first commit

app/.gitignore

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+/build

app/build.gradle.kts

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+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+}
+
+android {
+    namespace = "org.foxarmy.barcodescannerforemployees"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "org.foxarmy.barcodescannerforemployees"
+        minSdk = 24
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    buildFeatures {
+        viewBinding = true
+    }
+}
+var cameraxVersion = "1.0.1"
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.material)
+    implementation(libs.androidx.constraintlayout)
+    implementation(libs.androidx.navigation.fragment.ktx)
+    implementation(libs.androidx.navigation.ui.ktx)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+
+    // Barcode scanning API
+    implementation (libs.barcode.scanning)
+// CameraX library
+
+    implementation ("androidx.camera:camera-camera2:$cameraxVersion")
+    implementation ("androidx.camera:camera-lifecycle:$cameraxVersion")
+    implementation (libs.androidx.camera.view)
+    implementation ("com.google.android.gms:play-services-code-scanner:16.1.0")
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/org/foxarmy/barcodescannerforemployees/ExampleInstrumentedTest.kt

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+package org.foxarmy.barcodescannerforemployees
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("org.foxarmy.barcodescannerforemployees", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          xmlns:tools="http://schemas.android.com/tools">
+    <uses-feature android:name="android.hardware.camera" android:required="false"/>
+    <uses-permission android:name="android.permission.CAMERA" />
+    <application
+            android:allowBackup="true"
+            android:dataExtractionRules="@xml/data_extraction_rules"
+            android:fullBackupContent="@xml/backup_rules"
+            android:icon="@mipmap/ic_launcher"
+            android:label="@string/app_name"
+            android:roundIcon="@mipmap/ic_launcher_round"
+            android:supportsRtl="true"
+            android:theme="@style/Theme.BarcodeScannerForEmployees"
+            tools:targetApi="31">
+        <meta-data
+                android:name="com.google.mlkit.vision.DEPENDENCIES"
+                android:value="barcode_ui" >
+        </meta-data>
+        <activity
+                android:name=".MainActivity"
+                android:exported="true"
+                android:theme="@style/Theme.BarcodeScannerForEmployees">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

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

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+package org.foxarmy.barcodescannerforemployees
+
+import android.os.Bundle
+import com.google.android.material.snackbar.Snackbar
+import androidx.appcompat.app.AppCompatActivity
+import androidx.navigation.findNavController
+import androidx.navigation.ui.AppBarConfiguration
+import androidx.navigation.ui.navigateUp
+import androidx.navigation.ui.setupActionBarWithNavController
+import android.view.Menu
+import android.view.MenuItem
+import android.widget.Toast
+import org.foxarmy.barcodescannerforemployees.databinding.ActivityMainBinding
+
+class MainActivity : AppCompatActivity() {
+
+    private lateinit var appBarConfiguration: AppBarConfiguration
+    private lateinit var binding: ActivityMainBinding
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        setSupportActionBar(binding.toolbar)
+
+        val navController = findNavController(R.id.nav_host_fragment_content_main)
+        appBarConfiguration = AppBarConfiguration(navController.graph)
+        setupActionBarWithNavController(navController, appBarConfiguration)
+
+        binding.addProductFab.setOnClickListener { view ->
+//            Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+//                .setAction("Action", null)
+//                .setAnchorView(R.id.add_product_fab).show()
+            Toast.makeText(applicationContext, "Test", Toast.LENGTH_SHORT)
+        }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        menuInflater.inflate(R.menu.menu_main, menu)
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        // Handle action bar item clicks here. The action bar will
+        // automatically handle clicks on the Home/Up button, so long
+        // as you specify a parent activity in AndroidManifest.xml.
+        return when (item.itemId) {
+            R.id.action_settings -> true
+            else -> super.onOptionsItemSelected(item)
+        }
+    }
+
+    override fun onSupportNavigateUp(): Boolean {
+        val navController = findNavController(R.id.nav_host_fragment_content_main)
+        return navController.navigateUp(appBarConfiguration)
+                || super.onSupportNavigateUp()
+    }
+}

