Merge pull request 'final tweaks' (#28) from dev into main

Reviewed-on: #28

.gitea/workflows/build.yaml

@@ -0,0 +1,40 @@
+name: Gitea Android Builder
+run-name: ${{ gitea.actor }} is building an Android application
+on:
+  push:
+    branches:
+      - pipeline-test
+
+jobs:
+  Build:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v4
+      - name: Set up JDK 23
+        uses: actions/setup-java@v4
+        with:
+          java-version: '23'
+          distribution: 'temurin'
+      - name: Set up Android SDK
+        uses: android-actions/setup-android@v3
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+      - name: Cache Gradle packages
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+      - name: Build with Gradle
+        uses: gradle/gradle-build-action@v2
+        with:
+          arguments: assembleDebug
+      - name: Upload .apk Artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: android-app-apk
+          path: app/build/outputs/apk/debug/*.apk
+      - name: Status
+        run: echo "This job's status is ${{ job.status }}."

.gitea/workflows/debug.yaml

@@ -0,0 +1,40 @@
+name: Gitea Android Builder
+run-name: ${{ gitea.actor }} is building an Android application
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  Build:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v4
+      - name: Set up JDK 23
+        uses: actions/setup-java@v4
+        with:
+          java-version: '23'
+          distribution: 'temurin'
+      - name: Set up Android SDK
+        uses: android-actions/setup-android@v3
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+      - name: Cache Gradle packages
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+      - name: Build with Gradle
+        uses: gradle/gradle-build-action@v2
+        with:
+          arguments: assembleDebug
+      - name: Upload .apk Artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: android-app-apk
+          path: app/build/outputs/apk/debug/*.apk
+      - name: Status
+        run: echo "This job's status is ${{ job.status }}."

.gitignore

@@ -0,0 +1,10 @@
+*.iml
+.gradle
+/local.properties
+/.idea
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

README.md

@@ -1,3 +1,5 @@
 # bitcoin-summarizer
 
 Open Source app that uses alternative.me API to check Bitcoin info
+
+:3

app/.gitignore

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

app/build.gradle.kts

@@ -0,0 +1,70 @@
+
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.kotlin.compose)
+}
+
+android {
+    namespace = "ru.vendetti.bitcoin_summarizer"
+    compileSdk = 35
+
+    defaultConfig {
+        applicationId = "ru.vendetti.bitcoin_summarizer"
+        minSdk = 29
+        targetSdk = 35
+        versionCode = 2
+        versionName = "1.2"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+    buildFeatures {
+        compose = true
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.ui)
+    implementation(libs.androidx.ui.graphics)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.material3)
+    implementation(libs.androidx.fragment.ktx)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.ui.test.junit4)
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
+
+    implementation(libs.retrofit)
+    implementation(libs.converter.gson)
+    implementation(libs.kotlinx.coroutines.android)
+    implementation(libs.kotlinx.coroutines.core)
+    implementation(libs.vico.compose.m3)
+    implementation(libs.cicerone)
+    implementation(libs.androidx.datastore)
+
+}

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

app/src/androidTest/java/ru/vendetti/bitcoin_summarizer/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package ru.vendetti.bitcoin_summarizer
+
+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("ru.vendetti.bitcoin_summarizer", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,28 @@
+<?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-permission android:name="android.permission.INTERNET" />
+    <application
+        android:name=".App"
+        android:allowBackup="false"
+        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="false"
+        android:theme="@style/Theme.BitcoinSummarizer"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:theme="@style/Theme.BitcoinSummarizer">
+            <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/ru/vendetti/bitcoin_summarizer/AboutFragment.kt

