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Product activities , to create, view

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Nikitha
2026-03-12 20:53:53 -06:00
parent 61f3e52383
commit 0c48605519
6 changed files with 632 additions and 0 deletions
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72
app/src/main/java/com/example/petstoremobile/adapters/ProductAdapter.java Normal file
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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.models.Product;
import java.util.List;
public class ProductAdapter extends RecyclerView.Adapter<ProductAdapter.ProductViewHolder> {
private List<Product> productList;
private OnProductClickListener productClickListener;
// Interface for product click on recycler view
public interface OnProductClickListener {
void onProductClick(int position);
}
// Constructor
public ProductAdapter(List<Product> productList, OnProductClickListener productClickListener) {
this.productList = productList;
this.productClickListener = productClickListener;
}
// Get the controls of each row in recycler view
public static class ProductViewHolder extends RecyclerView.ViewHolder {
TextView tvProductName, tvProductDesc, tvCategory, tvProductPrice, tvStockQuantity;
public ProductViewHolder(@NonNull View v) {
super(v);
tvProductName = v.findViewById(R.id.tvProductName);
tvProductDesc = v.findViewById(R.id.tvProductDesc);
tvCategory = v.findViewById(R.id.tvProductCategory);
tvProductPrice = v.findViewById(R.id.tvProductPrice);
tvStockQuantity = v.findViewById(R.id.tvStockQuantity);
}
}
// Create a new row view
@NonNull
@Override
public ProductViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_product, parent, false);
return new ProductViewHolder(v);
}
// Populate the row with product data
@Override
public void onBindViewHolder(@NonNull ProductViewHolder holder, int position) {
Product product = productList.get(position);
holder.tvProductName.setText(product.getProductName());
holder.tvProductDesc.setText(product.getProductDesc());
holder.tvCategory.setText(product.getCategory());
holder.tvProductPrice.setText("$" + String.format("%.2f", product.getProductPrice()));
holder.tvStockQuantity.setText("Stock: " + product.getStockQuantity());
// When a row is clicked, open the detail view
holder.itemView.setOnClickListener(v -> productClickListener.onProductClick(position));
}
@Override
public int getItemCount() {
return productList.size();
}
}

148
app/src/main/java/com/example/petstoremobile/fragments/listfragments/ProductFragment.java Normal file
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package com.example.petstoremobile.fragments.listfragments;
// Added search/filter bar to filter products by name or category.
// Added pull-to-refresh using SwipeRefreshLayout.
import android.os.Bundle;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import com.example.petstoremobile.R;
import com.example.petstoremobile.adapters.ProductAdapter;
import com.example.petstoremobile.fragments.ListFragment;
import com.example.petstoremobile.fragments.listfragments.detailfragments.ProductDetailFragment;
import com.example.petstoremobile.models.Product;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import java.util.ArrayList;
import java.util.List;
public class ProductFragment extends Fragment implements ProductAdapter.OnProductClickListener {
private List<Product> productList = new ArrayList<>();
private List<Product> filteredList = new ArrayList<>();
private ProductAdapter adapter;
private SwipeRefreshLayout swipeRefreshLayout;
private EditText etSearch;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_product, container, false);
loadProductData(); // TODO: Replace with actual API call when backend is ready
setupRecyclerView(view);
setupSearch(view);
setupSwipeRefresh(view);
FloatingActionButton fabAddProduct = view.findViewById(R.id.fabAddProduct);
fabAddProduct.setOnClickListener(v -> openProductDetails(-1));
return view;
}
// Filters products by name, description, or category
private void setupSearch(View view) {
etSearch = view.findViewById(R.id.etSearchProduct);
etSearch.addTextChangedListener(new TextWatcher() {
@Override public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
@Override public void onTextChanged(CharSequence s, int start, int before, int count) {
filterProducts(s.toString());
}
@Override public void afterTextChanged(Editable s) {}
});
}
private void filterProducts(String query) {
filteredList.clear();
if (query.isEmpty()) {
filteredList.addAll(productList);
} else {
String lower = query.toLowerCase();
for (Product p : productList) {
if (p.getProductName().toLowerCase().contains(lower)
|| p.getCategory().toLowerCase().contains(lower)
|| p.getProductDesc().toLowerCase().contains(lower)) {
