Initial commit

Android app works, but Android says it uses much more battery than
ntfy.sh, which should never happen
goimapnotify works
Logo is awesome <3
There are problems with constant working, presumably after restarts.

54 files changed, 831 insertions, 0 deletions

diff --git a/android/app/.gitignore b/android/app/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/android/app/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/android/app/build.gradle.kts b/android/app/build.gradle.kts
new file mode 100644
index 0000000..7de522a
--- /dev/null
+++ b/android/app/build.gradle.kts
@@ -0,0 +1,72 @@
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.jetbrains.kotlin.android)
+}
+
+android {
+    namespace = "eu.jopek.dingdongmail"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "eu.jopek.dingdongmail"
+        minSdk = 34
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    buildFeatures {
+        buildConfig = true
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    buildFeatures {
+        compose = true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.1"
+    }
+    packaging {
+        resources {
+            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+        }
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.ui)
+    implementation(libs.androidx.ui.graphics)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.material3)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.ui.test.junit4)
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
+}
\ No newline at end of file
diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
new file mode 100644
index 0000000..481bb43
--- /dev/null
+++ b/android/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file
diff --git a/android/app/src/androidTest/java/eu/jopek/dingdongmail/ExampleInstrumentedTest.kt b/android/app/src/androidTest/java/eu/jopek/dingdongmail/ExampleInstrumentedTest.kt
new file mode 100644
index 0000000..8480519
--- /dev/null
+++ b/android/app/src/androidTest/java/eu/jopek/dingdongmail/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package eu.jopek.dingdongmail
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("eu.jopek.dingdongmail", appContext.packageName)
+    }
+}
\ No newline at end of file
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..de29269
--- /dev/null
+++ b/android/app/src/main/AndroidManifest.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE" />
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.QUICKBOOT_POWERON"/>
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+    <uses-permission android:name="android.permission.WAKE_LOCK"/>
+
+    <queries>
+        <package android:name="eu.faircode.email" />
+    </queries>
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/logo"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/logo_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.DingDongMail"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.DingDongMail">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <service
+            android:name=".MainWorkerService"
+            android:enabled="true"
+            android:exported="false"
+            android:foregroundServiceType="specialUse">
+            <property
+                android:name="android.app.PROPERTY_SPECIAL_USE_FGS_SUBTYPE"
+                android:value="Used to wait for ntfy.sh broadcast to download new mail"/>
+        </service>
+        <receiver
+            android:name=".StartReceiver"
+            android:enabled="true"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+                <action android:name="android.intent.action.QUICKBOOT_POWERON" />
+            </intent-filter>
+        </receiver>
+    </application>
+
+</manifest>
\ No newline at end of file
diff --git a/android/app/src/main/java/eu/jopek/dingdongmail/MainActivity.kt b/android/app/src/main/java/eu/jopek/dingdongmail/MainActivity.kt
new file mode 100644
index 0000000..a13b0d2
--- /dev/null
+++ b/android/app/src/main/java/eu/jopek/dingdongmail/MainActivity.kt
@@ -0,0 +1,74 @@
+package eu.jopek.dingdongmail
+
+import android.content.Intent
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import eu.jopek.dingdongmail.ui.theme.DingDongMailTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            DingDongMailTheme {
