        holder.tvProductName.setText(inv.getProductName() != null ? inv.getProductName() : "—");
+        binding.tvProductName.setText(inv.getProductName() != null ? inv.getProductName() : "—");
 
         // Column: Quantity
         int qty = inv.getQuantity() != null ? inv.getQuantity() : 0;
-        holder.tvQuantity.setText(String.valueOf(qty));
+        binding.tvQuantity.setText(String.valueOf(qty));
 
         // Low stock = red, normal = green (like desktop reorder concept)
         if (qty <= 5) {
-            holder.tvQuantity.setTextColor(Color.parseColor("#F44336"));
+            binding.tvQuantity.setTextColor(Color.parseColor("#F44336"));
         } else {
-            holder.tvQuantity.setTextColor(Color.parseColor("#4CAF50"));
+            binding.tvQuantity.setTextColor(Color.parseColor("#4CAF50"));
         }
 
         // Bulk delete selection mode
         if (selectionMode) {
-            holder.checkBox.setVisibility(View.VISIBLE);
+            binding.cbSelectInventory.setVisibility(View.VISIBLE);
-            holder.checkBox.setChecked(inv.getInventoryId() != null
+            binding.cbSelectInventory.setChecked(inv.getInventoryId() != null
                     && selectedIds.contains(inv.getInventoryId()));
         } else {
-            holder.checkBox.setVisibility(View.GONE);
+            binding.cbSelectInventory.setVisibility(View.GONE);
-            holder.checkBox.setChecked(false);
+            binding.cbSelectInventory.setChecked(false);
         }
 
         holder.itemView.setOnClickListener(v -> {
             if (selectionMode) {
-                toggleSelection(inv.getInventoryId(), holder.checkBox);
+                toggleSelection(inv.getInventoryId(), binding.cbSelectInventory);
             } else {
                 clickListener.onInventoryClick(holder.getAdapterPosition());
             }
@@ -105,14 +96,14 @@ public class InventoryAdapter extends RecyclerView.Adapter<InventoryAdapter.Inve
         holder.itemView.setOnLongClickListener(v -> {
             if (!selectionMode) {
                 selectionMode = true;
-                toggleSelection(inv.getInventoryId(), holder.checkBox);
+                toggleSelection(inv.getInventoryId(), binding.cbSelectInventory);
                 notifyDataSetChanged();
             }
             return true;
         });
     }
 
-    private void toggleSelection(Long id, CheckBox checkBox) {
+    private void toggleSelection(Long id, android.widget.CheckBox checkBox) {
         if (id == null)
             return;
         if (selectedIds.contains(id)) {

android/app/src/main/java/com/example/petstoremobile/adapters/MessageAdapter.java

@@ -12,6 +12,8 @@ import com.bumptech.glide.load.engine.DiskCacheStrategy;
 import com.bumptech.glide.load.model.GlideUrl;
 import com.bumptech.glide.load.model.LazyHeaders;
 import com.example.petstoremobile.R;
+import com.example.petstoremobile.databinding.ItemMessageReceivedBinding;
+import com.example.petstoremobile.databinding.ItemMessageSentBinding;
 import com.example.petstoremobile.models.Message;
 import java.util.List;
 
@@ -51,11 +53,11 @@ public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
     public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
         LayoutInflater inf = LayoutInflater.from(parent.getContext());
         if (viewType == TYPE_SENT) {
-            View v = inf.inflate(R.layout.item_message_sent, parent, false);
+            ItemMessageSentBinding binding = ItemMessageSentBinding.inflate(inf, parent, false);
-            return new SentHolder(v);
+            return new SentHolder(binding);
         } else {
-            View v = inf.inflate(R.layout.item_message_received, parent, false);
+            ItemMessageReceivedBinding binding = ItemMessageReceivedBinding.inflate(inf, parent, false);
-            return new ReceivedHolder(v);
+            return new ReceivedHolder(binding);
         }
     }
 