filteredList.add(p);
}
}
}
adapter.notifyDataSetChanged();
}
private void setupSwipeRefresh(View view) {
swipeRefreshLayout = view.findViewById(R.id.swipeRefreshProduct);
swipeRefreshLayout.setOnRefreshListener(() -> {
loadProductData(); // TODO: Replace with actual API call
filterProducts(etSearch.getText().toString());
swipeRefreshLayout.setRefreshing(false);
});
}
private void openProductDetails(int position) {
ProductDetailFragment detailFragment = new ProductDetailFragment();
Bundle args = new Bundle();
args.putInt("position", position);
if (position != -1) {
Product product = filteredList.get(position);
int realPosition = productList.indexOf(product);
args.putInt("position", realPosition);
args.putInt("productId", product.getProductId());
args.putString("productName", product.getProductName());
args.putString("productDesc", product.getProductDesc());
args.putString("category", product.getCategory());
args.putDouble("productPrice", product.getProductPrice());
args.putInt("stockQuantity", product.getStockQuantity());
}
detailFragment.setArguments(args);
detailFragment.setProductFragment(this);
ListFragment listFragment = (ListFragment) getParentFragment();
if (listFragment != null) listFragment.loadFragment(detailFragment);
}
public void onProductSaved(int position, Product product) {
if (position == -1) {
productList.add(product);
} else {
productList.set(position, product);
}
filterProducts(etSearch.getText().toString());
}
public void onProductDeleted(int position) {
productList.remove(position);
filterProducts(etSearch.getText().toString());
}
@Override
public void onProductClick(int position) {
openProductDetails(position);
}
private void loadProductData() {
productList.clear();
productList.add(new Product(1, "Premium Dog Food", "High protein dry food for adult dogs", "Food", 45.99, 25));
productList.add(new Product(2, "Cat Toy Bundle", "Set of 5 interactive toys", "Toys", 19.99, 40));
productList.add(new Product(3, "Pet Shampoo", "Gentle formula for all breeds", "Grooming", 12.99, 60));
productList.add(new Product(4, "Dog Bed - Large", "Memory foam orthopedic bed", "Bedding", 89.99, 10));
productList.add(new Product(5, "Aquarium Starter Kit", "20-gallon tank with filter and light", "Aquatic", 129.99, 5));
filteredList.clear();
filteredList.addAll(productList);
}
private void setupRecyclerView(View view) {
RecyclerView recyclerView = view.findViewById(R.id.recyclerViewProducts);
adapter = new ProductAdapter(filteredList, this);
recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
recyclerView.setAdapter(adapter);
}
}

139
app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/ProductDetailFragment.java Normal file
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package com.example.petstoremobile.fragments.listfragments.detailfragments;
// Uses InputValidator for detailed field validation and ActivityLogger to log all changes.
import android.os.Bundle;
import androidx.fragment.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import com.example.petstoremobile.R;
import com.example.petstoremobile.fragments.ListFragment;
import com.example.petstoremobile.fragments.listfragments.ProductFragment;
import com.example.petstoremobile.models.Product;
import com.example.petstoremobile.utils.ActivityLogger;
import com.example.petstoremobile.utils.InputValidator;
public class ProductDetailFragment extends Fragment {
private TextView tvMode, tvProductId;
private EditText etProductName, etProductDesc, etCategory, etProductPrice, etStockQuantity;
private Button btnSaveProduct, btnDeleteProduct, btnBack;
private int productId;
private int position;
private boolean isEditing = false;
private ProductFragment productFragment;
// Set the product fragment as parent so we refer back when save or delete is done
public void setProductFragment(ProductFragment fragment) {
this.productFragment = fragment;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_product_detail, container, false);
initViews(view);
handleArguments();
btnBack.setOnClickListener(v -> {
ListFragment listFragment = (ListFragment) getParentFragment();
if (listFragment != null) listFragment.getChildFragmentManager().popBackStack();
});
btnSaveProduct.setOnClickListener(v -> saveProduct());
btnDeleteProduct.setOnClickListener(v -> deleteProduct());
return view;
}
// Validates all fields using InputValidator, then saves the product
private void saveProduct() {
if (!InputValidator.isNotEmpty(etProductName, "Product Name")) return;
if (!InputValidator.isNotEmpty(etProductDesc, "Description")) return;
if (!InputValidator.isNotEmpty(etCategory, "Category")) return;
if (!InputValidator.isPositiveDecimal(etProductPrice, "Price")) return;
if (!InputValidator.isPositiveInteger(etStockQuantity, "Stock Quantity")) return;