+                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+                    Greeting(
+                        modifier = Modifier.padding(innerPadding)
+                    ) {
+                        actionOnService(it)
+                    }
+                }
+            }
+        }
+
+        log("Starting the service from MainActivity.onCreate")
+        Intent(this, MainWorkerService::class.java).also {
+            it.action = Actions.START.name
+            startForegroundService(it)
+        }
+    }
+
+    private fun actionOnService(action: Actions) {
+        log("Starting the service from button")
+        Intent(this, MainWorkerService::class.java).also {
+            it.action = action.name
+            if (action == Actions.STOP) stopService(it)
+            else startForegroundService(it)
+        }
+    }
+}
+
+@Composable
+fun Greeting(modifier: Modifier = Modifier, onClick: (Actions) -> Unit) {
+    Column {
+        Text(
+            text = "Ding-Dong Mail!",
+            modifier = modifier
+        )
+        Button(onClick = { onClick(Actions.START) }) {
+            Text(text = "Start")
+        }
+        Button(onClick = { onClick(Actions.STOP) }) {
+            Text(text = "Stop")
+        }
+    }
+}
+
+@Preview(showBackground = true)
+@Composable
+fun GreetingPreview() {
+    DingDongMailTheme {
+        Greeting() {}
+    }
+}
\ No newline at end of file
diff --git a/android/app/src/main/java/eu/jopek/dingdongmail/MainWorkerService.kt b/android/app/src/main/java/eu/jopek/dingdongmail/MainWorkerService.kt
new file mode 100644
index 0000000..4991c3a
--- /dev/null
+++ b/android/app/src/main/java/eu/jopek/dingdongmail/MainWorkerService.kt
@@ -0,0 +1,169 @@
+package eu.jopek.dingdongmail
+
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.app.Service
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.content.pm.ApplicationInfo
+import android.content.pm.ServiceInfo
+import android.graphics.BitmapFactory
+import android.graphics.Color
+import android.os.Build
+import android.os.IBinder
+import android.os.PowerManager
+import android.util.Log
+import android.widget.Toast
+import eu.jopek.dingdongmail.ui.theme.DingDongMailTheme
+
+fun log(str: String) {
+    if (BuildConfig.DEBUG) {
+        Log.d("Ding-Dong Mail", str)
+    }
+}
+
+enum class Actions {
+    START,
+    STOP
+}
+
+class MainWorkerService : Service() {
+    private var wakeLock: PowerManager.WakeLock? = null
+    private var isServiceStarted = false
+
+    override fun onBind(intent: Intent): IBinder? {
+        log("Some component want to bind with the service")
+        // We don't provide binding, so return null
+        return null
+    }
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        if (intent != null) {
+            val action = intent.action
+            log("using an intent with action $action")
+            when (action) {
+                Actions.START.name -> startService()
+                Actions.STOP.name -> stopService()
+                else -> log("This should never happen. No action in the received intent")
+            }
+        } else {
+            log("with a null intent. It has been probably restarted by the system.")
+        }
+        // by returning this we make sure the service is restarted if the system kills the service
+        return START_STICKY
+    }
+
+    override fun onCreate() {
+        super.onCreate()
+        log("The service has been created")
+        val notification = createNotification()
+        startForeground(ServiceInfo.FOREGROUND_SERVICE_TYPE_SPECIAL_USE, notification)
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        log("The service has been destroyed")
+        Toast.makeText(this, "Service destroyed", Toast.LENGTH_SHORT).show()
+    }
+
+    private fun startService() {
+        if (isServiceStarted) return
+        log("Starting the foreground service task")
+        Toast.makeText(this, "Service starting its task", Toast.LENGTH_SHORT).show()
+        isServiceStarted = true
+
+        // we need this lock so our service gets not affected by Doze Mode
+        wakeLock =
+            (getSystemService(Context.POWER_SERVICE) as PowerManager).run {
+                newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DingDongMail::lock").apply {
+                    acquire()
+                }
+            }
+