@@ -0,0 +1,224 @@
+package ru.vendetti.bitcoin_summarizer
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.text.selection.SelectionContainer
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Menu
+import androidx.compose.material.icons.filled.MoreVert
+import androidx.compose.material3.CenterAlignedTopAppBar
+import androidx.compose.material3.DrawerValue
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.MediumTopAppBar
+import androidx.compose.material3.ModalNavigationDrawer
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.material3.rememberDrawerState
+import androidx.compose.material3.rememberTopAppBarState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.platform.ClipboardManager
+import androidx.compose.ui.platform.ComposeView
+import androidx.compose.ui.platform.LocalClipboardManager
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.ExperimentalTextApi
+import androidx.compose.ui.text.LinkAnnotation
+import androidx.compose.ui.text.SpanStyle
+import androidx.compose.ui.text.TextLinkStyles
+import androidx.compose.ui.text.buildAnnotatedString
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.text.withLink
+import androidx.compose.ui.text.withStyle
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.fragment.app.Fragment
+import kotlinx.coroutines.launch
+import ru.vendetti.bitcoin_summarizer.ui.theme.BitcoinSummarizerTheme
+import ru.vendetti.bitcoin_summarizer.ui.theme.Flame
+
+class AboutFragment: Fragment() {
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        return inflater.inflate(R.layout.fragment_compose_view,
+            container,
+            false).apply {
+            findViewById<ComposeView>(R.id.compose_view).setContent {
+                BitcoinSummarizerTheme {
+                    AboutComposable()
+                }
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalTextApi::class)
+@Composable
+@Preview
+fun AboutComposable() {
+    val drawerState = rememberDrawerState(initialValue = DrawerValue.Closed)
+    val scope = rememberCoroutineScope()
+
+    ModalNavigationDrawer(
+        drawerState = drawerState,
+        drawerContent = {
+            MyHamburgerModal(ScreenKey.About)
+        }
+    ) {
+        Scaffold(
+            modifier = Modifier,
+
+            topBar = {
+                CenterAlignedTopAppBar(
+                    colors = TopAppBarDefaults.topAppBarColors(
+                        containerColor = MaterialTheme.colorScheme.primary,
+                        scrolledContainerColor = MaterialTheme.colorScheme.primary,
+                        titleContentColor = MaterialTheme.colorScheme.onPrimary,
+                        navigationIconContentColor = MaterialTheme.colorScheme.onPrimary,
+                        actionIconContentColor = MaterialTheme.colorScheme.onPrimary,
+                    ),
+                    title = {
+                        Text(
+                            "About",
+                            maxLines = 1,
+                            overflow = TextOverflow.Ellipsis
+                        )
+                    },
+                    navigationIcon = {
+                        IconButton(onClick = {
+                            scope.launch {
+                                drawerState.apply {
+                                    if(isClosed) open() else close()
+                                }
+                            }
+                        }) {
+                            Icon(
+                                imageVector = Icons.Filled.Menu,
+                                contentDescription = "Navigation hamburger menu"
+                            )
+                        }
+                    },
+                    scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior(rememberTopAppBarState())
+                )
+            },
+        )
+        { innerPadding ->
+            Box(
+                modifier = Modifier
+                    .background(Color.Transparent)
+                    .padding(innerPadding)
+                    .verticalScroll(rememberScrollState())
+            ) {
+                Column(
+                    modifier = Modifier
+                        .padding(16.dp, 16.dp, 16.dp, 36.dp)
+                ) {
+                    Icon(
+                        painter = painterResource(id = R.mipmap.ic_launcher_foreground),
+                        contentDescription = null,
+                        modifier = Modifier
+                            .width(160.dp)
+                            .height(160.dp)
+                            .align(Alignment.CenterHorizontally)
+                    )
+
+                    Spacer(modifier = Modifier.height(16.dp))
+                    Text(
+                        "Репозиторий проекта",
+                        modifier = Modifier
+                            .align(alignment = Alignment.CenterHorizontally),
+                        fontSize = 24.sp
+                    )
+                    Spacer(modifier = Modifier.height(16.dp))
+
+                    val repositoryLinkString = buildAnnotatedString {
+                        withLink(LinkAnnotation.Url(
+                            url = "https://git.vendetti.ru/andy/bitcoin-summarizer/tags",
+                            styles = TextLinkStyles(style = SpanStyle(color = Flame))
+                        )
+                        ) {
+                            append("Ссылка на репозиторий")
+                        }
+                    }
+                    Text(text = repositoryLinkString)
+
+                    Spacer(modifier = Modifier.height(16.dp))
+                    HorizontalDivider()
+                    Spacer(modifier = Modifier.height(16.dp))
+
+                    Text(
+                        "Авторы",
+                        modifier = Modifier
+                            .align(alignment = Alignment.CenterHorizontally),
+                        fontSize = 24.sp
+                    )
+                    Spacer(modifier = Modifier.height(16.dp))
+
+                    Text("Студенты гр. 9ИСП-42-21, ГБПОУ УКРТБ")
+                    Spacer(modifier = Modifier.height(16.dp))
+
+                    Text("Васильев Андрей Дмитриевич - Back-end: CI/CD (Continuous Integration), Api interactions, Database interactions")
+                    Spacer(modifier = Modifier.height(8.dp))
+                    SelectionContainer {
+                        Text("andy@vendetti.ru", color = Flame)
+                    }
+                    Spacer(modifier = Modifier.height(16.dp))
+
+                    Text("Зубарев Артемий Альбертович - Front-end: Charts, App navigation (Cicerone)")
+
+                    Spacer(modifier = Modifier.height(8.dp))
+                    SelectionContainer {
+                        Text("artemiy.work32@gmail.com", color = Flame)
+                    }
+
+                    Spacer(modifier = Modifier.height(16.dp))
+                    HorizontalDivider()
+                    Spacer(modifier = Modifier.height(16.dp))
+
+                    Text(
+                        "Используемый API",
+                        modifier = Modifier
+                            .align(alignment = Alignment.CenterHorizontally),
+                        fontSize = 24.sp
+                    )
+
+                    val apiLinkString = buildAnnotatedString {
+                        withLink(LinkAnnotation.Url(
+                            url = "https://alternative.me/crypto/api/",
+                            styles = TextLinkStyles(style = SpanStyle(color = Flame))
+                        )
+                        ) {
+                            append("Ссылка на API")
+                        }
+                    }
+                    Text(text = apiLinkString)
+                }
+            }
+        }
+    }
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/App.kt

@@ -0,0 +1,23 @@
+package ru.vendetti.bitcoin_summarizer
+
+import android.app.Application
+import android.os.Debug
+import android.util.Log
+import com.github.terrakok.cicerone.Cicerone
+
+class App : Application() {
+    private val cicerone = Cicerone.create()
+    val router get() = cicerone.router
+    val navigatorHolder get() = cicerone.getNavigatorHolder()
+
+    override fun onCreate() {
+        super.onCreate()
+        INSTANCE = this
+        Log.println(Log.DEBUG, "App", "Instance is $INSTANCE")
+    }
+
+    companion object {
+        internal lateinit var INSTANCE: App
+            private set
+    }
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/CryptoApiService.kt

@@ -0,0 +1,22 @@
+package ru.vendetti.bitcoin_summarizer
+
+import retrofit2.Response
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+// Retrofit-API-интерфейс
+interface CryptoApiService {
+    // Получение индекса страха и жадности (по умолчанию за 30 дней)
+    @GET("fng/")
+    suspend fun getFearAndGreedIndex(
+        @Query("limit") limit: Int = 30
+    ): Response<FearAndGreedResponse>
+
+    // Получение глобальной информации
+    @GET("v1/global/")
+    suspend fun getGlobalData(): Response<GlobalResponse>
+
+    // Получение данных Bitcoin
+    @GET("v1/ticker/bitcoin/")
+    suspend fun getBitcoinTicker(): Response<TickerResponse>
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/CryptoFragment.kt