@@ -69,32 +71,26 @@ public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
     @Override public int getItemCount() { return messages.size(); }
 
     static class SentHolder extends RecyclerView.ViewHolder {
-        TextView tvMessage, tvAttachmentName;
+        final ItemMessageSentBinding binding;
-        ImageView ivAttachment;
+        SentHolder(ItemMessageSentBinding binding) {
-        SentHolder(View v) {
+            super(binding.getRoot());
-            super(v);
+            this.binding = binding;
-            tvMessage = v.findViewById(R.id.tvMessageContent);
-            tvAttachmentName = v.findViewById(R.id.tvAttachmentName);
-            ivAttachment = v.findViewById(R.id.ivAttachment);
         }
         void bind(Message m, String token) {
-            tvMessage.setText(m.getContent());
+            binding.tvMessageContent.setText(m.getContent());
-            displayAttachment(m, ivAttachment, tvAttachmentName, token);
+            displayAttachment(m, binding.ivAttachment, binding.tvAttachmentName, token);
         }
     }
 
     static class ReceivedHolder extends RecyclerView.ViewHolder {
-        TextView tvMessage, tvAttachmentName;
+        final ItemMessageReceivedBinding binding;
-        ImageView ivAttachment;
+        ReceivedHolder(ItemMessageReceivedBinding binding) {
-        ReceivedHolder(View v) {
+            super(binding.getRoot());
-            super(v);
+            this.binding = binding;
-            tvMessage = v.findViewById(R.id.tvMessageContent);
-            tvAttachmentName = v.findViewById(R.id.tvAttachmentName);
-            ivAttachment = v.findViewById(R.id.ivAttachment);
         }
         void bind(Message m, String token) {
-            tvMessage.setText(m.getContent());
+            binding.tvMessageContent.setText(m.getContent());
-            displayAttachment(m, ivAttachment, tvAttachmentName, token);
+            displayAttachment(m, binding.ivAttachment, binding.tvAttachmentName, token);
         }
     }
 

android/app/src/main/java/com/example/petstoremobile/adapters/PetAdapter.java

@@ -2,15 +2,13 @@ package com.example.petstoremobile.adapters;
 
 import android.graphics.Color;
 import android.view.LayoutInflater;
-import android.view.View;
 import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.example.petstoremobile.R;
 import com.example.petstoremobile.api.PetApi;
+import com.example.petstoremobile.databinding.ItemPetBinding;
 import com.example.petstoremobile.dtos.PetDTO;
 import com.example.petstoremobile.utils.GlideUtils;
 import java.util.List;
@@ -43,17 +41,11 @@ public class PetAdapter extends RecyclerView.Adapter<PetAdapter.PetViewHolder> {
 
     // Get the controls of each row in recycler view
     public static class PetViewHolder extends RecyclerView.ViewHolder {
-        TextView tvPetName, tvPetSpeciesBreed, tvPetAge, tvPetPrice, tvPetStatus;
+        private final ItemPetBinding binding;
-        ImageView ivPetProfile;
 
-        public PetViewHolder(@NonNull View v) {
+        public PetViewHolder(@NonNull ItemPetBinding binding) {
-            super(v);
+            super(binding.getRoot());
-            tvPetName = v.findViewById(R.id.tvPetName);
+            this.binding = binding;
-            tvPetSpeciesBreed = v.findViewById(R.id.tvPetSpeciesBreed);
-            tvPetAge = v.findViewById(R.id.tvPetAge);
-            tvPetPrice = v.findViewById(R.id.tvPetPrice);
-            tvPetStatus = v.findViewById(R.id.tvPetStatus);
-            ivPetProfile = v.findViewById(R.id.ivPetProfile);
         }
     }
 
@@ -61,41 +53,42 @@ public class PetAdapter extends RecyclerView.Adapter<PetAdapter.PetViewHolder> {
     @NonNull
     @Override
     public PetViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_pet, parent, false);
+        ItemPetBinding binding = ItemPetBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-        return new PetViewHolder(v);
+        return new PetViewHolder(binding);
     }
 
     //populate the row with pet data
     @Override
     public void onBindViewHolder(@NonNull PetViewHolder holder, int position) {
         PetDTO pet = petList.get(position);
+        ItemPetBinding binding = holder.binding;
 
-        holder.tvPetName.setText(pet.getPetName());
+        binding.tvPetName.setText(pet.getPetName());
-        holder.tvPetSpeciesBreed.setText(pet.getPetSpecies() + " - " + pet.getPetBreed());
+        binding.tvPetSpeciesBreed.setText(pet.getPetSpecies() + " - " + pet.getPetBreed());
-        holder.tvPetAge.setText("Age: " + pet.getPetAge() + " yr(s)");
+        binding.tvPetAge.setText("Age: " + pet.getPetAge() + " yr(s)");
         
