complete lab1

Lab1/.gitignore

@@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

Lab1/.idea/.gitignore

@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml

Lab1/.idea/compiler.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="21" />
+  </component>
+</project>

Lab1/.idea/deploymentTargetSelector.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetSelector">
+    <selectionStates>
+      <SelectionState runConfigName="app">
+        <option name="selectionMode" value="DROPDOWN" />
+      </SelectionState>
+    </selectionStates>
+  </component>
+</project>

Lab1/.idea/gradle.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="CHOOSE_PER_TEST" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+        <option name="resolveExternalAnnotations" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>

Lab1/.idea/kotlinc.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="KotlinJpsPluginSettings">
+    <option name="version" value="1.9.24" />
+  </component>
+</project>

Lab1/.idea/migrations.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectMigrations">
+    <option name="MigrateToGradleLocalJavaHome">
+      <set>
+        <option value="$PROJECT_DIR$" />
+      </set>
+    </option>
+  </component>
+</project>

Lab1/.idea/misc.xml

@@ -0,0 +1,9 @@
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>

Lab1/.idea/runConfigurations.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="com.intellij.execution.junit.AbstractAllInDirectoryConfigurationProducer" />
+        <option value="com.intellij.execution.junit.AllInPackageConfigurationProducer" />
+        <option value="com.intellij.execution.junit.TestInClassConfigurationProducer" />
+        <option value="com.intellij.execution.junit.UniqueIdConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>

Lab1/app/.gitignore

@@ -0,0 +1 @@
+/build

Lab1/app/build.gradle.kts

@@ -0,0 +1,54 @@
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+}
+
+android {
+    namespace = "com.example.lab1"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.example.lab1"
+        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
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.material)
+    implementation(libs.androidx.constraintlayout)
+    implementation(libs.androidx.lifecycle.livedata.ktx)
+    implementation(libs.androidx.lifecycle.viewmodel.ktx)
+    implementation(libs.androidx.navigation.fragment.ktx)
+    implementation(libs.androidx.navigation.ui.ktx)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+}

Lab1/app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# 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

Lab1/app/src/main/AndroidManifest.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <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.Lab1"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

Lab1/app/src/main/java/com/example/lab1/MainActivity.kt

@@ -0,0 +1,40 @@
+package com.example.lab1
+
+import android.os.Bundle
+import com.google.android.material.bottomnavigation.BottomNavigationView
+import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.ViewModelProvider
+import androidx.navigation.findNavController
+import androidx.navigation.ui.AppBarConfiguration
+import androidx.navigation.ui.setupActionBarWithNavController
+import androidx.navigation.ui.setupWithNavController
+import com.example.lab1.data.InitialData
+import com.example.lab1.data.MeasurementPoint
+import com.example.lab1.databinding.ActivityMainBinding
+import kotlin.math.pow
+
+class MainActivity : AppCompatActivity() {
+
+    private lateinit var binding: ActivityMainBinding
+
+    private lateinit var data: InitialData
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        var viewModel = ViewModelProvider(this).get(MainViewModel::class.java)
+
+        viewModel.data.value = InitialData.load(assets)
+
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        val navView: BottomNavigationView = binding.navView
+
+        val navController = findNavController(R.id.nav_host_fragment_activity_main)
+        // Passing each menu ID as a set of Ids because each
+        // menu should be considered as top level destinations.
+        val appBarConfiguration = AppBarConfiguration(setOf(R.id.navigation_home, R.id.navigation_dashboard))
+        setupActionBarWithNavController(navController, appBarConfiguration)
+        navView.setupWithNavController(navController)
+    }
+}

Lab1/app/src/main/java/com/example/lab1/MainViewModel.kt

@@ -0,0 +1,10 @@
+package com.example.lab1
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.example.lab1.data.InitialData
+
+class MainViewModel : ViewModel() {
+    val data = MutableLiveData<InitialData>();
+}