@@ -0,0 +1,521 @@
+package ru.vendetti.bitcoin_summarizer
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.pm.PackageManager
+import android.os.Bundle
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Menu
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.ButtonColors
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.CenterAlignedTopAppBar
+import androidx.compose.material3.DrawerValue
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.ModalNavigationDrawer
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.material3.rememberDrawerState
+import androidx.compose.material3.rememberTopAppBarState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.platform.ComposeView
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.compose.ui.window.Dialog
+import androidx.core.content.ContextCompat
+import androidx.fragment.app.Fragment
+import com.google.gson.Gson
+import com.patrykandpatrick.vico.compose.cartesian.CartesianChartHost
+import com.patrykandpatrick.vico.compose.cartesian.axis.rememberAxisLabelComponent
+import com.patrykandpatrick.vico.compose.cartesian.axis.rememberAxisLineComponent
+import com.patrykandpatrick.vico.compose.cartesian.axis.rememberBottom
+import com.patrykandpatrick.vico.compose.cartesian.axis.rememberStart
+import com.patrykandpatrick.vico.compose.cartesian.layer.rememberLine
+import com.patrykandpatrick.vico.compose.cartesian.layer.rememberLineCartesianLayer
+import com.patrykandpatrick.vico.compose.cartesian.rememberCartesianChart
+import com.patrykandpatrick.vico.compose.cartesian.rememberVicoScrollState
+import com.patrykandpatrick.vico.compose.cartesian.rememberVicoZoomState
+import com.patrykandpatrick.vico.compose.common.component.rememberTextComponent
+import com.patrykandpatrick.vico.compose.common.component.shapeComponent
+import com.patrykandpatrick.vico.compose.common.fill
+import com.patrykandpatrick.vico.compose.common.shape.rounded
+import com.patrykandpatrick.vico.compose.common.vicoTheme
+import com.patrykandpatrick.vico.core.cartesian.Zoom
+import com.patrykandpatrick.vico.core.cartesian.axis.HorizontalAxis
+import com.patrykandpatrick.vico.core.cartesian.axis.VerticalAxis
+import com.patrykandpatrick.vico.core.cartesian.data.CartesianChartModelProducer
+import com.patrykandpatrick.vico.core.cartesian.data.CartesianLayerRangeProvider
+import com.patrykandpatrick.vico.core.cartesian.data.lineSeries
+import com.patrykandpatrick.vico.core.cartesian.decoration.HorizontalLine
+import com.patrykandpatrick.vico.core.cartesian.layer.LineCartesianLayer
+import com.patrykandpatrick.vico.core.common.Position
+import com.patrykandpatrick.vico.core.common.component.LineComponent
+import com.patrykandpatrick.vico.core.common.component.TextComponent
+import com.patrykandpatrick.vico.core.common.shape.CorneredShape
+import kotlinx.coroutines.launch
+import ru.vendetti.bitcoin_summarizer.ui.theme.BitcoinSummarizerTheme
+import ru.vendetti.bitcoin_summarizer.ui.theme.Flame
+import ru.vendetti.bitcoin_summarizer.ui.theme.Green2
+import java.io.FileInputStream
+import java.io.FileOutputStream
+import java.lang.StringBuilder
+import java.text.DecimalFormat
+import java.time.Instant
+import java.time.format.DateTimeFormatter
+
+class CryptoFragment: Fragment() {
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        return inflater.inflate(R.layout.fragment_compose_view,
+            container,
+            false).apply {
+            findViewById<ComposeView>(R.id.compose_view).setContent {
+                BitcoinSummarizerTheme {
+                    CryptoComposable()
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun ShowAlertDialog(
+    onDismissRequest: () -> Unit,
+    onConfirmation: () -> Unit,
+    dialogTitle: String,
+    dialogText: String,
+) {
+    AlertDialog(
+        icon = {},
+        title = {
+            Text(text = dialogTitle)
+        },
+        text = {
+            Text(text = dialogText)
+        },
+        onDismissRequest = {
+            onDismissRequest()
+        },
+        confirmButton = {},
+        dismissButton = {
+            TextButton(
+                onClick = {
+                    onDismissRequest()
+                }
+            ) {
+                Text(
+                    text = "Окей",
+                    color = MaterialTheme.colorScheme.onPrimary
+                )
+            }
+        },
+        containerColor = MaterialTheme.colorScheme.primary,
+        titleContentColor = MaterialTheme.colorScheme.onPrimary,
+        textContentColor = MaterialTheme.colorScheme.onPrimary,
+    )
+}
+
+@SuppressLint("MutableCollectionMutableState", "SimpleDateFormat")
+@OptIn(ExperimentalMaterial3Api::class)
+@Preview
+@Composable
+fun CryptoComposable() {
+    val openAlertDialog1 = remember { mutableStateOf(false) }
+    val openAlertDialog2 = remember { mutableStateOf(false) }
+
+    // Создаем репозиторий для работы с API
+    val cryptoRepository = remember { CryptoRepository(RetrofitClient.apiService) }
+    // Состояния для хранения результатов запросов
+    var bitcoinTicker by remember { mutableStateOf(TickerData()) }
+    var globalData by remember { mutableStateOf(GlobalResponse()) }
+    var fearGreedDataList by remember { mutableStateOf(ArrayList<FearAndGreedData>()) }
+
+    var fearGreedIndexDaysCount by remember { mutableIntStateOf(30) }
+
+    val gson = Gson()
+
+    val context = LocalContext.current
+
+    when {
+        openAlertDialog1.value -> {
+            ShowAlertDialog(
+                onDismissRequest = {openAlertDialog1.value = false},
+                onConfirmation = {},
+                dialogTitle = "Внимание!",
+                dialogText = "Отсутствует интернет-подключение, загружаю сохраненные данные. " +
+                        "" +
+                        "Обратите внимание, что данные могут быть неактуальными.",
+            )
+        }
+        openAlertDialog2.value -> {
+            ShowAlertDialog(
+                onDismissRequest = {
+                    openAlertDialog2.value = false
+                    App.INSTANCE.router.exit()
+                                   },
+                onConfirmation = {},
+                dialogTitle = "Внимание!",
+                dialogText = "При первом подключении необходимо подключение к интернету!",
+            )
+        }
+    }
+
+    // Запускаем корутину для выполнения сетевых запросов
+    LaunchedEffect(fearGreedIndexDaysCount, context) {
+        try {
+            // Запрос Bitcoin Ticker
+            val tickerResponse = cryptoRepository.fetchBitcoinTicker()
+            bitcoinTicker = tickerResponse!!.first()
+
+            // Запрос глобальных данных
+            val globalResponse = cryptoRepository.fetchGlobalData()
+            globalData = globalResponse!!
+
+            // Запрос индекса страха и жадности
+            val fearResponse = cryptoRepository.fetchFearAndGreedData(fearGreedIndexDaysCount)
+            fearGreedDataList = fearResponse?.dataList as ArrayList<FearAndGreedData>
+            fearGreedDataList.reverse()
+
+            // *** Сохраняем на диск ***
+            // 1) Сбор данных в один класс
+            val fullStatistics = StatisticsFull(
+                FGI_list = fearGreedDataList,
+                TickerData = bitcoinTicker,
+                GlobalData = globalData,
+            )
+
+            // 2) Перевод класса в json-строку
+            val statisticsJsonString = gson.toJson(fullStatistics)
+
+            // 3) Сохранение в файл во внутреннем хранилище
+            val fos: FileOutputStream =
+                context.openFileOutput("statistics.txt", Context.MODE_PRIVATE)
+            fos.write(statisticsJsonString.toByteArray())
+            fos.flush()
+            fos.close()
+        }
+        catch (e: Exception) {
+            try {
+                // *** Загрузка данных из файла ***
+                // 1) Получение строки из файла
+                val fis: FileInputStream =
+                    context.openFileInput("statistics.txt")
+                var a: Int
+                val temp = StringBuilder()
+                while (fis.read().also { a = it } != -1) {
+                    temp.append(a.toChar())
+                }
+
+                // Показ предупреждения.
+                openAlertDialog1.value = true
+
+                val statisticsJsonString = temp.toString()
+
+                // 2) Перевод строки в класс
+                val statisticsFull = gson.fromJson(statisticsJsonString, StatisticsFull::class.java)
+
+                // 3) Распределение данных по переменным
+                bitcoinTicker = statisticsFull.TickerData
+                globalData = statisticsFull.GlobalData
+                fearGreedDataList = statisticsFull.FGI_list
+            }
+            catch (e: Exception) {
+                openAlertDialog2.value = true
+            }
+        }
+    }
+
+    val modelProducer = remember { CartesianChartModelProducer() }
+
+    LaunchedEffect(fearGreedDataList) {
+        modelProducer.runTransaction {
+            var numberValues = Array(fearGreedDataList.count()) {
+                    index ->
+                fearGreedDataList[index]
+                    .value.toInt()
+            }
+
+            if(numberValues.isEmpty())
+                numberValues = Array(1) {0}
+
+            lineSeries { series(numberValues.toList()) }
+        }
+    }
+
+    val scrollBehavior = TopAppBarDefaults.enterAlwaysScrollBehavior(rememberTopAppBarState())
+
+    // Отображаем результаты на странице
+
+    val drawerState = rememberDrawerState(initialValue = DrawerValue.Closed)
+    val scope = rememberCoroutineScope()
+
+    ModalNavigationDrawer(
+        drawerState = drawerState,
+        drawerContent = {
+            MyHamburgerModal(ScreenKey.Crypto)
+        }
+    ) {
+        Scaffold(
+            modifier = Modifier
+                .nestedScroll(scrollBehavior.nestedScrollConnection),
+
+            topBar = {
+                CenterAlignedTopAppBar(
+                    colors = TopAppBarDefaults.topAppBarColors(
+                        containerColor = MaterialTheme.colorScheme.primary,
+                        scrolledContainerColor = MaterialTheme.colorScheme.primary,
+                        titleContentColor = MaterialTheme.colorScheme.onPrimary,
+                        navigationIconContentColor = MaterialTheme.colorScheme.onPrimary,
+                        actionIconContentColor = MaterialTheme.colorScheme.onPrimary,
+                    ),
+                    title = {
+                        Text(
+                            "Crypto statistics",
+                            maxLines = 1,
+                            overflow = TextOverflow.Ellipsis
+                        )
+                    },
+                    navigationIcon = {
+                        IconButton(onClick = {
+                            scope.launch {
+                                drawerState.apply {