         Double price = pet.getPetPrice();
         if (price != null) {
-            holder.tvPetPrice.setText("$" + String.format("%.2f", price));
+            binding.tvPetPrice.setText("$" + String.format("%.2f", price));
         } else {
-            holder.tvPetPrice.setText("$0.00");
+            binding.tvPetPrice.setText("$0.00");
         }
         
-        holder.tvPetStatus.setText(pet.getPetStatus());
+        binding.tvPetStatus.setText(pet.getPetStatus());
 
         //Set the status color depending on availability. If available, green, otherwise red
         if (pet.getPetStatus() != null && pet.getPetStatus().equals("Available")) {
-            holder.tvPetStatus.setBackgroundColor(Color.parseColor("#4CAF50"));
+            binding.tvPetStatus.setBackgroundColor(Color.parseColor("#4CAF50"));
         } else {
-            holder.tvPetStatus.setBackgroundColor(Color.parseColor("#F44336"));
+            binding.tvPetStatus.setBackgroundColor(Color.parseColor("#F44336"));
         }
 
         // Load pet image using Glide
         if (baseUrl != null) {
             String imageUrl = baseUrl + String.format(PetApi.PET_IMAGE_PATH, pet.getPetId());
-            GlideUtils.loadImageWithTokenCircle(holder.itemView.getContext(), holder.ivPetProfile, imageUrl, token, R.drawable.placeholder);
+            GlideUtils.loadImageWithTokenCircle(holder.itemView.getContext(), binding.ivPetProfile, imageUrl, token, R.drawable.placeholder);
         } else {
-            holder.ivPetProfile.setImageResource(R.drawable.placeholder);
+            binding.ivPetProfile.setImageResource(R.drawable.placeholder);
         }
 
         //when a row is clicked, open the detail view

android/app/src/main/java/com/example/petstoremobile/adapters/ProductAdapter.java

@@ -1,13 +1,12 @@
 package com.example.petstoremobile.adapters;
 
 import android.view.*;
-import android.widget.ImageView;
-import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.example.petstoremobile.R;
 import com.example.petstoremobile.api.ProductApi;
+import com.example.petstoremobile.databinding.ItemProductBinding;
 import com.example.petstoremobile.dtos.ProductDTO;
 import com.example.petstoremobile.utils.GlideUtils;
 import java.util.List;
@@ -37,41 +36,37 @@ public class ProductAdapter extends RecyclerView.Adapter<ProductAdapter.ProductV
     }
 
     public static class ProductViewHolder extends RecyclerView.ViewHolder {
-        TextView tvName, tvCategory, tvDesc, tvPrice;
+        final ItemProductBinding binding;
-        ImageView ivProductImage;
 
-        public ProductViewHolder(@NonNull View v) {
+        public ProductViewHolder(@NonNull ItemProductBinding binding) {
-            super(v);
+            super(binding.getRoot());
-            tvName     = v.findViewById(R.id.tvProductName);
+            this.binding = binding;
-            tvCategory = v.findViewById(R.id.tvProductCategory);
-            tvDesc     = v.findViewById(R.id.tvProductDesc);
-            tvPrice    = v.findViewById(R.id.tvProductPrice);
-            ivProductImage = v.findViewById(R.id.ivProductImage);
         }
     }
 
     @NonNull
     @Override
     public ProductViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext())
+        ItemProductBinding binding = ItemProductBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-                .inflate(R.layout.item_product, parent, false);
+        return new ProductViewHolder(binding);
-        return new ProductViewHolder(v);
     }
 
     @Override
     public void onBindViewHolder(@NonNull ProductViewHolder holder, int position) {
         ProductDTO p = productList.get(position);
-        holder.tvName.setText(p.getProdName() != null ? p.getProdName() : "");
+        ItemProductBinding binding = holder.binding;
-        holder.tvCategory.setText("Category: " + (p.getCategoryName() != null ? p.getCategoryName() : ""));
+
-        holder.tvDesc.setText(p.getProdDesc() != null ? p.getProdDesc() : "");
+        binding.tvProductName.setText(p.getProdName() != null ? p.getProdName() : "");
-        holder.tvPrice.setText(p.getProdPrice() != null ? "$" + p.getProdPrice() : "");
+        binding.tvProductCategory.setText("Category: " + (p.getCategoryName() != null ? p.getCategoryName() : ""));
+        binding.tvProductDesc.setText(p.getProdDesc() != null ? p.getProdDesc() : "");
+        binding.tvProductPrice.setText(p.getProdPrice() != null ? "$" + p.getProdPrice() : "");
 
