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Merge pull request #10 from arkivanov/example-todo

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Example Todo app
This commit is contained in:
Nikolay Igotti
2020-10-23 10:04:38 +03:00
committed by GitHub
parent 2d447b3b1e 7f4585e500
commit 583231cd19
93 changed files with 2642 additions and 0 deletions
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15
examples/todoapp/.gitignore vendored Normal file
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*.iml
.gradle
/local.properties
/.idea
/.idea/caches
/.idea/libraries
/.idea/modules.xml
/.idea/workspace.xml
/.idea/navEditor.xml
/.idea/assetWizardSettings.xml
.DS_Store
/build
/captures
.externalNativeBuild
.cxx

28
examples/todoapp/README.md Executable file
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An example of Kotlin Multiplatform todo app with shared Jetpack Compose UI.
Supported targets: `Android` and `JVM`.
Libraries used:
- Jetpack Compose - shared UI
- [Decompose](https://github.com/arkivanov/Decompose) - navigation and lifecycle
- [MVIKotlin](https://github.com/arkivanov/MVIKotlin) - presentation and business logic
- [Reaktive](https://github.com/badoo/Reaktive) - background processing and data transformation
- [SQLDelight](https://github.com/cashapp/sqldelight) - data storage
There are multiple common modules:
- `utils` - just some useful helpers
- `database` - SQLDelight database definition
- `main` - displays a list of todo items and a text field
- `edit` - accepts an item id and allows editing
- `root` - navigates between `main` and `edit` screens
The `root` module is integrated into both Android and Desktop apps.
Features:
- 99% of the code is shared: data, business logic, presentation, navigation and UI
- View state is preserved when navigating between screens, Android configuration change, etc.
- Model-View-Intent (aka MVI) architectural pattern
To run the desktop application execute the following command: `./gradlew desktop:run`.
To run the Android application you will need to open the project in Intellij IDEA or Android Studio and run "android" configuration.

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examples/todoapp/android/.gitignore vendored Normal file
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/build

39
examples/todoapp/android/build.gradle.kts Executable file
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import org.jetbrains.compose.compose
plugins {
id("com.android.application")
kotlin("android")
id("org.jetbrains.compose")
}
android {
compileSdkVersion(30)
defaultConfig {
minSdkVersion(23)
targetSdkVersion(30)
versionCode = 1
versionName = "1.0"
}
compileOptions {
sourceCompatibility = JavaVersion.VERSION_1_8
targetCompatibility = JavaVersion.VERSION_1_8
}
packagingOptions {
exclude("META-INF/*")
}
}
dependencies {
implementation(project(":common:database"))
implementation(project(":common:utils"))
implementation(project(":common:root"))
implementation(compose.material)
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlin)
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlinMain)
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlinLogging)
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlinTimeTravel)
implementation(Deps.ArkIvanov.Decompose.decompose)
}

27
examples/todoapp/android/src/main/AndroidManifest.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="example.todo.android">
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.INTERNET"/>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:name=".App"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/Theme.AppCompat.Light.NoActionBar">
<activity
android:name="example.todo.android.MainActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>

13
examples/todoapp/android/src/main/java/example/todo/android/App.kt Normal file
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package example.todo.android
import android.app.Application
import com.arkivanov.mvikotlin.timetravel.server.TimeTravelServer
class App : Application() {
override fun onCreate() {
super.onCreate()
TimeTravelServer().start()
}
}

8
examples/todoapp/android/src/main/java/example/todo/android/Color.kt Normal file
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package example.todo.android
import androidx.compose.ui.graphics.Color
val purple200 = Color(0xFFBB86FC)
val purple500 = Color(0xFF6200EE)
val purple700 = Color(0xFF3700B3)
val teal200 = Color(0xFF03DAC5)

48
examples/todoapp/android/src/main/java/example/todo/android/MainActivity.kt Executable file
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package example.todo.android
import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import androidx.compose.material.MaterialTheme
import androidx.compose.material.Surface
import androidx.compose.ui.platform.setContent
import com.arkivanov.decompose.DefaultComponentContext
import com.arkivanov.decompose.backpressed.toBackPressedDispatched
import com.arkivanov.decompose.instancekeeper.toInstanceKeeper
import com.arkivanov.decompose.lifecycle.asDecomposeLifecycle
import com.arkivanov.decompose.statekeeper.toStateKeeper
import com.arkivanov.mvikotlin.core.store.StoreFactory
import com.arkivanov.mvikotlin.logging.store.LoggingStoreFactory
import com.arkivanov.mvikotlin.main.store.DefaultStoreFactory
import com.arkivanov.mvikotlin.timetravel.store.TimeTravelStoreFactory
import example.todo.common.database.TodoDatabaseDriver
import example.todo.common.root.TodoRoot
import example.todo.database.TodoDatabase
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
val todoRoot =
TodoRoot(
componentContext = DefaultComponentContext(
lifecycle = lifecycle.asDecomposeLifecycle(),
stateKeeper = savedStateRegistry.toStateKeeper(),
instanceKeeper = viewModelStore.toInstanceKeeper(),
backPressedDispatcher = onBackPressedDispatcher.toBackPressedDispatched(lifecycle)
),
dependencies = object : TodoRoot.Dependencies {
// You can play with time travel using IDEA plugin: https://arkivanov.github.io/MVIKotlin/time_travel.html
override val storeFactory: StoreFactory = LoggingStoreFactory(TimeTravelStoreFactory(DefaultStoreFactory))
override val database: TodoDatabase = TodoDatabase(TodoDatabaseDriver(this@MainActivity))
}
)
setContent {
ComposeAppTheme {
Surface(color = MaterialTheme.colors.background) {
todoRoot()
}
}
}
}
}

11
examples/todoapp/android/src/main/java/example/todo/android/Shape.kt Normal file
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package example.todo.android
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material.Shapes
import androidx.compose.ui.unit.dp
val shapes = Shapes(
small = RoundedCornerShape(4.dp),
medium = RoundedCornerShape(4.dp),
large = RoundedCornerShape(0.dp)
)

35
examples/todoapp/android/src/main/java/example/todo/android/Theme.kt Normal file
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package example.todo.android
import androidx.compose.foundation.isSystemInDarkTheme
import androidx.compose.material.MaterialTheme
import androidx.compose.material.darkColors
import androidx.compose.material.lightColors
import androidx.compose.runtime.Composable
private val DarkColorPalette = darkColors(
primary = purple200,
primaryVariant = purple700,
secondary = teal200
)
private val LightColorPalette = lightColors(
primary = purple500,
primaryVariant = purple700,
secondary = teal200
)
@Composable
fun ComposeAppTheme(darkTheme: Boolean = isSystemInDarkTheme(), content: @Composable() () -> Unit) {
val colors = if (darkTheme) {
DarkColorPalette
} else {
LightColorPalette
}
MaterialTheme(
colors = colors,
typography = typography,
shapes = shapes,
content = content
)
}

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examples/todoapp/android/src/main/java/example/todo/android/Type.kt Normal file
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package example.todo.android
import androidx.compose.material.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(
body1 = TextStyle(
fontFamily = FontFamily.Default,
fontWeight = FontWeight.Normal,
fontSize = 16.sp
)
)

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examples/todoapp/android/src/main/res/drawable-v24/ic_launcher_foreground.xml Normal file
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<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:fillType="evenOdd"
android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
android:strokeWidth="1"
android:strokeColor="#00000000">
<aapt:attr name="android:fillColor">
<gradient
android:endX="78.5885"
android:endY="90.9159"
android:startX="48.7653"
android:startY="61.0927"
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="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
android:strokeWidth="1"
android:strokeColor="#00000000" />
</vector>

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examples/todoapp/android/src/main/res/drawable/ic_launcher_background.xml Normal file
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<?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="#008577"
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>

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examples/todoapp/android/src/main/res/mipmap-anydpi-v26/ic_launcher.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

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examples/todoapp/android/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

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examples/todoapp/android/src/main/res/values/strings.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Todo</string>
</resources>

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examples/todoapp/build.gradle.kts Executable file
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plugins {
`kotlin-dsl`
}
allprojects {
repositories {
google()
jcenter()
mavenLocal()
maven("https://maven.pkg.jetbrains.space/public/p/compose/dev")
maven("https://dl.bintray.com/arkivanov/maven")
maven("https://dl.bintray.com/badoo/maven")
}
}

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/build

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examples/todoapp/buildSrc/build.gradle.kts Normal file
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plugins {
`kotlin-dsl`
`kotlin-dsl-precompiled-script-plugins`
}
repositories {
google()
jcenter()
maven("https://maven.pkg.jetbrains.space/public/p/compose/dev")
}
buildscript {
repositories {
google()
jcenter()
maven("https://maven.pkg.jetbrains.space/public/p/compose/dev")
}
dependencies {
classpath(Deps.JetBrains.Compose.gradlePlugin)
classpath(Deps.JetBrains.Kotlin.gradlePlugin)
classpath(Deps.Android.Tools.Build.gradlePlugin)
}
}
dependencies {
implementation(Deps.JetBrains.Compose.gradlePlugin)
implementation(Deps.JetBrains.Kotlin.gradlePlugin)
implementation(Deps.Android.Tools.Build.gradlePlugin)
implementation(Deps.Squareup.SQLDelight.gradlePlugin)
}
kotlin {
// Add Deps to compilation, so it will become available in main project
sourceSets.getByName("main").kotlin.srcDir("buildSrc/src/main/kotlin")
}