+                                    if(isClosed) open() else close()
+                                }
+                            }
+                        }) {
+                            Icon(
+                                imageVector = Icons.Filled.Menu,
+                                contentDescription = "Navigation hamburger menu"
+                            )
+                        }
+                    },
+                    scrollBehavior = scrollBehavior
+                )
+            },
+        )
+        { innerPadding ->
+            Box(
+                modifier = Modifier
+                    .background(Color.Transparent)
+                    .padding(innerPadding)
+                    .verticalScroll(rememberScrollState())
+            ) {
+                Column(
+                    modifier = Modifier
+                        .padding(16.dp, 16.dp, 16.dp, 36.dp)
+                ) {
+                    /* Fear Greed Chart Start */
+                    Spacer(modifier = Modifier.height(16.dp))
+                    Text(
+                        "Индекс страха/жадности",
+                        modifier = Modifier
+                            .align(alignment = Alignment.CenterHorizontally),
+                        fontSize = 24.sp
+                    )
+                    Spacer(modifier = Modifier.height(16.dp))
+                    if (fearGreedDataList.count() > 1) {
+                        CartesianChartHost(
+                            zoomState = rememberVicoZoomState(
+                                zoomEnabled = true,
+                                initialZoom = Zoom.x(fearGreedIndexDaysCount.toDouble()),
+                            ),
+                            scrollState = rememberVicoScrollState(scrollEnabled = true),
+                            chart = rememberCartesianChart(
+                                rememberLineCartesianLayer(
+                                    lineProvider = LineCartesianLayer.LineProvider.series(
+                                        vicoTheme.lineCartesianLayerColors.map { _ ->
+                                            LineCartesianLayer
+                                                .rememberLine(
+                                                    LineCartesianLayer.LineFill.single(
+                                                        fill(MaterialTheme.colorScheme.onPrimary)
+                                                    )
+                                                )
+                                        }
+                                    ),
+                                    rangeProvider = remember {
+                                        CartesianLayerRangeProvider.fixed(
+                                            minY = 0.0,
+                                            maxY = 100.0,
+                                        )
+                                    }
+                                ),
+                                startAxis = VerticalAxis.rememberStart(
+                                    title = "FGI",
+                                    titleComponent = rememberTextComponent(MaterialTheme.colorScheme.onPrimary),
+                                    line = rememberAxisLineComponent(fill(MaterialTheme.colorScheme.onPrimary)),
+                                    label = rememberAxisLabelComponent(MaterialTheme.colorScheme.onPrimary)
+                                ),
+                                bottomAxis = HorizontalAxis.rememberBottom(
+                                    valueFormatter = { _, value, _ ->
+                                        val date = DateTimeFormatter.ISO_INSTANT
+                                            .format(Instant.ofEpochSecond(fearGreedDataList[value.toInt()].timestamp.toLong()))
+                                        val dateComponents = date.split("T")[0].split("-")
+                                        // returns dd.mm
+                                        "${dateComponents[2]}.${dateComponents[1]}"
+                                    },
+                                    title = "last $fearGreedIndexDaysCount days",
+                                    titleComponent = rememberTextComponent(MaterialTheme.colorScheme.onPrimary),
+                                    line = rememberAxisLineComponent(fill(MaterialTheme.colorScheme.onPrimary)),
+                                    label = rememberAxisLabelComponent(MaterialTheme.colorScheme.onPrimary)
+                                ),
+                                decorations = listOf(
+                                    remember {
+                                        HorizontalLine(
+                                            y = { 25.toDouble() },
+                                            line = LineComponent(fill(Flame), 1f),
+                                            labelComponent = TextComponent(
+                                                background =
+                                                    shapeComponent(
+                                                        fill(Flame),
+                                                        CorneredShape.rounded(
+                                                            topLeft = 4.dp,
+                                                            topRight = 4.dp
+                                                        )
+                                                    ),
+                                            ),
+                                            label = { "Страх" },
+                                            verticalLabelPosition = Position.Vertical.Top
+                                        )
+                                    },
+                                    remember {
+                                        HorizontalLine(
+                                            y = { 70.toDouble() },
+                                            line = LineComponent(fill(Green2), 1f),
+                                            labelComponent = TextComponent(
+                                                background =
+                                                    shapeComponent(
+                                                        fill(Green2),
+                                                        CorneredShape.rounded(
+                                                            bottomLeft = 4.dp,
+                                                            bottomRight = 4.dp
+                                                        )
+                                                    ),
+                                            ),
+                                            label = { "Жадность" },
+                                            verticalLabelPosition = Position.Vertical.Bottom
+                                        )
+                                    }
+                                ),
+                            ),
+                            modelProducer = modelProducer,
+                        )
+                    } else {
+                        Text("Загрузка...")
+                    }
+                    /* Fear Greed Chart End */
+                    Spacer(modifier = Modifier.height(16.dp))
+                    HorizontalDivider(thickness = 2.dp)
+                    Spacer(modifier = Modifier.height(16.dp))
+                    Text(
+                        "Данные о Биткоине",
+                        modifier = Modifier
+                            .align(alignment = Alignment.CenterHorizontally),
+                        fontSize = 24.sp
+                    )
+                    Spacer(modifier = Modifier.height(16.dp))
+                    val decimalFormatter = DecimalFormat("0.00")
+                    val largeNumberFormatter = DecimalFormat("#,###")
+
+                    if (bitcoinTicker.lastUpdated.isNotEmpty()) {
+                        Text("Текущая цена: \n \$ ${decimalFormatter.format(bitcoinTicker.priceUsd.toFloat())}\n")
+                        Text("Суточный оборот: \n \$ ${largeNumberFormatter.format(bitcoinTicker.volume24hUsd.toFloat())}\n")
+                        Text("Капитализация: \n \$ ${largeNumberFormatter.format(bitcoinTicker.marketCapUsd.toFloat())}\n")
+                        Text(
+                            "Изменение курса за: " +
+                                    "\n Сутки: ${decimalFormatter.format(bitcoinTicker.percentChange24h.toFloat())}% " +
+                                    "\n Неделю: ${decimalFormatter.format(bitcoinTicker.percentChange7d.toFloat())}%\n"
+                        )
+
+                        val humanDate = DateTimeFormatter.ISO_INSTANT
+                            .format(Instant.ofEpochSecond(bitcoinTicker.lastUpdated.toLong()))
+
+                        Text(
+                            "Время последнего обновления: \n ${humanDate.split("T")[0]}, " +
+                                    "${
+                                        humanDate.split("T")[1].replace(
+                                            Regex(":[0-9]+[A-Z]"),
+                                            ""
+                                        )
+                                    }\n"
+                        )
+                    } else {
+                        Text("Загрузка...")
+                    }
+                    HorizontalDivider(thickness = 2.dp)
+                    Spacer(modifier = Modifier.height(16.dp))
+                    Text(
+                        "Глобальные данные",
+                        modifier = Modifier
+                            .align(alignment = Alignment.CenterHorizontally),
+                        fontSize = 24.sp
+                    )
+                    Spacer(modifier = Modifier.height(16.dp))
+                    if (globalData.totalMarketCapUsd.isNotEmpty()) {
+                        Text(
+                            "Общая капитализация крипторынка: \n \$ ${
+                                largeNumberFormatter.format(
+                                    globalData.totalMarketCapUsd.toFloat()
+                                )
+                            }\n"
+                        )
+                        Text("Всего тикеров: \n ${globalData.activeCryptocurrencies}\n")
+                        Text(
+                            "Суточный оборот всех криптовалют: \n \$ ${
+                                largeNumberFormatter.format(
+                                    globalData.total24hVolumeUsd.toFloat()
+                                )
+                            }\n"
+                        )
+                        Text("Процент доминации Биткоина: \n ${decimalFormatter.format(globalData.bitcoinPercentageOfMarketCap.toFloat())}%\n")
+                    } else {
+                        Text("Загрузка...")
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/CryptoRepository.kt

