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Add service-metro sample app with Metro DI framework
Co-authored-by: ArthurKun21 <16458204+ArthurKun21@users.noreply.github.com>
1 parent 5c14e44 commit 6415656

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‎gradle/libs.versions.toml‎

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hilt = "2.59"
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ksp = "2.3.5"
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metro = "0.10.2"
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datastore = "1.2.0"
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spotless = "8.2.1"
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dagger-hilt-compiler = { group = "com.google.dagger", name = "hilt-compiler", version.ref = "hilt" }
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dagger-hilt-android = { group = "com.google.dagger", name = "hilt-android", version.ref = "hilt" }
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metro-runtime = { module = "dev.zacsweers.metro:runtime", version.ref = "metro" }
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datastore = { module = "androidx.datastore:datastore", version.ref = "datastore" }
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datastore-preferences = { module = "androidx.datastore:datastore-preferences", version.ref = "datastore" }
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@@ -86,6 +90,7 @@ ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }
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hilt-android = { id = "com.google.dagger.hilt.android", version.ref = "hilt" }
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spotless = { id = "com.diffplug.spotless", version.ref = "spotless" }
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metro = { id = "dev.zacsweers.metro", version.ref = "metro" }
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[bundles]
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datastore = ["datastore", "datastore-preferences"]

‎samples/service-metro/.gitignore‎

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/build

‎samples/service-metro/build.gradle.kts‎

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plugins {
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id("android.application")
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id("android.tests")
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id("sample.common.deps")
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alias(libs.plugins.metro)
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}
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android {
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namespace = "io.github.arthurkun.service.metro"
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defaultConfig {
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applicationId = "io.github.arthurkun.floating.window.metro"
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versionCode = 1
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versionName = "1.0"
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}
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buildTypes {
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release {
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isMinifyEnabled = false
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proguardFiles(
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getDefaultProguardFile("proguard-android-optimize.txt"),
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"proguard-rules.pro",
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)
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signingConfig = signingConfigs.getByName("debug")
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}
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}
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}
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dependencies {
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implementation(project(":library"))
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debugImplementation(libs.compose.ui.tooling)
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debugImplementation(libs.compose.ui.test.manifest)
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implementation(libs.metro.runtime)
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implementation(libs.bundles.datastore)
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}

‎samples/service-metro/proguard-rules.pro‎

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎samples/service-metro/src/androidTest/java/io/github/arthurkun/service/metro/ExampleInstrumentedTest.kt‎

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package io.github.arthurkun.service.metro
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import androidx.test.platform.app.InstrumentationRegistry
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import org.junit.Assert.assertEquals
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import org.junit.Test
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import org.junit.runner.RunWith
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* See [testing documentation](http://d.android.com/tools/testing).
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*/
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@RunWith(AndroidJUnit4::class)
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class ExampleInstrumentedTest {
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@Test
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fun useAppContext() {
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// Context of the app under test.
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext
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assertEquals("io.github.arthurkun.floating.window.metro", appContext.packageName)
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}
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}

‎samples/service-metro/src/main/AndroidManifest.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android">
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<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
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<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
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<application
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android:name=".FloatingApplication"
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.ComposeFloatingWindow">
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<activity
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android:name=".MainActivity"
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android:exported="true"
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android:theme="@style/Theme.ComposeFloatingWindow">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<service android:name=".service.MyService" />
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</application>
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</manifest>

‎samples/service-metro/src/main/java/io/github/arthurkun/service/metro/DialogPermission.kt‎

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package io.github.arthurkun.service.metro
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import androidx.compose.material.icons.Icons
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import androidx.compose.material.icons.filled.Warning
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import androidx.compose.material3.AlertDialog
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import androidx.compose.material3.Icon
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import androidx.compose.material3.Text
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import androidx.compose.material3.TextButton
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.DisposableEffect
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.res.stringResource
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import androidx.lifecycle.DefaultLifecycleObserver
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import androidx.lifecycle.LifecycleOwner
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import androidx.lifecycle.compose.LocalLifecycleOwner
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import com.github.only52607.compose.core.checkOverlayPermission
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import com.github.only52607.compose.core.requestOverlayPermission
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@Composable
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fun DialogPermission(
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onDismiss: () -> Unit = { },
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) {
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val context = LocalContext.current
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val lifecycleOwner = LocalLifecycleOwner.current
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DisposableEffect(lifecycleOwner.lifecycle) {
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val observer = object : DefaultLifecycleObserver {
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override fun onResume(owner: LifecycleOwner) {
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val overlayGranted = checkOverlayPermission(context)
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if (overlayGranted) {
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onDismiss()
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}
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}
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}
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lifecycleOwner.lifecycle.addObserver(observer)
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onDispose {
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lifecycleOwner.lifecycle.removeObserver(observer)
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}
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}
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AlertDialog(
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icon = {
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Icon(
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Icons.Default.Warning,
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contentDescription = stringResource(R.string.permission_required),
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)
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},
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title = {
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Text(text = stringResource(id = R.string.permission_required))
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},
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text = {
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Text(text = stringResource(R.string.message_permission_to_draw_on_top_others_apps))
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},
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onDismissRequest = onDismiss,
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confirmButton = {
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TextButton(
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onClick = {
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requestOverlayPermission(context)
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},
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) {
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Text(stringResource(R.string.grant_permission))
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}
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},
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dismissButton = {
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TextButton(onClick = onDismiss) {
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Text(stringResource(android.R.string.cancel))
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}
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},
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)
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}

