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app/src/main/java/com/example/pap_teste/RestaurantAdapter.java

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+package com.example.pap_teste;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageButton;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.pap_teste.models.Restaurant;
+
+import java.util.List;
+
+public class RestaurantAdapter extends RecyclerView.Adapter<RestaurantAdapter.ViewHolder> {
+
+    public interface OnRestaurantClickListener {
+        void onRestaurantClick(Restaurant restaurant);
+    }
+
+    private final List<Restaurant> restaurants;
+    private final OnRestaurantClickListener listener;
+
+    public RestaurantAdapter(List<Restaurant> restaurants, OnRestaurantClickListener listener) {
+        this.restaurants = restaurants;
+        this.listener = listener;
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_restaurant, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        Restaurant restaurant = restaurants.get(position);
+        holder.txtName.setText(restaurant.getName());
+        holder.txtCategory.setText(restaurant.getCategory());
+
+        updateFavoriteIcon(holder.btnFavorite, restaurant.isFavorite());
+
+        holder.btnFavorite.setOnClickListener(v -> {
+            restaurant.setFavorite(!restaurant.isFavorite());
+            updateFavoriteIcon(holder.btnFavorite, restaurant.isFavorite());
+        });
+
+        holder.itemView.setOnClickListener(v -> {
+            if (listener != null) {
+                listener.onRestaurantClick(restaurant);
+            }
+        });
+    }
+
+    private void updateFavoriteIcon(ImageButton btn, boolean isFavorite) {
+        if (isFavorite) {
+            btn.setImageResource(android.R.drawable.btn_star_big_on);
+        } else {
+            btn.setImageResource(android.R.drawable.btn_star_big_off);
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return restaurants.size();
+    }
+
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        TextView txtName, txtCategory;
+        ImageButton btnFavorite;
+
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+            txtName = itemView.findViewById(R.id.txtRestaurantName);
+            txtCategory = itemView.findViewById(R.id.txtRestaurantCategory);
+            btnFavorite = itemView.findViewById(R.id.btnFavorite);
+        }
+    }
+}