Initial commit

2025-10-21 11:26:53 +02:00 · 2025-10-21 11:26:53 +02:00 · f663b00e3e
commit f663b00e3e
48 changed files with 1960 additions and 0 deletions
--- a/app/.gitignore
+++ b/app/.gitignore
@ -0,0 +1 @@
+/build
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@ -0,0 +1,79 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+    id("org.jetbrains.kotlin.plugin.compose")
+    id("com.google.dagger.hilt.android")
+    id("com.google.devtools.ksp")
+}
+
+android {
+    namespace = "com.pixelized.chocolate"
+    compileSdk {
+        version = release(36)
+    }
+
+    defaultConfig {
+        applicationId = "com.pixelized.chocolate"
+        minSdk = 26
+        targetSdk = 36
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+
+    kotlin {
+        compileOptions {
+            sourceCompatibility = JavaVersion.VERSION_11
+            targetCompatibility = JavaVersion.VERSION_11
+        }
+        compilerOptions {
+            jvmTarget = JvmTarget.JVM_11
+            freeCompilerArgs = listOf("-XXLanguage:+PropertyParamAnnotationDefaultTargetMode")
+        }
+    }
+
+    buildFeatures {
+        compose = true
+    }
+}
+
+dependencies {
+    // Android
+    implementation("androidx.core:core-ktx:1.17.0")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.9.4")
+    implementation("androidx.activity:activity-compose:1.11.0")
+    implementation("androidx.compose.ui:ui:1.9.3")
+    implementation("androidx.compose.ui:ui-graphics:1.9.3")
+    implementation("androidx.compose.ui:ui-tooling:1.9.3")
+    implementation("androidx.compose.ui:ui-tooling-preview:1.9.3")
+
+    // Material
+    implementation("androidx.compose.material3:material3:1.4.0")
+    implementation("androidx.compose.material:material-icons-extended:1.7.8")
+    implementation("androidx.compose.material3:material3-window-size-class:1.4.0")
+    implementation("androidx.compose.material3.adaptive:adaptive-layout:1.1.0")
+
+    // Navigation
+    implementation("androidx.navigation3:navigation3-runtime:1.0.0-alpha11")
+    implementation("androidx.navigation3:navigation3-ui:1.0.0-alpha11")
+    implementation("androidx.compose.material3.adaptive:adaptive-navigation3:1.0.0-SNAPSHOT")
+    implementation("androidx.lifecycle:lifecycle-viewmodel-navigation3:1.0.0-SNAPSHOT")
+
+    // Injection
+    implementation("androidx.hilt:hilt-navigation-compose:1.3.0")
+    implementation("com.google.dagger:hilt-android:2.57.2")
+    ksp("com.google.dagger:hilt-compiler:2.57.2")
+}
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
--- a/app/src/androidTest/java/com/pixelized/chocolate/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/com/pixelized/chocolate/ExampleInstrumentedTest.kt
@ -0,0 +1,24 @@
+package com.pixelized.chocolate
+
+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("com.pixelized.chocolat", appContext.packageName)
+    }
+}
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:name=".ChocolateApplication"
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Chocolat">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:theme="@style/Theme.Chocolat">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
--- a/app/src/main/ic_launcher-playstore.png
+++ b/app/src/main/ic_launcher-playstore.png
--- a/app/src/main/java/com/pixelized/chocolate/ChocolateApplication.kt
+++ b/app/src/main/java/com/pixelized/chocolate/ChocolateApplication.kt
@ -0,0 +1,7 @@
+package com.pixelized.chocolate
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class ChocolateApplication: Application()
--- a/app/src/main/java/com/pixelized/chocolate/MainActivity.kt
+++ b/app/src/main/java/com/pixelized/chocolate/MainActivity.kt
@ -0,0 +1,22 @@
+package com.pixelized.chocolate
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import com.pixelized.chocolate.ui.screen.MainScreen
+import com.pixelized.chocolate.ui.theme.ChocolatTheme
+import dagger.hilt.android.AndroidEntryPoint
+
+@AndroidEntryPoint
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            ChocolatTheme {
+                MainScreen()
+            }
+        }
+    }
+}
--- a/app/src/main/java/com/pixelized/chocolate/ui/composable/textfield/CustomTextField.kt
+++ b/app/src/main/java/com/pixelized/chocolate/ui/composable/textfield/CustomTextField.kt
@ -0,0 +1,85 @@
+package com.pixelized.chocolate.ui.composable.textfield
+
+import androidx.compose.foundation.interaction.MutableInteractionSource
+import androidx.compose.foundation.text.KeyboardActions
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material3.LocalTextStyle
+import androidx.compose.material3.TextField
+import androidx.compose.material3.TextFieldColors
+import androidx.compose.material3.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.State
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Shape
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.input.VisualTransformation
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import kotlinx.coroutines.flow.StateFlow
+
+@Stable
+data class CustomTextFieldUio(
+    val id: String? = null,
+    val enableFlow: StateFlow<Boolean>,
+    val errorFlow: StateFlow<Boolean>,
+    val valueFlow: StateFlow<String>,
+    val labelFlow: StateFlow<String?>,
+    val placeHolderFlow: StateFlow<String?>,
+    val onValueChange: (String) -> Unit,
+)
+
+@Composable
+fun CustomTextField(
+    modifier: Modifier = Modifier,
+    readOnly: Boolean = false,
+    textStyle: TextStyle = LocalTextStyle.current,
+    label: @Composable ((String) -> Unit)? = null,
+    placeholder: @Composable ((String) -> Unit)? = null,
+    leadingIcon: @Composable (() -> Unit)? = null,