String productName = etProductName.getText().toString().trim();
String productDesc = etProductDesc.getText().toString().trim();
String category = etCategory.getText().toString().trim();
double productPrice = Double.parseDouble(etProductPrice.getText().toString().trim());
int stockQuantity = Integer.parseInt(etStockQuantity.getText().toString().trim());
try {
if (isEditing) {
// TODO: Replace with actual API PUT call when backend is ready
Product updated = new Product(productId, productName, productDesc, category, productPrice, stockQuantity);
if (productFragment != null) productFragment.onProductSaved(position, updated);
ActivityLogger.logChange(requireContext(), "Product", "UPDATED", productId);
Toast.makeText(getContext(), "Product updated.", Toast.LENGTH_SHORT).show();
} else {
// TODO: Replace with actual API POST call when backend is ready
Product newProduct = new Product(0, productName, productDesc, category, productPrice, stockQuantity);
if (productFragment != null) productFragment.onProductSaved(-1, newProduct);
ActivityLogger.log(requireContext(), "Added new Product: " + productName);
Toast.makeText(getContext(), "Product added.", Toast.LENGTH_SHORT).show();
}
ListFragment listFragment = (ListFragment) getParentFragment();
if (listFragment != null) listFragment.getChildFragmentManager().popBackStack();
} catch (Exception e) {
ActivityLogger.logException(requireContext(), "ProductDetailFragment.saveProduct", e);
Toast.makeText(getContext(), "Error saving product.", Toast.LENGTH_SHORT).show();
}
}
// Deletes the product and logs the action
private void deleteProduct() {
try {
// TODO: Replace with actual API DELETE call when backend is ready
if (productFragment != null) productFragment.onProductDeleted(position);
ActivityLogger.logChange(requireContext(), "Product", "DELETED", productId);
Toast.makeText(getContext(), "Product deleted.", Toast.LENGTH_SHORT).show();
ListFragment listFragment = (ListFragment) getParentFragment();
if (listFragment != null) listFragment.getChildFragmentManager().popBackStack();
} catch (Exception e) {
ActivityLogger.logException(requireContext(), "ProductDetailFragment.deleteProduct", e);
Toast.makeText(getContext(), "Error deleting product.", Toast.LENGTH_SHORT).show();
}
}
private void handleArguments() {
if (getArguments() != null && getArguments().containsKey("productId")) {
isEditing = true;
productId = getArguments().getInt("productId");
position = getArguments().getInt("position");
tvMode.setText("Edit Product");
tvProductId.setText("ID: " + productId);
etProductName.setText(getArguments().getString("productName"));
etProductDesc.setText(getArguments().getString("productDesc"));
etCategory.setText(getArguments().getString("category"));
etProductPrice.setText(String.valueOf(getArguments().getDouble("productPrice")));
etStockQuantity.setText(String.valueOf(getArguments().getInt("stockQuantity")));
btnDeleteProduct.setVisibility(View.VISIBLE);
} else {
isEditing = false;
tvMode.setText("Add Product");
tvProductId.setVisibility(View.GONE);
btnDeleteProduct.setVisibility(View.GONE);
btnSaveProduct.setText("Add");
}
}
private void initViews(View view) {
tvMode = view.findViewById(R.id.tvProductMode);
tvProductId = view.findViewById(R.id.tvProductId);
etProductName = view.findViewById(R.id.etProductName);
etProductDesc = view.findViewById(R.id.etProductDesc);
etCategory = view.findViewById(R.id.etProductCategory);
etProductPrice = view.findViewById(R.id.etProductPrice);
etStockQuantity = view.findViewById(R.id.etStockQuantity);
btnSaveProduct = view.findViewById(R.id.btnSaveProduct);
btnDeleteProduct = view.findViewById(R.id.btnDeleteProduct);
btnBack = view.findViewById(R.id.btnProductBack);
}
}

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app/src/main/java/com/example/petstoremobile/models/Product.java Normal file
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package com.example.petstoremobile.models;
public class Product {
private int productId;
private String productName;
private String productDesc;
private String category;
private double productPrice;
private int stockQuantity;
// Constructor
public Product(int productId, String productName, String productDesc, String category, double productPrice, int stockQuantity) {
this.productId = productId;
this.productName = productName;
this.productDesc = productDesc;
this.category = category;
this.productPrice = productPrice;
this.stockQuantity = stockQuantity;
}
// Getters and setters
public int getProductId() {
return productId;
}
public String getProductName() {
return productName;
}
public void setProductName(String productName) {
this.productName = productName;
}
public String getProductDesc() {
return productDesc;
}
