added a LayoutManager to fragment_shoppinglist_shoplist.xml

added a ShoppinglistShoplistAdapter.kt for the shoplist RecyclerView
added a data class for the ShoppinglistShoplistAdapter.kt
modified the layout of the fragment_shoppinglist_shoplist_item.xml
refactored the ShoplistFragment.kt
added samplecode for the RecyclerView to the ShoplistFragment.kt

app/src/main/java/de/chrissthecoder/store/adapter/ShoppinglistShoplistAdapter.kt

@@ -0,0 +1,43 @@
+package de.chrissthecoder.store.adapter
+
+import android.util.Log
+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 de.chrissthecoder.store.R
+import de.chrissthecoder.store.dataclass.ShoppinglistShoplistItem
+
+class ShoppinglistShoplistAdapter(val shoplist: List<ShoppinglistShoplistItem>) : RecyclerView.Adapter<ShoppinglistShoplistAdapter.ItemViewHolder>() {
+    inner class ItemViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+        val shoplabel: TextView
+        val shopicon: ImageView
+        val shoppinglistCount: TextView
+
+        init {
+            Log.d(this.javaClass.name,"Get necessary Views")
+            shoplabel = view.findViewById(R.id.shoplabel)
+            shopicon = view.findViewById(R.id.shopicon)
+            shoppinglistCount = view.findViewById(R.id.shoppinglistCount)
+        }
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ItemViewHolder {
+        Log.d(this.javaClass.name, "Create new views (invoked by the layout manager)")
+        val view = LayoutInflater.from(parent.context).inflate(R.layout.fragment_shoppinglist_shoplist_item, parent, false)
+        return ItemViewHolder(view)
+    }
+
+    override fun onBindViewHolder(holder: ShoppinglistShoplistAdapter.ItemViewHolder, position: Int) {
+        Log.d(this.javaClass.name,"Replace the contents of a view (invoked by the layout manager)")
+        holder.shoplabel.text = shoplist[position].shoplabel
+        holder.shoppinglistCount.text = "(" + shoplist[position].shoppinglistCount + ")"
+    }
+
+    override fun getItemCount(): Int {
+        Log.d(this.javaClass.name, "Return the size of your dataset (invoked by the layout manager)")
+        return shoplist.size
+    }
+}

app/src/main/java/de/chrissthecoder/store/dataclass/ShoppinglistShoplistItem.kt

@@ -0,0 +1,3 @@
+package de.chrissthecoder.store.dataclass
+
+data class ShoppinglistShoplistItem(val shoplabel: String, val iconID: Int, val shoppinglistCount: Int)

app/src/main/java/de/chrissthecoder/store/ui/dashboard/tabfragment/shoppinglist/ShoplistFragment.kt

@@ -5,18 +5,29 @@ import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import de.chrissthecoder.store.R
+import de.chrissthecoder.store.adapter.ShoppinglistShoplistAdapter
+import de.chrissthecoder.store.databinding.FragmentShoppinglistShoplistBinding
+import de.chrissthecoder.store.dataclass.ShoppinglistShoplistItem
 
 /**
  * A [Fragment] subclass to list all shops that contains assigned shoppinglists.
  */
 class ShoplistFragment : Fragment() {
 
-    override fun onCreateView(
-        inflater: LayoutInflater, container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? {
-        // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_shoppinglist_shoplist, container, false)
+    private var _binding: FragmentShoppinglistShoplistBinding? = null
+    private val binding get() = _binding!!
+
+    private lateinit var adapter: ShoppinglistShoplistAdapter
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        _binding = FragmentShoppinglistShoplistBinding.inflate(inflater, container, false)
+
+        val shoplist = ArrayList<ShoppinglistShoplistItem>()
+
+        val shoplistRecyclerView = binding.shoplist
+        adapter = ShoppinglistShoplistAdapter(shoplist)
+        shoplistRecyclerView.adapter = adapter
+
+        return binding.root
     }
 }

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

@@ -6,14 +6,14 @@
     android:layout_height="match_parent"
     tools:context=".ui.dashboard.tabfragment.shoppinglist.ShoplistFragment">
 
-    <TextView
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/shoplist"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Einkaufszettel"
-        android:textAlignment="center"
-        android:textSize="32sp"
+        android:layout_height="match_parent"
         app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.5" />
-
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"/>
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="15dp"
+        android:layout_marginTop="10dp"
+        android:layout_marginEnd="15dp"
+        app:cardBackgroundColor="@color/cardview_background"
+        app:cardCornerRadius="20dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <TextView
+                android:id="@+id/shoplabel"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:padding="20dp"
+                android:textAlignment="center"
+                android:textColor="@color/cardview_textcolor"
+                android:textSize="24sp"
+                android:textStyle="bold"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintVertical_bias="0.5" />
+
+            <ImageView
+                android:id="@+id/shopicon"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="100dp"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="@+id/shoppinglistCount"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintVertical_bias="0.5"
+                app:srcCompat="@android:drawable/toast_frame" />
+
+            <TextView
+                android:id="@+id/shoppinglistCount"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:padding="20dp"
+                android:textAlignment="center"
+                android:textColor="@color/cardview_textcolor"
+                android:textSize="24sp"
+                android:textStyle="bold"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintVertical_bias="0.5" />
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+    </androidx.cardview.widget.CardView>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/colors.xml

@@ -7,4 +7,7 @@
     <color name="teal_700">#FF018786</color>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
+
+    <color name="cardview_background">#444444</color>
+    <color name="cardview_textcolor">#FFFFFF</color>
 </resources>