+    trailingIcon: @Composable (() -> Unit)? = null,
+    prefix: @Composable (() -> Unit)? = null,
+    suffix: @Composable (() -> Unit)? = null,
+    supportingText: @Composable (() -> Unit)? = null,
+    visualTransformation: VisualTransformation = VisualTransformation.None,
+    keyboardOptions: KeyboardOptions = KeyboardOptions.Default,
+    keyboardActions: KeyboardActions = KeyboardActions.Default,
+    singleLine: Boolean = true,
+    maxLines: Int = if (singleLine) 1 else Int.MAX_VALUE,
+    minLines: Int = 1,
+    interactionSource: MutableInteractionSource? = null,
+    shape: Shape = TextFieldDefaults.shape,
+    colors: TextFieldColors = TextFieldDefaults.colors(),
+    field: CustomTextFieldUio,
+) {
+    val enabledState = field.enableFlow.collectAsStateWithLifecycle()
+    val labelState = field.labelFlow.collectAsStateWithLifecycle()
+    val placeholderState = field.placeHolderFlow.collectAsStateWithLifecycle()
+    val valueState: State<String> = field.valueFlow.collectAsStateWithLifecycle()
+    val errorState = field.errorFlow.collectAsStateWithLifecycle()
+
+    TextField(
+        value = valueState.value,
+        onValueChange = { field.onValueChange(it) },
+        modifier = modifier,
+        enabled = enabledState.value,
+        readOnly = readOnly,
+        textStyle = textStyle,
+        label = labelState.value?.let { label?.let { composable -> { composable(it) } } },
+        placeholder = placeholderState.value?.let { placeholder?.let { composable -> { composable(it) } } },
+        leadingIcon = leadingIcon,
+        trailingIcon = trailingIcon,
+        prefix = prefix,
+        suffix = suffix,
+        supportingText = supportingText,
+        isError = errorState.value,
+        visualTransformation = visualTransformation,
+        keyboardOptions = keyboardOptions,
+        keyboardActions = keyboardActions,
+        singleLine = singleLine,
+        maxLines = maxLines,
+        minLines = minLines,
+        interactionSource = interactionSource,
+        shape = shape,
+        colors = colors,
+    )
+}
--- a/app/src/main/java/com/pixelized/chocolate/ui/composable/textfield/CustomTextFieldHelper.kt
+++ b/app/src/main/java/com/pixelized/chocolate/ui/composable/textfield/CustomTextFieldHelper.kt
@ -0,0 +1,64 @@
+package com.pixelized.chocolate.ui.composable.textfield
+
+import androidx.compose.runtime.Stable
+import kotlinx.coroutines.flow.MutableStateFlow
+
+@Stable
+data class CustomTextFieldFlows(
+    val enableFlow: MutableStateFlow<Boolean>,
+    val placeHolderFlow: MutableStateFlow<String?>,
+    val labelFlow: MutableStateFlow<String?>,
+    val valueFlow: MutableStateFlow<String>,
+    val errorFlow: MutableStateFlow<Boolean>,
+)
+
+fun createCustomTextFieldFlows(
+    enable: Boolean = true,
+    label: String? = null,
+    placeHolder: String? = null,
+    error: Boolean = false,
+    value: String = "",
+): CustomTextFieldFlows {
+    return createCustomTextFieldFlows(
+        enableFlow = MutableStateFlow(enable),
+        placeHolderFlow = MutableStateFlow(placeHolder),
+        labelFlow = MutableStateFlow(label),
+        valueFlow = MutableStateFlow(value),
+        errorFlow = MutableStateFlow(error),
+    )
+}
+
+fun createCustomTextFieldFlows(
+    enableFlow: MutableStateFlow<Boolean> = MutableStateFlow(true),
+    placeHolderFlow: MutableStateFlow<String?> = MutableStateFlow(null),
+    labelFlow: MutableStateFlow<String?>,
+    valueFlow: MutableStateFlow<String>,
+    errorFlow: MutableStateFlow<Boolean> = MutableStateFlow(false),
+): CustomTextFieldFlows {
+    return CustomTextFieldFlows(
+        enableFlow = enableFlow,
+        errorFlow = errorFlow,
+        placeHolderFlow = placeHolderFlow,
+        labelFlow = labelFlow,
+        valueFlow = valueFlow,
+    )
+}
+
+fun CustomTextFieldFlows.createCustomTextFieldUio(
+    id: String? = null,
+    checkForError: ((String) -> Boolean)? = null,
+    onValueChange: (String) -> Unit = {
+        errorFlow.value = checkForError?.invoke(it) ?: errorFlow.value
+        valueFlow.value = it
+    },
+): CustomTextFieldUio {
+    return CustomTextFieldUio(
+        id = id,
+        enableFlow = enableFlow,
+        errorFlow = errorFlow,
+        valueFlow = valueFlow,
+        labelFlow = labelFlow,
+        placeHolderFlow = placeHolderFlow,
+        onValueChange = onValueChange,
+    )
+}
--- a/app/src/main/java/com/pixelized/chocolate/ui/composable/textfield/options/CurrencyMaskTransformation.kt
+++ b/app/src/main/java/com/pixelized/chocolate/ui/composable/textfield/options/CurrencyMaskTransformation.kt
@ -0,0 +1,30 @@
+package com.pixelized.chocolate.ui.composable.textfield.options
+
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.buildAnnotatedString
+import androidx.compose.ui.text.input.OffsetMapping
+import androidx.compose.ui.text.input.TransformedText
+import androidx.compose.ui.text.input.VisualTransformation
+
+class CurrencyMaskTransformation : VisualTransformation {
+    override fun filter(text: AnnotatedString): TransformedText {
+
+        val newText = buildAnnotatedString {
+            append(text)
+            if (text.isNotEmpty()) {
+                append(" €")
+            }
+        }
+        val numberOffsetTranslator = object : OffsetMapping {
+            override fun originalToTransformed(offset: Int): Int {
+                return offset
+            }
+
+            override fun transformedToOriginal(offset: Int): Int {
+                return offset.coerceIn(minimumValue = 0, maximumValue = text.length)
+            }
