Merge pull request #17 from Mofazzal874/Amit

Modified all the adapters(category, suggested, view all), Added javad…

app/src/main/java/com/example/projecto/adapters/CategoryAdapters.java

@@ -1,6 +1,5 @@
 package com.example.projecto.adapters;
 
-import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.Intent;
 import android.view.LayoutInflater;
@@ -19,47 +18,72 @@
 
 import java.util.List;
 
+/**
+ * Adapter class for displaying categories in a RecyclerView.
+ * This adapter manages the binding of CategoryModel data into the UI elements within a RecyclerView.
+ */
 public class CategoryAdapters extends RecyclerView.Adapter<CategoryAdapters.ViewHolder> {
 
-    Context context;
-    List<CategoryModel> categoryModelList;
+    private Context context;
+    private List<CategoryModel> categoryModelList;
 
+    /**
+     * Constructor for CategoryAdapters.
+     * @param context The current context.
+     * @param categoryModelList The list of categories to be displayed.
+     */
     public CategoryAdapters(Context context, List<CategoryModel> categoryModelList) {
         this.context = context;
         this.categoryModelList = categoryModelList;
     }
 
+    /**
+     * Inflates the view for each category item.
+     * @param parent The ViewGroup into which the new View will be added after it is bound to an adapter position.
+     * @param viewType The view type of the new View.
+     * @return A new ViewHolder that holds the View for each category item.
+     */
     @NonNull
     @Override
-    public CategoryAdapters.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        return new ViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.category_item,parent,false));
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.category_item, parent, false);
+        return new ViewHolder(itemView);
     }
 
+    /**
+     * Binds data to the view holder at the specified position in the RecyclerView.
+     * @param holder The ViewHolder which should be updated to represent the contents of the item at the given position in the data set.
+     * @param position The position of the item within the adapter's data set.
+     */
     @Override
-    public void onBindViewHolder(@NonNull CategoryAdapters.ViewHolder holder, int position) {
-        Glide.with(context).load(categoryModelList.get(position).getImg_url()).into(holder.catImg);
-        holder.name.setText(categoryModelList.get(position).getName());
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        CategoryModel model = categoryModelList.get(position);
+        Glide.with(context).load(model.getImg_url()).into(holder.catImg);
+        holder.name.setText(model.getName());
 
-
-        holder.itemView.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                Intent intent = new Intent(context, ViewAllActivity.class);
-                intent.putExtra("type",categoryModelList.get(holder.getAdapterPosition()).getType());
-                context.startActivity(intent);
-            }
+        holder.itemView.setOnClickListener(v -> {
+            Intent intent = new Intent(context, ViewAllActivity.class);
+            intent.putExtra("type", model.getType());
+            context.startActivity(intent);
         });
     }
 
+    /**
+     * Returns the total number of items in the data set held by the adapter.
+     * @return The total number of items in this adapter.
+     */
     @Override
     public int getItemCount() {
         return categoryModelList.size();
     }
 
+    /**
+     * Provides a reference to the type of views that you are using (custom ViewHolder).
+     */
     public class ViewHolder extends RecyclerView.ViewHolder {
-
         ImageView catImg;
         TextView name;
+
         public ViewHolder(@NonNull View itemView) {
             super(itemView);
             catImg = itemView.findViewById(R.id.cat_img);

app/src/main/java/com/example/projecto/adapters/SuggestedAdapters.java

@@ -13,56 +13,80 @@
 
 import com.bumptech.glide.Glide;
 import com.example.projecto.R;
-import com.example.projecto.activities.DetailActivity;
 import com.example.projecto.activities.DetailActivity2;
 import com.example.projecto.models.SuggestedModel;
 
 import java.util.List;
-import java.util.zip.Inflater;
 
+/**
+ * Adapter class for displaying suggested products in a RecyclerView.
+ * This class adapts SuggestedModel data into viewable items, implementing the Adapter design pattern.
+ */
 public class SuggestedAdapters extends RecyclerView.Adapter<SuggestedAdapters.ViewHolder>{
 
     private Context context;
     private List<SuggestedModel> suggestedModelList;
 
+    /**
+     * Constructs the SuggestedAdapters instance.
+     * @param context The current context.
+     * @param suggestedModelList The data model list of suggested products.
+     */
     public SuggestedAdapters(Context context, List<SuggestedModel> suggestedModelList) {
         this.context = context;
         this.suggestedModelList = suggestedModelList;
     }
 
+    /**
+     * Inflates the layout for each item of the RecyclerView.
+     * @param parent The ViewGroup into which the new view will be added after it is bound to an adapter position.
+     * @param viewType The view type of the new view.
+     * @return A new ViewHolder that holds the View for each item.
+     */
     @NonNull
     @Override
     public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        return new ViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.suggested_item,parent,false));
+        View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.suggested_item, parent, false);
+        return new ViewHolder(itemView);
     }
 
+    /**
+     * Binds the data to the ViewHolder in each position of the RecyclerView.
+     * @param holder The ViewHolder which should be updated to represent the contents of the item at the given position in the data set.
+     * @param position The position of the item within the adapter's data set.
+     */
     @Override
     public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
-        Glide.with(context).load(suggestedModelList.get(position).getImg_url()).into(holder.sugImg);
-        holder.name.setText(suggestedModelList.get(position).getName());
-        holder.description.setText(suggestedModelList.get(position).getDescription());
-        holder.gname.setText(suggestedModelList.get(position).getGname());
-        holder.discount.setText(suggestedModelList.get(position).getDiscount());
+        SuggestedModel model = suggestedModelList.get(position);
+        Glide.with(context).load(model.getImg_url()).into(holder.sugImg);
+        holder.name.setText(model.getName());
+        holder.description.setText(model.getDescription());
+        holder.gname.setText(model.getGname());
+        holder.discount.setText(model.getDiscount());
 
