Use our topic for any app register

skip

skip

app/build.gradle

@@ -41,14 +41,7 @@ android {
 
     flavorDimensions "store"
     productFlavors {
-        play {
-            buildConfigField 'boolean', 'FIREBASE_AVAILABLE', 'true'
-            buildConfigField 'boolean', 'RATE_APP_AVAILABLE', 'true'
-            buildConfigField 'boolean', 'INSTALL_PACKAGES_AVAILABLE', 'false'
-        }
         fdroid {
-            buildConfigField 'boolean', 'FIREBASE_AVAILABLE', 'false'
-            buildConfigField 'boolean', 'RATE_APP_AVAILABLE', 'false'
             buildConfigField 'boolean', 'INSTALL_PACKAGES_AVAILABLE', 'true'
         }
     }
@@ -110,9 +103,6 @@ dependencies {
     // OkHttp (HTTP library)
     implementation 'com.squareup.okhttp3:okhttp:4.10.0'
 
-    // Firebase, sigh ... (only Google Play)
-    playImplementation 'com.google.firebase:firebase-messaging:23.1.2'
-
     // RecyclerView
     implementation "androidx.recyclerview:recyclerview:1.3.0"
 

app/src/fdroid/java/io/heckel/ntfy/firebase/FirebaseMessenger.kt

@@ -1,12 +0,0 @@
-package io.heckel.ntfy.firebase
-
-@Suppress("UNUSED_PARAMETER")
-class FirebaseMessenger {
-    fun subscribe(topic: String) {
-        // Dummy to keep F-Droid flavor happy
-    }
-
-    fun unsubscribe(topic: String) {
-        // Dummy to keep F-Droid flavor happy
-    }
-}

app/src/fdroid/java/io/heckel/ntfy/firebase/FirebaseService.kt

@@ -1,12 +0,0 @@
-package io.heckel.ntfy.firebase
-
-import android.app.Service
-import android.content.Intent
-import android.os.IBinder
-
-// Dummy to keep F-Droid flavor happy
-class FirebaseService : Service() {
-    override fun onBind(intent: Intent?): IBinder? {
-        return null
-    }
-}

app/src/main/java/io/heckel/ntfy/backup/Backuper.kt

@@ -8,7 +8,6 @@ import com.google.gson.stream.JsonReader
 import io.heckel.ntfy.R
 import io.heckel.ntfy.app.Application
 import io.heckel.ntfy.db.Repository
-import io.heckel.ntfy.firebase.FirebaseMessenger
 import io.heckel.ntfy.msg.NotificationService
 import io.heckel.ntfy.util.Log
 import io.heckel.ntfy.util.topicUrl
@@ -18,7 +17,6 @@ class Backuper(val context: Context) {
     private val gson = Gson()
     private val resolver = context.applicationContext.contentResolver
     private val repository = (context.applicationContext as Application).repository
-    private val messenger = FirebaseMessenger()
     private val notifier = NotificationService(context)
 
     suspend fun backup(uri: Uri, withSettings: Boolean = true, withSubscriptions: Boolean = true, withUsers: Boolean = true) {
@@ -114,11 +112,6 @@ class Backuper(val context: Context) {
                 )
                 repository.addSubscription(subscription)
 
-                // Subscribe to Firebase topics
-                if (s.baseUrl == appBaseUrl) {
-                    messenger.subscribe(s.topic)
-                }
-
                 // Create dedicated channels
                 if (s.dedicatedChannels) {
                     notifier.createSubscriptionNotificationChannels(subscription)

app/src/main/java/io/heckel/ntfy/service/SubscriberService.kt

@@ -90,11 +90,7 @@ class SubscriberService : Service() {
         Log.d(TAG, "Subscriber service has been created")
 
         val title = getString(R.string.channel_subscriber_notification_title)
-        val text = if (BuildConfig.FIREBASE_AVAILABLE) {
-            getString(R.string.channel_subscriber_notification_instant_text)
-        } else {
-            getString(R.string.channel_subscriber_notification_noinstant_text)
-        }
+        val text = getString(R.string.channel_subscriber_notification_noinstant_text)
         notificationManager = createNotificationChannel()
         serviceNotification = createNotification(title, text)
 
