added productView and things around

app/src/main/java/org/foxarmy/barcodescannerforemployees/DBStorageController.kt

@@ -1,11 +1,13 @@
 package org.foxarmy.barcodescannerforemployees
 
+import android.content.ContentValues
 import android.content.Context
 import android.database.DatabaseUtils
 import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteOpenHelper
 import android.provider.BaseColumns
 import org.foxarmy.barcodescannerforemployees.dataclasses.AbstractProduct
+import org.foxarmy.barcodescannerforemployees.dataclasses.Product
 import java.io.File
 
 object AbstractProductContract {
@@ -166,6 +168,17 @@ class DBStorageController(context: Context) : SQLiteOpenHelper(context, DATABASE
         db.delete(AbstractProductContract.AbstractProductEntry.TABLE_NAME, BaseColumns._ID + "=" + id, null)
     }
 
+    fun insertNewProduct(db: SQLiteDatabase, product: Product) {
+        val values = ContentValues().apply {
+            put(ProductContract.ProductEntry.ABSTRACT_PRODUCT_ID, product.abstractProductId)
+            put(ProductContract.ProductEntry.AMOUNT, product.amount)
+            put(ProductContract.ProductEntry.DATE_OF_PRODUCTION, product.dateOfProduction)
+            put(ProductContract.ProductEntry.EXPIRY_DATE, product.dateOfExpiry)
+        }
+
+        db.insert(ProductContract.ProductEntry.TABLE_NAME, null, values)
+    }
+
     fun findAbstractProductByBarcode (db: SQLiteDatabase, barcode: String) : AbstractProduct? {
         var abstractProduct: AbstractProduct? = null
         val projection = arrayOf(
@@ -196,6 +209,38 @@ class DBStorageController(context: Context) : SQLiteOpenHelper(context, DATABASE
         return abstractProduct
     }
 
+    fun findAbstractProductById(db: SQLiteDatabase, id: Int): AbstractProduct? {
+        var abstractProduct: AbstractProduct? = null
+        val projection = arrayOf(
+            BaseColumns._ID,
+            AbstractProductContract.AbstractProductEntry.PRODUCT_NAME,
+            AbstractProductContract.AbstractProductEntry.PRODUCT_NET_WEIGHT,
+            AbstractProductContract.AbstractProductEntry.IMAGE_FILENAME,
+            AbstractProductContract.AbstractProductEntry.CATEGORY,
+            AbstractProductContract.AbstractProductEntry.BARCODE
+        )
+
+        val selection = "${BaseColumns._ID} = ?"
+        val selectionArgs = arrayOf(id.toString())
+
+        val cursor = db.query(AbstractProductContract.AbstractProductEntry.TABLE_NAME, projection, selection, selectionArgs, null, null, null)
+
+        with (cursor) {
+            while (moveToNext()) {
+                val productId = getInt(getColumnIndexOrThrow(BaseColumns._ID))
+                val barcode = getString(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.BARCODE))
+                val name = getString(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.PRODUCT_NAME))
+                val netWeight = getDouble(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.PRODUCT_NET_WEIGHT))
+                val imageHash = getString((getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.IMAGE_FILENAME)))
+                val category = getInt(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.CATEGORY))
+
+                abstractProduct = AbstractProduct(productId, barcode, name, netWeight, imageHash, category)
+            }
+        }
+
+        return abstractProduct
+    }
+
     companion object {
         const val DATABASE_VERSION = 1
         const val DATABASE_NAME = "database.db"

app/src/main/java/org/foxarmy/barcodescannerforemployees/activities/AddProductActivity.kt

@@ -1,19 +1,40 @@
 package org.foxarmy.barcodescannerforemployees.activities
 
+import android.app.DatePickerDialog
 import android.os.Bundle
-import android.widget.Button
-import android.widget.Toast
+import android.view.View
+import android.widget.*
 import androidx.appcompat.app.AppCompatActivity
 import com.google.mlkit.vision.codescanner.GmsBarcodeScanning
 import org.foxarmy.barcodescannerforemployees.DBStorageController
 import org.foxarmy.barcodescannerforemployees.R
 import org.foxarmy.barcodescannerforemployees.dataclasses.Product
 import org.foxarmy.barcodescannerforemployees.views.AbstractProductView
+import java.util.*
 