-        holder.itemView.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                Intent intent = new Intent(context, DetailActivity2.class);
-                intent.putExtra("detail", suggestedModelList.get(holder.getAdapterPosition()));
-                context.startActivity(intent);
-            }
+        holder.itemView.setOnClickListener(v -> {
+            Intent intent = new Intent(context, DetailActivity2.class);
+            intent.putExtra("detail", model);
+            context.startActivity(intent);
         });
     }
 
+    /**
+     * Returns the total number of items in the data set held by the adapter.
+     * @return The total number of items in this adapter.
+     */
     @Override
     public int getItemCount() {
         return suggestedModelList.size();
     }
 
+    /**
+     * Provides a reference to the type of views that you are using (custom ViewHolder).
+     */
     public class ViewHolder extends RecyclerView.ViewHolder {
-
         ImageView sugImg;
-        TextView name,description,gname,discount;
+        TextView name, description, gname, discount;
+
         public ViewHolder(@NonNull View itemView) {
             super(itemView);
             sugImg = itemView.findViewById(R.id.sug_img);

app/src/main/java/com/example/projecto/adapters/ViewAllAdapters.java

@@ -14,63 +14,87 @@
 import com.bumptech.glide.Glide;
 import com.example.projecto.R;
 import com.example.projecto.activities.DetailActivity;
-import com.example.projecto.activities.ViewAllActivity;
 import com.example.projecto.models.ViewAllModel;
 
 import java.io.Serializable;
 import java.util.List;
 
+/**
+ * Adapter class for managing the display of all products in a RecyclerView.
+ * This adapter bridges the data in ViewAllModel with the view representation in the RecyclerView.
+ */
 public class ViewAllAdapters extends RecyclerView.Adapter<ViewAllAdapters.ViewHolder> {
-    Context context;
-    List<ViewAllModel> viewAllModelList;
+    private Context context;
+    private List<ViewAllModel> viewAllModelList;
 
+    /**
+     * Constructor for ViewAllAdapters.
+     * @param context The current context.
+     * @param viewAllModelList The list of all product models to be displayed.
+     */
     public ViewAllAdapters(Context context, List<ViewAllModel> viewAllModelList) {
         this.context = context;
         this.viewAllModelList = viewAllModelList;
     }
 
+    /**
+     * Inflates the view for each product item.
+     * @param parent The ViewGroup into which the new View will be added after it is bound to an adapter position.
+     * @param viewType The view type of the new View.
+     * @return A new ViewHolder that holds the View for each product item.
+     */
     @NonNull
     @Override
-    public ViewAllAdapters.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        return new ViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.viewall_item,parent,false));
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.viewall_item, parent, false);
+        return new ViewHolder(itemView);
     }
 
+    /**
+     * Binds data to the view holder at the specified position in the RecyclerView.
+     * @param holder The ViewHolder which should be updated to represent the contents of the item at the given position in the data set.
+     * @param position The position of the item within the adapter's data set.
+     */
     @Override
-    public void onBindViewHolder(@NonNull ViewAllAdapters.ViewHolder holder, int position) {
-        Glide.with(context).load(viewAllModelList.get(position).getImg_url()).into(holder.imageView);
-        holder.name.setText(viewAllModelList.get(position).getName());
-        holder.gname.setText(viewAllModelList.get(position).getGname());
-        holder.price.setText(viewAllModelList.get(position).getPrice()+" Taka");
-        holder.discount.setText(viewAllModelList.get(position).getDiscount());
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        ViewAllModel model = viewAllModelList.get(position);
+        Glide.with(context).load(model.getImg_url()).into(holder.imageView);
+        holder.name.setText(model.getName());
+        holder.gname.setText(model.getGname());
+        holder.price.setText(model.getPrice() + " Taka");
+        holder.discount.setText(model.getDiscount());
 
-        holder.itemView.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                Intent intent = new Intent(context, DetailActivity.class);
-                intent.putExtra("detail", (Serializable)viewAllModelList.get(holder.getAdapterPosition()));
-                context.startActivity(intent);
-            }
+        holder.itemView.setOnClickListener(v -> {
+            Intent intent = new Intent(context, DetailActivity.class);
+            intent.putExtra("detail", (Serializable) model);
+            context.startActivity(intent);
         });
-
     }
 
+    /**
+     * Returns the total number of items in the data set held by the adapter.
+     * @return The total number of items in this adapter.
+     */
     @Override
     public int getItemCount() {
         return viewAllModelList.size();
     }
 
+    /**
+     * Provides a reference to the type of views that you are using (custom ViewHolder).
+     */
     public class ViewHolder extends RecyclerView.ViewHolder {
-
         ImageView imageView;
         TextView name, price, gname, discount;
+
         public ViewHolder(@NonNull View itemView) {
             super(itemView);
 
             imageView = itemView.findViewById(R.id.item_img);
             name = itemView.findViewById(R.id.item_name);
             gname = itemView.findViewById(R.id.item_gname);
-            discount = itemView.findViewById(R.id.item_discount);
             price = itemView.findViewById(R.id.item_price);
+            discount = itemView.findViewById(R.id.item_discount);
         }
     }
 }