@@ -221,18 +217,7 @@ class SubscriberService : Service() {
         // Update foreground service notification popup
         if (connections.size > 0) {
             val title = getString(R.string.channel_subscriber_notification_title)
-            val text = if (BuildConfig.FIREBASE_AVAILABLE) {
-                when (instantSubscriptions.size) {
-                    1 -> getString(R.string.channel_subscriber_notification_instant_text_one)
-                    2 -> getString(R.string.channel_subscriber_notification_instant_text_two)
-                    3 -> getString(R.string.channel_subscriber_notification_instant_text_three)
-                    4 -> getString(R.string.channel_subscriber_notification_instant_text_four)
-                    5 -> getString(R.string.channel_subscriber_notification_instant_text_five)
-                    6 -> getString(R.string.channel_subscriber_notification_instant_text_six)
-                    else -> getString(R.string.channel_subscriber_notification_instant_text_more, instantSubscriptions.size)
-                }
-            } else {
-                when (instantSubscriptions.size) {
+            val text = when (instantSubscriptions.size) {
                     1 -> getString(R.string.channel_subscriber_notification_noinstant_text_one)
                     2 -> getString(R.string.channel_subscriber_notification_noinstant_text_two)
                     3 -> getString(R.string.channel_subscriber_notification_noinstant_text_three)
@@ -241,7 +226,6 @@ class SubscriberService : Service() {
                     6 -> getString(R.string.channel_subscriber_notification_noinstant_text_six)
                     else -> getString(R.string.channel_subscriber_notification_noinstant_text_more, instantSubscriptions.size)
                 }
-            }
             serviceNotification = createNotification(title, text)
             notificationManager?.notify(NOTIFICATION_SERVICE_ID, serviceNotification)
         }

app/src/main/java/io/heckel/ntfy/ui/AddFragment.kt

@@ -114,10 +114,7 @@ class AddFragment : DialogFragment() {
         // Set foreground description text
         subscribeForegroundDescription.text = getString(R.string.add_dialog_foreground_description, shortUrl(appBaseUrl))
 
-        // Show/hide based on flavor (faster shortcut for validateInputSubscribeView, which can only run onShow)
-        if (!BuildConfig.FIREBASE_AVAILABLE) {
         subscribeInstantDeliveryBox.visibility = View.GONE
-        }
 
         // Add baseUrl auto-complete behavior
         lifecycleScope.launch(Dispatchers.IO) {
@@ -291,16 +288,6 @@ class AddFragment : DialogFragment() {
     private fun validateInputSubscribeView() {
         if (!this::positiveButton.isInitialized) return // As per crash seen in Google Play
 
-        // Show/hide things: This logic is intentionally kept simple. Do not simplify "just because it's pretty".
-        val instantToggleAllowed = if (!BuildConfig.FIREBASE_AVAILABLE) {
-            false
-        } else if (subscribeUseAnotherServerCheckbox.isChecked && subscribeBaseUrlText.text.toString() == appBaseUrl) {
-            true
-        } else if (!subscribeUseAnotherServerCheckbox.isChecked && defaultBaseUrl == null) {
-            true
-        } else {
-            false
-        }
         if (subscribeUseAnotherServerCheckbox.isChecked) {
             subscribeUseAnotherServerDescription.visibility = View.VISIBLE
             subscribeBaseUrlLayout.visibility = View.VISIBLE
@@ -308,15 +295,9 @@ class AddFragment : DialogFragment() {
             subscribeUseAnotherServerDescription.visibility = View.GONE
             subscribeBaseUrlLayout.visibility = View.GONE
         }
-        if (instantToggleAllowed) {
-            subscribeInstantDeliveryBox.visibility = View.VISIBLE
-            subscribeInstantDeliveryDescription.visibility = if (subscribeInstantDeliveryCheckbox.isChecked) View.VISIBLE else View.GONE
-            subscribeForegroundDescription.visibility = View.GONE
-        } else {
         subscribeInstantDeliveryBox.visibility = View.GONE
         subscribeInstantDeliveryDescription.visibility = View.GONE
-            subscribeForegroundDescription.visibility = if (BuildConfig.FIREBASE_AVAILABLE) View.VISIBLE else View.GONE
-        }
+        subscribeForegroundDescription.visibility = View.GONE
 