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/build

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examples/todoapp/buildSrc/buildSrc/build.gradle.kts Normal file
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plugins {
`kotlin-dsl`
}
repositories {
jcenter()
}

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examples/todoapp/buildSrc/buildSrc/src/main/kotlin/Deps.kt Normal file
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object Deps {
object JetBrains {
object Kotlin {
private const val VERSION = "1.4.0"
const val gradlePlugin = "org.jetbrains.kotlin:kotlin-gradle-plugin:$VERSION"
const val testCommon = "org.jetbrains.kotlin:kotlin-test-common:$VERSION"
const val testJunit = "org.jetbrains.kotlin:kotlin-test-junit:$VERSION"
const val testAnnotationsCommon = "org.jetbrains.kotlin:kotlin-test-annotations-common:$VERSION"
}
object Compose {
private const val VERSION = "0.1.0-dev97"
const val gradlePlugin = "org.jetbrains.compose:compose-gradle-plugin:$VERSION"
}
}
object Android {
object Tools {
object Build {
const val gradlePlugin = "com.android.tools.build:gradle:4.0.1"
}
}
}
object ArkIvanov {
object MVIKotlin {
private const val VERSION = "2.0.0"
const val mvikotlin = "com.arkivanov.mvikotlin:mvikotlin:$VERSION"
const val mvikotlinMain = "com.arkivanov.mvikotlin:mvikotlin-main:$VERSION"
const val mvikotlinLogging = "com.arkivanov.mvikotlin:mvikotlin-logging:$VERSION"
const val mvikotlinTimeTravel = "com.arkivanov.mvikotlin:mvikotlin-timetravel:$VERSION"
const val mvikotlinExtensionsReaktive = "com.arkivanov.mvikotlin:mvikotlin-extensions-reaktive:$VERSION"
}
object Decompose {
private const val VERSION = "0.0.10"
const val decompose = "com.arkivanov.decompose:decompose:$VERSION"
}
}
object Badoo {
object Reaktive {
private const val VERSION = "1.1.18"
const val reaktive = "com.badoo.reaktive:reaktive:$VERSION"
const val reaktiveTesting = "com.badoo.reaktive:reaktive-testing:$VERSION"
const val utils = "com.badoo.reaktive:utils:$VERSION"
const val coroutinesInterop = "com.badoo.reaktive:coroutines-interop:$VERSION"
}
}
object Squareup {
object SQLDelight {
private const val VERSION = "1.4.4"
const val gradlePlugin = "com.squareup.sqldelight:gradle-plugin:$VERSION"
const val androidDriver = "com.squareup.sqldelight:android-driver:$VERSION"
const val sqliteDriver = "com.squareup.sqldelight:sqlite-driver:$VERSION"
}
}
}

29
examples/todoapp/buildSrc/src/main/kotlin/multiplatform-compose-setup.gradle.kts Normal file
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import org.jetbrains.compose.compose
plugins {
id("kotlin-multiplatform")
id("org.jetbrains.compose")
}
kotlin {
sourceSets {
named("commonMain") {
dependencies {
api(compose.runtime)
api(compose.foundation)
api(compose.material)
}
}
named("androidMain") {
dependencies {
api("androidx.appcompat:appcompat:1.1.0")
api("androidx.core:core-ktx:1.3.1")
}
}
named("desktopMain") {
dependencies {
api(compose.desktop.common)
}
}
}
}

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examples/todoapp/buildSrc/src/main/kotlin/multiplatform-setup.gradle.kts Normal file
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plugins {
id("com.android.library")
id("kotlin-multiplatform")
}
kotlin {
jvm("desktop")
android()
sourceSets {
named("commonMain") {
dependencies {
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlin)
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlinExtensionsReaktive)
implementation(Deps.ArkIvanov.Decompose.decompose)
implementation(Deps.Badoo.Reaktive.reaktive)
}
}
named("commonTest") {
dependencies {
implementation(Deps.JetBrains.Kotlin.testCommon)
implementation(Deps.JetBrains.Kotlin.testAnnotationsCommon)
}
}
named("androidTest") {
dependencies {
implementation(Deps.JetBrains.Kotlin.testJunit)
}
}
named("desktopTest") {
dependencies {
implementation(Deps.JetBrains.Kotlin.testJunit)
}
}
}
tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
kotlinOptions.jvmTarget = "1.8"
}
}
android {
compileSdkVersion(30)
defaultConfig {
minSdkVersion(23)
targetSdkVersion(30)
}
compileOptions {
sourceCompatibility = JavaVersion.VERSION_1_8
targetCompatibility = JavaVersion.VERSION_1_8
}
sourceSets {
named("main") {
manifest.srcFile("src/androidMain/AndroidManifest.xml")
res.srcDirs("src/androidMain/res")
}
}
}

1
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/build

33
examples/todoapp/common/database/build.gradle.kts Executable file
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plugins {
id("multiplatform-setup")
id("com.squareup.sqldelight")
}
sqldelight {
database("TodoDatabase") {
packageName = "example.todo.database"
}
}
kotlin {
sourceSets {
commonMain {
dependencies {
implementation(Deps.Badoo.Reaktive.reaktive)
}
}
androidMain {
dependencies {
implementation(Deps.Squareup.SQLDelight.androidDriver)
implementation(Deps.Squareup.SQLDelight.sqliteDriver)
}
}
desktopMain {
dependencies {
implementation(Deps.Squareup.SQLDelight.sqliteDriver)
}
}
}
}

2
examples/todoapp/common/database/src/androidMain/AndroidManifest.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<manifest package="example.todo.common.database"/>

13
examples/todoapp/common/database/src/androidMain/kotlin/example/todo/common/database/TestDatabaseDriverFactory.kt Normal file
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package example.todo.common.database
import com.squareup.sqldelight.db.SqlDriver
import com.squareup.sqldelight.sqlite.driver.JdbcSqliteDriver
import example.todo.database.TodoDatabase
@Suppress("FunctionName") // FactoryFunction
actual fun TestDatabaseDriver(): SqlDriver {
val driver = JdbcSqliteDriver(JdbcSqliteDriver.IN_MEMORY)
TodoDatabase.Schema.create(driver)
return driver
}

14
examples/todoapp/common/database/src/androidMain/kotlin/example/todo/common/database/TodoDatabaseDriverFactory.kt Normal file
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@@ -0,0 +1,14 @@
package example.todo.common.database
import android.content.Context
import com.squareup.sqldelight.android.AndroidSqliteDriver
import com.squareup.sqldelight.db.SqlDriver
import example.todo.database.TodoDatabase
@Suppress("FunctionName") // FactoryFunction
fun TodoDatabaseDriver(context: Context): SqlDriver =
AndroidSqliteDriver(
schema = TodoDatabase.Schema,
context = context,
name = "TodoDatabase.db"
)

28
examples/todoapp/common/database/src/commonMain/kotlin/example/todo/common/database/ReaktiveExt.kt Normal file
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package example.todo.common.database
import com.badoo.reaktive.base.setCancellable
import com.badoo.reaktive.observable.Observable
import com.badoo.reaktive.observable.map
import com.badoo.reaktive.observable.observable
import com.badoo.reaktive.observable.observeOn
import com.badoo.reaktive.scheduler.ioScheduler
import com.squareup.sqldelight.Query
fun <T : Any, R> Query<T>.asObservable(execute: (Query<T>) -> R): Observable<R> =
asObservable()
.observeOn(ioScheduler)
.map(execute)
fun <T : Any> Query<T>.asObservable(): Observable<Query<T>> =
observable { emitter ->
val listener =
object : Query.Listener {
override fun queryResultsChanged() {
emitter.onNext(this@asObservable)
}
}
emitter.onNext(this@asObservable)
addListener(listener)
emitter.setCancellable { removeListener(listener) }
}

6
examples/todoapp/common/database/src/commonMain/kotlin/example/todo/common/database/TestDatabaseDriverFactory.kt Normal file
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package example.todo.common.database
import com.squareup.sqldelight.db.SqlDriver
@Suppress("FunctionName")
expect fun TestDatabaseDriver(): SqlDriver