Lab1/app/src/main/java/com/example/lab1/MyMapView.kt

@@ -0,0 +1,108 @@
+package com.example.lab1
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.Paint
+import android.util.AttributeSet
+import android.view.View
+import com.example.lab1.data.MeasurementPoint
+
+class MyMapView(context: Context?, attrs: AttributeSet?) : View(context, attrs) {
+
+    var datapoints: List<MeasurementPoint>? = null
+    var highlights: List<Pair<Int, Int>> = listOf();
+
+    var bgPaint = Paint()
+    init {
+        bgPaint.color = Color.GRAY;
+        bgPaint.strokeWidth = 2f;
+    }
+
+    var datapointPaint = Paint()
+    init {
+        datapointPaint.color = Color.RED;
+        datapointPaint.strokeWidth = 2f;
+    }
+
+    var highlightPaint = Paint()
+    init {
+        highlightPaint.color = Color.CYAN;
+        highlightPaint.strokeWidth = 2f;
+    }
+
+    var textPaint = Paint()
+    init {
+        textPaint.color = Color.BLACK;
+        textPaint.strokeWidth = 3f;
+        textPaint.textSize = 25f;
+        textPaint.textAlign = Paint.Align.CENTER;
+    }
+
+    private fun getDimensions(): Pair<Pair<Int, Int>, Pair<Int, Int>>? {
+        if (datapoints == null) return null
+        if (datapoints!!.size <= 1) return null;
+
+        var minX = datapoints!![0].x
+        var maxX = datapoints!![0].x
+        var minY = datapoints!![0].y
+        var maxY = datapoints!![0].y
+
+        for (matavimas in datapoints!!) {
+            minX = Math.min(minX, matavimas.x)
+            maxX = Math.max(maxX, matavimas.x)
+            minY = Math.min(minY, matavimas.y)
+            maxY = Math.max(maxY, matavimas.y)
+        }
+
+        return Pair(Pair(minX, maxX), Pair(minY, maxY))
+    }
+
+    override fun onDraw(canvas: Canvas) {
+        super.onDraw(canvas)
+
+        if (datapoints == null) return
+
+        var dimentions = getDimensions()!!
+
+        var minX = dimentions.first.first;
+        var maxX = dimentions.first.second;
+        var minY = dimentions.second.first;
+        var maxY = dimentions.second.second;
+
+        var myWidth = (maxX - minX) + 1;
+        var myHeight = (maxY - minY) + 1;
+
+        var margin = 20f;
+        var gapX = (width - margin * 2) / myWidth;
+        var gapY = (height - margin * 2) / myHeight;
+
+        for (oy in 0..<myHeight) {
+            for (ox in 0..<myWidth) {
+                var paint = bgPaint;
+                var x = ox + minX;
+                var y = oy + minY;
+                var highlightIndex = highlights.indexOfFirst { point -> point.first == x && point.second == y };
+                if (highlightIndex != -1) {
+                    paint = highlightPaint;
+                } else if (datapoints!!.find { point -> point.x == x && point.y == y } != null) {
+                    paint = datapointPaint;
+                }
+                var circleX = gapX * (ox+0.5f) + margin;
+                var circleY = gapY * (oy+0.5f) + margin;
+                canvas.drawCircle(circleX, circleY, 12.5f, paint);
+
+                if (highlightIndex != -1) {
+                    canvas.drawText("${highlightIndex+1}", circleX, circleY + 8, textPaint);
+                }
+            }
+        }
+
+        canvas.drawLine(0f, 0f, width.toFloat(), 0f, bgPaint);
+        canvas.drawLine(0f, height.toFloat(), width.toFloat(), height.toFloat(), bgPaint);
+
+        canvas.drawLine(0f, 0f, 0f, height.toFloat(), bgPaint);
+        canvas.drawLine(width.toFloat(), 0f, width.toFloat(), height.toFloat(), bgPaint);
+
+    }
+}