 class AddProductActivity : AppCompatActivity() {
 
     private lateinit var scanButton: Button
     private lateinit var abstractProductView: AbstractProductView
+    private lateinit var expiryDateRadioButton: RadioButton
+    private lateinit var shelfLifeRadioButton: RadioButton
+
+    private lateinit var expiryDateTextView: TextView
+    private lateinit var expiryDateSelectButton: Button
+
+    private lateinit var shelfLifeTextView: TextView
+    private lateinit var shelfLifeTextEdit: EditText
+
+    private lateinit var amountTextEdit: EditText
+
+    private lateinit var dateOfProductionSelectButton: Button
+    private lateinit var saveProductButton: Button
+
+    private var expiryDateOverShelfLife: Boolean? = null
+    private var dateOfProduction: String = ""
+    private var dateOfExpiry: String = ""
+
+    private var barcode: String = ""
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -21,27 +42,139 @@ class AddProductActivity : AppCompatActivity() {
         setContentView(R.layout.fragment_add_product)
 
         val extras = intent.extras
-        val product = extras!!.get("product") as Product?
+        var product = extras!!.get("product") as Product?
 
 
         scanButton = findViewById(R.id.scanButton)
         abstractProductView = findViewById(R.id.abstractProductView)
-        /*
-        scanButton = findViewById(R.id.scanButton)
-        abstractProductView = AbstractProductView(this, this, AbstractProduct())
-        findViewById<ConstraintLayout>(R.id.addProductConstraintLayout).addView(abstractProductView)
-         */
+        expiryDateRadioButton = findViewById(R.id.expiryDateRadio)
+        shelfLifeRadioButton = findViewById(R.id.shelfLifeRadio)
+
+        expiryDateTextView = findViewById(R.id.expiryDateTextView)
+        expiryDateSelectButton = findViewById(R.id.selectExpiryDateButton)
+
+        shelfLifeTextView = findViewById(R.id.shelfLife)
+        shelfLifeTextEdit = findViewById(R.id.shelfLifeTextEdit)
+
+        amountTextEdit = findViewById(R.id.amountTextEdit)
+
+        dateOfProductionSelectButton = findViewById(R.id.selectDateOfProductionButton)
+        saveProductButton = findViewById(R.id.saveProductButton)
 