‎samples/service-metro/src/main/java/io/github/arthurkun/service/metro/FloatingApplication.kt‎

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package io.github.arthurkun.service.metro
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import android.app.Application
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import dev.zacsweers.metro.createGraphFactory
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import io.github.arthurkun.service.metro.di.AppGraph
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class FloatingApplication : Application() {
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val appGraph: AppGraph by lazy {
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createGraphFactory<AppGraph.Factory>().create(this)
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}
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companion object {
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lateinit var instance: FloatingApplication
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private set
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}
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override fun onCreate() {
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super.onCreate()
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instance = this
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}
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}

‎samples/service-metro/src/main/java/io/github/arthurkun/service/metro/MainActivity.kt‎

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package io.github.arthurkun.service.metro
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import android.os.Bundle
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import androidx.activity.compose.setContent
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import androidx.activity.enableEdgeToEdge
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import androidx.appcompat.app.AppCompatActivity
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import androidx.appcompat.app.AppCompatDelegate
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.height
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import androidx.compose.foundation.layout.padding
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import androidx.compose.material3.Button
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import androidx.compose.material3.Scaffold
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import androidx.compose.material3.Text
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.mutableStateOf
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import androidx.compose.runtime.saveable.rememberSaveable
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import androidx.compose.runtime.setValue
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.unit.dp
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import androidx.lifecycle.Lifecycle
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import androidx.lifecycle.compose.collectAsStateWithLifecycle
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import androidx.lifecycle.lifecycleScope
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import androidx.lifecycle.repeatOnLifecycle
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import com.github.only52607.compose.core.checkOverlayPermission
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import io.github.arthurkun.service.metro.repository.UserPreferencesRepository
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import io.github.arthurkun.service.metro.service.MyService
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import io.github.arthurkun.service.metro.ui.theme.ComposeFloatingWindowTheme
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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class MainActivity : AppCompatActivity() {
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private val userPreferencesRepository: UserPreferencesRepository by lazy {
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FloatingApplication.instance.appGraph.userPreferencesRepository
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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enableEdgeToEdge()
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lifecycleScope.launch {
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repeatOnLifecycle(Lifecycle.State.CREATED) {
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userPreferencesRepository.darkModeFlow.collect { darkMode ->
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withContext(Dispatchers.Main) {
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AppCompatDelegate.setDefaultNightMode(
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if (darkMode) {
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AppCompatDelegate.MODE_NIGHT_YES
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} else {
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AppCompatDelegate.MODE_NIGHT_NO
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},
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)
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}
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}
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}
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}
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setContent {
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ComposeFloatingWindowTheme {
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var showDialogPermission by rememberSaveable { mutableStateOf(false) }
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val isShowing by MyService.serviceStarted.collectAsStateWithLifecycle()
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val context = LocalContext.current
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Scaffold(
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modifier = Modifier.fillMaxSize(),
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) { innerPadding ->
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Column(
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Modifier
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.padding(innerPadding)
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.fillMaxSize(),
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verticalArrangement = Arrangement.Center,
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horizontalAlignment = Alignment.CenterHorizontally,
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) {
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Button(
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onClick = {
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val overlayPermission = checkOverlayPermission(context)
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if (overlayPermission) {
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MyService.start(context)
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} else {
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showDialogPermission = true
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}
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},
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enabled = !isShowing,
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) {
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Text("Show")
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}
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Spacer(modifier = Modifier.height(8.dp))
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Button(
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onClick = {
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MyService.stop(context)
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},
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enabled = isShowing,
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) {
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Text("Hide")
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}
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}
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}
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if (showDialogPermission) {
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DialogPermission(
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onDismiss = {
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showDialogPermission = false
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},
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)
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}
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}
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}
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}
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}

‎samples/service-metro/src/main/java/io/github/arthurkun/service/metro/di/AppGraph.kt‎

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package io.github.arthurkun.service.metro.di
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import android.app.Application
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import android.content.Context
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import androidx.datastore.core.DataStore
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import androidx.datastore.preferences.core.Preferences
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import dev.zacsweers.metro.AppScope
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import dev.zacsweers.metro.DependencyGraph
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import dev.zacsweers.metro.Provides
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import dev.zacsweers.metro.SingleIn
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import io.github.arthurkun.service.metro.module.dataStore
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import io.github.arthurkun.service.metro.repository.UserPreferencesRepository
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@DependencyGraph(AppScope::class)
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interface AppGraph {
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val userPreferencesRepository: UserPreferencesRepository
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val serviceGraphFactory: ServiceGraph.Factory
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@Provides
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fun provideApplicationContext(application: Application): Context = application
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@SingleIn(AppScope::class)
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@Provides
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fun provideDataStore(context: Context): DataStore<Preferences> {
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return context.dataStore
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}
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@DependencyGraph.Factory
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fun interface Factory {
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fun create(@Provides application: Application): AppGraph
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}
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}

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