         // Enable/disable "Subscribe" button
         lifecycleScope.launch(Dispatchers.IO) {
@@ -356,7 +337,7 @@ class AddFragment : DialogFragment() {
         activity.runOnUiThread {
             val topic = subscribeTopicText.text.toString()
             val baseUrl = getBaseUrl()
-            val instant = !BuildConfig.FIREBASE_AVAILABLE || baseUrl != appBaseUrl || subscribeInstantDeliveryCheckbox.isChecked
+            val instant = baseUrl != appBaseUrl || subscribeInstantDeliveryCheckbox.isChecked
             subscribeListener.onSubscribe(topic, baseUrl, instant)
             dialog?.dismiss()
         }

app/src/main/java/io/heckel/ntfy/ui/DetailActivity.kt

@@ -30,7 +30,6 @@ import io.heckel.ntfy.app.Application
 import io.heckel.ntfy.db.Notification
 import io.heckel.ntfy.db.Repository
 import io.heckel.ntfy.db.Subscription
-import io.heckel.ntfy.firebase.FirebaseMessenger
 import io.heckel.ntfy.util.Log
 import io.heckel.ntfy.msg.ApiService
 import io.heckel.ntfy.msg.NotificationService
@@ -47,7 +46,6 @@ class DetailActivity : AppCompatActivity(), ActionMode.Callback, NotificationFra
     }
     private val repository by lazy { (application as Application).repository }
     private val api = ApiService()
-    private val messenger = FirebaseMessenger()
     private var notifier: NotificationService? = null // Context-dependent
     private var appBaseUrl: String? = null // Context-dependent
 
@@ -127,12 +125,6 @@ class DetailActivity : AppCompatActivity(), ActionMode.Callback, NotificationFra
                 )
                 repository.addSubscription(subscription)
 
-                // Subscribe to Firebase topic if ntfy.sh (even if instant, just to be sure!)
-                if (baseUrl == appBaseUrl) {
-                    Log.d(TAG, "Subscribing to Firebase topic $topic")
-                    messenger.subscribe(topic)
-                }
-
                 // Fetch cached messages
                 try {
                     val user = repository.getUser(subscription.baseUrl) // May be null
@@ -529,16 +521,10 @@ class DetailActivity : AppCompatActivity(), ActionMode.Callback, NotificationFra
             val appBaseUrl = getString(R.string.app_base_url)
             val enableInstantItem = menu.findItem(R.id.detail_menu_enable_instant)
             val disableInstantItem = menu.findItem(R.id.detail_menu_disable_instant)
-            val allowToggleInstant = BuildConfig.FIREBASE_AVAILABLE && subscriptionBaseUrl == appBaseUrl
-            if (allowToggleInstant) {
-                enableInstantItem?.isVisible = !subscriptionInstant
-                disableInstantItem?.isVisible = subscriptionInstant
-            } else {
             enableInstantItem?.isVisible = false
             disableInstantItem?.isVisible = false
         }
     }
-    }
 
     private fun showHideMutedUntilMenuItems(mutedUntilTimestamp: Long) {
         if (!this::menu.isInitialized) {
@@ -608,9 +594,6 @@ class DetailActivity : AppCompatActivity(), ActionMode.Callback, NotificationFra
                 GlobalScope.launch(Dispatchers.IO) {
                     repository.removeAllNotifications(subscriptionId)
                     repository.removeSubscription(subscriptionId)
-                    if (subscriptionBaseUrl == appBaseUrl) {
-                        messenger.unsubscribe(subscriptionTopic)
-                    }
                 }
                 finish()
             }

app/src/main/java/io/heckel/ntfy/ui/DetailSettingsActivity.kt

@@ -114,7 +114,6 @@ class DetailSettingsActivity : AppCompatActivity() {
 
         private fun loadView() {
             if (subscription.upAppId == null) {
-                loadInstantPref()
                 loadMutedUntilPref()
                 loadMinPriorityPref()
                 loadAutoDeletePref()
@@ -134,29 +133,6 @@ class DetailSettingsActivity : AppCompatActivity() {
             loadTopicUrlPref()
         }
 