         // Load product image using Glide
         if (baseUrl != null) {
             String imageUrl = baseUrl + String.format(ProductApi.PRODUCT_IMAGE_PATH, p.getProdId());
-            GlideUtils.loadImageWithTokenCircle(holder.itemView.getContext(), holder.ivProductImage, imageUrl, token, R.drawable.placeholder);
+            GlideUtils.loadImageWithTokenCircle(holder.itemView.getContext(), binding.ivProductImage, imageUrl, token, R.drawable.placeholder);
         } else {
-            holder.ivProductImage.setImageResource(R.drawable.placeholder);
+            binding.ivProductImage.setImageResource(R.drawable.placeholder);
         }
 
         holder.itemView.setOnClickListener(v -> listener.onProductClick(position));

android/app/src/main/java/com/example/petstoremobile/adapters/ProductSupplierAdapter.java

@@ -1,10 +1,10 @@
 package com.example.petstoremobile.adapters;
 
-import android.view.*;
+import android.view.LayoutInflater;
-import android.widget.TextView;
+import android.view.ViewGroup;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
-import com.example.petstoremobile.R;
+import com.example.petstoremobile.databinding.ItemProductSupplierBinding;
 import com.example.petstoremobile.dtos.ProductSupplierDTO;
 import java.util.List;
 
@@ -23,30 +23,29 @@ public class ProductSupplierAdapter extends RecyclerView.Adapter<ProductSupplier
     }
 
     public static class PSViewHolder extends RecyclerView.ViewHolder {
-        TextView tvProductName, tvSupplierName, tvCost;
+        final ItemProductSupplierBinding binding;
 
-        public PSViewHolder(@NonNull View v) {
+        public PSViewHolder(@NonNull ItemProductSupplierBinding binding) {
-            super(v);
+            super(binding.getRoot());
-            tvProductName  = v.findViewById(R.id.tvPSProductName);
+            this.binding = binding;
-            tvSupplierName = v.findViewById(R.id.tvPSSupplierName);
-            tvCost         = v.findViewById(R.id.tvPSCost);
         }
     }
 
     @NonNull
     @Override
     public PSViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext())
+        ItemProductSupplierBinding binding = ItemProductSupplierBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-                .inflate(R.layout.item_product_supplier, parent, false);
+        return new PSViewHolder(binding);
-        return new PSViewHolder(v);
     }
 
     @Override
     public void onBindViewHolder(@NonNull PSViewHolder holder, int position) {
         ProductSupplierDTO ps = list.get(position);
-        holder.tvProductName.setText(ps.getProductName() != null ? ps.getProductName() : "");
+        ItemProductSupplierBinding binding = holder.binding;
-        holder.tvSupplierName.setText("Supplier: " + (ps.getSupplierName() != null ? ps.getSupplierName() : ""));
+
-        holder.tvCost.setText(ps.getCost() != null ? "Cost: $" + ps.getCost() : "");
+        binding.tvPSProductName.setText(ps.getProductName() != null ? ps.getProductName() : "");
+        binding.tvPSSupplierName.setText("Supplier: " + (ps.getSupplierName() != null ? ps.getSupplierName() : ""));
+        binding.tvPSCost.setText(ps.getCost() != null ? "Cost: $" + ps.getCost() : "");
         holder.itemView.setOnClickListener(v -> listener.onProductSupplierClick(position));
     }
 

android/app/src/main/java/com/example/petstoremobile/adapters/PurchaseOrderAdapter.java

@@ -1,11 +1,11 @@
 package com.example.petstoremobile.adapters;
 
 import android.graphics.Color;
-import android.view.*;
+import android.view.LayoutInflater;
-import android.widget.TextView;
+import android.view.ViewGroup;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
-import com.example.petstoremobile.R;
+import com.example.petstoremobile.databinding.ItemPurchaseOrderBinding;
 import com.example.petstoremobile.dtos.PurchaseOrderDTO;
 import java.util.List;
 