36
examples/todoapp/common/database/src/commonMain/sqldelight/example/todo/common/database/TodoDatabase.sq Normal file
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CREATE TABLE IF NOT EXISTS TodoItemEntity (
id INTEGER PRIMARY KEY AUTOINCREMENT,
orderNum INTEGER NOT NULL,
text TEXT NOT NULL,
isDone INTEGER AS Boolean NOT NULL DEFAULT 0
);
selectAll:
SELECT *
FROM TodoItemEntity;
select:
SELECT *
FROM TodoItemEntity
WHERE id = :id;
add:
INSERT INTO TodoItemEntity (orderNum, text)
VALUES ((CASE (SELECT COUNT(*) FROM TodoItemEntity) WHEN 0 THEN 1 ELSE (SELECT MAX(orderNum)+1 FROM TodoItemEntity) END), :text);
setText:
UPDATE TodoItemEntity
SET text = :text
WHERE id = :id;
setDone:
UPDATE TodoItemEntity
SET isDone = :isDone
WHERE id = :id;
delete:
DELETE FROM TodoItemEntity
WHERE id = :id;
getLastInsertId:
SELECT last_insert_rowid();

13
examples/todoapp/common/database/src/desktopMain/kotlin/example/todo/common/database/TestDatabaseDriverFactory.kt Normal file
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package example.todo.common.database
import com.squareup.sqldelight.db.SqlDriver
import com.squareup.sqldelight.sqlite.driver.JdbcSqliteDriver
import example.todo.database.TodoDatabase
@Suppress("FunctionName") // FactoryFunction
actual fun TestDatabaseDriver(): SqlDriver {
val driver = JdbcSqliteDriver(JdbcSqliteDriver.IN_MEMORY)
TodoDatabase.Schema.create(driver)
return driver
}

15
examples/todoapp/common/database/src/desktopMain/kotlin/example/todo/common/database/TodoDatabaseDriverFactory.kt Normal file
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package example.todo.common.database
import com.squareup.sqldelight.db.SqlDriver
import com.squareup.sqldelight.sqlite.driver.JdbcSqliteDriver
import example.todo.database.TodoDatabase
import java.io.File
@Suppress("FunctionName") // FactoryFunction
fun TodoDatabaseDriver(): SqlDriver {
val databasePath = File(System.getProperty("java.io.tmpdir"), "ComposeTodoDatabase.db")
val driver = JdbcSqliteDriver(url = "jdbc:sqlite:${databasePath.absolutePath}")
TodoDatabase.Schema.create(driver)
return driver
}

1
examples/todoapp/common/edit/.gitignore vendored Normal file
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/build

19
examples/todoapp/common/edit/build.gradle.kts Executable file
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plugins {
id("multiplatform-setup")
id("multiplatform-compose-setup")
}
kotlin {
sourceSets {
named("commonMain") {
dependencies {
implementation(project(":common:utils"))
implementation(project(":common:database"))
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlin)
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlinExtensionsReaktive)
implementation(Deps.ArkIvanov.Decompose.decompose)
implementation(Deps.Badoo.Reaktive.reaktive)
}
}
}
}

2
examples/todoapp/common/edit/src/androidMain/AndroidManifest.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<manifest package="example.todo.common.edit"/>

27
examples/todoapp/common/edit/src/commonMain/kotlin/example/todo/common/edit/TodoEdit.kt Normal file
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package example.todo.common.edit
import com.arkivanov.decompose.ComponentContext
import com.arkivanov.mvikotlin.core.store.StoreFactory
import com.badoo.reaktive.base.Consumer
import example.todo.common.edit.TodoEdit.Dependencies
import example.todo.common.edit.integration.TodoEditImpl
import example.todo.common.utils.Component
import example.todo.database.TodoDatabase
interface TodoEdit : Component {
interface Dependencies {
val storeFactory: StoreFactory
val database: TodoDatabase
val itemId: Long
val editOutput: Consumer<Output>
}
sealed class Output {
object Finished : Output()
}
}
@Suppress("FunctionName") // Factory function
fun TodoEdit(componentContext: ComponentContext, dependencies: Dependencies): TodoEdit =
TodoEditImpl(componentContext, dependencies)

6
examples/todoapp/common/edit/src/commonMain/kotlin/example/todo/common/edit/TodoItem.kt Normal file
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package example.todo.common.edit
data class TodoItem(
val text: String,
val isDone: Boolean
)

37
examples/todoapp/common/edit/src/commonMain/kotlin/example/todo/common/edit/integration/TodoEditImpl.kt Normal file
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@@ -0,0 +1,37 @@
package example.todo.common.edit.integration
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import com.arkivanov.decompose.ComponentContext
import example.todo.common.edit.TodoEdit
import example.todo.common.edit.TodoEdit.Dependencies
import example.todo.common.edit.store.TodoEditStoreProvider
import example.todo.common.edit.ui.TodoEditUi
import example.todo.common.utils.composeState
import example.todo.common.utils.getStore
internal class TodoEditImpl(
componentContext: ComponentContext,
dependencies: Dependencies
) : TodoEdit, ComponentContext by componentContext, Dependencies by dependencies {
private val store =
instanceKeeper.getStore {
TodoEditStoreProvider(
storeFactory = storeFactory,
database = TodoEditStoreDatabase(queries = database.todoDatabaseQueries),
id = itemId
).provide()
}
@Composable
override fun invoke() {
val state by store.composeState
TodoEditUi(
state = state,
output = editOutput,
intents = store::accept
)
}
}

42
examples/todoapp/common/edit/src/commonMain/kotlin/example/todo/common/edit/integration/TodoEditStoreDatabase.kt Normal file
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@@ -0,0 +1,42 @@
package example.todo.common.edit.integration
import com.badoo.reaktive.completable.Completable
import com.badoo.reaktive.completable.completableFromFunction
import com.badoo.reaktive.completable.subscribeOn
import com.badoo.reaktive.maybe.Maybe
import com.badoo.reaktive.maybe.map
import com.badoo.reaktive.maybe.maybeFromFunction
import com.badoo.reaktive.maybe.notNull
import com.badoo.reaktive.maybe.subscribeOn
import com.badoo.reaktive.scheduler.ioScheduler
import com.squareup.sqldelight.Query
import example.todo.common.database.TodoDatabaseQueries
import example.todo.common.database.TodoItemEntity
import example.todo.common.edit.TodoItem
import example.todo.common.edit.store.TodoEditStoreProvider.Database
internal class TodoEditStoreDatabase(
private val queries: TodoDatabaseQueries
) : Database {
override fun load(id: Long): Maybe<TodoItem> =
maybeFromFunction { queries.select(id = id) }
.subscribeOn(ioScheduler)
.map(Query<TodoItemEntity>::executeAsOne)
.notNull()
.map { it.toItem() }
private fun TodoItemEntity.toItem(): TodoItem =
TodoItem(
text = text,
isDone = isDone
)
override fun setText(id: Long, text: String): Completable =
completableFromFunction { queries.setText(id = id, text = text) }
.subscribeOn(ioScheduler)
override fun setDone(id: Long, isDone: Boolean): Completable =
completableFromFunction { queries.setDone(id = id, isDone = isDone) }
.subscribeOn(ioScheduler)
}

24
examples/todoapp/common/edit/src/commonMain/kotlin/example/todo/common/edit/store/TodoEditStore.kt Normal file
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package example.todo.common.edit.store
import com.arkivanov.mvikotlin.core.store.Store
import example.todo.common.edit.TodoItem
import example.todo.common.edit.store.TodoEditStore.Intent
import example.todo.common.edit.store.TodoEditStore.Label
import example.todo.common.edit.store.TodoEditStore.State
internal interface TodoEditStore : Store<Intent, State, Label> {
sealed class Intent {
data class SetText(val text: String) : Intent()
data class SetDone(val isDone: Boolean) : Intent()
}
data class State(
val text: String = "",
val isDone: Boolean = false
)
sealed class Label {
data class Changed(val item: TodoItem) : Label()
}
}