Lab1/app/src/main/java/com/example/lab1/UserItem.kt

@@ -0,0 +1,89 @@
+package com.example.lab1
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.widget.addTextChangedListener
+import androidx.lifecycle.ViewModelProvider
+import com.example.lab1.databinding.FragmentUserItemBinding
+
+/**
+ * A simple [Fragment] subclass.
+ * Use the [UserItem.newInstance] factory method to
+ * create an instance of this fragment.
+ */
+class UserItem : Fragment() {
+    // TODO: Rename and change types of parameters
+    private var index: Int = 0
+
+    private lateinit var binding:FragmentUserItemBinding
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        arguments?.let {
+            index = it.getInt("index")
+        }
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        binding = FragmentUserItemBinding.inflate(inflater, container, false);
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        binding.textView.text = "Vartotojas ${index+1}"
+        var viewModel = ViewModelProvider(requireActivity()).get(MainViewModel::class.java)
+
+        var user = viewModel.data.value!!.users[index]
+
+        binding.editMac.setText(user.mac)
+        binding.editStrength1.setText(user.strengths.first.toString())
+        binding.editStrength2.setText(user.strengths.second.toString())
+        binding.editStrength3.setText(user.strengths.third.toString())
+
+        binding.editMac.addTextChangedListener{
+            user.mac = binding.editMac.text.toString()
+        }
+        binding.editStrength1.addTextChangedListener{
+            try {
+                user.strengths = user.strengths.copy(first = binding.editStrength1.text.toString().toFloat())
+            } catch (e: NumberFormatException) { }
+        }
+        binding.editStrength2.addTextChangedListener{
+            try {
+                user.strengths = user.strengths.copy(second = binding.editStrength2.text.toString().toFloat())
+            } catch (e: NumberFormatException) { }
+        }
+        binding.editStrength3.addTextChangedListener{
+            try {
+                user.strengths = user.strengths.copy(third = binding.editStrength3.text.toString().toFloat())
+            } catch (e: NumberFormatException) { }
+        }
+    }
+
+    companion object {
+        /**
+         * Use this factory method to create a new instance of
+         * this fragment using the provided parameters.
+         *
+         * @param param1 Parameter 1.
+         * @param param2 Parameter 2.
+         * @return A new instance of fragment UserItem.
+         */
+        // TODO: Rename and change types and number of parameters
+        @JvmStatic
+        fun newInstance(index: Int) =
+            UserItem().apply {
+                arguments = Bundle().apply {
+                    putInt("index", index)
+                }
+            }
+    }
+}