+        }
+
+        return TransformedText(newText, numberOffsetTranslator)
+    }
+}
--- a/app/src/main/java/com/pixelized/chocolate/ui/screen/MainScreen.kt
+++ b/app/src/main/java/com/pixelized/chocolate/ui/screen/MainScreen.kt
@ -0,0 +1,450 @@
+package com.pixelized.chocolate.ui.screen
+
+import android.icu.text.DecimalFormat
+import android.icu.text.DecimalFormatSymbols
+import android.icu.text.NumberFormat
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.core.Spring
+import androidx.compose.animation.core.animateFloatAsState
+import androidx.compose.animation.core.spring
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.imePadding
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.text.KeyboardActions
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material3.Card
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.LinearProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.mutableFloatStateOf
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.keepScreenOn
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.buildAnnotatedString
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.text.input.VisualTransformation
+import androidx.compose.ui.text.withStyle
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+import androidx.hilt.lifecycle.viewmodel.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import com.pixelized.chocolate.R
+import com.pixelized.chocolate.ui.composable.textfield.CustomTextField
+import com.pixelized.chocolate.ui.composable.textfield.CustomTextFieldUio
+import com.pixelized.chocolate.ui.composable.textfield.createCustomTextFieldFlows
+import com.pixelized.chocolate.ui.composable.textfield.createCustomTextFieldUio
+import com.pixelized.chocolate.ui.composable.textfield.options.CurrencyMaskTransformation
+import com.pixelized.chocolate.ui.theme.ChocolatTheme
+import com.pixelized.chocolate.ui.utils.extention.calculate
+
+@Stable
+data class MainScreenInputs(
+    val packageIS: CustomTextFieldUio,
+    val package2B: CustomTextFieldUio,
+    val packageFA: CustomTextFieldUio,
+    val expected: CustomTextFieldUio,
+)
+
+@Stable
+data class MainScreenResult(
+    val id: String,
+    val packageISInput: String,
+    val packageISValue: Int,
+    val package2BInput: String,
+    val package2BValue: Int,
+    val packageFAInput: String,
+    val packageFAValue: Int,
+    val result: Double,
+    val delta: Double,
+)
+
+@Stable
+object MainScreenDefault {
+    @Stable
+    val paddingValues: PaddingValues = PaddingValues(all = 16.dp)
+
+    @Stable
+    val spacing: Dp = 16.dp
+
+    @Stable
+    val visualTransformation: VisualTransformation = CurrencyMaskTransformation()
+
+    @Stable
+    val formatter: NumberFormat =
+        DecimalFormat("###,###", DecimalFormatSymbols().apply { groupingSeparator = ' ' })
+}
+
+@Composable
+fun MainScreen(
+    viewModel: MainViewModel = hiltViewModel(),
+) {
+    val inputs = viewModel.inputs.collectAsStateWithLifecycle()
+    val results = viewModel.results.collectAsStateWithLifecycle()
+    val amount = viewModel.amount.collectAsStateWithLifecycle()
+    val progress = viewModel.progress.collectAsStateWithLifecycle()
+    val isRunning = viewModel.isRunning.collectAsStateWithLifecycle(initialValue = false)
+
+    MainContent(
+        modifier = Modifier
+            .fillMaxSize()
+            .keepScreenOn()
+            .imePadding(),
+        loading = isRunning,
+        progress = progress,
+        amount = amount,
+        inputs = inputs,
+        results = results,
+        onCancelRequest = viewModel::cancelCompute,
+        onComputeRequest = viewModel::startCompute,
+    )
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+private fun MainContent(
+    modifier: Modifier = Modifier,
+    paddingValues: PaddingValues = MainScreenDefault.paddingValues,
+    spacing: Dp = MainScreenDefault.spacing,
+    visualTransformation: VisualTransformation = MainScreenDefault.visualTransformation,
+    formatter: NumberFormat = MainScreenDefault.formatter,
+    loading: State<Boolean>,
+    progress: State<Float>,
+    amount: State<Int>,
+    inputs: State<MainScreenInputs>,
+    results: State<List<MainScreenResult>>,
+    onCancelRequest: () -> Unit,
+    onComputeRequest: () -> Unit,
+) {
+    val (start, _, end, bottom) = paddingValues.calculate()
+
+    val typography = MaterialTheme.typography
+    val packageStyleSpan = remember(typography) {
+        typography.bodySmall.toSpanStyle().copy(fontWeight = FontWeight.Light)
+    }
+    val amountStyleSpan = remember(typography) {
+        typography.bodyLarge.toSpanStyle()
+    }
+
+    Scaffold(
+        modifier = modifier,
+        topBar = {
+            TopAppBar(
+                title = {
+                    Text(
+                        text = stringResource(R.string.app_name),
+                    )
+                },
+            )
+        }
+    ) { scaffoldPaddingValues ->
+        LazyColumn(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(paddingValues = scaffoldPaddingValues),
+            contentPadding = remember { PaddingValues(start = start, end = end, bottom = bottom) },
+            verticalArrangement = Arrangement.spacedBy(space = spacing),
+        ) {
+            item(
+                key = "title",
+            ) {
+                Card {
+                    Column(
+                        verticalArrangement = Arrangement.spacedBy(space = spacing),
+                    ) {
+                        Column {
+                            CustomTextField(
+                                modifier = Modifier.fillMaxWidth(),