+        val i = Intent("eu.faircode.email.DISABLE").apply {
+            setPackage("eu.faircode.email")
+        }
+        startService(i)
+        val intentFilter = IntentFilter("io.heckel.ntfy.MESSAGE_RECEIVED")
+        registerReceiver(receiver, intentFilter, RECEIVER_EXPORTED)
+    }
+
+    private val receiver: BroadcastReceiver = object : BroadcastReceiver() {
+        override fun onReceive(context: Context, intent: Intent) {
+            val msg = intent.getStringExtra("message") ?: return
+            val (email, _mailbox) = msg.split(":", ignoreCase = false, limit = 2)
+            log("email: $email")
+            val i = Intent("eu.faircode.email.POLL").apply {
+                setPackage("eu.faircode.email")
+                putExtra("account", email)
+            }
+            startService(i)
+        }
+    }
+
+    private fun stopService() {
+        log("Stopping the foreground service")
+        Toast.makeText(this, "Service stopping", Toast.LENGTH_SHORT).show()
+        val i = Intent("eu.faircode.email.ENABLE").apply {
+            setPackage("eu.faircode.email")
+        }
+        startService(i)
+        wakeLock?.let {
+            if (it.isHeld) {
+                it.release()
+            }
+        }
+        stopSelf()
+        unregisterReceiver(receiver)
+        isServiceStarted = false
+    }
+
+    private fun createNotification(): Notification {
+        val notificationChannelId = "DING-DONG MAIL - FOREGROUND SERVICE"
+
+        val notificationManager =
+            getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+        val channel = NotificationChannel(
+            notificationChannelId,
+            "Foreground service",
+            NotificationManager.IMPORTANCE_MIN
+        ).let {
+            it.description = "Foreground service"
+            it.enableLights(true)
+            it.lightColor = Color.RED
+            it.enableVibration(true)
+            it.vibrationPattern = longArrayOf(100, 200, 300, 400, 500, 400, 300, 200, 400)
+            it
+        }
+        notificationManager.createNotificationChannel(channel)
+
+        val pendingIntent: PendingIntent =
+            Intent(this, MainActivity::class.java).let { notificationIntent ->
+                PendingIntent.getActivity(this, 0, notificationIntent, PendingIntent.FLAG_IMMUTABLE)
+            }
+
+        val builder: Notification.Builder =
+            Notification.Builder(
+                this,
+                notificationChannelId
+            )
+
+        return builder
+            .setContentTitle("Ding-Dong Mail - Foreground Service")
+            .setContentText("This makes Ding-Dong Mail works so good")
+            .setContentIntent(pendingIntent)
+            .setSmallIcon(R.drawable.notification)
+            .setColor(resources.getColor(R.color.notification_bg, theme))
+            .setLargeIcon(
+                BitmapFactory.decodeResource(
+                    applicationContext.resources,
+                    R.mipmap.logo
+                )
+            )
+            .build()
+    }
+}
\ No newline at end of file
diff --git a/android/app/src/main/java/eu/jopek/dingdongmail/StartReceiver.kt b/android/app/src/main/java/eu/jopek/dingdongmail/StartReceiver.kt
new file mode 100644
index 0000000..e5fad0b
--- /dev/null
+++ b/android/app/src/main/java/eu/jopek/dingdongmail/StartReceiver.kt
@@ -0,0 +1,16 @@
+package eu.jopek.dingdongmail
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+
+class StartReceiver: BroadcastReceiver() {
+    override fun onReceive(context: Context, intent: Intent) {
+        log("Starting the service from a StartReceiver")
+        Intent(context, MainWorkerService::class.java).also {
+           it.action = Actions.START.name
+           context.startForegroundService(it)
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/android/app/src/main/java/eu/jopek/dingdongmail/ui/theme/Color.kt b/android/app/src/main/java/eu/jopek/dingdongmail/ui/theme/Color.kt
new file mode 100644
index 0000000..fdb4075
--- /dev/null
+++ b/android/app/src/main/java/eu/jopek/dingdongmail/ui/theme/Color.kt
@@ -0,0 +1,11 @@
+package eu.jopek.dingdongmail.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)
\ No newline at end of file
diff --git a/android/app/src/main/java/eu/jopek/dingdongmail/ui/theme/Theme.kt b/android/app/src/main/java/eu/jopek/dingdongmail/ui/theme/Theme.kt