@@ -0,0 +1,58 @@
+package ru.vendetti.bitcoin_summarizer
+
+//Репозиторий для обработки запросов
+class CryptoRepository(private val apiService: CryptoApiService) {
+    /**
+     * Запрашивает данные для Bitcoin-тикера
+     */
+    suspend fun fetchBitcoinTicker(): TickerResponse? {
+        return try {
+            val response = apiService.getBitcoinTicker()
+            if (response.isSuccessful) {
+                response.body()
+            } else {
+                println("Ошибка запроса Bitcoin Ticker: ${response.code()}")
+                null
+            }
+        } catch (e: Exception) {
+            println("Exception при получении Bitcoin Ticker: ${e.localizedMessage}")
+            null
+        }
+    }
+
+    /**
+     * Запрашивает глобальные данные крипторынка
+     */
+    suspend fun fetchGlobalData(): GlobalResponse? {
+        return try {
+            val response = apiService.getGlobalData()
+            if (response.isSuccessful) {
+                response.body()
+            } else {
+                println("Ошибка запроса Global Data: ${response.code()}")
+                null
+            }
+        } catch (e: Exception) {
+            println("Exception при получении Global Data: ${e.localizedMessage}")
+            null
+        }
+    }
+
+    /**
+     * Запрашивает индекс страха и жадности за указанный период (по умолчанию 30 дней)
+     */
+    suspend fun fetchFearAndGreedData(limit: Int = 30): FearAndGreedResponse? {
+        return try {
+            val response = apiService.getFearAndGreedIndex(limit)
+            if (response.isSuccessful) {
+                response.body()
+            } else {
+                println("Ошибка запроса Fear & Greed Index: ${response.code()}")
+                null
+            }
+        } catch (e: Exception) {
+            println("Exception при получении Fear & Greed Index: ${e.localizedMessage}")
+            null
+        }
+    }
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/FearAndGreedResponse.kt