Lab1/app/src/main/java/com/example/lab1/data/InitialData.kt

@@ -0,0 +1,120 @@
+package com.example.lab1.data
+
+import android.content.res.AssetManager
+import org.json.JSONArray
+import java.nio.ByteBuffer
+import java.nio.charset.StandardCharsets
+
+public class InitialData(
+    val users: List<User>,
+    val datapoints: List<MeasurementPoint>
+) {
+
+    companion object {
+        public fun load(assets: AssetManager): InitialData {
+            var inputStream = assets.open("data.json");
+            var size = inputStream.available();
+            var buffer = ByteBuffer.allocate(size);
+            inputStream.read(buffer.array());
+            inputStream.close();
+
+            var jsonString = String(buffer.array(), StandardCharsets.UTF_8);
+            var jsonArray = JSONArray(jsonString);
+
+            var stiprumai: MutableList<Stiprumas> = mutableListOf();
+            var matavimai: MutableList<Matavimas> = mutableListOf();
+            var vartotojai: MutableList<Vartotojas> = mutableListOf();
+
+            var users = mutableListOf<User>();
+            var datapoints = mutableListOf<MeasurementPoint>();
+
+            for (i in 0..<jsonArray.length()) {
+                var obj = jsonArray.getJSONObject(i);
+
+                if (obj.getString("type") != "table") continue
+
+                var tableName = obj.getString("name");
+                if (tableName == "matavimai") {
+                    var rows = obj.getJSONArray("data")
+                    for (j in 0..<rows.length()) {
+                        var row = rows.getJSONObject(j);
+                        matavimai.add(
+                            Matavimas(
+                                row.getString("matavimas").toInt(),
+                                row.getString("x").toInt(),
+                                row.getString("y").toInt(),
+                                row.getString("atstumas").toFloat()
+                            )
+                        );
+                    }
+
+                } else if (tableName == "stiprumai") {
+                    var rows = obj.getJSONArray("data")
+                    for (j in 0..<rows.length()) {
+                        var row = rows.getJSONObject(j);
+                        stiprumai.add(
+                            Stiprumas(
+                                row.getString("id").toInt(),
+                                row.getString("matavimas").toInt(),
+                                row.getString("sensorius"),
+                                row.getString("stiprumas").toInt()
+                            )
+                        );
+                    }
+
+                } else if (tableName == "vartotojai") {
+                    var rows = obj.getJSONArray("data")
+                    for (j in 0..<rows.length()) {
+                        var row = rows.getJSONObject(j);
+                        vartotojai.add(
+                            Vartotojas(
+                                row.getString("id").toInt(),
+                                row.getString("mac"),
+                                row.getString("sensorius"),
+                                row.getString("stiprumas").toInt()
+                            )
+                        );
+                    }
+
+                }
+            }
+
+            for (vartotojas in vartotojai) {
+                if (users.find { user -> user.mac == vartotojas.mac } != null) continue
+
+                var strengths = mutableListOf<Pair<Float, String>>()
+                for (kitasVartotojas in vartotojai.filter { v -> v.mac == vartotojas.mac }) {
+                    strengths.add(Pair(kitasVartotojas.stiprumas.toFloat(), kitasVartotojas.sensorius));
+                }
+
+                var strength1 = strengths.find { p -> p.second == "wiliboxas1" }
+                if (strength1 == null) continue
+                var strength2 = strengths.find { p -> p.second == "wiliboxas2" }
+                if (strength2 == null) continue
+                var strength3 = strengths.find { p -> p.second == "wiliboxas3" }
+                if (strength3 == null) continue
+
+                users.add(User(vartotojas.mac, Triple(strength1.first, strength2.first, strength3.first)))
+            }
+
+            for (matavimas in matavimai) {
+                var distances = mutableListOf<Pair<Float, String>>()
+                for (stiprumas in stiprumai.filter { stiprumas -> stiprumas.matavimas == matavimas.id }) {
+                    distances.add(Pair(stiprumas.stiprumas.toFloat(), stiprumas.sensorius));
+                }
+                if (distances.size != 3) continue
+
+                var distance1 = distances.find { p -> p.second == "wiliboxas1" }
+                if (distance1 == null) continue
+                var distance2 = distances.find { p -> p.second == "wiliboxas2" }
+                if (distance2 == null) continue
+                var distance3 = distances.find { p -> p.second == "wiliboxas3" }
+                if (distance3 == null) continue
+
+                datapoints.add(MeasurementPoint(matavimas.x, matavimas.y, Triple(distance1.first, distance2.first, distance3.first)))
+            }
+
+            return InitialData(users, datapoints);
+        }
+    }
+}

Lab1/app/src/main/java/com/example/lab1/data/Matavimas.kt

@@ -0,0 +1,8 @@
+package com.example.lab1.data
+
+class Matavimas(
+    val id: Int,
+    val x: Int,
+    val y: Int,
+    val atstumas: Float
+)

Lab1/app/src/main/java/com/example/lab1/data/MeasurementPoint.kt

@@ -0,0 +1,7 @@
+package com.example.lab1.data
+
+class MeasurementPoint(
+    val x: Int,
+    val y: Int,
+    val strengths: Triple<Float, Float, Float>
+);

Lab1/app/src/main/java/com/example/lab1/data/Stiprumas.kt

@@ -0,0 +1,8 @@
+package com.example.lab1.data
+
+class Stiprumas(
+    val id: Int,
+    val matavimas: Int,
+    val sensorius: String,
+    val stiprumas: Int
+)