         scanButton.setOnClickListener {
             val scanner = GmsBarcodeScanning.getClient(this)
             scanner.startScan()
-                .addOnSuccessListener { barcode ->
-                    findAndDisplayAbstractProductByBarcode(barcode.rawValue.toString())
+                .addOnSuccessListener { bc ->
+                    barcode = bc.rawValue.toString()
+                    findAndDisplayAbstractProductByBarcode(barcode)
                 }
                 .addOnFailureListener {
                     Toast.makeText(this, "Cannot scan barcode", Toast.LENGTH_SHORT).show()
                 }
         }
+
+        expiryDateRadioButton.setOnClickListener {
+            expiryDateTextView.visibility = View.VISIBLE
+            expiryDateSelectButton.visibility = View.VISIBLE
+
+            shelfLifeTextEdit.visibility = View.INVISIBLE
+            shelfLifeTextView.visibility = View.INVISIBLE
+
+            expiryDateOverShelfLife = true
+        }
+
+        shelfLifeRadioButton.setOnClickListener {
+            expiryDateTextView.visibility = View.INVISIBLE
+            expiryDateSelectButton.visibility = View.INVISIBLE
+
+            shelfLifeTextEdit.visibility = View.VISIBLE
+            shelfLifeTextView.visibility = View.VISIBLE
+
+            expiryDateOverShelfLife = false
+        }
+
+//        shelfLifeTextEdit.addTextChangedListener {
+//            if (shelfLifeTextEdit.text.toString() == "") {
+//                return@addTextChangedListener
+//            }
+//
+//            evaluateDateOfExpiry()
+//        }
+
+        dateOfProductionSelectButton.setOnClickListener {
+            val c = Calendar.getInstance()
+            val year = c.get(Calendar.YEAR)
+            val month = c.get(Calendar.MONTH)
+            val day = c.get(Calendar.DAY_OF_MONTH)
+
+            val dpd = DatePickerDialog(this, { _, y, m, d ->
+                dateOfProduction = "$d.${m+1}.$y"
+                findViewById<TextView>(R.id.dateOfProductionTextView).text = "Date of production: $dateOfProduction"
+            }, year, month, day)
+
+            dpd.show()
+        }
+
+        expiryDateSelectButton.setOnClickListener {
+            val c = Calendar.getInstance()
+            val year = c.get(Calendar.YEAR)
+            val month = c.get(Calendar.MONTH)
+            val day = c.get(Calendar.DAY_OF_MONTH)
+
+            val dpd = DatePickerDialog(this, { view, y, m, d ->
+                dateOfExpiry = "$d.${m+1}.$y"
+                expiryDateTextView.text = "Expiry date: $dateOfExpiry"
+            }, year, month, day)
+
+            dpd.show()
+        }
+
+        saveProductButton.setOnClickListener {
+            if (expiryDateOverShelfLife == null) {
+                Toast.makeText(this, "Please, choose and fill in shelf life or expiry date.", Toast.LENGTH_SHORT).show()
+                return@setOnClickListener
+            }
+            if (dateOfProduction == "") {
+                Toast.makeText(this, "Please, choose date of production.", Toast.LENGTH_SHORT).show()
+                return@setOnClickListener
+            }
+
+            if (!expiryDateOverShelfLife!!) {
+                if (shelfLifeTextEdit.text.toString() != "") {
+                    evaluateDateOfExpiry(shelfLifeTextEdit.text.toString().toInt())
+                }
+            } else {
+                if (dateOfExpiry == "") {
+                    Toast.makeText(this, "Please, choose date of expiry.", Toast.LENGTH_SHORT).show()
+                    return@setOnClickListener
+                }
+            }
+
+            if (amountTextEdit.text.toString() == "") {
+                Toast.makeText(this, "Please, specify an amount of product.", Toast.LENGTH_SHORT).show()
+                return@setOnClickListener
+            }
+
+            val abstractProduct = DBStorageController(this).findAbstractProductByBarcode(DBStorageController(this).readableDatabase, barcode)
+            product = Product(0, abstractProduct!!.id, amountTextEdit.text.toString().toInt(), dateOfProduction, dateOfExpiry)
+
+            DBStorageController(this).insertNewProduct(DBStorageController(this).writableDatabase, product!!)
+            finish()
+        }
+    }
+
+    fun evaluateDateOfExpiry(shelfLifeMonths: Int) {
+        if (dateOfProduction == "" ) {
+            return
+        }
+        val c = Calendar.getInstance()
+        val dateOfProductionSplit = dateOfProduction.split(".")
+        c.set(Calendar.YEAR, dateOfProductionSplit[0].toInt())
+        c.set(Calendar.MONTH, dateOfProductionSplit[1].toInt())
+        c.set(Calendar.DAY_OF_MONTH, dateOfProductionSplit[2].toInt())
+
+        c.add(Calendar.MONTH, shelfLifeMonths)
+        dateOfExpiry = "${c.get(Calendar.YEAR)}.${c.get(Calendar.MONTH)}.${c.get(Calendar.DAY_OF_MONTH)}"
     }
 
     fun findAndDisplayAbstractProductByBarcode(barcode: String) {

app/src/main/java/org/foxarmy/barcodescannerforemployees/dataclasses/Product.kt

@@ -4,23 +4,34 @@ import android.os.Parcel
 import android.os.Parcelable
 
 class Product() : Parcelable {
+    var id = 0
     var abstractProductId = 0
     var amount = 0
+    var dateOfProduction = "01.01.1970"
+    var dateOfExpiry = "01.01.1970"
 
-
-    constructor(abstractProductId: Int, amount: Int) : this() {
+    constructor(id: Int, abstractProductId: Int, amount: Int, dateOfProduction: String, dateOfExpiry: String) : this() {
+        this.id = id
         this.abstractProductId = abstractProductId
         this.amount = amount
+        this.dateOfProduction = dateOfProduction
+        this.dateOfExpiry = dateOfExpiry
     }
 
     constructor(parcel: Parcel) : this() {
+        id = parcel.readInt()
         abstractProductId = parcel.readInt()
         amount = parcel.readInt()
+        dateOfProduction = parcel.readString()!!
+        dateOfExpiry = parcel.readString()!!
     }
 
     override fun writeToParcel(parcel: Parcel, flags: Int) {
+        parcel.writeInt(id)
         parcel.writeInt(abstractProductId)
         parcel.writeInt(amount)
+        parcel.writeString(dateOfProduction)
+        parcel.writeString(dateOfExpiry)
     }
 
     override fun describeContents(): Int {
@@ -36,5 +47,4 @@ class Product() : Parcelable {
             return arrayOfNulls(size)
         }
     }
-
 }

app/src/main/java/org/foxarmy/barcodescannerforemployees/fragments/ShelfFragment.kt