83
examples/todoapp/common/edit/src/commonMain/kotlin/example/todo/common/edit/store/TodoEditStoreProvider.kt Normal file
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package example.todo.common.edit.store
import com.arkivanov.mvikotlin.core.store.Reducer
import com.arkivanov.mvikotlin.core.store.SimpleBootstrapper
import com.arkivanov.mvikotlin.core.store.Store
import com.arkivanov.mvikotlin.core.store.StoreFactory
import com.arkivanov.mvikotlin.extensions.reaktive.ReaktiveExecutor
import com.badoo.reaktive.completable.Completable
import com.badoo.reaktive.maybe.Maybe
import com.badoo.reaktive.maybe.map
import com.badoo.reaktive.maybe.observeOn
import com.badoo.reaktive.scheduler.mainScheduler
import example.todo.common.edit.TodoItem
import example.todo.common.edit.store.TodoEditStore.Intent
import example.todo.common.edit.store.TodoEditStore.Label
import example.todo.common.edit.store.TodoEditStore.State
internal class TodoEditStoreProvider(
private val storeFactory: StoreFactory,
private val database: Database,
private val id: Long
) {
fun provide(): TodoEditStore =
object : TodoEditStore, Store<Intent, State, Label> by storeFactory.create(
name = "EditStore",
initialState = State(),
bootstrapper = SimpleBootstrapper(Unit),
executorFactory = ::ExecutorImpl,
reducer = ReducerImpl
) {}
private sealed class Result {
data class Loaded(val item: TodoItem) : Result()
data class TextChanged(val text: String) : Result()
data class DoneChanged(val isDone: Boolean) : Result()
}
private inner class ExecutorImpl : ReaktiveExecutor<Intent, Unit, State, Result, Label>() {
override fun executeAction(action: Unit, getState: () -> State) {
database
.load(id = id)
.map(Result::Loaded)
.observeOn(mainScheduler)
.subscribeScoped(onSuccess = ::dispatch)
}
override fun executeIntent(intent: Intent, getState: () -> State) =
when (intent) {
is Intent.SetText -> setText(text = intent.text, state = getState())
is Intent.SetDone -> setDone(isDone = intent.isDone, state = getState())
}
private fun setText(text: String, state: State) {
dispatch(Result.TextChanged(text = text))
publish(Label.Changed(TodoItem(text = text, isDone = state.isDone)))
database.setText(id = id, text = text).subscribeScoped()
}
private fun setDone(isDone: Boolean, state: State) {
dispatch(Result.DoneChanged(isDone = isDone))
publish(Label.Changed(TodoItem(text = state.text, isDone = isDone)))
database.setDone(id = id, isDone = isDone).subscribeScoped()
}
}
private object ReducerImpl : Reducer<State, Result> {
override fun State.reduce(result: Result): State =
when (result) {
is Result.Loaded -> copy(text = result.item.text, isDone = result.item.isDone)
is Result.TextChanged -> copy(text = result.text)
is Result.DoneChanged -> copy(isDone = result.isDone)
}
}
interface Database {
fun load(id: Long): Maybe<TodoItem>
fun setText(id: Long, text: String): Completable
fun setDone(id: Long, isDone: Boolean): Completable
}
}

60
examples/todoapp/common/edit/src/commonMain/kotlin/example/todo/common/edit/ui/TodoEditUi.kt Normal file
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package example.todo.common.edit.ui
import androidx.compose.foundation.Icon
import androidx.compose.foundation.Text
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.width
import androidx.compose.material.Checkbox
import androidx.compose.material.IconButton
import androidx.compose.material.TextField
import androidx.compose.material.TopAppBar
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.ArrowBack
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.unit.dp
import com.badoo.reaktive.base.Consumer
import example.todo.common.edit.TodoEdit.Output
import example.todo.common.edit.store.TodoEditStore.Intent
import example.todo.common.edit.store.TodoEditStore.State
@Composable
internal fun TodoEditUi(
state: State,
output: Consumer<Output>,
intents: (Intent) -> Unit
) {
Column(horizontalAlignment = Alignment.CenterHorizontally) {
TopAppBar(
title = { Text("Edit todo") },
navigationIcon = {
IconButton(onClick = { output.onNext(Output.Finished) }) {
Icon(Icons.Default.ArrowBack)
}
}
)
TextField(
value = state.text,
modifier = Modifier.weight(1F).fillMaxWidth().padding(8.dp),
label = { Text("Todo text") },
onValueChange = { intents(Intent.SetText(text = it)) }
)
Row(modifier = Modifier.padding(8.dp)) {
Text(text = "Completed")
Spacer(modifier = Modifier.width(8.dp))
Checkbox(
checked = state.isDone,
onCheckedChange = { intents(Intent.SetDone(isDone = it)) }
)
}
}
}

1
examples/todoapp/common/main/.gitignore vendored Normal file
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@@ -0,0 +1 @@
/build

27
examples/todoapp/common/main/build.gradle.kts Executable file
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@@ -0,0 +1,27 @@
plugins {
id("multiplatform-setup")
id("multiplatform-compose-setup")
}
kotlin {
sourceSets {
named("commonMain") {
dependencies {
implementation(project(":common:utils"))
implementation(project(":common:database"))
implementation(Deps.ArkIvanov.Decompose.decompose)
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlin)
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlinExtensionsReaktive)
implementation(Deps.Badoo.Reaktive.reaktive)
}
}
named("commonTest") {
dependencies {
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlinMain)
implementation(Deps.Badoo.Reaktive.reaktiveTesting)
implementation(Deps.Badoo.Reaktive.utils)
}
}
}
}

2
examples/todoapp/common/main/src/androidMain/AndroidManifest.xml Executable file
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@@ -0,0 +1,2 @@
<?xml version="1.0" encoding="utf-8"?>
<manifest package="example.todo.common.main"/>

26
examples/todoapp/common/main/src/commonMain/kotlin/example/todo/common/main/TodoMain.kt Normal file
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@@ -0,0 +1,26 @@
package example.todo.common.main
import com.arkivanov.decompose.ComponentContext
import com.arkivanov.mvikotlin.core.store.StoreFactory
import com.badoo.reaktive.base.Consumer
import example.todo.common.main.TodoMain.Dependencies
import example.todo.common.main.integration.TodoMainImpl
import example.todo.common.utils.Component
import example.todo.database.TodoDatabase
interface TodoMain : Component {
interface Dependencies {
val storeFactory: StoreFactory
val database: TodoDatabase
val mainOutput: Consumer<Output>
}
sealed class Output {
data class Selected(val id: Long) : Output()
}
}
@Suppress("FunctionName") // Factory function
fun TodoMain(componentContext: ComponentContext, dependencies: Dependencies): TodoMain =
TodoMainImpl(componentContext, dependencies)

49
examples/todoapp/common/main/src/commonMain/kotlin/example/todo/common/main/integration/TodoMainImpl.kt Normal file
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@@ -0,0 +1,49 @@
package example.todo.common.main.integration
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import com.arkivanov.decompose.ComponentContext
import example.todo.common.main.TodoMain
import example.todo.common.main.TodoMain.Dependencies
import example.todo.common.main.TodoMain.Output
import example.todo.common.main.store.TodoMainStore.Intent
import example.todo.common.main.store.TodoMainStore.State
import example.todo.common.main.store.TodoMainStoreProvider
import example.todo.common.main.ui.TodoMainUi
import example.todo.common.utils.composeState
import example.todo.common.utils.getStore
internal class TodoMainImpl(
componentContext: ComponentContext,
dependencies: Dependencies
) : TodoMain, ComponentContext by componentContext, Dependencies by dependencies {
private val store =
instanceKeeper.getStore {
TodoMainStoreProvider(
storeFactory = storeFactory,
database = TodoMainStoreDatabase(queries = database.todoDatabaseQueries)
).provide()
}
internal val state: State get() = store.state
@Composable
override fun invoke() {
val state by store.composeState
TodoMainUi(
state = state,
output = mainOutput,
intents = store::accept
)
}
internal fun onIntent(intent: Intent) {
store.accept(intent)
}
internal fun onOutput(output: Output) {
mainOutput.onNext(output)
}
}

50
examples/todoapp/common/main/src/commonMain/kotlin/example/todo/common/main/integration/TodoMainStoreDatabase.kt Normal file
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package example.todo.common.main.integration
import com.badoo.reaktive.completable.Completable
import com.badoo.reaktive.completable.completableFromFunction
import com.badoo.reaktive.completable.subscribeOn
import com.badoo.reaktive.observable.Observable
import com.badoo.reaktive.observable.mapIterable
import com.badoo.reaktive.scheduler.ioScheduler
import com.squareup.sqldelight.Query
import example.todo.common.database.TodoDatabaseQueries
import example.todo.common.database.TodoItemEntity
import example.todo.common.database.asObservable
import example.todo.common.main.store.TodoItem
import example.todo.common.main.store.TodoMainStoreProvider
internal class TodoMainStoreDatabase(
private val queries: TodoDatabaseQueries
) : TodoMainStoreProvider.Database {
override val updates: Observable<List<TodoItem>> =
queries
.selectAll()
.asObservable(Query<TodoItemEntity>::executeAsList)
.mapIterable { it.toItem() }
private fun TodoItemEntity.toItem(): TodoItem =
TodoItem(
id = id,
order = orderNum,
text = text,
isDone = isDone
)
override fun setDone(id: Long, isDone: Boolean): Completable =
completableFromFunction { queries.setDone(id = id, isDone = isDone) }
.subscribeOn(ioScheduler)
override fun delete(id: Long): Completable =
completableFromFunction { queries.delete(id = id) }
.subscribeOn(ioScheduler)
override fun add(text: String): Completable =
completableFromFunction {
queries.transactionWithResult {
queries.add(text = text)
val lastId = queries.getLastInsertId().executeAsOne()
queries.select(id = lastId).executeAsOne()
}
}.subscribeOn(ioScheduler)
}

8
examples/todoapp/common/main/src/commonMain/kotlin/example/todo/common/main/store/TodoItem.kt Normal file
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package example.todo.common.main.store
internal data class TodoItem(
val id: Long = 0L,
val order: Long = 0L,
val text: String = "",
val isDone: Boolean = false
)