Lab1/app/src/main/java/com/example/lab1/data/User.kt

@@ -0,0 +1,6 @@
+package com.example.lab1.data
+
+class User(
+    var mac: String,
+    var strengths: Triple<Float, Float, Float>
+)

Lab1/app/src/main/java/com/example/lab1/data/Vartotojas.kt

@@ -0,0 +1,8 @@
+package com.example.lab1.data
+
+class Vartotojas(
+    val id: Int,
+    val mac: String,
+    val sensorius: String,
+    val stiprumas: Int
+)

Lab1/app/src/main/java/com/example/lab1/ui/dashboard/DashboardFragment.kt

@@ -0,0 +1,59 @@
+package com.example.lab1.ui.dashboard
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.FragmentTransaction
+import androidx.lifecycle.ViewModelProvider
+import com.example.lab1.MainViewModel
+import com.example.lab1.R
+import com.example.lab1.UserItem
+import com.example.lab1.databinding.FragmentDashboardBinding
+
+class DashboardFragment : Fragment() {
+
+    private var _binding: FragmentDashboardBinding? = 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 = FragmentDashboardBinding.inflate(inflater, container, false)
+        return binding.root
+    }
+
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        if (childFragmentManager.fragments.size > 0) return;
+
+        var viewModel = ViewModelProvider(requireActivity()).get(MainViewModel::class.java)
+        for (i in 0..<viewModel.data.value!!.users.size) {
+            addUserItemToLayout(i);
+        }
+    }
+
+    private fun addUserItemToLayout(index: Int)
+    {
+        val fragMan: FragmentManager = childFragmentManager
+        val fragTransaction: FragmentTransaction = fragMan.beginTransaction()
+
+        val myFrag: Fragment = UserItem.newInstance(index)
+        fragTransaction.add(R.id.linearLayout, myFrag, "fragment$index")
+        fragTransaction.commit()
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+}

Lab1/app/src/main/java/com/example/lab1/ui/home/HomeFragment.kt

@@ -0,0 +1,108 @@
+package com.example.lab1.ui.home
+
+import android.os.Bundle
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.ViewModelProvider
+import com.example.lab1.MainViewModel
+import com.example.lab1.data.InitialData
+import com.example.lab1.data.MeasurementPoint
+import com.example.lab1.databinding.FragmentHomeBinding
+import kotlin.math.pow
+
+class HomeFragment : Fragment() {
+
+    private var _binding: FragmentHomeBinding? = 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 {
+        var viewModel = ViewModelProvider(requireActivity()).get(MainViewModel::class.java)
+        _binding = FragmentHomeBinding.inflate(inflater, container, false)
+        val root: View = binding.root
+
+        Log.d("HomeFragment", "Home create view");
+
+        if (viewModel.data.value != null) {
+            regenerateHighlights();
+        }
+
+        return root
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+
+        Log.d("HomeFragment", "Home destroy view");
+    }
+
+    private fun regenerateHighlights()
+    {
+        var viewModel = ViewModelProvider(requireActivity()).get(MainViewModel::class.java)
+
+        var highlights = mutableListOf<Pair<Int, Int>>()
+
+        /*
+        try {
+            var strength1 = binding.editStrength1.text.toString().toFloat()
+            var strength2 = binding.editStrength2.text.toString().toFloat()
+            var strength3 = binding.editStrength3.text.toString().toFloat()
+
+            var point = findNearest(Triple(strength1, strength2, strength3))
+            if (point != null) {
+                highlights.add(point)
+            } else {
+                highlights.add(Pair(100, 100))
+            }
+        } catch (e: NumberFormatException) {
+            highlights.add(Pair(100, 100))
+        }*/
+
+        for (user in viewModel.data.value!!.users) {
+            var point = findNearest(user.strengths)
+            if (point != null) {
+                highlights.add(point)
+            }
+        }
+
+        binding.myMapView.datapoints = viewModel.data.value!!.datapoints;
+        binding.myMapView.highlights = highlights;
+        binding.myMapView.invalidate()
+    }
+
+    private fun findNearest(strengths: Triple<Float, Float, Float>): Pair<Int, Int>?
+    {
+        var viewModel = ViewModelProvider(requireActivity()).get(MainViewModel::class.java)
+
+        var nearest: MeasurementPoint? = null;
+        var nearestDistance = 0f
+
+        for (datapoint in viewModel.data.value!!.datapoints) {
+            var distance = (datapoint.strengths.first - strengths.first).pow(2) +
+                    (datapoint.strengths.second - strengths.second).pow(2) +
+                    (datapoint.strengths.third - strengths.third).pow(2)
+
+            if (nearest == null || (nearestDistance > distance)) {
+                nearest = datapoint
+                nearestDistance = distance
+            }
+        }
+
+        if (nearest != null) {
+            return Pair(nearest.x, nearest.y)
+        } else {
+            return null;
+        }
+    }
+}