new file mode 100644
index 0000000..444f356
--- /dev/null
+++ b/android/app/src/main/java/eu/jopek/dingdongmail/ui/theme/Theme.kt
@@ -0,0 +1,58 @@
+package eu.jopek.dingdongmail.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalContext
+
+private val DarkColorScheme = darkColorScheme(
+    primary = Purple80,
+    secondary = PurpleGrey80,
+    tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+    primary = Purple40,
+    secondary = PurpleGrey40,
+    tertiary = Pink40
+
+    /* Other default colors to override
+    background = Color(0xFFFFFBFE),
+    surface = Color(0xFFFFFBFE),
+    onPrimary = Color.White,
+    onSecondary = Color.White,
+    onTertiary = Color.White,
+    onBackground = Color(0xFF1C1B1F),
+    onSurface = Color(0xFF1C1B1F),
+    */
+)
+
+@Composable
+fun DingDongMailTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    // Dynamic color is available on Android 12+
+    dynamicColor: Boolean = true,
+    content: @Composable () -> Unit
+) {
+    val colorScheme = when {
+        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+            val context = LocalContext.current
+            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+        }
+
+        darkTheme -> DarkColorScheme
+        else -> LightColorScheme
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}
\ No newline at end of file
diff --git a/android/app/src/main/java/eu/jopek/dingdongmail/ui/theme/Type.kt b/android/app/src/main/java/eu/jopek/dingdongmail/ui/theme/Type.kt
new file mode 100644
index 0000000..03d0dd1
--- /dev/null
+++ b/android/app/src/main/java/eu/jopek/dingdongmail/ui/theme/Type.kt
@@ -0,0 +1,34 @@
+package eu.jopek.dingdongmail.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+    bodyLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp,
+        lineHeight = 24.sp,
+        letterSpacing = 0.5.sp
+    )
+    /* Other default text styles to override
+    titleLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 22.sp,
+        lineHeight = 28.sp,
+        letterSpacing = 0.sp
+    ),
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Medium,
+        fontSize = 11.sp,
+        lineHeight = 16.sp,
+        letterSpacing = 0.5.sp
+    )
+    */
+)
\ No newline at end of file
diff --git a/android/app/src/main/res/drawable-hdpi/notification.png b/android/app/src/main/res/drawable-hdpi/notification.png
new file mode 100644
index 0000000..f057f91
--- /dev/null
+++ b/android/app/src/main/res/drawable-hdpi/notification.png
diff --git a/android/app/src/main/res/drawable-mdpi/notification.png b/android/app/src/main/res/drawable-mdpi/notification.png
new file mode 100644
index 0000000..68b33d4
--- /dev/null
+++ b/android/app/src/main/res/drawable-mdpi/notification.png
diff --git a/android/app/src/main/res/drawable-xhdpi/notification.png b/android/app/src/main/res/drawable-xhdpi/notification.png
new file mode 100644
index 0000000..9cdb16d
--- /dev/null
+++ b/android/app/src/main/res/drawable-xhdpi/notification.png
diff --git a/android/app/src/main/res/drawable-xxhdpi/notification.png b/android/app/src/main/res/drawable-xxhdpi/notification.png
new file mode 100644
index 0000000..bf3cc68
--- /dev/null
+++ b/android/app/src/main/res/drawable-xxhdpi/notification.png
diff --git a/android/app/src/main/res/drawable-xxxhdpi/notification.png b/android/app/src/main/res/drawable-xxxhdpi/notification.png
new file mode 100644
index 0000000..1b79fc3
--- /dev/null
+++ b/android/app/src/main/res/drawable-xxxhdpi/notification.png
diff --git a/android/app/src/main/res/drawable/ic_launcher_background.xml b/android/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..07d5da9
--- /dev/null
+++ b/android/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
diff --git a/android/app/src/main/res/drawable/ic_launcher_foreground.xml b/android/app/src/main/res/drawable/ic_launcher_foreground.xml
new file mode 100644
index 0000000..2b068d1
--- /dev/null
+++ b/android/app/src/main/res/drawable/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
\ No newline at end of file
diff --git a/android/app/src/main/res/mipmap-anydpi-v26/logo.xml b/android/app/src/main/res/mipmap-anydpi-v26/logo.xml
new file mode 100644
index 0000000..16a18b9
--- /dev/null
+++ b/android/app/src/main/res/mipmap-anydpi-v26/logo.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/logo_background"/>