20
examples/todoapp/common/main/src/commonMain/kotlin/example/todo/common/main/store/TodoMainStore.kt Normal file
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package example.todo.common.main.store
import com.arkivanov.mvikotlin.core.store.Store
import example.todo.common.main.store.TodoMainStore.Intent
import example.todo.common.main.store.TodoMainStore.State
internal interface TodoMainStore : Store<Intent, State, Nothing> {
sealed class Intent {
data class SetItemDone(val id: Long, val isDone: Boolean) : Intent()
data class DeleteItem(val id: Long) : Intent()
data class SetText(val text: String) : Intent()
object AddItem : Intent()
}
data class State(
val items: List<TodoItem> = emptyList(),
val text: String = ""
)
}

106
examples/todoapp/common/main/src/commonMain/kotlin/example/todo/common/main/store/TodoMainStoreProvider.kt Normal file
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package example.todo.common.main.store
import com.arkivanov.mvikotlin.core.store.Reducer
import com.arkivanov.mvikotlin.core.store.SimpleBootstrapper
import com.arkivanov.mvikotlin.core.store.Store
import com.arkivanov.mvikotlin.core.store.StoreFactory
import com.arkivanov.mvikotlin.extensions.reaktive.ReaktiveExecutor
import com.badoo.reaktive.completable.Completable
import com.badoo.reaktive.observable.Observable
import com.badoo.reaktive.observable.map
import com.badoo.reaktive.observable.observeOn
import com.badoo.reaktive.scheduler.mainScheduler
import example.todo.common.main.store.TodoMainStore.Intent
import example.todo.common.main.store.TodoMainStore.State
internal class TodoMainStoreProvider(
private val storeFactory: StoreFactory,
private val database: Database
) {
fun provide(): TodoMainStore =
object : TodoMainStore, Store<Intent, State, Nothing> by storeFactory.create(
name = "TodoListStore",
initialState = State(),
bootstrapper = SimpleBootstrapper(Unit),
executorFactory = ::ExecutorImpl,
reducer = ReducerImpl
) {}
private sealed class Result {
data class ItemsLoaded(val items: List<TodoItem>) : Result()
data class ItemDoneChanged(val id: Long, val isDone: Boolean) : Result()
data class ItemDeleted(val id: Long) : Result()
data class TextChanged(val text: String) : Result()
}
private inner class ExecutorImpl : ReaktiveExecutor<Intent, Unit, State, Result, Nothing>() {
override fun executeAction(action: Unit, getState: () -> State) {
database
.updates
.observeOn(mainScheduler)
.map(Result::ItemsLoaded)
.subscribeScoped(onNext = ::dispatch)
}
override fun executeIntent(intent: Intent, getState: () -> State): Unit =
when (intent) {
is Intent.SetItemDone -> setItemDone(id = intent.id, isDone = intent.isDone)
is Intent.DeleteItem -> deleteItem(id = intent.id)
is Intent.SetText -> dispatch(Result.TextChanged(text = intent.text))
is Intent.AddItem -> addItem(state = getState())
}
private fun setItemDone(id: Long, isDone: Boolean) {
dispatch(Result.ItemDoneChanged(id = id, isDone = isDone))
database.setDone(id = id, isDone = isDone).subscribeScoped()
}
private fun deleteItem(id: Long) {
dispatch(Result.ItemDeleted(id = id))
database.delete(id = id).subscribeScoped()
}
private fun addItem(state: State) {
if (state.text.isNotEmpty()) {
dispatch(Result.TextChanged(text = ""))
database.add(text = state.text).subscribeScoped()
}
}
}
private object ReducerImpl : Reducer<State, Result> {
override fun State.reduce(result: Result): State =
when (result) {
is Result.ItemsLoaded -> copy(items = result.items.sorted())
is Result.ItemDoneChanged -> update(id = result.id) { copy(isDone = result.isDone) }
is Result.ItemDeleted -> copy(items = items.filterNot { it.id == result.id })
is Result.TextChanged -> copy(text = result.text)
}
private inline fun State.update(id: Long, func: TodoItem.() -> TodoItem): State {
val item = items.find { it.id == id } ?: return this
return put(item.func())
}
private fun State.put(item: TodoItem): State {
val oldItems = items.associateByTo(mutableMapOf(), TodoItem::id)
val oldItem: TodoItem? = oldItems.put(item.id, item)
return copy(items = if (oldItem?.order == item.order) oldItems.values.toList() else oldItems.values.sorted())
}
private fun Iterable<TodoItem>.sorted(): List<TodoItem> = sortedByDescending(TodoItem::order)
}
interface Database {
val updates: Observable<List<TodoItem>>
fun setDone(id: Long, isDone: Boolean): Completable
fun delete(id: Long): Completable
fun add(text: String): Completable
}
}

119
examples/todoapp/common/main/src/commonMain/kotlin/example/todo/common/main/ui/TodoMainUi.kt Normal file
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package example.todo.common.main.ui
import androidx.compose.foundation.Icon
import androidx.compose.foundation.Text
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.lazy.LazyColumnFor
import androidx.compose.material.Button
import androidx.compose.material.Checkbox
import androidx.compose.material.Divider
import androidx.compose.material.IconButton
import androidx.compose.material.OutlinedTextField
import androidx.compose.material.TopAppBar
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.Delete
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.input.key.ExperimentalKeyInput
import androidx.compose.ui.input.key.Key
import androidx.compose.ui.input.key.keyInputFilter
import androidx.compose.ui.text.AnnotatedString
import androidx.compose.ui.text.style.TextOverflow
import androidx.compose.ui.unit.dp
import com.badoo.reaktive.base.Consumer
import example.todo.common.main.TodoMain.Output
import example.todo.common.main.store.TodoItem
import example.todo.common.main.store.TodoMainStore.Intent
import example.todo.common.main.store.TodoMainStore.State
import example.todo.common.utils.onKeyUp
@Composable
internal fun TodoMainUi(
state: State,
output: Consumer<Output>,
intents: (Intent) -> Unit
) {
Column {
TopAppBar(title = { Text(text = "Todo List") })
Box(Modifier.weight(1F)) {
TodoList(
items = state.items,
onItemClicked = { output.onNext(Output.Selected(id = it)) },
onDoneChanged = { id, isDone -> intents(Intent.SetItemDone(id = id, isDone = isDone)) },
onDeleteItemClicked = { intents(Intent.DeleteItem(id = it)) }
)
}
TodoInput(
text = state.text,
onAddClicked = { intents(Intent.AddItem) },
onTextChanged = { intents(Intent.SetText(text = it)) }
)
}
}
@Composable
private fun TodoList(
items: List<TodoItem>,
onItemClicked: (id: Long) -> Unit,
onDoneChanged: (id: Long, isDone: Boolean) -> Unit,
onDeleteItemClicked: (id: Long) -> Unit
) {
LazyColumnFor(items = items) { item ->
Row(modifier = Modifier.clickable(onClick = { onItemClicked(item.id) })) {
Spacer(modifier = Modifier.width(8.dp))
Checkbox(
checked = item.isDone,
modifier = Modifier.align(Alignment.CenterVertically),
onCheckedChange = { onDoneChanged(item.id, it) }
)
Spacer(modifier = Modifier.width(8.dp))
Text(
text = AnnotatedString(item.text),
modifier = Modifier.weight(1F).align(Alignment.CenterVertically),
maxLines = 1,
overflow = TextOverflow.Ellipsis
)
Spacer(modifier = Modifier.width(8.dp))
IconButton(onClick = { onDeleteItemClicked(item.id) }) {
Icon(Icons.Default.Delete)
}
}
Divider()
}
}
@OptIn(ExperimentalKeyInput::class)
@Composable
private fun TodoInput(
text: String,
onTextChanged: (String) -> Unit,
onAddClicked: () -> Unit
) {
Row(verticalAlignment = Alignment.CenterVertically, modifier = Modifier.padding(8.dp)) {
OutlinedTextField(
value = text,
modifier = Modifier.weight(weight = 1F).keyInputFilter(onKeyUp(Key.Enter, onAddClicked)),
onValueChange = onTextChanged,
label = { Text(text = "Add a todo") }
)
Button(modifier = Modifier.padding(start = 8.dp), onClick = onAddClicked) {
Text(text = "+")
}
}
}