@@ -0,0 +1,23 @@
+package ru.vendetti.bitcoin_summarizer
+
+import com.google.gson.annotations.SerializedName
+
+// Обёртка для данных (тут вложенность есть и это API v2, а не v1, поэтому чуть сложнее структура, чем в GlobalResponse.kt)
+data class FearAndGreedResponse(
+    @SerializedName("name")
+    val name: String,
+    @SerializedName("data")
+    val dataList: List<FearAndGreedData>
+)
+
+// Сами данные
+data class FearAndGreedData(
+    @SerializedName("value")
+    val value: String,
+    @SerializedName("value_classification")
+    val valueClassification: String,
+    @SerializedName("timestamp")
+    val timestamp: String,
+    @SerializedName("time_until_update")
+    val timeUntilUpdate: String
+)

app/src/main/java/ru/vendetti/bitcoin_summarizer/GlobalResponse.kt

@@ -0,0 +1,11 @@
+package ru.vendetti.bitcoin_summarizer
+
+import com.google.gson.annotations.SerializedName
+
+// Данные
+data class GlobalResponse(
+    @SerializedName("active_currencies") val activeCryptocurrencies: String = "",
+    @SerializedName("total_market_cap_usd") val totalMarketCapUsd: String = "",
+    @SerializedName("total_24h_volume_usd") val total24hVolumeUsd: String = "",
+    @SerializedName("bitcoin_percentage_of_market_cap") val bitcoinPercentageOfMarketCap: String = "0.0"
+)

app/src/main/java/ru/vendetti/bitcoin_summarizer/LearnFragment.kt

@@ -0,0 +1,126 @@
+package ru.vendetti.bitcoin_summarizer
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Menu
+import androidx.compose.material.icons.filled.MoreVert
+import androidx.compose.material3.CenterAlignedTopAppBar
+import androidx.compose.material3.DrawerValue
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.MediumTopAppBar
+import androidx.compose.material3.ModalNavigationDrawer
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.material3.rememberDrawerState
+import androidx.compose.material3.rememberTopAppBarState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.platform.ComposeView
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.fragment.app.Fragment
+import kotlinx.coroutines.launch
+import ru.vendetti.bitcoin_summarizer.ui.theme.BitcoinSummarizerTheme
+
+class LearnFragment: Fragment() {
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        return inflater.inflate(R.layout.fragment_compose_view,
+            container,
+            false).apply {
+            findViewById<ComposeView>(R.id.compose_view).setContent {
+                BitcoinSummarizerTheme {
+                    LearnComposable()
+                }
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+@Preview
+fun LearnComposable() {
+    val drawerState = rememberDrawerState(initialValue = DrawerValue.Closed)
+    val scope = rememberCoroutineScope()
+
+    ModalNavigationDrawer(
+        drawerState = drawerState,
+        drawerContent = {
+            MyHamburgerModal(ScreenKey.Learn)
+        }
+    ) {
+        Scaffold(
+            modifier = Modifier,
+
+            topBar = {
+                CenterAlignedTopAppBar(
+                    colors = TopAppBarDefaults.topAppBarColors(
+                        containerColor = MaterialTheme.colorScheme.primary,
+                        scrolledContainerColor = MaterialTheme.colorScheme.primary,
+                        titleContentColor = MaterialTheme.colorScheme.onPrimary,
+                        navigationIconContentColor = MaterialTheme.colorScheme.onPrimary,
+                        actionIconContentColor = MaterialTheme.colorScheme.onPrimary,
+                    ),
+                    title = {
+                        Text(
+                            "Learn",
+                            maxLines = 1,
+                            overflow = TextOverflow.Ellipsis
+                        )
+                    },
+                    navigationIcon = {
+                        IconButton(onClick = {
+                            scope.launch {
+                                drawerState.apply {
+                                    if(isClosed) open() else close()
+                                }
+                            }
+                        }) {
+                            Icon(
+                                imageVector = Icons.Filled.Menu,
+                                contentDescription = "Navigation hamburger menu"
+                            )
+                        }
+                    },
+                    scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior(rememberTopAppBarState())
+                )
+            },
+        )
+        { innerPadding ->
+            Box(
+                modifier = Modifier
+                    .background(Color.Transparent)
+                    .padding(innerPadding)
+                    .verticalScroll(rememberScrollState())
+            ) {
+                Column (
+                        modifier = Modifier
+                            .padding(16.dp, 16.dp, 16.dp, 36.dp)
+                        ) {
+
+                }
+            }
+        }
+    }
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/MainActivity.kt

@@ -0,0 +1,99 @@
+package ru.vendetti.bitcoin_summarizer
+
+import android.annotation.SuppressLint
+import android.os.Bundle
+import android.widget.FrameLayout
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Menu
+import androidx.compose.material.icons.filled.MoreVert
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.MediumTopAppBar
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.material3.rememberTopAppBarState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.fragment.app.FragmentActivity
+import com.github.terrakok.cicerone.androidx.AppNavigator
+import com.patrykandpatrick.vico.compose.cartesian.CartesianChartHost
+import com.patrykandpatrick.vico.compose.cartesian.axis.rememberAxisLabelComponent
+import com.patrykandpatrick.vico.compose.cartesian.axis.rememberAxisLineComponent
+import com.patrykandpatrick.vico.compose.cartesian.axis.rememberBottom
+import com.patrykandpatrick.vico.compose.cartesian.axis.rememberStart
+import com.patrykandpatrick.vico.compose.cartesian.layer.rememberLine
+import com.patrykandpatrick.vico.compose.cartesian.layer.rememberLineCartesianLayer
+import com.patrykandpatrick.vico.compose.cartesian.rememberCartesianChart
+import com.patrykandpatrick.vico.compose.cartesian.rememberVicoZoomState
+import com.patrykandpatrick.vico.compose.common.component.rememberTextComponent
+import com.patrykandpatrick.vico.compose.common.component.shapeComponent
+import com.patrykandpatrick.vico.compose.common.fill
+import com.patrykandpatrick.vico.compose.common.shape.rounded
+import com.patrykandpatrick.vico.compose.common.vicoTheme
+import com.patrykandpatrick.vico.core.cartesian.Zoom
+import com.patrykandpatrick.vico.core.cartesian.axis.HorizontalAxis
+import com.patrykandpatrick.vico.core.cartesian.axis.VerticalAxis
+import com.patrykandpatrick.vico.core.cartesian.data.CartesianChartModelProducer
+import com.patrykandpatrick.vico.core.cartesian.data.CartesianLayerRangeProvider
+import com.patrykandpatrick.vico.core.cartesian.data.lineSeries
+import com.patrykandpatrick.vico.core.cartesian.decoration.HorizontalLine
+import com.patrykandpatrick.vico.core.cartesian.layer.LineCartesianLayer
+import com.patrykandpatrick.vico.core.common.Position
+import com.patrykandpatrick.vico.core.common.component.LineComponent
+import com.patrykandpatrick.vico.core.common.component.TextComponent
+import com.patrykandpatrick.vico.core.common.shape.CorneredShape
+import ru.vendetti.bitcoin_summarizer.ui.theme.BitcoinSummarizerTheme
+import ru.vendetti.bitcoin_summarizer.ui.theme.Flame
+import ru.vendetti.bitcoin_summarizer.ui.theme.Green2
+import java.text.DecimalFormat
+import java.time.format.DateTimeFormatter
+
+class MainActivity : FragmentActivity() {
+
+    private val navigator = AppNavigator(this, R.id.container)
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.fragment_container_main)
+
+        // start the root fragment
+        App.INSTANCE.router.newRootScreen(Screens.Crypto)
+    }
+
+    override fun onResumeFragments() {
+        super.onResumeFragments()
+        App.INSTANCE.navigatorHolder.setNavigator(navigator)
+    }
+
+    override fun onPause() {
+        App.INSTANCE.navigatorHolder.removeNavigator()
+        super.onPause()
+    }
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/MyHamburgerModal.kt