@@ -24,47 +24,45 @@ public class PurchaseOrderAdapter extends RecyclerView.Adapter<PurchaseOrderAdap
     }
 
     public static class POViewHolder extends RecyclerView.ViewHolder {
-        TextView tvId, tvSupplier, tvDate, tvStatus;
+        final ItemPurchaseOrderBinding binding;
 
-        public POViewHolder(@NonNull View v) {
+        public POViewHolder(@NonNull ItemPurchaseOrderBinding binding) {
-            super(v);
+            super(binding.getRoot());
-            tvId = v.findViewById(R.id.tvPOId);
+            this.binding = binding;
-            tvSupplier = v.findViewById(R.id.tvPOSupplier);
-            tvDate = v.findViewById(R.id.tvPODate);
-            tvStatus = v.findViewById(R.id.tvPOStatus);
         }
     }
 
     @NonNull
     @Override
     public POViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext())
+        ItemPurchaseOrderBinding binding = ItemPurchaseOrderBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-                .inflate(R.layout.item_purchase_order, parent, false);
+        return new POViewHolder(binding);
-        return new POViewHolder(v);
     }
 
     @Override
     public void onBindViewHolder(@NonNull POViewHolder holder, int position) {
         PurchaseOrderDTO po = list.get(position);
-        holder.tvId.setText("PO #" + (po.getPurchaseOrderId() != null ? po.getPurchaseOrderId() : ""));
+        ItemPurchaseOrderBinding binding = holder.binding;
-        holder.tvSupplier.setText("Supplier: " + (po.getSupplierName() != null ? po.getSupplierName() : ""));
+
-        holder.tvDate.setText("Date: " + (po.getOrderDate() != null ? po.getOrderDate() : ""));
+        binding.tvPOId.setText("PO #" + (po.getPurchaseOrderId() != null ? po.getPurchaseOrderId() : ""));
+        binding.tvPOSupplier.setText("Supplier: " + (po.getSupplierName() != null ? po.getSupplierName() : ""));
+        binding.tvPODate.setText("Date: " + (po.getOrderDate() != null ? po.getOrderDate() : ""));
 
         String status = po.getStatus() != null ? po.getStatus() : "";
-        holder.tvStatus.setText(status);
+        binding.tvPOStatus.setText(status);
 
         switch (status) {
             case "Completed":
-                holder.tvStatus.setBackgroundColor(Color.parseColor("#4CAF50"));
+                binding.tvPOStatus.setBackgroundColor(Color.parseColor("#4CAF50"));
                 break;
             case "Pending":
-                holder.tvStatus.setBackgroundColor(Color.parseColor("#FF9800"));
+                binding.tvPOStatus.setBackgroundColor(Color.parseColor("#FF9800"));
                 break;
             case "Cancelled":
-                holder.tvStatus.setBackgroundColor(Color.parseColor("#F44336"));
+                binding.tvPOStatus.setBackgroundColor(Color.parseColor("#F44336"));
                 break;
             default:
-                holder.tvStatus.setBackgroundColor(Color.parseColor("#9E9E9E"));
+                binding.tvPOStatus.setBackgroundColor(Color.parseColor("#9E9E9E"));
                 break;
         }
 

android/app/src/main/java/com/example/petstoremobile/adapters/SaleAdapter.java

@@ -4,10 +4,9 @@ import android.graphics.Color;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
-import com.example.petstoremobile.R;
+import com.example.petstoremobile.databinding.ItemSaleBinding;
 import com.example.petstoremobile.models.Sale;
 import java.util.List;
 
@@ -26,46 +25,41 @@ public class SaleAdapter extends RecyclerView.Adapter<SaleAdapter.SaleViewHolder
     }
 
     public static class SaleViewHolder extends RecyclerView.ViewHolder {
-        TextView tvSaleId, tvItemName, tvEmployeeName, tvSaleDate, tvTotal, tvPaymentMethod, tvRefundBadge;
+        final ItemSaleBinding binding;
 
-        public SaleViewHolder(@NonNull View v) {
+        public SaleViewHolder(@NonNull ItemSaleBinding binding) {
-            super(v);
+            super(binding.getRoot());
-            tvSaleId = v.findViewById(R.id.tvSaleId);
+            this.binding = binding;
-            tvItemName = v.findViewById(R.id.tvSaleItemName);
-            tvEmployeeName = v.findViewById(R.id.tvSaleEmployee);
-            tvSaleDate = v.findViewById(R.id.tvSaleDate);
-            tvTotal = v.findViewById(R.id.tvSaleTotal);
-            tvPaymentMethod = v.findViewById(R.id.tvSalePayment);
-            tvRefundBadge = v.findViewById(R.id.tvRefundBadge);
         }
     }
 