public void setProductDesc(String productDesc) {
this.productDesc = productDesc;
}
public String getCategory() {
return category;
}
public void setCategory(String category) {
this.category = category;
}
public double getProductPrice() {
return productPrice;
}
public void setProductPrice(double productPrice) {
this.productPrice = productPrice;
}
public int getStockQuantity() {
return stockQuantity;
}
public void setStockQuantity(int stockQuantity) {
this.stockQuantity = stockQuantity;
}
}

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app/src/main/res/layout/fragment_product.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!-- Updated: added search bar and SwipeRefreshLayout for pull-to-refresh -->
<androidx.coordinatorlayout.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#F5F5F5">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<EditText
android:id="@+id/etSearchProduct"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="8dp"
android:hint="Search by product name or category..."
android:inputType="text"
android:drawableStart="@android:drawable/ic_menu_search"
android:drawablePadding="8dp"
android:background="@android:color/white"
android:padding="12dp"/>
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout
android:id="@+id/swipeRefreshProduct"
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/recyclerViewProducts"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="8dp"/>
</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
</LinearLayout>
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/fabAddProduct"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="16dp"
android:contentDescription="Add Product"
app:srcCompat="@android:drawable/ic_input_add"/>
</androidx.coordinatorlayout.widget.CoordinatorLayout>

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app/src/main/res/layout/fragment_product_detail.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#F5F5F5">
<LinearLayout
android:id="@+id/main"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:paddingLeft="20dp"
android:paddingRight="20dp"
android:paddingTop="20dp"
android:paddingBottom="20dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/tvProductMode"
android:layout_width="245dp"
android:layout_height="48dp"
android:fontFamily="sans-serif-black"
android:text="Add Product"
android:textColor="@color/text_dark"
android:textSize="25sp" />
<Button
android:id="@+id/btnDeleteProduct"
android:layout_width="121dp"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_weight="1"
android:text="Delete" />
</LinearLayout>
<TextView
android:id="@+id/tvProductId"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="20dp"
android:text="ID: 0" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="4dp"
android:text="Product Name"
android:textColor="@color/text_dark"
android:textSize="12sp" />
<EditText
android:id="@+id/etProductName"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="16dp"
android:hint="Enter product name"
android:inputType="text" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="4dp"
android:text="Description"
android:textColor="@color/text_dark"
android:textSize="12sp" />
<EditText
android:id="@+id/etProductDesc"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="16dp"
android:hint="Enter product description"
android:inputType="textMultiLine"
android:lines="3" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="4dp"
android:text="Category"
android:textColor="@color/text_dark"
android:textSize="12sp" />
<EditText
android:id="@+id/etProductCategory"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="16dp"
android:hint="e.g. Food, Toys, Grooming"
android:inputType="text" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="4dp"
android:text="Price"
android:textColor="@color/text_dark"
android:textSize="12sp" />
<EditText
android:id="@+id/etProductPrice"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="16dp"
android:hint="Enter price"
android:inputType="numberDecimal" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="4dp"
android:text="Stock Quantity"
android:textColor="@color/text_dark"
android:textSize="12sp" />
<EditText
android:id="@+id/etStockQuantity"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="32dp"
android:hint="Enter stock quantity"
android:inputType="number" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:id="@+id/btnProductBack"
android:layout_width="121dp"
android:layout_height="wrap_content"
android:layout_marginRight="20dp"
android:layout_marginBottom="8dp"
android:layout_weight="1"
android:text="Back" />
<Button
android:id="@+id/btnSaveProduct"
android:layout_width="121dp"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginBottom="8dp"
android:layout_weight="1"
android:text="Save" />
</LinearLayout>
</LinearLayout>
</ScrollView>