148
examples/todoapp/common/main/src/commonTest/kotlin/example/todo/common/main/integration/TodoMainTest.kt Normal file
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package example.todo.common.main.integration
import com.arkivanov.decompose.DefaultComponentContext
import com.arkivanov.decompose.lifecycle.LifecycleRegistry
import com.arkivanov.mvikotlin.core.store.StoreFactory
import com.arkivanov.mvikotlin.main.store.DefaultStoreFactory
import com.badoo.reaktive.base.Consumer
import com.badoo.reaktive.scheduler.overrideSchedulers
import com.badoo.reaktive.subject.publish.PublishSubject
import com.badoo.reaktive.test.observable.assertValue
import com.badoo.reaktive.test.observable.test
import com.badoo.reaktive.test.scheduler.TestScheduler
import example.todo.common.database.TestDatabaseDriver
import example.todo.common.database.TodoItemEntity
import example.todo.common.main.TodoMain.Dependencies
import example.todo.common.main.TodoMain.Output
import example.todo.common.main.store.TodoItem
import example.todo.common.main.store.TodoMainStore.Intent
import example.todo.database.TodoDatabase
import kotlin.test.BeforeTest
import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertFalse
import kotlin.test.assertNull
import kotlin.test.assertTrue
@Suppress("TestFunctionName")
class TodoMainTest {
private val lifecycle = LifecycleRegistry()
private val database = TodoDatabase(TestDatabaseDriver())
private val outputSubject = PublishSubject<Output>()
private val output = outputSubject.test()
private val queries = database.todoDatabaseQueries
private val impl by lazy {
TodoMainImpl(
componentContext = DefaultComponentContext(lifecycle = lifecycle),
dependencies = object : Dependencies {
override val storeFactory: StoreFactory = DefaultStoreFactory
override val database: TodoDatabase = this@TodoMainTest.database
override val mainOutput: Consumer<Output> = outputSubject
}
)
}
@BeforeTest
fun before() {
overrideSchedulers(
main = { TestScheduler() },
io = { TestScheduler() }
)
}
@Test
fun WHEN_item_added_to_database_THEN_item_displayed() {
queries.add("Item1")
assertEquals("Item1", firstItem().text)
}
@Test
fun WHEN_item_deleted_from_database_THEN_item_not_displayed() {
queries.add("Item1")
val id = lastInsertItem().id
queries.delete(id = id)
assertFalse(impl.state.items.any { it.id == id })
}
@Test
fun WHEN_item_selected_THEN_Output_Selected_emitted() {
queries.add("Item1")
val id = firstItem().id
impl.onOutput(Output.Selected(id = id))
output.assertValue(Output.Selected(id = id))
}
@Test
fun GIVEN_item_isDone_false_WHEN_done_changed_to_true_THEN_item_isDone_true_in_database() {
queries.add("Item1")
val id = firstItem().id
queries.setDone(id = id, isDone = false)
impl.onIntent(Intent.SetItemDone(id = id, isDone = true))
assertTrue(queries.select(id = id).executeAsOne().isDone)
}
@Test
fun GIVEN_item_isDone_true_WHEN_done_changed_to_false_THEN_item_isDone_false_in_database() {
queries.add("Item1")
val id = firstItem().id
queries.setDone(id = id, isDone = true)
impl.onIntent(Intent.SetItemDone(id = id, isDone = false))
assertFalse(queries.select(id = id).executeAsOne().isDone)
}
@Test
fun WHEN_delete_clicked_THEN_item_deleted_in_database() {
queries.add("Item1")
val id = firstItem().id
impl.onIntent(Intent.DeleteItem(id = id))
assertNull(queries.select(id = id).executeAsOneOrNull())
}
@Test
fun WHEN_item_text_changed_in_database_THEN_item_updated() {
queries.add("Item1")
val id = firstItem().id
queries.setText(id = id, text = "New text")
assertEquals("New text", firstItem().text)
}
@Test
fun WHEN_text_changed_THEN_text_updated() {
impl.onIntent(Intent.SetText(text = "Item text"))
assertEquals("Item text", impl.state.text)
}
@Test
fun GIVEN_text_entered_WHEN_add_clicked_THEN_item_added_in_database() {
impl.onIntent(Intent.SetText(text = "Item text"))
impl.onIntent(Intent.AddItem)
assertEquals("Item text", lastInsertItem().text)
}
private fun firstItem(): TodoItem = impl.state.items[0]
private fun lastInsertItem(): TodoItemEntity {
val lastInsertId = queries.getLastInsertId().executeAsOne()
return queries.select(id = lastInsertId).executeAsOne()
}
}

39
examples/todoapp/common/main/src/commonTest/kotlin/example/todo/common/main/store/TestTodoMainStoreDatabase.kt Normal file
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package example.todo.common.main.store
import com.badoo.reaktive.completable.Completable
import com.badoo.reaktive.completable.completableFromFunction
import com.badoo.reaktive.observable.Observable
import com.badoo.reaktive.subject.behavior.BehaviorSubject
internal class TestTodoMainStoreDatabase : TodoMainStoreProvider.Database {
private val subject = BehaviorSubject<List<TodoItem>>(emptyList())
var items: List<TodoItem>
get() = subject.value
set(value) {
subject.onNext(value)
}
override val updates: Observable<List<TodoItem>> = subject
override fun setDone(id: Long, isDone: Boolean): Completable =
completableFromFunction {
update(id = id) { copy(isDone = isDone) }
}
override fun delete(id: Long): Completable =
completableFromFunction {
this.items = items.filterNot { it.id == id }
}
override fun add(text: String): Completable =
completableFromFunction {
val id = items.maxBy(TodoItem::id)?.id?.inc() ?: 1L
this.items += TodoItem(id = id, order = id, text = text)
}
private fun update(id: Long, func: TodoItem.() -> TodoItem) {
items = items.map { if (it.id == id) it.func() else it }
}
}

134
examples/todoapp/common/main/src/commonTest/kotlin/example/todo/common/main/store/TodoMainStoreTest.kt Normal file
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package example.todo.common.main.store
import com.arkivanov.mvikotlin.main.store.DefaultStoreFactory
import com.badoo.reaktive.scheduler.overrideSchedulers
import com.badoo.reaktive.test.scheduler.TestScheduler
import example.todo.common.main.store.TodoMainStore.Intent
import kotlin.test.BeforeTest
import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertFalse
import kotlin.test.assertTrue
@Suppress("TestFunctionName")
class TodoMainStoreTest {
private val database = TestTodoMainStoreDatabase()
private val provider = TodoMainStoreProvider(storeFactory = DefaultStoreFactory, database = database)
@BeforeTest
fun before() {
overrideSchedulers(main = { TestScheduler() })
}
@Test
fun GIVEN_items_in_database_WHEN_created_THEN_loads_items_from_database() {
val item1 = TodoItem(id = 1L, order = 2L, text = "item1")
val item2 = TodoItem(id = 2L, order = 1L, text = "item2", isDone = true)
val item3 = TodoItem(id = 3L, order = 3L, text = "item3")
database.items = listOf(item1, item2, item3)
val store = provider.provide()
assertEquals(listOf(item3, item1, item2), store.state.items)
}
@Test
fun WHEN_items_changed_in_database_THEN_contains_new_items() {
database.items = listOf(TodoItem())
val store = provider.provide()
val item1 = TodoItem(id = 1L, order = 2L, text = "item1")
val item2 = TodoItem(id = 2L, order = 1L, text = "item2", isDone = true)
val item3 = TodoItem(id = 3L, order = 3L, text = "item3")
database.items = listOf(item1, item2, item3)
assertEquals(listOf(item3, item1, item2), store.state.items)
}
@Test
fun WHEN_Intent_SetItemDone_THEN_done_changed_in_state() {
val item1 = TodoItem(id = 1L, text = "item1")
val item2 = TodoItem(id = 2L, text = "item2", isDone = false)
database.items = listOf(item1, item2)
val store = provider.provide()
store.accept(Intent.SetItemDone(id = 2L, isDone = true))
assertTrue(store.state.items.first { it.id == 2L }.isDone)
}
@Test
fun WHEN_Intent_SetItemDone_THEN_done_changed_in_database() {
val item1 = TodoItem(id = 1L, text = "item1")
val item2 = TodoItem(id = 2L, text = "item2", isDone = false)
database.items = listOf(item1, item2)
val store = provider.provide()
store.accept(Intent.SetItemDone(id = 2L, isDone = true))
assertTrue(database.items.first { it.id == 2L }.isDone)
}
@Test
fun WHEN_Intent_DeleteItem_THEN_item_deleted_in_state() {
val item1 = TodoItem(id = 1L, text = "item1")
val item2 = TodoItem(id = 2L, text = "item2")
database.items = listOf(item1, item2)
val store = provider.provide()
store.accept(Intent.DeleteItem(id = 2L))
assertFalse(store.state.items.any { it.id == 2L })
}
@Test
fun WHEN_Intent_DeleteItem_THEN_item_deleted_in_database() {
val item1 = TodoItem(id = 1L, text = "item1")
val item2 = TodoItem(id = 2L, text = "item2")
database.items = listOf(item1, item2)
val store = provider.provide()
store.accept(Intent.DeleteItem(id = 2L))
assertFalse(database.items.any { it.id == 2L })
}
@Test
fun WHEN_Intent_SetText_WHEN_text_changed_in_state() {
val store = provider.provide()
store.accept(Intent.SetText(text = "Item text"))
assertEquals("Item text", store.state.text)
}
@Test
fun GIVEN_text_entered_WHEN_Intent_AddItem_THEN_item_added_in_database() {
val store = provider.provide()
store.accept(Intent.SetText(text = "Item text"))
store.accept(Intent.AddItem)
assertTrue(database.items.any { it.text == "Item text" })
}
@Test
fun GIVEN_text_entered_WHEN_Intent_AddItem_THEN_text_cleared_in_state() {
val store = provider.provide()
store.accept(Intent.SetText(text = "Item text"))
store.accept(Intent.AddItem)
assertEquals("", store.state.text)
}
@Test
fun GIVEN_no_text_entered_WHEN_Intent_AddItem_THEN_item_not_added() {
val store = provider.provide()
store.accept(Intent.AddItem)
assertEquals(0, store.state.items.size)
}
}