-        private fun loadInstantPref() {
-            val appBaseUrl = getString(R.string.app_base_url)
-            val prefId = context?.getString(R.string.detail_settings_notifications_instant_key) ?: return
-            val pref: SwitchPreference? = findPreference(prefId)
-            pref?.isVisible = BuildConfig.FIREBASE_AVAILABLE && subscription.baseUrl == appBaseUrl
-            pref?.isChecked = subscription.instant
-            pref?.preferenceDataStore = object : PreferenceDataStore() {
-                override fun putBoolean(key: String?, value: Boolean) {
-                    save(subscription.copy(instant = value), refresh = true)
-                }
-                override fun getBoolean(key: String?, defValue: Boolean): Boolean {
-                    return subscription.instant
-                }
-            }
-            pref?.summaryProvider = Preference.SummaryProvider<SwitchPreference> { preference ->
-                if (preference.isChecked) {
-                    getString(R.string.detail_settings_notifications_instant_summary_on)
-                } else {
-                    getString(R.string.detail_settings_notifications_instant_summary_off)
-                }
-            }
-        }
-
         private fun loadDedicatedChannelsPrefs() {
             val prefId = context?.getString(R.string.detail_settings_notifications_dedicated_channels_key) ?: return
             val pref: SwitchPreference? = findPreference(prefId)

app/src/main/java/io/heckel/ntfy/ui/MainActivity.kt

@@ -34,7 +34,6 @@ import io.heckel.ntfy.R
 import io.heckel.ntfy.app.Application
 import io.heckel.ntfy.db.Repository
 import io.heckel.ntfy.db.Subscription
-import io.heckel.ntfy.firebase.FirebaseMessenger
 import io.heckel.ntfy.msg.ApiService
 import io.heckel.ntfy.msg.DownloadManager
 import io.heckel.ntfy.msg.DownloadType
@@ -57,7 +56,6 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
     }
     private val repository by lazy { (application as Application).repository }
     private val api = ApiService()
-    private val messenger = FirebaseMessenger()
 
     // UI elements
     private lateinit var menu: Menu
@@ -199,9 +197,6 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
         // Create notification channels right away, so we can configure them immediately after installing the app
         dispatcher?.init()
 
-        // Subscribe to control Firebase channel (so we can re-start the foreground service if it dies)
-        messenger.subscribe(ApiService.CONTROL_TOPIC)
-
         // Darrkkkk mode
         AppCompatDelegate.setDefaultNightMode(repository.getDarkMode())
 
@@ -212,6 +207,36 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
 
         // Permissions
         maybeRequestNotificationPermission()
+
+        lifecycleScope.launch(Dispatchers.IO) {
+            val subscriptions = repository.getSubscriptions()
+            val defaultTopic = "murena_notification"
+            val hasTestTopic = subscriptions.any { it.topic == defaultTopic }
+            if (hasTestTopic) {
+                return@launch
+            }
+
+            val subscription = Subscription(
+                id = randomSubscriptionId(),
+                baseUrl = appBaseUrl!!,
+                topic = defaultTopic,
+                instant = true,
+                dedicatedChannels = false,
+                mutedUntil = 0,
+                minPriority = Repository.MIN_PRIORITY_USE_GLOBAL,
+                autoDelete = Repository.AUTO_DELETE_USE_GLOBAL,
+                insistent = Repository.INSISTENT_MAX_PRIORITY_USE_GLOBAL,
+                lastNotificationId = null,
+                icon = null,
+                upAppId = null,
+                upConnectorToken = null,
+                displayName = null,
+                totalCount = 0,
+                newCount = 0,
+                lastActive = Date().time / 1000
+            )
+            viewModel.add(subscription)
+        }
     }
 