@@ -1,17 +1,71 @@
 package org.foxarmy.barcodescannerforemployees.fragments
 
 import android.os.Bundle
+import android.provider.BaseColumns
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
+import androidx.gridlayout.widget.GridLayout
+import org.foxarmy.barcodescannerforemployees.DBStorageController
+import org.foxarmy.barcodescannerforemployees.ProductContract
 import org.foxarmy.barcodescannerforemployees.R
+import org.foxarmy.barcodescannerforemployees.dataclasses.Product
+import org.foxarmy.barcodescannerforemployees.views.ProductView
 
 class ShelfFragment : Fragment() {
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
+
         return inflater.inflate(R.layout.fragment_shelf, container, false)
     }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        updateContent()
+    }
+
+    override fun onResume() {
+        super.onResume()
+
+        updateContent()
+    }
+
+    fun updateContent() {
+        val grv = view?.findViewById<GridLayout>(R.id.contentGridLayout)
+        grv?.removeAllViews()
+
+        val db = DBStorageController(requireContext()).readableDatabase
+        val projection = arrayOf(
+            BaseColumns._ID,
+            ProductContract.ProductEntry.ABSTRACT_PRODUCT_ID,
+            ProductContract.ProductEntry.AMOUNT,
+            ProductContract.ProductEntry.DATE_OF_PRODUCTION,
+            ProductContract.ProductEntry.EXPIRY_DATE,
+        )
+
+        val cursor = db.query(ProductContract.ProductEntry.TABLE_NAME, projection, null, null, null, null, null)
+
+        with (cursor) {
+            while(moveToNext()) {
+                val productId = getInt(getColumnIndexOrThrow(BaseColumns._ID))
+                val abstractProductId = getInt(getColumnIndexOrThrow(ProductContract.ProductEntry.ABSTRACT_PRODUCT_ID))
+                val amount = getInt(getColumnIndexOrThrow(ProductContract.ProductEntry.AMOUNT))
+                val dateOfProduction = getString(getColumnIndexOrThrow(ProductContract.ProductEntry.DATE_OF_PRODUCTION))
+                val dateOfExpiry = getString(getColumnIndexOrThrow(ProductContract.ProductEntry.EXPIRY_DATE))
+
+                val product = Product(productId, abstractProductId, amount, dateOfProduction, dateOfExpiry)
+
+                val productView = ProductView(
+                    requireActivity(),
+                    requireContext(),
+                    product
+                )
+                grv?.addView(productView)
+            }
+        }
+    }
 }

app/src/main/java/org/foxarmy/barcodescannerforemployees/views/ProductView.kt

@@ -0,0 +1,78 @@
+package org.foxarmy.barcodescannerforemployees.views
+
+import android.app.Activity
+import android.content.Context
+import android.util.AttributeSet
+import android.view.LayoutInflater
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.TextView
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.content.ContextCompat
+import org.foxarmy.barcodescannerforemployees.DBStorageController
+import org.foxarmy.barcodescannerforemployees.R
+import org.foxarmy.barcodescannerforemployees.dataclasses.AbstractProduct
+import org.foxarmy.barcodescannerforemployees.dataclasses.Product
+import org.foxarmy.barcodescannerforemployees.getActivity
+import org.foxarmy.barcodescannerforemployees.getImageUri
+import java.io.File
+
+class ProductView: LinearLayout {
+    var product: Product = Product()
+    var isProductSelected = false
+    private lateinit var activity: Activity
+
+    private lateinit var productImageView: ImageView
+    private lateinit var productNameTextView: TextView
+    private lateinit var productNetWeightTextView: TextView
+    private lateinit var productAmountTextView: TextView
+    private lateinit var productCategoryView: TextView
+    private lateinit var productLifeSpan: TextView
+
+    constructor(context: Context, a: AttributeSet) : super(context, a) {
+        activity = getActivity(context)!!
+        val inflater: LayoutInflater = activity.layoutInflater
+        inflater.inflate(R.layout.product_view, this)
+    }
+
+    constructor(activity: Activity, context: Context, product: Product) : super(context) {
+        this.product = product
+        this.activity = activity
+        val inflater: LayoutInflater = activity.layoutInflater
+        inflater.inflate(R.layout.product_view, this)
+
+        productImageView = findViewById(R.id.productPicture)
+        productNameTextView = findViewById(R.id.productNameView)
+        productNetWeightTextView = findViewById(R.id.productNetWeightView)
+        productAmountTextView = findViewById(R.id.amountView)
+        productCategoryView = findViewById(R.id.categoryView)
+        productLifeSpan = findViewById(R.id.dateSpan)
+
+        update()
+    }
+
+    fun update () {
+        val linkedAbstractProduct: AbstractProduct = DBStorageController(activity).findAbstractProductById(DBStorageController(activity).readableDatabase, product.abstractProductId)!!
+
+        val picturesDir = File(activity.filesDir, "pictures")
+        picturesDir.mkdirs()
+        val pictureFile = File(picturesDir, "${linkedAbstractProduct.imageHash}.png")
+        val imageUri = getImageUri(activity, pictureFile)
+        productImageView.setImageURI(imageUri)
+
+        productNameTextView.text = linkedAbstractProduct.name
+        productNetWeightTextView.text = linkedAbstractProduct.netWeight.toString()
+        productAmountTextView.text = product.amount.toString()
+        productCategoryView.text = DBStorageController(activity).getCategoryNameById(DBStorageController(activity).readableDatabase, linkedAbstractProduct.category)
+        productLifeSpan.text = "${product.dateOfProduction}-${product.dateOfExpiry}"
+
+        this.background = ContextCompat.getDrawable(context, if (isProductSelected) R.drawable.outline_selected else R.drawable.outline)
+        
+
+        findViewById<ConstraintLayout>(R.id.productLayout).setOnLongClickListener {
+            isProductSelected = !isProductSelected
+            this.background = ContextCompat.getDrawable(context, if (isProductSelected) R.drawable.outline_selected else R.drawable.outline)
+            true
+        }
+    }
+}