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

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+package org.foxarmy.barcodescannerforemployees
+
+class Parser constructor(payloadStartRegex: String, payloadEndRegex: String, payloadRegex: String){
+    val payloadStartRegex: String = payloadStartRegex
+    val payloadEndRegex: String = payloadEndRegex
+    val payloadRegex: String = payloadRegex
+
+    fun parse(text: String): MutableList<Product> {
+
+        val payloadStart = Regex(payloadStartRegex)
+        val payloadEnd = Regex(payloadEndRegex)
+        val payload = Regex(payloadRegex)
+
+        val startFound = payloadStart.find(text)?.value.toString()
+        val payloadStartIndex = text.indexOf(startFound)
+        var clearText = text.removeRange(
+            0,
+            if (payloadStartIndex < 0) 0 else payloadStartIndex
+        )
+
+        val endFound = payloadEnd.find(clearText)?.value.toString()
+        val payloadEndIndex = clearText.indexOf(endFound)
+        clearText = clearText.removeRange(
+            if (payloadEndIndex < 0) 0 else payloadEndIndex - 1,
+            clearText.length
+        )
+
+        println(clearText)
+
+        var products = payload.findAll(clearText).toMutableList()
+
+        for (product in products) {
+            println(product.value)
+        }
+
+        return mutableListOf()
+    }
+}
+
+fun main () {
+    val p = Parser("""\<table\s*class\=\"randomBarcodes\"\s*>""", """\<\/table\>""", """[ёЁ\u0401\u0451\u0410-\u044f\d\w\s]{16,}""")
+    p.parse(Requester("https://barcode-list.ru", "barcode/RU/Поиск.htm?barcode=4680036915828", ).request("4680036915828"))
+//    println(Requester("https://barcode-list.ru", "barcode/RU/Поиск.htm?barcode=4680036915828", ).request("4680036915828"))
+}

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

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+package org.foxarmy.barcodescannerforemployees
+
+class Product constructor(name:String, netWeight: Double) {
+    var name: String = name
+    var netWeight: Double = netWeight
+    var imageFile: String = ""
+}

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

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+package org.foxarmy.barcodescannerforemployees
+
+import android.provider.BaseColumns
+
+//object ProductContract {
+//    object ProductEntry :BaseColumns {
+//        const val TABLE_NAME = "products"
+//        const val PRODUCT_NAME = "name"
+//        const val PRODUCT_NET_WEIGHT = "net_weight"
+//        const val IMAGE_FILENAME = "image_filename"
+//    }
+//}

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

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+package org.foxarmy.barcodescannerforemployees
+
+import java.net.HttpURLConnection
+import java.net.URL
+
+class Requester constructor(siteName:String, endpoint: String) {
+    var siteName: String = siteName
+    var endpoint: String = endpoint
+
+    fun request (productId: String): String {
+        val url = URL("${siteName}/$endpoint")
+
+        var response: String = ""
+
+        with(url.openConnection() as HttpURLConnection) {
+            requestMethod = "GET"  // optional default is GET
+
+            println("\nSent 'GET' request to URL : $url; Response Code : $responseCode")
+
+            inputStream.bufferedReader().use {
+                it.lines().forEach { line ->
+                    response += line //+ '\n'
+                }
+            }
+        }
+        return response
+    }
+}

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

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+package org.foxarmy.barcodescannerforemployees
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.navigation.fragment.findNavController
+import org.foxarmy.barcodescannerforemployees.databinding.FragmentSecondBinding
+
+/**
+ * A simple [Fragment] subclass as the second destination in the navigation.
+ */
+class SecondFragment : Fragment() {
+
+    private var _binding: FragmentSecondBinding? = null
+
+    // This property is only valid between onCreateView and
+    // onDestroyView.
+    private val binding get() = _binding!!
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+
+        _binding = FragmentSecondBinding.inflate(inflater, container, false)
+        return binding.root
+
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        binding.buttonSecond.setOnClickListener {
+            findNavController().navigate(R.id.action_SecondFragment_to_FirstFragment)
+        }
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+}

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

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+package org.foxarmy.barcodescannerforemployees
+
+import android.content.Context
+import android.provider.BaseColumns
+
+object ProductContract {
+    object ProductEntry :BaseColumns {
+        const val TABLE_NAME = "products"
+        const val PRODUCT_NAME = "name"
+        const val PRODUCT_NET_WEIGHT = "net_weight"
+        const val IMAGE_FILENAME = "image_filename"
+    }
+}
+
+class StorageController(context: Context) {
+    val context = context
+
+    fun initStorage() {
+        val productContract = ProductContract
+        val SQL_CREATE_ENTRIES =
+            "CREATE TABLE ${ProductContract.ProductEntry.TABLE_NAME} (" +
+                    "${BaseColumns._ID} INTEGER PRIMARY KEY," +
+                    "${ProductContract.ProductEntry.PRODUCT_NAME} TEXT," +
+                    "${ProductContract.ProductEntry.PRODUCT_NET_WEIGHT} TEXT" +
+                    "${ProductContract.ProductEntry.IMAGE_FILENAME} TEXT)"
+
+    }
+}