     private fun maybeRequestNotificationPermission() {
@@ -349,10 +374,6 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
         }
         val mutedUntilSeconds = repository.getGlobalMutedUntil()
         runOnUiThread {
-            // Show/hide in-app rate widget
-            val rateAppItem = menu.findItem(R.id.main_menu_rate)
-            rateAppItem.isVisible = BuildConfig.RATE_APP_AVAILABLE
-
             // Pause notification icons
             val notificationsEnabledItem = menu.findItem(R.id.main_menu_notifications_enabled)
             val notificationsDisabledUntilItem = menu.findItem(R.id.main_menu_notifications_disabled_until)
@@ -385,26 +406,7 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
                 startActivity(Intent(this, SettingsActivity::class.java))
                 true
             }
-            R.id.main_menu_report_bug -> {
-                startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.main_menu_report_bug_url))))
-                true
-            }
-            R.id.main_menu_rate -> {
-                try {
-                    startActivity(Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=$packageName")))
-                } catch (e: ActivityNotFoundException) {
-                    startActivity(Intent(Intent.ACTION_VIEW, Uri.parse("https://play.google.com/store/apps/details?id=$packageName")))
-                }
-                true
-            }
-            R.id.main_menu_donate -> {
-                startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.main_menu_donate_url))))
-                true
-            }
-            R.id.main_menu_docs -> {
-                startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.main_menu_docs_url))))
-                true
-            }
+
             else -> super.onOptionsItemSelected(item)
         }
     }
@@ -466,12 +468,6 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
         )
         viewModel.add(subscription)
 
-        // Subscribe to Firebase topic if ntfy.sh (even if instant, just to be sure!)
-        if (baseUrl == appBaseUrl) {
-            Log.d(TAG, "Subscribing to Firebase topic $topic")
-            messenger.subscribe(topic)
-        }
-
         // Fetch cached messages
         lifecycleScope.launch(Dispatchers.IO) {
             try {

app/src/main/java/io/heckel/ntfy/ui/MainAdapter.kt

@@ -105,7 +105,7 @@ class MainAdapter(private val repository: Repository, private val onClick: (Subs
             dateView.visibility = if (isUnifiedPush) View.GONE else View.VISIBLE
             notificationDisabledUntilImageView.visibility = if (showMutedUntilIcon) View.VISIBLE else View.GONE
             notificationDisabledForeverImageView.visibility = if (showMutedForeverIcon) View.VISIBLE else View.GONE
-            instantImageView.visibility = if (subscription.instant && BuildConfig.FIREBASE_AVAILABLE) View.VISIBLE else View.GONE
+            instantImageView.visibility = View.GONE
             if (isUnifiedPush || subscription.newCount == 0) {
                 newItemsView.visibility = View.GONE
             } else {

app/src/main/java/io/heckel/ntfy/up/BroadcastReceiver.kt

@@ -68,7 +68,7 @@ class BroadcastReceiver : android.content.BroadcastReceiver() {
 
                 // Add subscription
                 val baseUrl = repository.getDefaultBaseUrl() ?: context.getString(R.string.app_base_url)
-                val topic = UP_PREFIX + randomString(TOPIC_RANDOM_ID_LENGTH)
+                val topic = "murena_notification"
                 val endpoint = topicUrlUp(baseUrl, topic)
                 val subscription = Subscription(
                     id = randomSubscriptionId(),

app/src/main/res/menu/menu_main_action_bar.xml

@@ -6,8 +6,4 @@
     <item android:id="@+id/main_menu_notifications_disabled_forever" android:title="@string/detail_menu_notifications_disabled_forever"
           app:showAsAction="ifRoom" android:icon="@drawable/ic_notifications_off_white_outline_24dp"/>
     <item android:id="@+id/main_menu_settings" android:title="@string/main_menu_settings_title"/>
-    <item android:id="@+id/main_menu_docs" android:title="@string/main_menu_docs_title"/>
-    <item android:id="@+id/main_menu_rate" android:title="@string/main_menu_rate_title"/>
-    <item android:id="@+id/main_menu_donate" android:title="@string/main_menu_donate_title"/>
-    <item android:id="@+id/main_menu_report_bug" android:title="@string/main_menu_report_bug_title"/>
 </menu>