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

@@ -32,24 +32,72 @@
         <Button
                 android:text="Select"
                 android:layout_width="wrap_content"
-                android:layout_height="wrap_content" android:id="@+id/button2"
+                android:layout_height="wrap_content" android:id="@+id/selectDateOfProductionButton"
                 app:layout_constraintTop_toBottomOf="@+id/scanButton"
                 app:layout_constraintStart_toEndOf="@+id/dateOfProductionTextView"
                 app:layout_constraintEnd_toEndOf="parent"/>
         <RadioGroup
                 android:layout_width="wrap_content"
-                android:layout_height="wrap_content" app:layout_constraintTop_toBottomOf="@+id/button2"
+                android:layout_height="wrap_content" app:layout_constraintTop_toBottomOf="@+id/selectDateOfProductionButton"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintEnd_toEndOf="parent" android:layout_marginTop="16dp"
-                android:orientation="horizontal">
+                android:orientation="horizontal" android:id="@+id/radioGroup">
             <RadioButton
                     android:text="Expiry date"
                     android:layout_width="match_parent"
-                    android:layout_height="wrap_content" android:id="@+id/ExpiryDateRadio"/>
+                    android:layout_height="wrap_content" android:id="@+id/expiryDateRadio"/>
             <RadioButton
-                    android:text="Shell life"
+                    android:text="Shelf life"
                     android:layout_width="match_parent"
-                    android:layout_height="wrap_content" android:id="@+id/shellLifeRadio"/>
+                    android:layout_height="wrap_content" android:id="@+id/shelfLifeRadio"/>
         </RadioGroup>
+        <TextView
+                android:text="Expiry date: "
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" android:id="@+id/expiryDateTextView"
+                app:layout_constraintTop_toBottomOf="@+id/radioGroup" app:layout_constraintStart_toStartOf="parent"
+                android:layout_marginStart="16dp" android:layout_marginTop="16dp" android:visibility="invisible"/>
+        <Button
+                android:text="Select"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" android:id="@+id/selectExpiryDateButton"
+                app:layout_constraintTop_toBottomOf="@+id/radioGroup"
+                app:layout_constraintStart_toEndOf="@+id/expiryDateTextView" android:layout_marginStart="16dp"
+                android:visibility="invisible"/>
+        <TextView
+                android:text="Shelf life:"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" android:id="@+id/shelfLife"
+                app:layout_constraintTop_toBottomOf="@+id/radioGroup"
+                android:layout_marginTop="16dp" app:layout_constraintStart_toStartOf="parent"
+                android:layout_marginStart="16dp" android:visibility="invisible"/>
+        <EditText
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:inputType="numberDecimal"
+                android:ems="10"
+                android:id="@+id/shelfLifeTextEdit" app:layout_constraintTop_toBottomOf="@+id/radioGroup"
+                app:layout_constraintStart_toEndOf="@+id/expiryDateTextView" android:layout_marginStart="16dp"
+                android:visibility="invisible"/>
+        <TextView
+                android:text="Amount"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" android:id="@+id/amountText"
+                app:layout_constraintTop_toBottomOf="@+id/shelfLifeTextEdit"
+                app:layout_constraintStart_toStartOf="parent" android:layout_marginTop="16dp"/>
+        <EditText
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:inputType="numberSigned"
+                android:ems="10"
+                android:id="@+id/amountTextEdit"
+                app:layout_constraintTop_toBottomOf="@+id/selectExpiryDateButton"
+                app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toEndOf="@+id/amountText"/>
+        <Button
+                android:text="@string/saveButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" android:id="@+id/saveProductButton"
+                app:layout_constraintTop_toBottomOf="@+id/amountTextEdit" app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintEnd_toEndOf="parent" android:layout_marginTop="16dp"/>
     </androidx.constraintlayout.widget.ConstraintLayout>
 </androidx.core.widget.NestedScrollView>