     @NonNull
     @Override
     public SaleViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_sale, parent, false);
+        ItemSaleBinding binding = ItemSaleBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-        return new SaleViewHolder(v);
+        return new SaleViewHolder(binding);
     }
 
     @Override
     public void onBindViewHolder(@NonNull SaleViewHolder holder, int position) {
         Sale sale = saleList.get(position);
+        ItemSaleBinding binding = holder.binding;
 
-        holder.tvSaleId.setText("ID: " + sale.getSaleId());
+        binding.tvSaleId.setText("ID: " + sale.getSaleId());
-        holder.tvItemName.setText(sale.getItemName());
+        binding.tvSaleItemName.setText(sale.getItemName());
-        holder.tvEmployeeName.setText("By: " + sale.getEmployeeName());
+        binding.tvSaleEmployee.setText("By: " + sale.getEmployeeName());
-        holder.tvSaleDate.setText(sale.getSaleDate());
+        binding.tvSaleDate.setText(sale.getSaleDate());
-        holder.tvTotal.setText("$" + String.format("%.2f", sale.getTotal()));
+        binding.tvSaleTotal.setText("$" + String.format("%.2f", sale.getTotal()));
-        holder.tvPaymentMethod.setText(sale.getPaymentMethod());
+        binding.tvSalePayment.setText(sale.getPaymentMethod());
 
         // Show refund badge if it's a refund
         if (sale.isRefund()) {
-            holder.tvRefundBadge.setVisibility(View.VISIBLE);
+            binding.tvRefundBadge.setVisibility(View.VISIBLE);
-            holder.tvRefundBadge.setBackgroundColor(Color.parseColor("#F44336"));
+            binding.tvRefundBadge.setBackgroundColor(Color.parseColor("#F44336"));
-            holder.tvTotal.setTextColor(Color.parseColor("#F44336"));
+            binding.tvSaleTotal.setTextColor(Color.parseColor("#F44336"));
         } else {
-            holder.tvRefundBadge.setVisibility(View.GONE);
+            binding.tvRefundBadge.setVisibility(View.GONE);
-            holder.tvTotal.setTextColor(Color.parseColor("#4CAF50"));
+            binding.tvSaleTotal.setTextColor(Color.parseColor("#4CAF50"));
         }
 
         holder.itemView.setOnClickListener(v -> saleClickListener.onSaleClick(position));

android/app/src/main/java/com/example/petstoremobile/adapters/ServiceAdapter.java

@@ -1,12 +1,10 @@
 package com.example.petstoremobile.adapters;
 
 import android.view.LayoutInflater;
-import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
-import com.example.petstoremobile.R;
+import com.example.petstoremobile.databinding.ItemServiceBinding;
 import com.example.petstoremobile.dtos.ServiceDTO;
 import java.util.List;
 
@@ -28,14 +26,11 @@ public class ServiceAdapter extends RecyclerView.Adapter<ServiceAdapter.ServiceV
 
     // Get the controls of each row in recycler view
     public static class ServiceViewHolder extends RecyclerView.ViewHolder {
-        TextView tvServiceName, tvServiceDesc, tvServiceDuration, tvServicePrice;
+        final ItemServiceBinding binding;
 
-        public ServiceViewHolder(@NonNull View v) {
+        public ServiceViewHolder(@NonNull ItemServiceBinding binding) {
-            super(v);
+            super(binding.getRoot());
-            tvServiceName = v.findViewById(R.id.tvServiceName);
+            this.binding = binding;
-            tvServiceDesc = v.findViewById(R.id.tvServiceDesc);
-            tvServiceDuration = v.findViewById(R.id.tvServiceDuration);
-            tvServicePrice = v.findViewById(R.id.tvServicePrice);
         }
     }
 
@@ -43,19 +38,20 @@ public class ServiceAdapter extends RecyclerView.Adapter<ServiceAdapter.ServiceV
     @NonNull
     @Override
     public ServiceViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_service, parent, false);
+        ItemServiceBinding binding = ItemServiceBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-        return new ServiceViewHolder(v);
+        return new ServiceViewHolder(binding);
     }
 