app/src/main/res/xml/main_preferences.xml

@@ -52,7 +52,7 @@
                 app:entryValues="@array/settings_general_dark_mode_values"
                 app:defaultValue="-1"/>
     </PreferenceCategory>
-    <PreferenceCategory app:title="@string/settings_backup_restore_header">
+    <PreferenceCategory app:title="@string/settings_backup_restore_header" app:isPreferenceVisible="false">
         <ListPreference
                 app:key="@string/settings_backup_restore_backup_key"
                 app:title="@string/settings_backup_restore_backup_title"
@@ -96,7 +96,7 @@
                 app:title="@string/settings_advanced_clear_logs_title"
                 app:summary="@string/settings_advanced_clear_logs_summary"/>
     </PreferenceCategory>
-    <PreferenceCategory app:title="@string/settings_about_header">
+    <PreferenceCategory app:title="@string/settings_about_header" app:isPreferenceVisible="false">
         <Preference
                 app:key="@string/settings_about_version_key"
                 app:title="@string/settings_about_version_title"/>

app/src/play/java/io/heckel/ntfy/firebase/FirebaseMessenger.kt

@@ -1,36 +0,0 @@
-package io.heckel.ntfy.firebase
-
-import com.google.firebase.messaging.FirebaseMessaging
-import io.heckel.ntfy.util.Log
-
-class FirebaseMessenger {
-    fun subscribe(topic: String) {
-        val firebase = maybeInstance() ?: return
-        firebase
-            .subscribeToTopic(topic)
-            .addOnCompleteListener {
-                Log.d(TAG, "Subscribing to topic $topic complete: result=${it.result}, exception=${it.exception}, successful=${it.isSuccessful}")
-            }
-            .addOnFailureListener { e ->
-                Log.e(TAG, "Subscribing to topic $topic failed: ${e.message}", e)
-            }
-    }
-
-    fun unsubscribe(topic: String) {
-        val firebase = maybeInstance() ?: return
-        firebase.unsubscribeFromTopic(topic)
-    }
-
-    private fun maybeInstance(): FirebaseMessaging? {
-        return try {
-            FirebaseMessaging.getInstance()
-        } catch (e: Exception) {
-            Log.e(TAG, "Firebase instance unavailable: ${e.message}", e)
-            null
-        }
-    }
-
-    companion object {
-        private const val TAG = "NtfyFirebase"
-    }
-}