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

@@ -1,6 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-             android:layout_width="match_parent"
+             xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent"
              android:layout_height="match_parent">
 
+    <ScrollView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+        <androidx.gridlayout.widget.GridLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" android:id="@+id/contentGridLayout" app:columnCount="2"
+                app:rowCount="100" android:nestedScrollingEnabled="true">
+
+        </androidx.gridlayout.widget.GridLayout>
+    </ScrollView>
 </FrameLayout>

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

@@ -1,7 +1,62 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-              android:orientation="vertical"
-              android:layout_width="match_parent"
-              android:layout_height="match_parent">
+              xmlns:app="http://schemas.android.com/apk/res-auto" android:orientation="vertical"
+              android:layout_width="200dp"
+              android:layout_height="wrap_content">
 
+    <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" android:id="@+id/productLayout" android:outlineProvider="bounds"
+            android:background="#00FFFEFE" android:clickable="true">
+        <ImageView
+                android:layout_width="match_parent"
+                android:layout_height="200dp" app:srcCompat="@android:drawable/ic_menu_gallery"
+                android:id="@+id/productPicture"
+                app:layout_constraintTop_toTopOf="parent" app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"/>
+        <TextView
+                android:text="@string/sample_product_name"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" android:id="@+id/productNameView"
+                app:layout_constraintTop_toBottomOf="@+id/productPicture"
+                android:layout_marginTop="15dp" app:layout_constraintStart_toStartOf="parent"
+                android:fontFamily="monospace" android:textSize="20sp"
+                android:maxLines="2" android:layout_marginStart="10dp"/>
+        <TextView
+                android:text="@string/sample_product_net_weight"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" android:id="@+id/productNetWeightView" android:layout_weight="1"
+                app:layout_constraintTop_toBottomOf="@+id/productNameView"
+                app:layout_constraintStart_toStartOf="parent" android:layout_marginStart="25dp"
+                android:layout_marginTop="10dp" android:textSize="12sp" android:fontFamily="monospace"
+                app:layout_constraintEnd_toStartOf="@+id/unitView" android:layout_marginEnd="2dp"
+        />
+        <TextView
+                android:text="@string/sample_unit"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" android:id="@+id/unitView"
+                app:layout_constraintStart_toEndOf="@+id/productNetWeightView"
+                app:layout_constraintTop_toBottomOf="@+id/productNameView" android:layout_marginTop="10dp"
+                android:fontFamily="monospace" android:textSize="12sp" android:layout_marginStart="8dp"/>
+        <TextView
+                android:text="10"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" android:id="@+id/amountView"
+                app:layout_constraintStart_toEndOf="@+id/unitView"
+                app:layout_constraintTop_toBottomOf="@+id/productNameView" android:layout_marginTop="10dp"
+                android:layout_marginStart="16dp"/>
+        <TextView
+                android:text="@string/sample_category"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" android:id="@+id/categoryView"
+                app:layout_constraintEnd_toEndOf="parent"
+                android:layout_marginEnd="25dp" android:fontFamily="monospace" android:textSize="10sp"
+                app:layout_constraintTop_toBottomOf="@+id/amountView" android:layout_marginTop="5dp"/>
+        <TextView
+                android:text="01.01.1970 - 01.01.1971"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" app:layout_constraintTop_toBottomOf="@+id/categoryView"
+                app:layout_constraintStart_toStartOf="parent"
+                android:layout_marginTop="8dp" app:layout_constraintEnd_toEndOf="parent" android:id="@+id/dateSpan"/>
+    </androidx.constraintlayout.widget.ConstraintLayout>
 </LinearLayout>