@@ -0,0 +1,72 @@
+package ru.vendetti.bitcoin_summarizer
+
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.ModalDrawerSheet
+import androidx.compose.material3.NavigationDrawerItem
+import androidx.compose.material3.NavigationDrawerItemColors
+import androidx.compose.material3.NavigationDrawerItemDefaults
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import ru.vendetti.bitcoin_summarizer.ui.theme.BitcoinSummarizerTheme
+
+@Composable
+fun MyHamburgerModal(
+    screenKey: ScreenKey
+) {
+    ModalDrawerSheet(
+        drawerContainerColor = MaterialTheme.colorScheme.primary,
+        drawerContentColor = MaterialTheme.colorScheme.onPrimary,
+    ) {
+        Text("Bitcoin summarizer",
+            modifier = Modifier.padding(16.dp),
+            fontSize = 24.sp)
+        HorizontalDivider()
+        NavigationDrawerItem(
+            colors = NavigationDrawerItemDefaults.colors(
+                selectedContainerColor = MaterialTheme.colorScheme.tertiary,
+                selectedTextColor = MaterialTheme.colorScheme.onTertiary,
+                unselectedTextColor = MaterialTheme.colorScheme.onPrimary,
+            ),
+            label = { Text("Crypto statistics") },
+            selected = (screenKey == ScreenKey.Crypto),
+            onClick = {
+                if (screenKey != ScreenKey.Crypto) {
+                    App.INSTANCE.router.replaceScreen(Screens.Crypto)
+                }
+            }
+        )
+        NavigationDrawerItem(
+            colors = NavigationDrawerItemDefaults.colors(
+                selectedContainerColor = MaterialTheme.colorScheme.tertiary,
+                selectedTextColor = MaterialTheme.colorScheme.onTertiary,
+                unselectedTextColor = MaterialTheme.colorScheme.onPrimary,
+            ),
+            label = { Text("About") },
+            selected = (screenKey == ScreenKey.About),
+            onClick = {
+                if (screenKey != ScreenKey.About) {
+                    App.INSTANCE.router.replaceScreen(Screens.About)
+                }
+            }
+        )
+        /*NavigationDrawerItem(
+            colors = NavigationDrawerItemDefaults.colors(
+                selectedContainerColor = MaterialTheme.colorScheme.tertiary,
+                selectedTextColor = MaterialTheme.colorScheme.onTertiary,
+                unselectedTextColor = MaterialTheme.colorScheme.onPrimary,
+            ),
+            label = { Text("Learn") },
+            selected = (screenKey == ScreenKey.Learn),
+            onClick = {
+                if (screenKey != ScreenKey.Learn) {
+                    App.INSTANCE.router.replaceScreen(Screens.Learn)
+                }
+            }
+        )*/
+    }
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/RetrofitClient.kt

@@ -0,0 +1,16 @@
+package ru.vendetti.bitcoin_summarizer
+
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+
+object RetrofitClient {
+    private const val BASE_URL = "https://api.alternative.me/"
+
+    val apiService: CryptoApiService by lazy {
+        Retrofit.Builder()
+            .baseUrl(BASE_URL)
+            .addConverterFactory(GsonConverterFactory.create())
+            .build()
+            .create(CryptoApiService::class.java)
+    }
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/Screens.kt

@@ -0,0 +1,23 @@
+package ru.vendetti.bitcoin_summarizer
+
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentFactory
+import com.github.terrakok.cicerone.androidx.FragmentScreen
+
+class Screens {
+    object Crypto: FragmentScreen {
+        override fun createFragment(factory: FragmentFactory) = CryptoFragment()
+    }
+    object About: FragmentScreen {
+        override fun createFragment(factory: FragmentFactory) = AboutFragment()
+    }
+    object Learn: FragmentScreen {
+        override fun createFragment(factory: FragmentFactory) = LearnFragment()
+    }
+}
+
+enum class ScreenKey {
+    Crypto,
+    About,
+    Learn
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/StatisticsFull.kt