     //populate the row with service data
     @Override
     public void onBindViewHolder(@NonNull ServiceViewHolder holder, int position) {
         ServiceDTO service = serviceList.get(position);
+        ItemServiceBinding binding = holder.binding;
 
-        holder.tvServiceName.setText(service.getServiceName());
+        binding.tvServiceName.setText(service.getServiceName());
-        holder.tvServiceDesc.setText(service.getServiceDesc());
+        binding.tvServiceDesc.setText(service.getServiceDesc());
-        holder.tvServiceDuration.setText("Duration: " + service.getServiceDuration() + " min");
+        binding.tvServiceDuration.setText("Duration: " + service.getServiceDuration() + " min");
-        holder.tvServicePrice.setText("$" + String.format("%.2f", service.getServicePrice()));
+        binding.tvServicePrice.setText("$" + String.format("%.2f", service.getServicePrice()));
 
         //when a row is clicked, open the detail view
         holder.itemView.setOnClickListener(v -> serviceClickListener.onServiceClick(position));

android/app/src/main/java/com/example/petstoremobile/adapters/SupplierAdapter.java

@@ -1,12 +1,10 @@
 package com.example.petstoremobile.adapters;
 
 import android.view.LayoutInflater;
-import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
-import com.example.petstoremobile.R;
+import com.example.petstoremobile.databinding.ItemSupplierBinding;
 import com.example.petstoremobile.dtos.SupplierDTO;
 import java.util.List;
 
@@ -28,14 +26,11 @@ public class SupplierAdapter extends RecyclerView.Adapter<SupplierAdapter.Suppli
 
     // Get the controls of each row in recycler view
     public static class SupplierViewHolder extends RecyclerView.ViewHolder {
-        TextView tvSupCompany, tvSupContactName, tvSupEmail, tvSupPhone;
+        final ItemSupplierBinding binding;
 
-        public SupplierViewHolder(@NonNull View v) {
+        public SupplierViewHolder(@NonNull ItemSupplierBinding binding) {
-            super(v);
+            super(binding.getRoot());
-            tvSupCompany = v.findViewById(R.id.tvSupCompany);
+            this.binding = binding;
-            tvSupContactName = v.findViewById(R.id.tvSupContactName);
-            tvSupEmail = v.findViewById(R.id.tvSupEmail);
-            tvSupPhone = v.findViewById(R.id.tvSupPhone);
         }
     }
 
@@ -43,19 +38,20 @@ public class SupplierAdapter extends RecyclerView.Adapter<SupplierAdapter.Suppli
     @NonNull
     @Override
     public SupplierViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_supplier, parent, false);
+        ItemSupplierBinding binding = ItemSupplierBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-        return new SupplierViewHolder(v);
+        return new SupplierViewHolder(binding);
     }
 
     //populate the row with supplier data
     @Override
     public void onBindViewHolder(@NonNull SupplierViewHolder holder, int position) {
         SupplierDTO supplier = supplierList.get(position);
+        ItemSupplierBinding binding = holder.binding;
 
-        holder.tvSupCompany.setText(supplier.getSupCompany());
+        binding.tvSupCompany.setText(supplier.getSupCompany());
-        holder.tvSupContactName.setText(supplier.getSupContactFirstName() + " " + supplier.getSupContactLastName());
+        binding.tvSupContactName.setText(supplier.getSupContactFirstName() + " " + supplier.getSupContactLastName());
-        holder.tvSupEmail.setText(supplier.getSupEmail());
+        binding.tvSupEmail.setText(supplier.getSupEmail());
-        holder.tvSupPhone.setText(supplier.getSupPhone());
+        binding.tvSupPhone.setText(supplier.getSupPhone());
 
         //when a row is clicked, open the detail view
         holder.itemView.setOnClickListener(v -> supplierClickListener.onSupplierClick(position));

android/app/src/main/res/layout/item_appointment.xml

@@ -55,6 +55,15 @@
         android:textColor="#666666"
         android:textSize="14sp" />
 
+    <TextView
+        android:id="@+id/tvStaffName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="2dp"
+        android:text="Staff: name"
+        android:textColor="#666666"
+        android:textSize="14sp" />
+
     <TextView
         android:id="@+id/tvDateTime"
         android:layout_width="wrap_content"