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

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+package org.foxarmy.barcodescannerforemployees
+
+//import com.google.mlkit.vision.codescanner.GmsBarcodeScannerOptions
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Toast
+import androidx.fragment.app.Fragment
+import com.google.mlkit.vision.barcode.common.Barcode
+import com.google.mlkit.vision.codescanner.GmsBarcodeScannerOptions
+import com.google.mlkit.vision.codescanner.GmsBarcodeScanning
+import org.foxarmy.barcodescannerforemployees.databinding.AddProductFragmentBinding
+
+/**
+ * A simple [Fragment] subclass as the default destination in the navigation.
+ */
+class addProductFragment : Fragment() {
+
+    private var _binding: AddProductFragmentBinding? = null
+
+    // This property is only valid between onCreateView and
+    // onDestroyView.
+    private val binding get() = _binding!!
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+
+        _binding = AddProductFragmentBinding.inflate(inflater, container, false)
+        return binding.root
+
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        binding.scanButton.setOnClickListener {
+//            findNavController().navigate(R.id.action_FirstFragment_to_SecondFragment)
+//            Toast.makeText(requireContext(), "Test", Toast.LENGTH_LONG).show()
+            val options = GmsBarcodeScannerOptions.Builder()
+                .setBarcodeFormats(
+                    Barcode.FORMAT_EAN_13)
+                .build()
+            val scanner = GmsBarcodeScanning.getClient(requireContext())
+            scanner.startScan()
+                .addOnSuccessListener { barcode ->
+                    // Task completed successfully
+                    //Toast.makeText(requireContext(), barcode.rawValue, Toast.LENGTH_LONG).show()
+                    binding.productName.setText(barcode.rawValue)
+                }
+                .addOnFailureListener { e ->
+                    Toast.makeText(requireContext(), "Failed to scan barcode. Please, try again", Toast.LENGTH_LONG).show()
+                }
+        }
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+}

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

@@ -0,0 +1,11 @@
+package org.foxarmy.barcodescannerforemployees
+
+import android.provider.BaseColumns
+
+object ShelfContract {
+    object ShelfEntry : BaseColumns {
+        const val TABLE_NAME = "shelf"
+        const val PRODUCT_ID = "product_id"
+        const val EXPIRE_DATE = "expire_date"
+    }
+}

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:height="108dp"
+        android:width="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path android:fillColor="#3DDC84"
+          android:pathData="M0,0h108v108h-108z"/>
+    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,31 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:aapt="http://schemas.android.com/aapt"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportWidth="108"
+        android:viewportHeight="108">
+    <path
+            android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                    android:startY="49.59793"
+                    android:startX="42.9492"
+                    android:endY="92.4963"
+                    android:endX="85.84757"
+                    android:type="linear">
+                <item
+                        android:color="#44000000"
+                        android:offset="0.0"/>
+                <item
+                        android:color="#00000000"
+                        android:offset="1.0"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+            android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+            android:fillColor="#FFFFFF"
+            android:fillType="nonZero"
+            android:strokeWidth="1"
+            android:strokeColor="#00000000"/>
+</vector>

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

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout
+        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="match_parent"
+        android:fitsSystemWindows="true"
+        tools:context=".MainActivity">
+
+    <com.google.android.material.appbar.AppBarLayout
+            android:layout_height="wrap_content"
+            android:layout_width="match_parent"
+            android:fitsSystemWindows="true"
+    >
+
+        <com.google.android.material.appbar.MaterialToolbar
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="?attr/actionBarSize"/>
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <include layout="@layout/content_main"/>
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+            android:id="@+id/add_product_fab"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="bottom|end"
+            android:layout_marginEnd="@dimen/fab_margin"
+            android:layout_marginBottom="16dp"
+            app:srcCompat="@android:drawable/ic_input_add"/>
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.core.widget.NestedScrollView
+        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="match_parent"
+        tools:context=".addProductFragment">
+    <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:padding="16dp">
+        <Button
+                android:id="@+id/scan_button"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/scan_label"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"/>
+        <EditText
+                android:layout_width="365dp"
+                android:layout_height="42dp"
+                android:inputType="text"
+                android:text="@string/product_name_label"
+                android:ems="10"
+                android:id="@+id/productName"
+                app:layout_constraintTop_toTopOf="parent"
+                android:layout_marginTop="162dp" app:layout_constraintStart_toStartOf="parent"
+                android:layout_marginStart="11dp"/>
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.core.widget.NestedScrollView>