+                                keyboardOptions = KeyboardOptions(
+                                    keyboardType = KeyboardType.Decimal,
+                                    imeAction = ImeAction.Next,
+                                ),
+                                visualTransformation = visualTransformation,
+                                textStyle = MaterialTheme.typography.bodyLarge,
+                                label = { label ->
+                                    Text(text = label)
+                                },
+                                field = inputs.value.packageIS,
+                            )
+                            CustomTextField(
+                                modifier = Modifier.fillMaxWidth(),
+                                keyboardOptions = KeyboardOptions(
+                                    keyboardType = KeyboardType.Decimal,
+                                    imeAction = ImeAction.Next,
+                                ),
+                                visualTransformation = visualTransformation,
+                                textStyle = MaterialTheme.typography.bodyLarge,
+                                label = { label ->
+                                    Text(text = label)
+                                },
+                                field = inputs.value.package2B,
+                            )
+                            CustomTextField(
+                                modifier = Modifier.fillMaxWidth(),
+                                keyboardOptions = KeyboardOptions(
+                                    keyboardType = KeyboardType.Decimal,
+                                    imeAction = ImeAction.Next,
+                                ),
+                                visualTransformation = visualTransformation,
+                                textStyle = MaterialTheme.typography.bodyLarge,
+                                label = { label ->
+                                    Text(text = label)
+                                },
+                                field = inputs.value.packageFA,
+                            )
+                        }
+                        CustomTextField(
+                            modifier = Modifier.fillMaxWidth(),
+                            keyboardOptions = KeyboardOptions(
+                                keyboardType = KeyboardType.Decimal,
+                                imeAction = ImeAction.Done,
+                            ),
+                            keyboardActions = KeyboardActions { onComputeRequest() },
+                            visualTransformation = visualTransformation,
+                            label = { label ->
+                                Text(text = label)
+                            },
+                            textStyle = MaterialTheme.typography.headlineSmall,
+                            field = inputs.value.expected,
+                        )
+                        Row(
+                            modifier = Modifier
+                                .align(alignment = Alignment.End)
+                                .padding(end = bottom / 2),
+                        ) {
+                            AnimatedVisibility(
+                                visible = loading.value,
+                                enter = fadeIn(),
+                                exit = fadeOut(),
+                            ) {
+                                TextButton(
+                                    onClick = onCancelRequest,
+                                ) {
+                                    Text(
+                                        text = stringResource(android.R.string.cancel)
+                                    )
+                                }
+                            }
+                            TextButton(
+                                onClick = onComputeRequest,
+                            ) {
+                                Text(
+                                    text = stringResource(R.string.action_compute)
+                                )
+                            }
+                        }
+                    }
+                }
+            }
+
+            if (amount.value > 0) {
+                item(
+                    key = "progress",
+                ) {
+                    Card(
+                        modifier = Modifier
+                            .animateItem()
+                            .fillMaxWidth()
+                    ) {
+                        Column(
+                            modifier = Modifier.padding(paddingValues = paddingValues),
+                            verticalArrangement = Arrangement.spacedBy(spacing / 2)
+                        ) {
+                            Text(
+                                style = MaterialTheme.typography.labelSmall,
+                                text = remember(formatter, amount.value) {
+                                    derivedStateOf {
+                                        "Nombre de possibilité : ${formatter.format(progress.value * amount.value)} / ${
+                                            formatter.format(
+                                                amount.value
+                                            )
+                                        }"
+                                    }
+                                }.value,
+                            )
+                            Loading(
+                                modifier = Modifier.fillMaxWidth(),
