Agregado a productlist el total del cart

app/src/main/java/com/cesanelli/lajusta/ui/CartRecyclerViewAdapter.java

 package com.cesanelli.lajusta.ui;
 
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.util.Base64;
 import android.view.LayoutInflater;
-import android.view.View;
 import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.TextView;
 
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.cesanelli.lajusta.R;
 import com.cesanelli.lajusta.databinding.FragmentCartBinding;
-import com.cesanelli.lajusta.databinding.FragmentProductsBinding;
 import com.cesanelli.lajusta.io.models.Cart;
 import com.cesanelli.lajusta.io.models.CartItem;
-import com.cesanelli.lajusta.io.models.Product;
-
-import java.util.ArrayList;
 
 
 public class CartRecyclerViewAdapter extends RecyclerView.Adapter<CartRecyclerViewAdapter.ViewHolder> {

app/src/main/java/com/cesanelli/lajusta/ui/ProductsFragment.java

 package com.cesanelli.lajusta.ui;
 
-import android.content.Context;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -16,7 +15,7 @@ import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.cesanelli.lajusta.R;
-import com.cesanelli.lajusta.io.ApiAdapter;
+import com.cesanelli.lajusta.databinding.FragmentProductsListBinding;
 import com.cesanelli.lajusta.io.models.Product;
 import com.cesanelli.lajusta.ui.viewmodel.CartViewModel;
 import com.cesanelli.lajusta.ui.viewmodel.ProductListViewModel;
@@ -24,14 +23,11 @@ import com.cesanelli.lajusta.ui.viewmodel.ProductViewModel;
 
 import java.util.ArrayList;
 
-import retrofit2.Call;
-import retrofit2.Callback;
-import retrofit2.Response;
-
 public class ProductsFragment extends Fragment implements ProductsRecyclerViewAdapter.OnProductListener {
     private ProductViewModel productViewModel;
     private ProductListViewModel productListViewModel;
     private CartViewModel cartViewModel;
+    private FragmentProductsListBinding fragmentProductsListBinding;
 
     public ProductsFragment() {
     }
@@ -49,8 +45,9 @@ public class ProductsFragment extends Fragment implements ProductsRecyclerViewAd
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.fragment_products_list, container, false);
-        return view;
+        LayoutInflater layoutInflater = LayoutInflater.from(getContext());
+        fragmentProductsListBinding = FragmentProductsListBinding.inflate(layoutInflater, container, false);
+        return fragmentProductsListBinding.getRoot();
     }
 
     @Override
@@ -58,10 +55,15 @@ public class ProductsFragment extends Fragment implements ProductsRecyclerViewAd
         super.onViewCreated(view, savedInstanceState);
         productViewModel = new ViewModelProvider(getActivity()).get(ProductViewModel.class);
         cartViewModel = new ViewModelProvider(getActivity()).get(CartViewModel.class);
+        cartViewModel.getCart().observe(getViewLifecycleOwner(), cart -> {
+            if (cart != null) {
+                fragmentProductsListBinding.setCart(cart);
+            }
+        });
         productListViewModel = new ViewModelProvider(getActivity()).get(ProductListViewModel.class);
         productListViewModel.getProductList().observe(getViewLifecycleOwner(), list -> {
             if (list != null) {
-                RecyclerView recyclerView = (RecyclerView) view;
+                RecyclerView recyclerView = (RecyclerView) view.findViewById(R.id.listProducts);
                 recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
                 recyclerView.setAdapter(new ProductsRecyclerViewAdapter((ArrayList<Product>) list, this));
             }

app/src/main/res/layout/fragment_products_list.xml

 <?xml version="1.0" encoding="utf-8"?>
-<androidx.recyclerview.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/listProducts"
-    android:name="com.cesanelli.lajusta.ProductsFragment"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:layout_marginLeft="16dp"
-    android:layout_marginRight="16dp"
-    app:layoutManager="LinearLayoutManager"
-    tools:context=".ui.ProductsFragment"
-    tools:listitem="@layout/fragment_products" />
\ No newline at end of file
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <data>
+
+        <variable
+            name="cart"
+            type="com.cesanelli.lajusta.io.models.Cart" />
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/frameLayout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context=".ui.CartFragment">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/listProducts"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_marginStart="20dp"
+            android:layout_marginTop="20dp"
+            android:layout_marginEnd="20dp"
+            android:layout_marginBottom="15dp"
+            app:layout_constraintBottom_toTopOf="@+id/totalLayout"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:context=".ui.ProductsFragment"
+            tools:listitem="@layout/fragment_products" />
+
+        <LinearLayout
+            android:id="@+id/totalLayout"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:layout_marginBottom="40dp"
+            android:orientation="horizontal"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/listProducts">
+
+            <TextView
+                android:id="@+id/titleQuantity"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:padding="10dp"
+                android:text="Cantidad" />
+
+            <TextView
+                android:id="@+id/txtQuantity"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:padding="10dp"
+                android:text="@{String.valueOf(cart.quantity)}" />
+
+            <TextView
+                android:id="@+id/titleTotal"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:padding="10dp"
+                android:text="Total $" />
+
+            <TextView
+                android:id="@+id/txtTotal"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:padding="10dp"
+                android:text="@{String.valueOf(cart.total)}" />
+        </LinearLayout>
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
\ No newline at end of file