+    <foreground android:drawable="@mipmap/logo_foreground"/>
+</adaptive-icon>
\ No newline at end of file
diff --git a/android/app/src/main/res/mipmap-anydpi-v26/logo_round.xml b/android/app/src/main/res/mipmap-anydpi-v26/logo_round.xml
new file mode 100644
index 0000000..16a18b9
--- /dev/null
+++ b/android/app/src/main/res/mipmap-anydpi-v26/logo_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/logo_background"/>
+    <foreground android:drawable="@mipmap/logo_foreground"/>
+</adaptive-icon>
\ No newline at end of file
diff --git a/android/app/src/main/res/mipmap-anydpi/ic_launcher.xml b/android/app/src/main/res/mipmap-anydpi/ic_launcher.xml
new file mode 100644
index 0000000..6f3b755
--- /dev/null
+++ b/android/app/src/main/res/mipmap-anydpi/ic_launcher.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/android/app/src/main/res/mipmap-anydpi/ic_launcher_round.xml b/android/app/src/main/res/mipmap-anydpi/ic_launcher_round.xml
new file mode 100644
index 0000000..6f3b755
--- /dev/null
+++ b/android/app/src/main/res/mipmap-anydpi/ic_launcher_round.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/android/app/src/main/res/mipmap-hdpi/ic_launcher.webp
new file mode 100644
index 0000000..c209e78
--- /dev/null
+++ b/android/app/src/main/res/mipmap-hdpi/ic_launcher.webp
diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp b/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..b2dfe3d
--- /dev/null
+++ b/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
diff --git a/android/app/src/main/res/mipmap-hdpi/logo.webp b/android/app/src/main/res/mipmap-hdpi/logo.webp
new file mode 100644
index 0000000..7108ef3
--- /dev/null
+++ b/android/app/src/main/res/mipmap-hdpi/logo.webp
diff --git a/android/app/src/main/res/mipmap-hdpi/logo_foreground.webp b/android/app/src/main/res/mipmap-hdpi/logo_foreground.webp
new file mode 100644
index 0000000..21126a4
--- /dev/null
+++ b/android/app/src/main/res/mipmap-hdpi/logo_foreground.webp
diff --git a/android/app/src/main/res/mipmap-hdpi/logo_round.webp b/android/app/src/main/res/mipmap-hdpi/logo_round.webp
new file mode 100644
index 0000000..7108ef3
--- /dev/null
+++ b/android/app/src/main/res/mipmap-hdpi/logo_round.webp
diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher.webp b/android/app/src/main/res/mipmap-mdpi/ic_launcher.webp
new file mode 100644
index 0000000..4f0f1d6
--- /dev/null
+++ b/android/app/src/main/res/mipmap-mdpi/ic_launcher.webp
diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp b/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..62b611d
--- /dev/null
+++ b/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
diff --git a/android/app/src/main/res/mipmap-mdpi/logo.webp b/android/app/src/main/res/mipmap-mdpi/logo.webp
new file mode 100644
index 0000000..7c415ac
--- /dev/null
+++ b/android/app/src/main/res/mipmap-mdpi/logo.webp
diff --git a/android/app/src/main/res/mipmap-mdpi/logo_foreground.webp b/android/app/src/main/res/mipmap-mdpi/logo_foreground.webp
new file mode 100644
index 0000000..380de7f
--- /dev/null
+++ b/android/app/src/main/res/mipmap-mdpi/logo_foreground.webp
diff --git a/android/app/src/main/res/mipmap-mdpi/logo_round.webp b/android/app/src/main/res/mipmap-mdpi/logo_round.webp
new file mode 100644
index 0000000..7c415ac
--- /dev/null
+++ b/android/app/src/main/res/mipmap-mdpi/logo_round.webp
diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.webp b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
new file mode 100644
index 0000000..948a307
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp b/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..1b9a695
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
diff --git a/android/app/src/main/res/mipmap-xhdpi/logo.webp b/android/app/src/main/res/mipmap-xhdpi/logo.webp
new file mode 100644
index 0000000..87d746c
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xhdpi/logo.webp
diff --git a/android/app/src/main/res/mipmap-xhdpi/logo_foreground.webp b/android/app/src/main/res/mipmap-xhdpi/logo_foreground.webp
new file mode 100644
index 0000000..66ea114
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xhdpi/logo_foreground.webp
diff --git a/android/app/src/main/res/mipmap-xhdpi/logo_round.webp b/android/app/src/main/res/mipmap-xhdpi/logo_round.webp