Lab1/app/src/main/res/drawable/ic_dashboard_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M3,13h8L11,3L3,3v10zM3,21h8v-6L3,15v6zM13,21h8L21,11h-8v10zM13,3v6h8L21,3h-8z" />
+</vector>

Lab1/app/src/main/res/drawable/ic_home_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M10,20v-6h4v6h5v-8h3L12,3 2,12h3v8z" />
+</vector>

Lab1/app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

Lab1/app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<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:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                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:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        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:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

Lab1/app/src/main/res/drawable/ic_notifications_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M12,22c1.1,0 2,-0.9 2,-2h-4c0,1.1 0.89,2 2,2zM18,16v-5c0,-3.07 -1.64,-5.64 -4.5,-6.32L13.5,4c0,-0.83 -0.67,-1.5 -1.5,-1.5s-1.5,0.67 -1.5,1.5v0.68C7.63,5.36 6,7.92 6,11v5l-2,2v1h16v-1l-2,-2z" />
+</vector>

Lab1/app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,32 @@
+<?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:id="@+id/container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingTop="?attr/actionBarSize">
+
+    <com.google.android.material.bottomnavigation.BottomNavigationView
+        android:id="@+id/nav_view"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:background="?android:attr/windowBackground"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:menu="@menu/bottom_nav_menu" />
+
+    <fragment
+        android:id="@+id/nav_host_fragment_activity_main"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:defaultNavHost="true"
+        app:layout_constraintBottom_toTopOf="@id/nav_view"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.0"
+        app:navGraph="@navigation/mobile_navigation" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

Lab1/app/src/main/res/layout/fragment_dashboard.xml

@@ -0,0 +1,26 @@
+<?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="match_parent"
+    tools:context=".ui.dashboard.DashboardFragment">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginBottom="48dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.0">
+
+        <LinearLayout
+            android:id="@+id/linearLayout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"/>
+    </ScrollView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

Lab1/app/src/main/res/layout/fragment_home.xml

@@ -0,0 +1,21 @@
+<?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="match_parent"
+    tools:context=".ui.home.HomeFragment">
+
+    <com.example.lab1.MyMapView
+        android:id="@+id/myMapView"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_marginBottom="128dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.0" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

Lab1/app/src/main/res/layout/fragment_user_item.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    tools:context=".UserItem">
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="Vartotojas 1"
+        android:textSize="34sp" />
+
+    <EditText
+        android:id="@+id/editMac"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:ems="10"
+        android:hint="MAC"
+        android:inputType="text" />
+
+    <EditText
+        android:id="@+id/editStrength1"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:ems="10"
+        android:hint="Stiprumas 1"
+        android:inputType="text" />
+
+    <EditText
+        android:id="@+id/editStrength2"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:ems="10"
+        android:hint="Stiprumas 2"
+        android:inputType="text" />
+
+    <EditText
+        android:id="@+id/editStrength3"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:ems="10"
+        android:hint="Stiprumas 3"
+        android:inputType="text" />
+</LinearLayout>

