Initial commit

2023-03-20 15:58:43 +03:00
commit a386c43bf5
37 changed files with 1240 additions and 0 deletions
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -0,0 +1 @@
+/build
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -0,0 +1,90 @@
+@file:Suppress("UnstableApiUsage")
+
+@Suppress("DSL_SCOPE_VIOLATION")
+plugins {
+    id(libs.plugins.android.application.get().pluginId)
+    id(libs.plugins.kotlin.android.get().pluginId)
+    id(libs.plugins.kotlin.kapt.get().pluginId)
+    id(libs.plugins.kotlin.parcelize.get().pluginId)
+}
+
+android {
+    defaultConfig {
+        applicationId = "ru.myitschool.lab23"
+        versionCode = 1
+        versionName = "0.0.1"
+
+        targetSdk = 33
+        minSdk = 27
+        compileSdk = 33
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    lint {
+        warningsAsErrors = true
+        ignoreWarnings = false
+        abortOnError = true
+        checkAllWarnings = true
+        lintConfig = file("lint.xml")
+        lint {
+            disable.addAll(
+                listOf(
+                    "InvalidPackage",
+                    "UnusedIds",
+                    "GradleDependency",
+                    "UnusedResources",
+                    "UnknownNullness",
+                    "SyntheticAccessor",
+                ),
+            )
+        }
+    }
+
+    applicationVariants.all {
+        val lintTask = tasks["lint${name.capitalize()}"]
+        assembleProvider.get().dependsOn.add(lintTask)
+    }
+
+    buildFeatures {
+        viewBinding = true
+    }
+    namespace = "ru.myitschool.lab23"
+}
+
+dependencies {
+
+    implementation(libs.android.material)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.androidx.lifecycle.livedata.ktx)
+    implementation(libs.androidx.lifecycle.viewmodel.ktx)
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.koin.core)
+    implementation(libs.koin.android)
+    implementation(libs.androidx.constraintlayout)
+
+    implementation("com.instabug.library:instabug:11.8.0")
+    implementation(libs.androidx.appcompat)
+
+    implementation(libs.room.runtime)
+    implementation(libs.room.ktx)
+    kapt(libs.room.compiler)
+    implementation(libs.kotlinx.coroutines.android)
+
+    androidTestImplementation("com.google.truth:truth:1.1.3")
+    androidTestImplementation(libs.kakao)
+    androidTestImplementation(libs.androidx.test.uiautomator)
+    androidTestImplementation(libs.androidx.test.ext)
+    androidTestImplementation(libs.androidx.test.runner)
+    androidTestImplementation(libs.androidx.test.rules)
+    androidTestImplementation(libs.androidx.test.espresso.core)
+    androidTestImplementation(libs.androidx.navigation.testing)
+    androidTestImplementation(libs.androidx.test.ext)
+    androidTestImplementation(libs.androidx.test.rules)
+    androidTestImplementation("androidx.arch.core:core-testing:2.1.0")
+    // only this version does not generate gradle merge problems
+    androidTestImplementation(libs.androidx.test.espresso.accessibility)
+    androidTestImplementation(libs.kotlinx.coroutines.test)
+    androidTestImplementation(kotlin("test"))
+    testImplementation(libs.androidx.test.ext)
+}
--- a/app/lint.xml
+++ b/app/lint.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<lint>
+    <issue id="UnusedAttribute" severity="error">
+        <ignore regexp="importantForAutofill"/>
+        <ignore regexp="autofillHints"/>
+    </issue>
+    <issue id="InvalidPackage">
+        <ignore path="**/freemarker-2.*.*.jar" />
+        <ignore path="**/nnio-0.2.jar"/>
+        <ignore path="**/bcpkix-jdk15on-1.69.jar" />
+    </issue>
+
+    <issue id="UnusedResources" severity="error">
+        <ignore regexp="store_short_desc|store_full_desc|store_short_dev_desc|store_full_dev_desc" />
+    </issue>
+
+    <issue id="UnusedResources">
+        <ignore path="**/values-**/strings.xml" />