+                                progress = progress,
+                            )
+                        }
+                    }
+                }
+            }
+
+            items(
+                items = results.value,
+                key = { it.id },
+            ) {
+                Card(
+                    modifier = Modifier
+                        .animateItem()
+                        .fillMaxWidth()
+                ) {
+                    Column(
+                        modifier = Modifier.padding(paddingValues = paddingValues),
+                    ) {
+                        Text(
+                            color = MaterialTheme.colorScheme.onSurface,
+                            text = buildAnnotatedString {
+                                withStyle(packageStyleSpan) {
+                                    append("Forfait IS (")
+                                    append(it.packageISInput)
+                                    append(") : ")
+                                }
+                                withStyle(amountStyleSpan) { append("${it.packageISValue}") }
+                            },
+                        )
+                        Text(
+                            color = MaterialTheme.colorScheme.onSurface,
+                            text = buildAnnotatedString {
+                                withStyle(packageStyleSpan) {
+                                    append("Forfait 2B (")
+                                    append(it.package2BInput)
+                                    append(") : ")
+                                }
+                                withStyle(amountStyleSpan) { append("${it.package2BValue}") }
+                            },
+                        )
+                        Text(
+                            color = MaterialTheme.colorScheme.onSurface,
+                            text = buildAnnotatedString {
+                                withStyle(packageStyleSpan) {
+                                    append("Forfait IS (")
+                                    append(it.packageISInput)
+                                    append(") : ")
+                                }
+                                withStyle(amountStyleSpan) { append("${it.packageISValue}") }
+                            },
+                        )
+                        Text(
+                            color = MaterialTheme.colorScheme.onSurface,
+                            text = buildAnnotatedString {
+                                withStyle(packageStyleSpan) { append("Résultats : ") }
+                                withStyle(amountStyleSpan) { append("${it.result}€") }
+                            },
+                        )
+                        Text(
+                            color = MaterialTheme.colorScheme.error,
+                            text = buildAnnotatedString {
+                                withStyle(packageStyleSpan) { append("Reste : ") }
+                                withStyle(amountStyleSpan) { append("${it.delta}€") }
+                            },
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun Loading(
+    modifier: Modifier = Modifier,
+    progress: State<Float>,
+) {
+    val animatedProgress = animateFloatAsState(
+        targetValue = progress.value,
+        animationSpec = spring(
+            stiffness = Spring.StiffnessVeryLow,
+        )
+    )
+    LinearProgressIndicator(
+        modifier = modifier,
+        progress = {
+            animatedProgress.value
+        },
+    )
+}
+
+@Composable
+@Preview
+private fun MainContentPreview() {
+    ChocolatTheme {
+        Surface {
+            val inputs = remember {
+                mutableStateOf(
+                    MainScreenInputs(
+                        packageIS = createCustomTextFieldFlows(
+                            label = "Forfait IS",
+                            value = "77.29",
+                        ).createCustomTextFieldUio(),
+                        package2B = createCustomTextFieldFlows(
+                            label = "Forfait 2B",
+                            value = "96.26",
+                        ).createCustomTextFieldUio(),
+                        packageFA = createCustomTextFieldFlows(
+                            label = "Forfait FA",
+                            value = "107.97",
+                        ).createCustomTextFieldUio(),
+                        expected = createCustomTextFieldFlows(
+                            label = "Résultat attendu",
+                            value = "842,75"
+                        ).createCustomTextFieldUio(),
+                    )
+                )
+            }
+            val results = remember {
+                mutableStateOf(
+                    listOf(
+                        MainScreenResult(
+                            id = "0-1",
+                            packageISInput = "77.29€",
+                            packageISValue = 3,
+                            package2BInput = "96.26€",
+                            package2BValue = 80,
+                            packageFAInput = "107.97€",
+                            packageFAValue = 64,
+                            result = 14841.52,
+                            delta = 0.0,
+                        ),
+                        MainScreenResult(
+                            id = "0-2",
+                            packageISInput = "77.29",
+                            packageISValue = 22,
+                            package2BInput = "96.26",