Lab1/app/src/main/res/menu/bottom_nav_menu.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/navigation_home"
+        android:icon="@android:drawable/ic_dialog_map"
+        android:title="Žemėlapis" />
+
+    <item
+        android:id="@+id/navigation_dashboard"
+        android:icon="@android:drawable/ic_menu_myplaces"
+        android:title="Vartotojai" />
+
+</menu>

Lab1/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>

Lab1/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>

Lab1/app/src/main/res/navigation/mobile_navigation.xml

@@ -0,0 +1,20 @@
+<?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/mobile_navigation"
+    app:startDestination="@+id/navigation_home">
+
+    <fragment
+        android:id="@+id/navigation_home"
+        android:name="com.example.lab1.ui.home.HomeFragment"
+        android:label="Žemėlapis"
+        tools:layout="@layout/fragment_home" />
+
+    <fragment
+        android:id="@+id/navigation_dashboard"
+        android:name="com.example.lab1.ui.dashboard.DashboardFragment"
+        android:label="Vartotojai"
+        tools:layout="@layout/fragment_dashboard" />
+
+</navigation>

Lab1/app/src/main/res/values-night/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Lab1" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

Lab1/app/src/main/res/values/colors.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

Lab1/app/src/main/res/values/dimens.xml

@@ -0,0 +1,5 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>

Lab1/app/src/main/res/values/strings.xml

@@ -0,0 +1,8 @@
+<resources>
+    <string name="app_name">Lab1</string>
+    <string name="title_home">Home</string>
+    <string name="title_dashboard">Dashboard</string>
+    <string name="title_notifications">Notifications</string>
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
+</resources>

Lab1/app/src/main/res/values/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Lab1" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

Lab1/app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,13 @@
+<?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>

Lab1/app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?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>

Lab1/build.gradle.kts

@@ -0,0 +1,5 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    alias(libs.plugins.android.application) apply false
+    alias(libs.plugins.kotlin.android) apply false
+}

Lab1/gradle.properties

@@ -0,0 +1,23 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. For more details, visit
+# https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true

Lab1/gradle/libs.versions.toml

@@ -0,0 +1,32 @@
+[versions]
+agp = "8.7.0"
+kotlin = "1.9.24"
+coreKtx = "1.13.1"
+junit = "4.13.2"
+junitVersion = "1.2.1"
+espressoCore = "3.6.1"
+appcompat = "1.7.0"
+material = "1.12.0"
+constraintlayout = "2.1.4"
+lifecycleLivedataKtx = "2.8.6"
+lifecycleViewmodelKtx = "2.8.6"
+navigationFragmentKtx = "2.8.3"
+navigationUiKtx = "2.8.3"
+
+[libraries]
+androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
+androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
+androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
+material = { group = "com.google.android.material", name = "material", version.ref = "material" }
+androidx-constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
+androidx-lifecycle-livedata-ktx = { group = "androidx.lifecycle", name = "lifecycle-livedata-ktx", version.ref = "lifecycleLivedataKtx" }
+androidx-lifecycle-viewmodel-ktx = { group = "androidx.lifecycle", name = "lifecycle-viewmodel-ktx", version.ref = "lifecycleViewmodelKtx" }
+androidx-navigation-fragment-ktx = { group = "androidx.navigation", name = "navigation-fragment-ktx", version.ref = "navigationFragmentKtx" }
+androidx-navigation-ui-ktx = { group = "androidx.navigation", name = "navigation-ui-ktx", version.ref = "navigationUiKtx" }
+
+[plugins]
+android-application = { id = "com.android.application", version.ref = "agp" }
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+

Lab1/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Mon Oct 21 20:06:37 EEST 2024
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

Lab1/gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

Lab1/gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

Lab1/settings.gradle.kts

@@ -0,0 +1,23 @@
+pluginManagement {
+    repositories {
+        google {
+            content {
+                includeGroupByRegex("com\\.android.*")
+                includeGroupByRegex("com\\.google.*")
+                includeGroupByRegex("androidx.*")
+            }
+        }
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "Lab1"
+include(":app")