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

@@ -0,0 +1,20 @@
+<?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"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_behavior="@string/appbar_scrolling_view_behavior">
+
+    <fragment
+            android:id="@+id/nav_host_fragment_content_main"
+            android:name="androidx.navigation.fragment.NavHostFragment"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:defaultNavHost="true"
+            app:navGraph="@navigation/nav_graph"/>
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.core.widget.NestedScrollView
+        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="match_parent"
+        tools:context=".SecondFragment">
+    <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:padding="16dp">
+        <Button
+                android:id="@+id/button_second"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/previous"
+                app:layout_constraintBottom_toTopOf="@id/textview_second"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"/>
+
+        <TextView
+                android:id="@+id/textview_second"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:text="@string/product_name_label"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/button_second"/>
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.core.widget.NestedScrollView>

app/src/main/res/menu/menu_main.xml

@@ -0,0 +1,9 @@
+<menu 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"
+      tools:context="org.foxarmy.barcodescannerforemployees.MainActivity">
+    <item android:id="@+id/action_settings"
+          android:title="@string/action_settings"
+          android:orderInCategory="100"
+          app:showAsAction="never"/>
+</menu>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+    <monochrome android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+    <monochrome android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/navigation/nav_graph.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation 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/nav_graph"
+            app:startDestination="@id/FirstFragment">
+
+    <fragment
+            android:id="@+id/FirstFragment"
+            android:name="org.foxarmy.barcodescannerforemployees.addProductFragment"
+            android:label="@string/first_fragment_label"
+            tools:layout="@layout/add_product_fragment">
+
+        <action
+                android:id="@+id/action_FirstFragment_to_SecondFragment"
+                app:destination="@id/SecondFragment"/>
+    </fragment>
+    <fragment
+            android:id="@+id/SecondFragment"
+            android:name="org.foxarmy.barcodescannerforemployees.SecondFragment"
+            android:label="@string/second_fragment_label"
+            tools:layout="@layout/fragment_second">
+
+        <action
+                android:id="@+id/action_SecondFragment_to_FirstFragment"
+                app:destination="@id/FirstFragment"/>
+    </fragment>
+</navigation>

app/src/main/res/values-land/dimens.xml

@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">48dp</dimen>
+</resources>

app/src/main/res/values-night/themes.xml

@@ -0,0 +1,7 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.BarcodeScannerForEmployees" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your dark theme here. -->
+        <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
+    </style>
+</resources>

app/src/main/res/values-v23/themes.xml

@@ -0,0 +1,8 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <style name="Theme.BarcodeScannerForEmployees" parent="Base.Theme.BarcodeScannerForEmployees">
+        <!-- Transparent system bars for edge-to-edge. -->
+        <item name="android:navigationBarColor">@android:color/transparent</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+        <item name="android:windowLightStatusBar">?attr/isLightTheme</item>
+    </style>
+</resources>

app/src/main/res/values-w1240dp/dimens.xml

@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">200dp</dimen>
+</resources>

app/src/main/res/values-w600dp/dimens.xml

@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">48dp</dimen>
+</resources>

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

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

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

@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>

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

@@ -0,0 +1,10 @@
+<resources>
+    <string name="app_name">BarcodeScannerForEmployees</string>
+    <string name="action_settings">Settings</string>
+    <!-- Strings used for fragments for navigation -->
+    <string name="first_fragment_label">Add new product</string>
+    <string name="second_fragment_label">Products</string>
+    <string name="scan_label">Scan</string>
+    <string name="previous">Previous</string>
+    <string name="product_name_label">Product name</string>
+</resources>

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

@@ -0,0 +1,9 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.BarcodeScannerForEmployees" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your light theme here. -->
+        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
+    </style>
+
+    <style name="Theme.BarcodeScannerForEmployees" parent="Base.Theme.BarcodeScannerForEmployees"/>
+</resources>

app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>

app/src/test/java/org/foxarmy/barcodescannerforemployees/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package org.foxarmy.barcodescannerforemployees
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}