+        <ignore path="**/values/setup.xml" />
+    </issue>
+
+    <issue id="Typos">
+        <ignore path="**/values-**/strings.xml" />
+        <ignore path="**/values/setup.xml" />
+    </issue>
+
+    <issue id="RestrictedApi" severity="error">
+        <ignore path="build" />
+    </issue>
+
+    <issue id="NewApi" severity="error">
+        <ignore path="build" />
+    </issue>
+
+    <issue id="ObsoleteLintCustomCheck" severity="warning">
+        <ignore path="**/fragment-1.2.5/**/lint.jar" />
+        <ignore path="**/work-runtime-2.**/**/lint.jar" />
+        <ignore path="**/jetified-butterknife-runtime-10.**/**/lint.jar" />
+        <ignore path="**/jetified-dagger-lint-aar-2.**.**/**/lint.jar" />
+        <ignore path="**/jetified-annotation-experimental-1.**/**/lint.jar" />
+        <ignore path="**/jetified-firebase-installations**/**/lint.jar" />
+        <ignore path="**/appcompat-1.**/**/lint.jar" />
+    </issue>
+</lint>
--- a/app/proguard-rules.pro
+++ b/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
--- a/app/src/androidTest/java/ru/myitschool/lab23/InstrumentedTestRoom.kt
+++ b/app/src/androidTest/java/ru/myitschool/lab23/InstrumentedTestRoom.kt
@@ -0,0 +1,177 @@
+package ru.myitschool.lab23
+
+import android.app.Instrumentation
+import android.content.Context
+import androidx.arch.core.executor.testing.InstantTaskExecutorRule
+import androidx.room.Room
+import androidx.test.espresso.*
+import androidx.test.espresso.accessibility.AccessibilityChecks
+import androidx.test.espresso.matcher.ViewMatchers.*
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.uiautomator.UiDevice
+import com.google.common.truth.Truth.assertThat
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.test.runTest
+import org.junit.*
+import org.junit.Assert.assertEquals
+import org.junit.runner.RunWith
+import org.junit.runners.MethodSorters
+import ru.myitschool.lab23.data.QuestionsCache
+import ru.myitschool.lab23.data.QuestionsDao
+import ru.myitschool.lab23.data.QuestionsDatabase
+import java.io.IOException
+import java.util.*
+import java.util.concurrent.TimeUnit
+
+@OptIn(ExperimentalCoroutinesApi::class)
+@RunWith(AndroidJUnit4::class)
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@SmallTest
+class InstrumentedTestRoom {
+
+    @get:Rule
+    var instantTaskExecutorRule = InstantTaskExecutorRule()
+
+    private var uiDevice: UiDevice? = null
+
+    private lateinit var appContext: Context
+    private lateinit var mInstrumentation: Instrumentation
+    private lateinit var db: QuestionsDatabase
+    private lateinit var dao: QuestionsDao
+
+    @Before
+    fun setUp() {
+        mInstrumentation = InstrumentationRegistry.getInstrumentation()
+
+        uiDevice = UiDevice.getInstance(mInstrumentation)
+        uiDevice?.pressHome()
+
+        val nonLocalizedContext = mInstrumentation.targetContext
+        val configuration = nonLocalizedContext.resources.configuration
+        configuration.setLocale(Locale.UK)
+        appContext = nonLocalizedContext.createConfigurationContext(configuration)
+
+        db = Room.inMemoryDatabaseBuilder(appContext, QuestionsDatabase::class.java)
+            // just for testing
+            .allowMainThreadQueries()
+            .build()
+        dao = db.questionsDao()
+    }
+
+    @After
+    @Throws(IOException::class)
+    fun clear() {
+        db.close()
+    }
+
+    @Test(timeout = MAX_TIMEOUT)
+    fun testGetQuestions() = runTest {
+        checkGetQuestions()
+    }
+
+    @Test(timeout = MAX_TIMEOUT)
+    fun testGetQuestionsSnapshot() = runTest {
+        assertEquals(null, dao.getQuestion("What is AAPT?"))
+        dao.insert(fakeData[2])
+        val actualList = dao.getAllQuestionsSnapshot()
+        assertThat(actualList).hasSize(1)
+        assertEquals(fakeData[2], actualList[0])
+        val actual = dao.getQuestion("How to stop a service?")