+                            package2BValue = 21,
+                            packageFAInput = "107.97",
+                            packageFAValue = 64,
+                            result = 14841.52,
+                            delta = 0.0,
+                        )
+                    )
+                )
+            }
+            MainContent(
+                modifier = Modifier.fillMaxSize(),
+                loading = remember { mutableStateOf(true) },
+                progress = remember { mutableFloatStateOf(0.75f) },
+                amount = remember { mutableIntStateOf(4_128_270) },
+                inputs = inputs,
+                results = results,
+                onCancelRequest = { },
+                onComputeRequest = { },
+            )
+        }
+    }
+}
--- a/app/src/main/java/com/pixelized/chocolate/ui/screen/MainViewModel.kt
+++ b/app/src/main/java/com/pixelized/chocolate/ui/screen/MainViewModel.kt
@ -0,0 +1,227 @@
+package com.pixelized.chocolate.ui.screen
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.pixelized.chocolate.ui.composable.textfield.CustomTextFieldFlows
+import com.pixelized.chocolate.ui.composable.textfield.createCustomTextFieldFlows
+import com.pixelized.chocolate.ui.composable.textfield.createCustomTextFieldUio
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import javax.inject.Inject
+import kotlin.math.abs
+import kotlin.math.pow
+
+@HiltViewModel
+class MainViewModel @Inject constructor() : ViewModel() {
+
+    private var computeJob: Job? = null
+
+    private val textFieldStateFlow = MutableStateFlow(true)
+    val isRunning: Flow<Boolean> = textFieldStateFlow.map { it.not() }
+
+    private val packageIS = createCustomTextFieldFlows(
+        enableFlow = textFieldStateFlow,
+        labelFlow = MutableStateFlow("Forfait IS"),
+        valueFlow = MutableStateFlow(PACKAGE_IS_DEFAULT),
+    )
+    private val package2B = createCustomTextFieldFlows(
+        enableFlow = textFieldStateFlow,
+        labelFlow = MutableStateFlow("Forfait 2B"),
+        valueFlow = MutableStateFlow(PACKAGE_2B_DEFAULT),
+    )
+    private val packageFA = createCustomTextFieldFlows(
+        enableFlow = textFieldStateFlow,
+        labelFlow = MutableStateFlow("Forfait FA"),
+        valueFlow = MutableStateFlow(PACKAGE_FA_DEFAULT),
+    )
+    private val expected = createCustomTextFieldFlows(
+        enableFlow = textFieldStateFlow,
+        labelFlow = MutableStateFlow("Résultat attendu"),
+        valueFlow = MutableStateFlow(EXPECTED_DEFAULT),
+    )
+
+    val inputs: StateFlow<MainScreenInputs> = MutableStateFlow(
+        MainScreenInputs(
+            expected = expected.createCustomTextFieldUio(
+                checkForError = { it.isBlank() },
+            ),
+            packageIS = packageIS.createCustomTextFieldUio(
+                checkForError = { it.isBlank() },
+            ),
+            package2B = package2B.createCustomTextFieldUio(
+                checkForError = { it.isBlank() },
+            ),
+            packageFA = packageFA.createCustomTextFieldUio(
+                checkForError = { it.isBlank() },
+            ),
+        )
+    )
+
+    private val _amount = MutableStateFlow(0)
+    val amount: StateFlow<Int> = _amount
+
+    private val _progress = MutableStateFlow(0)
+    val progress: StateFlow<Float> = combine(
+        _progress,
+        _amount,
+    ) { progress, amount ->
+        (progress.toDouble() / amount.toDouble()).toFloat()
+    }.stateIn(
+        viewModelScope,
+        SharingStarted.Lazily,
+        0f
+    )
+
+    private val _results = MutableStateFlow<List<MainScreenResult>>(emptyList())
+    val results: StateFlow<List<MainScreenResult>> = _results
+
+    fun startCompute(
+        precision: Double = 10.0.pow(DECIMALS),
+    ) {
+        val input = expected.value(precision)
+        if (input == null) {
+            expected.errorFlow.value = true
+            return
+        }
+
+        val valueIS = packageIS.value(precision)
+        if (valueIS == null) {
+            packageIS.errorFlow.value = true
+            return
+        }
+        val maxIS = (input / valueIS) + 1
+
+        val value2B = package2B.value(precision)
+        if (value2B == null) {
+            package2B.errorFlow.value = true
+            return
+        }
+        val max2B = (input / value2B) + 1
+
+        val valueFA = packageFA.value(precision)
+        if (valueFA == null) {
+            packageFA.errorFlow.value = true
+            return
+        }
+        val maxFA = (input / valueFA) + 1
+        val max = ((maxIS + 1) * (max2B + 1) * (maxFA + 1)).toDouble()
+
+        computeJob?.cancel()
+        computeJob = viewModelScope.launch(Dispatchers.Default) {
+            var previousResult = 0
+
+            _progress.value = 0
+            _amount.value = max.toInt()
+            textFieldStateFlow.value = false
+
+            for (indexIS in 0..maxIS) {
+                if (isActive.not()) break
+
+                for (index2B in 0..max2B) {
+                    if (isActive.not()) break
+
+                    // skip the next values
+                    if (input < valueIS * indexIS + value2B * index2B) {
+                        _progress.value += ((max2B + 1) - index2B) * (maxFA + 1)
+                        break
+                    }
+
+                    for (indexFA in 0..maxFA) {
+                        if (isActive.not()) break
+
+                        val currentResult =
+                            valueIS * indexIS + value2B * index2B + valueFA * indexFA