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/build

24
examples/todoapp/common/root/build.gradle.kts Executable file
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plugins {
id("multiplatform-setup")
id("multiplatform-compose-setup")
id("kotlin-android-extensions")
}
androidExtensions {
features = setOf("parcelize")
}
kotlin {
sourceSets {
named("commonMain") {
dependencies {
implementation(project(":common:utils"))
implementation(project(":common:database"))
implementation(project(":common:main"))
implementation(project(":common:edit"))
implementation(Deps.ArkIvanov.Decompose.decompose)
implementation(Deps.Badoo.Reaktive.reaktive)
}
}
}
}

2
examples/todoapp/common/root/src/androidMain/AndroidManifest.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<manifest package="example.todo.common.root"/>

20
examples/todoapp/common/root/src/commonMain/kotlin/example/todo/common/root/TodoRoot.kt Normal file
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package example.todo.common.root
import com.arkivanov.decompose.ComponentContext
import com.arkivanov.mvikotlin.core.store.StoreFactory
import example.todo.common.root.TodoRoot.Dependencies
import example.todo.common.root.integration.TodoRootImpl
import example.todo.common.utils.Component
import example.todo.database.TodoDatabase
interface TodoRoot : Component {
interface Dependencies {
val storeFactory: StoreFactory
val database: TodoDatabase
}
}
@Suppress("FunctionName") // Factory function
fun TodoRoot(componentContext: ComponentContext, dependencies: Dependencies): TodoRoot =
TodoRootImpl(componentContext, dependencies)

79
examples/todoapp/common/root/src/commonMain/kotlin/example/todo/common/root/integration/TodoRootImpl.kt Normal file
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package example.todo.common.root.integration
import androidx.compose.runtime.Composable
import com.arkivanov.decompose.ComponentContext
import com.arkivanov.decompose.router
import com.arkivanov.decompose.statekeeper.Parcelable
import com.arkivanov.decompose.statekeeper.Parcelize
import com.badoo.reaktive.base.Consumer
import example.todo.common.edit.TodoEdit
import example.todo.common.main.TodoMain
import example.todo.common.root.TodoRoot
import example.todo.common.root.TodoRoot.Dependencies
import example.todo.common.utils.Component
import example.todo.common.utils.Consumer
import example.todo.common.utils.Crossfade
import example.todo.common.utils.children
internal class TodoRootImpl(
componentContext: ComponentContext,
dependencies: Dependencies
) : TodoRoot, ComponentContext by componentContext, Dependencies by dependencies {
private val router =
router<Configuration, Component>(
initialConfiguration = Configuration.Main,
handleBackButton = true,
componentFactory = ::createChild
)
private fun createChild(configuration: Configuration, componentContext: ComponentContext): Component =
when (configuration) {
is Configuration.Main -> todoMain(componentContext)
is Configuration.Edit -> todoEdit(componentContext, itemId = configuration.itemId)
}
private fun todoMain(componentContext: ComponentContext): TodoMain =
TodoMain(
componentContext = componentContext,
dependencies = object : TodoMain.Dependencies, Dependencies by this {
override val mainOutput: Consumer<TodoMain.Output> = Consumer(::onMainOutput)
}
)
private fun todoEdit(componentContext: ComponentContext, itemId: Long): TodoEdit =
TodoEdit(
componentContext = componentContext,
dependencies = object : TodoEdit.Dependencies, Dependencies by this {
override val itemId: Long = itemId
override val editOutput: Consumer<TodoEdit.Output> = Consumer(::onEditOutput)
}
)
private fun onMainOutput(output: TodoMain.Output): Unit =
when (output) {
is TodoMain.Output.Selected -> router.push(Configuration.Edit(itemId = output.id))
}
private fun onEditOutput(output: TodoEdit.Output): Unit =
when (output) {
is TodoEdit.Output.Finished -> router.pop()
}
@Composable
override fun invoke() {
router.state.children { child, configuration ->
Crossfade(currentChild = child, currentKey = configuration) { currentChild ->
currentChild()
}
}
}
private sealed class Configuration : Parcelable {
@Parcelize
object Main : Configuration()
@Parcelize
data class Edit(val itemId: Long) : Configuration()
}
}

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examples/todoapp/common/utils/.gitignore vendored Normal file
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/build

16
examples/todoapp/common/utils/build.gradle.kts Executable file
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plugins {
id("multiplatform-setup")
id("multiplatform-compose-setup")
}
kotlin {
sourceSets {
named("commonMain") {
dependencies {
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlin)
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlinExtensionsReaktive)
implementation(Deps.ArkIvanov.Decompose.decompose)
}
}
}
}

2
examples/todoapp/common/utils/src/androidMain/AndroidManifest.xml Executable file
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<?xml version="1.0" encoding="utf-8"?>
<manifest package="example.todo.common.list"/>

24
examples/todoapp/common/utils/src/commonMain/kotlin/example/todo/common/utils/Binder.kt Normal file
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package example.todo.common.utils
import com.arkivanov.decompose.ComponentContext
import com.arkivanov.decompose.lifecycle.Lifecycle
import com.arkivanov.decompose.lifecycle.subscribe
import com.arkivanov.mvikotlin.core.binder.Binder
import com.arkivanov.mvikotlin.core.binder.BinderLifecycleMode
import com.arkivanov.mvikotlin.extensions.reaktive.BindingsBuilder
import com.arkivanov.mvikotlin.extensions.reaktive.bind
fun bind(lifecycle: Lifecycle, mode: BinderLifecycleMode, builder: BindingsBuilder.() -> Unit): Binder {
val binder = bind(builder)
when (mode) {
BinderLifecycleMode.CREATE_DESTROY -> lifecycle.subscribe(onCreate = { binder.start() }, onDestroy = { binder.stop() })
BinderLifecycleMode.START_STOP -> lifecycle.subscribe(onStart = { binder.start() }, onStop = { binder.stop() })
BinderLifecycleMode.RESUME_PAUSE -> lifecycle.subscribe(onResume = { binder.start() }, onPause = { binder.stop() })
}.let {}
return binder
}
fun ComponentContext.bind(mode: BinderLifecycleMode, builder: BindingsBuilder.() -> Unit): Binder =
bind(lifecycle, mode, builder)

9
examples/todoapp/common/utils/src/commonMain/kotlin/example/todo/common/utils/Component.kt Normal file
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package example.todo.common.utils
import androidx.compose.runtime.Composable
interface Component {
@Composable
operator fun invoke()
}

16
examples/todoapp/common/utils/src/commonMain/kotlin/example/todo/common/utils/CrossfadeExt.kt Normal file
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package example.todo.common.utils
import androidx.compose.animation.Crossfade
import androidx.compose.runtime.Composable
@Composable
fun <T> Crossfade(currentChild: T, currentKey: Any, children: @Composable() (T) -> Unit) {
Crossfade(current = ChildWrapper(currentChild, currentKey)) {
children(it.child)
}
}
private class ChildWrapper<out T>(val child: T, val key: Any) {
override fun equals(other: Any?): Boolean = key == (other as? ChildWrapper<*>)?.key
override fun hashCode(): Int = key.hashCode()
}

20
examples/todoapp/common/utils/src/commonMain/kotlin/example/todo/common/utils/InstanceKeeperExt.kt Normal file
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package example.todo.common.utils
import com.arkivanov.decompose.instancekeeper.InstanceKeeper
import com.arkivanov.decompose.instancekeeper.getOrCreate
import com.arkivanov.mvikotlin.core.store.Store
fun <T : Store<*, *, *>> InstanceKeeper.getStore(key: Any, factory: () -> T): T =
getOrCreate(key) { StoreHolder(factory()) }
.store
inline fun <reified T : Store<*, *, *>> InstanceKeeper.getStore(noinline factory: () -> T): T =
getStore(T::class, factory)
private class StoreHolder<T : Store<*, *, *>>(
val store: T
) : InstanceKeeper.Instance {
override fun onDestroy() {
store.dispose()
}
}