new file mode 100644
index 0000000..87d746c
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xhdpi/logo_round.webp
diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
new file mode 100644
index 0000000..28d4b77
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..9287f50
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
diff --git a/android/app/src/main/res/mipmap-xxhdpi/logo.webp b/android/app/src/main/res/mipmap-xxhdpi/logo.webp
new file mode 100644
index 0000000..b391f17
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxhdpi/logo.webp
diff --git a/android/app/src/main/res/mipmap-xxhdpi/logo_foreground.webp b/android/app/src/main/res/mipmap-xxhdpi/logo_foreground.webp
new file mode 100644
index 0000000..f66af0a
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxhdpi/logo_foreground.webp
diff --git a/android/app/src/main/res/mipmap-xxhdpi/logo_round.webp b/android/app/src/main/res/mipmap-xxhdpi/logo_round.webp
new file mode 100644
index 0000000..b391f17
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxhdpi/logo_round.webp
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
new file mode 100644
index 0000000..aa7d642
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..9126ae3
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/logo.webp b/android/app/src/main/res/mipmap-xxxhdpi/logo.webp
new file mode 100644
index 0000000..9751ee6
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxxhdpi/logo.webp
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/logo_foreground.webp b/android/app/src/main/res/mipmap-xxxhdpi/logo_foreground.webp
new file mode 100644
index 0000000..85dd813
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxxhdpi/logo_foreground.webp
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/logo_round.webp b/android/app/src/main/res/mipmap-xxxhdpi/logo_round.webp
new file mode 100644
index 0000000..9751ee6
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxxhdpi/logo_round.webp
diff --git a/android/app/src/main/res/values/colors.xml b/android/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..b0dfe05
--- /dev/null
+++ b/android/app/src/main/res/values/colors.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+    <color name="notification_bg">#FF243DE2</color>
+
+</resources>
\ No newline at end of file
diff --git a/android/app/src/main/res/values/logo_background.xml b/android/app/src/main/res/values/logo_background.xml
new file mode 100644
index 0000000..2589d6c
--- /dev/null
+++ b/android/app/src/main/res/values/logo_background.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="logo_background">#151521</color>
+</resources>
\ No newline at end of file
diff --git a/android/app/src/main/res/values/strings.xml b/android/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..b25da56
--- /dev/null
+++ b/android/app/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Ding-Dong Mail</string>
+</resources>
\ No newline at end of file
diff --git a/android/app/src/main/res/values/themes.xml b/android/app/src/main/res/values/themes.xml
new file mode 100644
index 0000000..bf6d90a
--- /dev/null
+++ b/android/app/src/main/res/values/themes.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="Theme.DingDongMail" parent="android:Theme.Material.Light.NoActionBar" />
+</resources>
\ No newline at end of file
diff --git a/android/app/src/main/res/xml/backup_rules.xml b/android/app/src/main/res/xml/backup_rules.xml
new file mode 100644
index 0000000..fa0f996
--- /dev/null
+++ b/android/app/src/main/res/xml/backup_rules.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>
\ No newline at end of file
diff --git a/android/app/src/main/res/xml/data_extraction_rules.xml b/android/app/src/main/res/xml/data_extraction_rules.xml
new file mode 100644
index 0000000..9ee9997
--- /dev/null
+++ b/android/app/src/main/res/xml/data_extraction_rules.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>
\ No newline at end of file
diff --git a/android/app/src/test/java/eu/jopek/dingdongmail/ExampleUnitTest.kt b/android/app/src/test/java/eu/jopek/dingdongmail/ExampleUnitTest.kt
new file mode 100644
index 0000000..3265e07
--- /dev/null
+++ b/android/app/src/test/java/eu/jopek/dingdongmail/ExampleUnitTest.kt
@@ -0,0 +1,17 @@
+package eu.jopek.dingdongmail
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}
\ No newline at end of file