+                        val deltaCurrent = abs(input - currentResult)
+                        val deltaPrevious = abs(input - previousResult)
+
+                        // skip the next values
+                        if (deltaPrevious < deltaCurrent && input < currentResult) {
+                            _progress.value += (maxFA + 1) - indexFA
+                            break
+                        } else {
+                            _progress.value = _progress.value + 1
+                        }
+
+                        if (deltaCurrent < deltaPrevious) {
+                            previousResult = currentResult
+                            withContext(Dispatchers.Main) {
+                                val delta = (input - previousResult) / precision
+                                _results.value = listOf(
+                                    MainScreenResult(
+                                        id = "$delta-0",
+                                        packageISInput = inputs.value.packageIS.labelFlow.value ?: "",
+                                        packageISValue = indexIS,
+                                        package2BInput = inputs.value.package2B.labelFlow.value ?: "",
+                                        package2BValue = index2B,
+                                        packageFAInput = inputs.value.packageFA.labelFlow.value ?: "",
+                                        packageFAValue = indexFA,
+                                        result = previousResult / precision,
+                                        delta = delta,
+                                    ),
+                                )
+                            }
+                        } else if (deltaCurrent == deltaPrevious) {
+                            withContext(Dispatchers.Main) {
+                                _results.value = _results.value.toMutableList().also { list ->
+                                    val delta = (input - previousResult) / precision
+                                    list.add(
+                                        MainScreenResult(
+                                            id = "$delta-${list.size}",
+                                            packageISInput = inputs.value.packageIS.labelFlow.value ?: "",
+                                            packageISValue = indexIS,
+                                            package2BInput = inputs.value.package2B.labelFlow.value ?: "",
+                                            package2BValue = index2B,
+                                            packageFAInput = inputs.value.packageFA.labelFlow.value ?: "",
+                                            packageFAValue = indexFA,
+                                            result = previousResult / precision,
+                                            delta = delta,
+                                        )
+                                    )
+                                }
+                            }
+                        }
+                    }
+
+                    delay(1)
+                }
+            }
+        }
+
+        viewModelScope.launch {
+            computeJob?.join()
+            textFieldStateFlow.value = true
+            computeJob = null
+        }
+    }
+
+    fun cancelCompute() {
+        computeJob?.cancel()
+        computeJob = null
+    }
+
+    private fun CustomTextFieldFlows.value(
+        precision: Double,
+    ): Int? {
+        return valueFlow.value.toDoubleOrNull()?.times(precision)?.toInt()
+    }
+
+    companion object {
+        private const val DECIMALS = 2
+        private const val PACKAGE_IS_DEFAULT = "77.29"
+        private const val PACKAGE_2B_DEFAULT = "96.26"
+        private const val PACKAGE_FA_DEFAULT = "107.97"
+        private const val EXPECTED_DEFAULT = ""
+    }
+}
--- a/app/src/main/java/com/pixelized/chocolate/ui/theme/Color.kt
+++ b/app/src/main/java/com/pixelized/chocolate/ui/theme/Color.kt
@ -0,0 +1,11 @@
+package com.pixelized.chocolate.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)
--- a/app/src/main/java/com/pixelized/chocolate/ui/theme/Theme.kt
+++ b/app/src/main/java/com/pixelized/chocolate/ui/theme/Theme.kt
@ -0,0 +1,57 @@
+package com.pixelized.chocolate.ui.theme
+
+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.platform.LocalContext
+
+private val DarkColorScheme = darkColorScheme(
+    primary = Purple80,
+    secondary = PurpleGrey80,
+    tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+    primary = Purple40,
+    secondary = PurpleGrey40,
+    tertiary = Pink40
+
+    /* Other default colors to override
+    background = Color(0xFFFFFBFE),
+    surface = Color(0xFFFFFBFE),
+    onPrimary = Color.White,
+    onSecondary = Color.White,
+    onTertiary = Color.White,
+    onBackground = Color(0xFF1C1B1F),
+    onSurface = Color(0xFF1C1B1F),
+    */
+)
+
+@Composable
+fun ChocolatTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    // Dynamic color is available on Android 12+
+    dynamicColor: Boolean = true,
+    content: @Composable () -> Unit
+) {
+    val colorScheme = when {
+        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+            val context = LocalContext.current
+            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+        }
+
+        darkTheme -> DarkColorScheme
+        else -> LightColorScheme
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}
--- a/app/src/main/java/com/pixelized/chocolate/ui/theme/Type.kt
+++ b/app/src/main/java/com/pixelized/chocolate/ui/theme/Type.kt
@ -0,0 +1,34 @@