11
examples/todoapp/common/utils/src/commonMain/kotlin/example/todo/common/utils/ReaktiveExt.kt Normal file
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package example.todo.common.utils
import com.badoo.reaktive.base.Consumer
@Suppress("FunctionName") // Factory function
inline fun <T> Consumer(crossinline block: (T) -> Unit): Consumer<T> =
object : Consumer<T> {
override fun onNext(value: T) {
block(value)
}
}

99
examples/todoapp/common/utils/src/commonMain/kotlin/example/todo/common/utils/RouterStateComposable.kt Normal file
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/*
* Copied from Decompose
*/
package example.todo.common.utils
import androidx.compose.runtime.Composable
import androidx.compose.runtime.Providers
import androidx.compose.runtime.onDispose
import androidx.compose.runtime.remember
import androidx.compose.runtime.savedinstancestate.UiSavedStateRegistry
import androidx.compose.runtime.savedinstancestate.UiSavedStateRegistryAmbient
import com.arkivanov.decompose.RouterState
import com.arkivanov.decompose.statekeeper.Parcelable
import com.arkivanov.decompose.value.Value
private typealias SavedState = Map<String, List<Any?>>
@Composable
fun <C : Parcelable, T : Any> Value<RouterState<C, T>>.children(render: @Composable() (child: T, configuration: C) -> Unit) {
val parentRegistry: UiSavedStateRegistry? = UiSavedStateRegistryAmbient.current
val children = remember { Children<C>() }
if (parentRegistry != null) {
onDispose {
children.inactive.entries.forEach { (key, value) ->
parentRegistry.unregisterProvider(key, value.provider)
}
children.active?.also {
parentRegistry.unregisterProvider(it.key, it.provider)
}
}
}
invoke { state ->
val activeChildConfiguration = state.activeChild.configuration
val currentChild: ActiveChild<C>? = children.active
if ((currentChild != null) && state.backStack.any { it.configuration === currentChild.configuration }) {
parentRegistry?.unregisterProvider(currentChild.key, currentChild.provider)
val inactiveChild = InactiveChild(configuration = currentChild.configuration, savedState = currentChild.provider())
children.inactive[currentChild.key] = inactiveChild
parentRegistry?.registerProvider(currentChild.key, inactiveChild.provider)
}
val activeChildRegistry: UiSavedStateRegistry
if (currentChild?.configuration === activeChildConfiguration) {
activeChildRegistry = currentChild.registry
} else {
val key = activeChildConfiguration.toString()
val savedChild: InactiveChild<C>? = children.inactive.remove(key)
if (savedChild != null) {
parentRegistry?.unregisterProvider(key, savedChild.provider)
}
@Suppress("UNCHECKED_CAST")
val savedState: SavedState? = savedChild?.savedState ?: parentRegistry?.consumeRestored(key) as SavedState?
activeChildRegistry = UiSavedStateRegistry(savedState) { true }
val newActiveChild = ActiveChild(configuration = activeChildConfiguration, key = key, registry = activeChildRegistry)
children.active = newActiveChild
parentRegistry?.registerProvider(key, newActiveChild.provider)
}
children.inactive.entries.removeAll { (key, value) ->
val remove = state.backStack.none { it.configuration === value.configuration }
if (remove) {
parentRegistry?.unregisterProvider(key, value.provider)
}
remove
}
Providers(UiSavedStateRegistryAmbient provides activeChildRegistry) {
render(state.activeChild.component, activeChildConfiguration)
}
}
}
private class Children<C : Parcelable> {
val inactive: MutableMap<String, InactiveChild<C>> = HashMap()
var active: ActiveChild<C>? = null
}
private class ActiveChild<out C : Parcelable>(
val configuration: C,
val key: String,
val registry: UiSavedStateRegistry
) {
val provider: () -> SavedState = registry::performSave
}
private class InactiveChild<out C : Parcelable>(
val configuration: C,
val savedState: SavedState
) {
val provider: () -> SavedState = ::savedState
}

16
examples/todoapp/common/utils/src/commonMain/kotlin/example/todo/common/utils/ShortcutHandler.kt Normal file
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package example.todo.common.utils
import androidx.compose.ui.input.key.ExperimentalKeyInput
import androidx.compose.ui.input.key.Key
import androidx.compose.ui.input.key.KeyEvent
@OptIn(ExperimentalKeyInput::class)
fun onKeyUp(key: Key, onEvent: () -> Unit): (KeyEvent) -> Boolean =
{ keyEvent ->
if (keyEvent.key == key) {
onEvent()
true
} else {
false
}
}

20
examples/todoapp/common/utils/src/commonMain/kotlin/example/todo/common/utils/StoreExt.kt Normal file
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package example.todo.common.utils
import androidx.compose.runtime.Composable
import androidx.compose.runtime.State
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.onDispose
import androidx.compose.runtime.remember
import com.arkivanov.mvikotlin.core.store.Store
import com.arkivanov.mvikotlin.extensions.reaktive.states
import com.badoo.reaktive.observable.subscribe
@Composable
val <T : Any> Store<*, T, *>.composeState: State<T>
get() {
val composeState = remember(this) { mutableStateOf(state) }
val disposable = states.subscribe(onNext = { composeState.value = it })
onDispose(disposable::dispose)
return composeState
}

34
examples/todoapp/common/utils/src/commonMain/kotlin/example/todo/common/utils/ValueComposable.kt Normal file
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/*
* Copied from Decompose
*/
package example.todo.common.utils
import androidx.compose.runtime.Composable
import androidx.compose.runtime.State
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.onDispose
import androidx.compose.runtime.remember
import com.arkivanov.decompose.value.Value
import com.arkivanov.decompose.value.ValueObserver
@Composable
fun <T : Any> Value<T>.asState(): State<T> {
val composeState = remember(this) { mutableStateOf(value) }
val observer =
remember(this) {
val observer: ValueObserver<T> = { composeState.value = it }
subscribe(observer)
observer
}
onDispose { unsubscribe(observer) }
return composeState
}
@Composable
operator fun <T : Any> Value<T>.invoke(render: @Composable() (T) -> Unit) {
render(asState().value)
}

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examples/todoapp/desktop/.gitignore vendored Normal file
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/build

24
examples/todoapp/desktop/build.gradle.kts Executable file
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import org.jetbrains.compose.compose
plugins {
kotlin("jvm")
id("org.jetbrains.compose")
java
application
}
dependencies {
implementation(compose.desktop.all)
implementation(project(":common:utils"))
implementation(project(":common:database"))
implementation(project(":common:root"))
implementation(Deps.ArkIvanov.Decompose.decompose)
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlin)
implementation(Deps.ArkIvanov.MVIKotlin.mvikotlinMain)
implementation(Deps.Badoo.Reaktive.reaktive)
implementation(Deps.Badoo.Reaktive.coroutinesInterop)
}
application {
mainClassName = "example.todo.desktop.MainKt"
}

35
examples/todoapp/desktop/src/main/kotlin/example/todo/desktop/Main.kt Executable file
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package example.todo.desktop
import androidx.compose.desktop.AppWindow
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.material.Surface
import androidx.compose.ui.Modifier
import com.arkivanov.decompose.DefaultComponentContext
import com.arkivanov.decompose.lifecycle.LifecycleRegistry
import com.arkivanov.decompose.lifecycle.resume
import com.arkivanov.mvikotlin.main.store.DefaultStoreFactory
import com.badoo.reaktive.coroutinesinterop.asScheduler
import com.badoo.reaktive.scheduler.overrideSchedulers
import example.todo.common.database.TodoDatabaseDriver
import example.todo.common.root.TodoRoot
import example.todo.database.TodoDatabase
import kotlinx.coroutines.Dispatchers
fun main() {
overrideSchedulers(main = Dispatchers.Main::asScheduler)
val lifecycle = LifecycleRegistry()
lifecycle.resume()
AppWindow("Todo").show {
Surface(modifier = Modifier.fillMaxSize()) {
TodoRoot(
componentContext = DefaultComponentContext(lifecycle),
dependencies = object : TodoRoot.Dependencies {
override val storeFactory = DefaultStoreFactory
override val database = TodoDatabase(TodoDatabaseDriver())
}
).invoke()
}
}
}

23
examples/todoapp/gradle.properties Executable file
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# 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
# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. More details, visit
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec: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
# Automatically convert third-party libraries to use AndroidX
android.enableJetifier=true
# Kotlin code style for this project: "official" or "obsolete":
kotlin.code.style=official
org.gradle.parallel=true
org.gradle.caching=true

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examples/todoapp/gradle/wrapper/gradle-wrapper.jar vendored Normal file
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examples/todoapp/gradle/wrapper/gradle-wrapper.properties vendored Executable file
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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

185
examples/todoapp/gradlew vendored Executable file
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#!/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 "$JAVACMD" "$@"

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examples/todoapp/gradlew.bat vendored Executable file
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@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 init
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 init
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
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
: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 %CMD_LINE_ARGS%
: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

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examples/todoapp/settings.gradle.kts Executable file
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include(
":common:utils",
":common:database",
":common:main",
":common:edit",
":common:root",
":android",
":desktop"
)