+        assertEquals(null, actual)
+
+        dao.clearQuestionsCache()
+        val emptyList = dao.getAllQuestionsSnapshot()
+        assertThat(emptyList).hasSize(0)
+    }
+
+    @Test(timeout = MAX_TIMEOUT)
+    fun testQuestionsForTopic() = runTest {
+        fakeData.forEach { dao.insert(it) }
+        val actualList = dao.getQuestionsForTopic("service")
+        assertThat(actualList).hasSize(2)
+        assertThat(actualList).contains(fakeData[0])
+        assertThat(actualList).contains(fakeData[1])
+    }
+
+    private fun checkGetQuestions() = runTest {
+        assertEquals(null, dao.getQuestion(fakeData[0].question))
+        fakeData.forEach { dao.insert(it) }
+        val actualList = dao.getAllQuestionsSnapshot()
+        assertEquals(fakeData[4], actualList[0])
+
+        val liveDataList = dao.getAllQuestionsStream().getOrAwaitValue()
+        assertThat(liveDataList).contains(fakeData[6])
+        assertEquals(fakeData[4], liveDataList[0])
+
+        val flowList = dao.getAllQuestionsFlow().first()
+        assertThat(flowList).contains(fakeData[5])
+        assertEquals(fakeData[4], flowList[0])
+    }
+
+    companion object {
+        private const val MAX_TIMEOUT: Long = 3_000
+
+        private val fakeData = arrayOf(
+            QuestionsCache(
+                1,
+                "What are different types of services in Android?",
+                "Foreground Service (e.g. music players or download managers); " +
+                        "Background Service (e.g. network monitoring or analytics); " +
+                        "Bound Service (e.g. voice recognition or location tracking)",
+                2
+            ),
+            QuestionsCache(
+                2,
+                "How to stop a service?",
+                "We can use the `stopService(intent)` method. " +
+                        "An alternative way to stop a service is to use the `stopSelf()` in the service itself.",
+                2
+            ),
+            QuestionsCache(
+                3,
+                "What is AAPT?",
+                "Android Asset Packaging Tool",
+                4
+            ),
+            QuestionsCache(
+                4,
+                "How can we optimize the size of the .dex file?",
+                "We can use Proguard to reduce the size of dex (Dalvik EXecutable) files; " +
+                        "it is a tool that shrinks and obfuscates the code of an app.",
+                4
+            ),
+            QuestionsCache(
+                5,
+                "What is Intent filter?",
+                "An intent filter describes the types of intents that an app is interested in, " +
+                        "such as requests to view a specific type of data or to perform a certain action.",
+                1
+            ),
+            QuestionsCache(
+                6,
+                "What are four launch modes for activities?",
+                "Standard, SingleTop, SingleTask, SingleInstance",
+                3
+            ),
+            QuestionsCache(
+                7,
+                "What is a retained fragment?",
+                "A retained fragment is a type of fragment that is not destroyed and recreated with the activity, " +
+                        "but instead is retained in memory. " +
+                        "Any data stored in it will survive configuration changes and can be retrieved by the activity afterwards.",
+                3
+            ),
+        )
+
+        @BeforeClass
+        @JvmStatic
+        fun enableAccessibilityChecks() {
+            AccessibilityChecks.enable()
+            IdlingPolicies.setMasterPolicyTimeout(7, TimeUnit.SECONDS)
+            IdlingPolicies.setIdlingResourceTimeout(7, TimeUnit.SECONDS)
+        }
+    }
+}
--- a/app/src/androidTest/java/ru/myitschool/lab23/LiveDataTestingUtil.kt
+++ b/app/src/androidTest/java/ru/myitschool/lab23/LiveDataTestingUtil.kt
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * 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
+ *
+ *      http://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.
+ */
+package ru.myitschool.lab23
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.Observer
+import java.util.concurrent.CountDownLatch
+import java.util.concurrent.TimeUnit
+import java.util.concurrent.TimeoutException
+
+/**
+ * Gets the value of a [LiveData] or waits for it to have one, with a timeout.
+ *
+ * Use this extension from host-side (JVM) tests. It's recommended to use it alongside
+ * `InstantTaskExecutorRule` or a similar mechanism to execute tasks synchronously.
+ */
+fun <T> LiveData<T>.getOrAwaitValue(
+    time: Long = 2,
+    timeUnit: TimeUnit = TimeUnit.SECONDS,
+    afterObserve: () -> Unit = {}
+): T {
+    var data: T? = null
+    val latch = CountDownLatch(1)
+    val observer = object : Observer<T> {
+        override fun onChanged(o: T?) {
+            data = o
+            latch.countDown()
+            this@getOrAwaitValue.removeObserver(this)
+        }
+    }
+    this.observeForever(observer)
+
+    afterObserve.invoke()
+
+    // Don't wait indefinitely if the LiveData is not set.