+package com.pixelized.chocolate.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
+    )
+    */
+)
--- a/app/src/main/java/com/pixelized/chocolate/ui/utils/extention/PaddingValueEx+calculate.kt
+++ b/app/src/main/java/com/pixelized/chocolate/ui/utils/extention/PaddingValueEx+calculate.kt
@ -0,0 +1,46 @@
+package com.pixelized.chocolate.ui.utils.extention
+
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.calculateEndPadding
+import androidx.compose.foundation.layout.calculateStartPadding
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
+import androidx.compose.runtime.ReadOnlyComposable
+import androidx.compose.runtime.Stable
+import androidx.compose.ui.platform.LocalLayoutDirection
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.LayoutDirection
+
+@ReadOnlyComposable
+@Composable
+fun PaddingValues.calculate(
+    direction: LayoutDirection = LocalLayoutDirection.current,
+): ComputedPaddingValue {
+    return ComputedPaddingValue(
+        start = calculateStartPadding(layoutDirection = direction),
+        top = calculateTopPadding(),
+        end = calculateEndPadding(layoutDirection = direction),
+        bottom = calculateBottomPadding(),
+    )
+}
+
+@Stable
+@Immutable
+data class ComputedPaddingValue(
+    @Stable
+    val start: Dp,
+    @Stable
+    val top: Dp,
+    @Stable
+    val end: Dp,
+    @Stable
+    val bottom: Dp,
+) : PaddingValues {
+    override fun calculateLeftPadding(layoutDirection: LayoutDirection): Dp = start
+
+    override fun calculateTopPadding(): Dp = top
+
+    override fun calculateRightPadding(layoutDirection: LayoutDirection): Dp = end
+
+    override fun calculateBottomPadding(): Dp = bottom
+}
--- a/app/src/main/res/drawable/ic_calculate_24px.xml
+++ b/app/src/main/res/drawable/ic_calculate_24px.xml
@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M320,720L380,720L380,640L460,640L460,580L380,580L380,500L320,500L320,580L240,580L240,640L320,640L320,720ZM520,690L720,690L720,630L520,630L520,690ZM520,590L720,590L720,530L520,530L520,590ZM564,438L620,382L676,438L718,396L662,338L718,282L676,240L620,296L564,240L522,282L578,338L522,396L564,438ZM250,368L450,368L450,308L250,308L250,368ZM200,840Q167,840 143.5,816.5Q120,793 120,760L120,200Q120,167 143.5,143.5Q167,120 200,120L760,120Q793,120 816.5,143.5Q840,167 840,200L840,760Q840,793 816.5,816.5Q793,840 760,840L200,840ZM200,760L760,760Q760,760 760,760Q760,760 760,760L760,200Q760,200 760,200Q760,200 760,200L200,200Q200,200 200,200Q200,200 200,200L200,760Q200,760 200,760Q200,760 200,760ZM200,200L200,200Q200,200 200,200Q200,200 200,200L200,760Q200,760 200,760Q200,760 200,760L200,760Q200,760 200,760Q200,760 200,760L200,200Q200,200 200,200Q200,200 200,200Z"/>
+</vector>
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
--- a/app/src/main/res/drawable/ic_launcher_foreground.xml
+++ b/app/src/main/res/drawable/ic_launcher_foreground.xml
@ -0,0 +1,14 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+  <group android:scaleX="0.5"
+      android:scaleY="0.5"
+      android:translateX="240"
+      android:translateY="240">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M320,720L380,720L380,640L460,640L460,580L380,580L380,500L320,500L320,580L240,580L240,640L320,640L320,720ZM520,690L720,690L720,630L520,630L520,690ZM520,590L720,590L720,530L520,530L520,590ZM564,438L620,382L676,438L718,396L662,338L718,282L676,240L620,296L564,240L522,282L578,338L522,396L564,438ZM250,368L450,368L450,308L250,308L250,368ZM200,840Q167,840 143.5,816.5Q120,793 120,760L120,200Q120,167 143.5,143.5Q167,120 200,120L760,120Q793,120 816.5,143.5Q840,167 840,200L840,760Q840,793 816.5,816.5Q793,840 760,840L200,840ZM200,760L760,760Q760,760 760,760Q760,760 760,760L760,200Q760,200 760,200Q760,200 760,200L200,200Q200,200 200,200Q200,200 200,200L200,760Q200,760 200,760Q200,760 200,760ZM200,200L200,200Q200,200 200,200Q200,200 200,200L200,760Q200,760 200,760Q200,760 200,760L200,760Q200,760 200,760Q200,760 200,760L200,200Q200,200 200,200Q200,200 200,200Z"/>
+  </group>
+</vector>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@ -0,0 +1,5 @@
+<?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="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@ -0,0 +1,5 @@
+<?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="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
--- a/app/src/main/res/mipmap-hdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@ -0,0 +1,5 @@
+<resources>
+    <string name="app_name">Chocolat</string>
+
+    <string name="action_compute">Calculer</string>
+</resources>
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
--- a/app/src/main/res/values/ic_launcher_background.xml
+++ b/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">#7B3F00</color>
+</resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -0,0 +1,5 @@
+<resources>
+    <string name="app_name">Chocolate</string>
+
+    <string name="action_compute">Compute</string>
+</resources>
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="Theme.Chocolat" parent="android:Theme.Material.Light.NoActionBar" />
+</resources>
--- a/app/src/main/res/xml/backup_rules.xml
+++ b/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 than 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>
--- a/app/src/main/res/xml/data_extraction_rules.xml
+++ b/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>
--- a/app/src/test/java/com/pixelized/chocolate/ExampleUnitTest.kt
+++ b/app/src/test/java/com/pixelized/chocolate/ExampleUnitTest.kt
@ -0,0 +1,17 @@
+package com.pixelized.chocolate
+
+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)
+    }
+}