@@ -0,0 +1,7 @@
+package ru.vendetti.bitcoin_summarizer
+
+class StatisticsFull (
+    val FGI_list: ArrayList<FearAndGreedData>,
+    val TickerData: TickerData,
+    val GlobalData: GlobalResponse,
+)

app/src/main/java/ru/vendetti/bitcoin_summarizer/TickerResponse.kt

@@ -0,0 +1,25 @@
+package ru.vendetti.bitcoin_summarizer
+
+import com.google.gson.annotations.SerializedName
+
+// Обёртка для данных (тут json-массив с одним элементом, поэтому выглядит так)
+typealias TickerResponse = List<TickerData>
+
+// Сами данные
+data class TickerData(
+    val id: String = "",
+    val name: String = "",
+    val symbol: String = "",
+    val rank: String = "",
+    @SerializedName("price_usd") val priceUsd: String = "0.0",
+    @SerializedName("price_btc") val priceBtc: String = "0.0",
+    @SerializedName("24h_volume_usd") val volume24hUsd: String = "0",
+    @SerializedName("market_cap_usd") val marketCapUsd: String = "0",
+    @SerializedName("available_supply") val availableSupply: String = "0",
+    @SerializedName("total_supply") val totalSupply: String = "0",
+    @SerializedName("max_supply") val maxSupply: String? = "0",
+    @SerializedName("percent_change_1h") val percentChange1h: String = "0",
+    @SerializedName("percent_change_24h") val percentChange24h: String = "0.0",
+    @SerializedName("percent_change_7d") val percentChange7d: String = "0.0",
+    @SerializedName("last_updated") val lastUpdated: String = ""
+)

app/src/main/java/ru/vendetti/bitcoin_summarizer/ui/theme/Color.kt

@@ -0,0 +1,19 @@
+package ru.vendetti.bitcoin_summarizer.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)
+
+val EnglishViolet = Color(0xFF44355B)
+val DarkPurple = Color(0xFF31263E)
+val RaisinBlack = Color(0xFF221E22)
+val HunyadiYellow = Color(0xFFECA72C)
+val Flame = Color(0xFFEE5622)
+
+val Green2 = Color(0xFFB1E434)

app/src/main/java/ru/vendetti/bitcoin_summarizer/ui/theme/Theme.kt

@@ -0,0 +1,60 @@
+package ru.vendetti.bitcoin_summarizer.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+
+private val DarkColorScheme = darkColorScheme(
+    primary = RaisinBlack,
+    secondary = DarkPurple,
+    tertiary = HunyadiYellow,
+
+    // Other default colors to override
+    background = DarkPurple,
+    surface = Color(0xFFFFFBFE),
+    onPrimary = HunyadiYellow,
+    onSecondary = HunyadiYellow,
+    onTertiary = DarkPurple,
+    onBackground = HunyadiYellow,
+    onSurface = Color(0xFF1C1B1F),
+)
+
+private val LightColorScheme = lightColorScheme(
+    primary = HunyadiYellow,
+    secondary = Flame,
+    tertiary = EnglishViolet,
+
+    // Other default colors to override
+    background = Color.White,
+    surface = Color(0xFFFFFBFE),
+    onPrimary = RaisinBlack,
+    onSecondary = Color.White,
+    onTertiary = Color.White,
+    onBackground = RaisinBlack,
+    onSurface = Color(0xFF1C1B1F),
+)
+
+@Composable
+fun BitcoinSummarizerTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    content: @Composable () -> Unit
+) {
+    val colorScheme = when {
+        darkTheme -> DarkColorScheme
+        else -> LightColorScheme
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/ui/theme/Type.kt

@@ -0,0 +1,34 @@
+package ru.vendetti.bitcoin_summarizer.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+    bodyLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp,
+        lineHeight = 24.sp,
+        letterSpacing = 0.5.sp
+    )
+    /* Other default text styles to override
+    titleLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 22.sp,
+        lineHeight = 28.sp,
+        letterSpacing = 0.sp
+    ),
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Medium,
+        fontSize = 11.sp,
+        lineHeight = 16.sp,
+        letterSpacing = 0.5.sp
+    )
+    */
+)

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>

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>

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <androidx.compose.ui.platform.ComposeView
+        android:id="@+id/compose_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</LinearLayout>

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <FrameLayout
+        android:id="@+id/container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+</LinearLayout>

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="@color/black2"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+    <monochrome android:drawable="@mipmap/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="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+    <monochrome android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>

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

@@ -0,0 +1,11 @@
+<?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>
+    <color name="black2">#221E22</color>
+</resources>

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

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#FFFFFF</color>
+</resources>

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

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <item name="container" type="id" />
+</resources>

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

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Bitcoin summarizer</string>
+</resources>

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

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="Theme.BitcoinSummarizer" parent="android:Theme.Material.Light.NoActionBar" />
+</resources>

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>

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>

app/src/test/java/ru/vendetti/bitcoin_summarizer/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package ru.vendetti.bitcoin_summarizer
+
+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)
+    }
+}

build.gradle.kts

@@ -0,0 +1,6 @@
+// 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
+    alias(libs.plugins.kotlin.compose) apply false
+}

gradle.properties

@@ -0,0 +1,25 @@
+# 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
+org.gradle.caching=true
+org.gradle.parallel=true

gradle/libs.versions.toml

@@ -0,0 +1,48 @@
+[versions]
+agp = "8.9.0"
+converterGson = "2.9.0"
+kotlin = "2.0.0"
+coreKtx = "1.15.0"
+junit = "4.13.2"
+junitVersion = "1.2.1"
+espressoCore = "3.6.1"
+kotlinxCoroutinesAndroid = "1.10.1"
+kotlinxCoroutinesCore = "1.10.1"
+lifecycleRuntimeKtx = "2.8.7"
+activityCompose = "1.10.1"
+composeBom = "2025.02.00"
+retrofit = "2.9.0"
+vico = "2.0.2"
+ciceroneVer = "7.1"
+fragmentKtx = "1.8.6"
+protoDataStore = "1.1.3"
+
+[libraries]
+androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+converter-gson = { module = "com.squareup.retrofit2:converter-gson", version.ref = "converterGson" }
+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-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
+androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
+androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
+androidx-ui = { group = "androidx.compose.ui", name = "ui" }
+androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
+androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
+androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
+androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
+androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
+androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+kotlinx-coroutines-android = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-android", version.ref = "kotlinxCoroutinesAndroid" }
+kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "kotlinxCoroutinesCore" }
+retrofit = { module = "com.squareup.retrofit2:retrofit", version.ref = "retrofit" }
+vico-compose-m3 = { group = "com.patrykandpatrick.vico", name = "compose-m3", version.ref = "vico" }
+cicerone = {module = "com.github.terrakok:cicerone", version.ref = "ciceroneVer"}
+androidx-fragment-ktx = { group = "androidx.fragment", name = "fragment-ktx", version.ref = "fragmentKtx" }
+androidx-datastore = {group = "androidx.datastore", name = "datastore", version.ref = "protoDataStore"}
+
+[plugins]
+android-application = { id = "com.android.application", version.ref = "agp" }
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
+

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Wed Feb 26 23:45:23 YEKT 2025
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

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 "$JAVACMD" "$@"

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

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 = "Bitcoin summarizer"
+include(":app")