+    if (!latch.await(time, timeUnit)) {
+        this.removeObserver(observer)
+        throw TimeoutException("LiveData value was never set.")
+    }
+
+    @Suppress("UNCHECKED_CAST")
+    return data as T
+}
+
+/**
+ * Observes a [LiveData] until the `block` is done executing.
+ */
+suspend fun <T> LiveData<T>.observeForTesting(block: suspend () -> Unit) {
+    val observer = Observer<T> { }
+    try {
+        observeForever(observer)
+        block()
+    } finally {
+        removeObserver(observer)
+    }
+}
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="ru.myitschool.lab23">
+
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Lab">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+    </application>
+
+</manifest>
--- a/app/src/main/java/ru/myitschool/lab23/MainActivity.java
+++ b/app/src/main/java/ru/myitschool/lab23/MainActivity.java
@@ -0,0 +1,19 @@
+package ru.myitschool.lab23;
+
+import android.os.Bundle;
+
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+
+import ru.myitschool.lab23.databinding.ActivityMainBinding;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        ActivityMainBinding binding = ActivityMainBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+    }
+}
--- a/app/src/main/java/ru/myitschool/lab23/data/QuestionsCache.kt
+++ b/app/src/main/java/ru/myitschool/lab23/data/QuestionsCache.kt
@@ -0,0 +1,13 @@
+package ru.myitschool.lab23.data
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "questions_table")
+data class QuestionsCache(
+    @PrimaryKey @ColumnInfo(name = "id") val id: Int,
+    @ColumnInfo(name = "question") val question: String,
+    @ColumnInfo(name = "answer") val answer: String,
+    @ColumnInfo(name = "level") val level: Int
+)
--- a/app/src/main/java/ru/myitschool/lab23/data/QuestionsDao.kt
+++ b/app/src/main/java/ru/myitschool/lab23/data/QuestionsDao.kt
@@ -0,0 +1,10 @@
+package ru.myitschool.lab23.data
+
+import androidx.room.Dao
+
+@Dao
+interface QuestionsDao {
+
+    // TODO: add methods
+
+}
--- a/app/src/main/java/ru/myitschool/lab23/data/QuestionsDatabase.kt
+++ b/app/src/main/java/ru/myitschool/lab23/data/QuestionsDatabase.kt
@@ -0,0 +1,10 @@
+package ru.myitschool.lab23.data
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+
+@Database(entities = [QuestionsCache::class], version = 1)
+abstract class QuestionsDatabase : RoomDatabase() {
+
+    abstract fun questionsDao(): QuestionsDao
+}
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/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>
--- a/app/src/main/res/drawable/ic_launcher_foreground.xml
+++ b/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>
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context=".MainActivity">
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/mipmap-hdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="blue_200">#3E91FF</color>
+    <color name="blue_500">#0381FE</color>
+    <color name="blue_700">#0072DE</color>
+    <color name="teal_200">#3E91FF</color>
+    <color name="teal_700">#3E91FF</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Android Interview</string>
+</resources>
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -0,0 +1,22 @@
+<resources>
+    <!-- Base application theme. -->
+    <style name="Theme.Lab" parent="Theme.Material3.DayNight">
+        <!-- Primary color -->
+        <item name="colorPrimary">@color/blue_500</item>
+        <item name="colorPrimaryVariant">@color/blue_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary color -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Floating Action Button Container -->
+        <item name="colorPrimaryContainer">@color/blue_500</item>
+        <!--ActionBar -->
+        <item name="colorSurface">@color/blue_700</item>
+        <item name="colorOnSurface">@color/white</item>
+
+        <item name="android:navigationBarColor">@color/blue_200</item>
+        <item name="android:windowLightNavigationBar">true</item>
+    </style>
+
+</resources>
--- a/app/src/test/java/ru/myitschool/lab23/ExampleUnitTest.java
+++ b/app/src/test/java/ru/myitschool/lab23/ExampleUnitTest.java
@@ -0,0 +1,17 @@
+package ru.myitschool.lab23;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}