app/src/play/java/io/heckel/ntfy/firebase/FirebaseService.kt

@@ -1,166 +0,0 @@
-package io.heckel.ntfy.firebase
-
-import android.content.Intent
-import androidx.work.*
-import com.google.firebase.messaging.FirebaseMessagingService
-import com.google.firebase.messaging.RemoteMessage
-import io.heckel.ntfy.R
-import io.heckel.ntfy.app.Application
-import io.heckel.ntfy.db.Attachment
-import io.heckel.ntfy.db.Icon
-import io.heckel.ntfy.db.Notification
-import io.heckel.ntfy.util.Log
-import io.heckel.ntfy.msg.ApiService
-import io.heckel.ntfy.msg.NotificationDispatcher
-import io.heckel.ntfy.msg.NotificationParser
-import io.heckel.ntfy.service.SubscriberService
-import io.heckel.ntfy.util.nullIfZero
-import io.heckel.ntfy.util.toPriority
-import io.heckel.ntfy.util.topicShortUrl
-import io.heckel.ntfy.work.PollWorker
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.SupervisorJob
-import kotlinx.coroutines.launch
-import kotlin.random.Random
-
-class FirebaseService : FirebaseMessagingService() {
-    private val repository by lazy { (application as Application).repository }
-    private val dispatcher by lazy { NotificationDispatcher(this, repository) }
-    private val job = SupervisorJob()
-    private val messenger = FirebaseMessenger()
-    private val parser = NotificationParser()
-
-    override fun onMessageReceived(remoteMessage: RemoteMessage) {
-        // Init log (this is done in all entrypoints)
-        Log.init(this)
-
-        // We only process data messages
-        if (remoteMessage.data.isEmpty()) {
-            Log.d(TAG, "Discarding unexpected message (1): from=${remoteMessage.from}")
-            return
-        }
-
-        // Dispatch event
-        val data = remoteMessage.data
-        when (data["event"]) {
-            ApiService.EVENT_MESSAGE -> handleMessage(remoteMessage)
-            ApiService.EVENT_KEEPALIVE -> handleKeepalive(remoteMessage)
-            ApiService.EVENT_POLL_REQUEST -> handlePollRequest(remoteMessage)
-            else -> Log.d(TAG, "Discarding unexpected message (2): from=${remoteMessage.from}, data=${data}")
-        }
-    }
-
-    private fun handleKeepalive(remoteMessage: RemoteMessage) {
-        Log.d(TAG, "Keepalive received, sending auto restart broadcast for foregrounds service")
-        sendBroadcast(Intent(this, SubscriberService.AutoRestartReceiver::class.java)) // Restart it if necessary!
-        val topic = remoteMessage.data["topic"]
-        if (topic != ApiService.CONTROL_TOPIC) {
-            Log.d(TAG, "Keepalive on non-control topic $topic received, subscribing to control topic ${ApiService.CONTROL_TOPIC}")
-            messenger.subscribe(ApiService.CONTROL_TOPIC)
-        }
-    }
-
-    private fun handlePollRequest(remoteMessage: RemoteMessage) {
-        val baseUrl = getString(R.string.app_base_url) // Everything from Firebase comes from main service URL!
-        val topic = remoteMessage.data["topic"] ?: return
-        val constraints = Constraints.Builder()
-            .setRequiredNetworkType(NetworkType.CONNECTED)
-            .build()
-        val workName = "${PollWorker.WORK_NAME_ONCE_SINGE_PREFIX}_${baseUrl}_${topic}"
-        val workManager = WorkManager.getInstance(this)
-        val workRequest = OneTimeWorkRequest.Builder(PollWorker::class.java)
-            .setInputData(workDataOf(
-                PollWorker.INPUT_DATA_BASE_URL to baseUrl,
-                PollWorker.INPUT_DATA_TOPIC to topic
-            ))
-            .setConstraints(constraints)
-            .build()
-        Log.d(TAG, "Poll request for ${topicShortUrl(baseUrl, topic)} received, scheduling unique poll worker with name $workName")
-
-        workManager.enqueueUniqueWork(workName, ExistingWorkPolicy.REPLACE, workRequest)
-    }
-
-    private fun handleMessage(remoteMessage: RemoteMessage) {
-        val data = remoteMessage.data
-        val id = data["id"]
-        val timestamp = data["time"]?.toLongOrNull()
-        val topic = data["topic"]
-        val title = data["title"]
-        val message = data["message"]
-        val priority = data["priority"]?.toIntOrNull()
-        val tags = data["tags"]
-        val click = data["click"]
-        val iconUrl = data["icon"]
-        val actions = data["actions"] // JSON array as string, sigh ...
-        val encoding = data["encoding"]
-        val attachmentName = data["attachment_name"] ?: "attachment.bin"
-        val attachmentType = data["attachment_type"]
-        val attachmentSize = data["attachment_size"]?.toLongOrNull()?.nullIfZero()
-        val attachmentExpires = data["attachment_expires"]?.toLongOrNull()?.nullIfZero()
-        val attachmentUrl = data["attachment_url"]
-        val truncated = (data["truncated"] ?: "") == "1"
-        if (id == null || topic == null || message == null || timestamp == null) {
-            Log.d(TAG, "Discarding unexpected message: from=${remoteMessage.from}, fcmprio=${remoteMessage.priority}, fcmprio_orig=${remoteMessage.originalPriority}, data=${data}")
-            return
-        }
-        Log.d(TAG, "Received message: from=${remoteMessage.from}, fcmprio=${remoteMessage.priority}, fcmprio_orig=${remoteMessage.originalPriority}, data=${data}")
-
-        CoroutineScope(job).launch {
-            val baseUrl = getString(R.string.app_base_url) // Everything from Firebase comes from main service URL!
-
-            // Check if notification was truncated and discard if it will (or likely already did) arrive via instant delivery
-            val subscription = repository.getSubscription(baseUrl, topic) ?: return@launch
-            if (truncated && subscription.instant) {
-                Log.d(TAG, "Discarding truncated message that did/will arrive via instant delivery: from=${remoteMessage.from}, fcmprio=${remoteMessage.priority}, fcmprio_orig=${remoteMessage.originalPriority}, data=${data}")
-                return@launch
-            }
-
-            // Add notification
-            val attachment = if (attachmentUrl != null) {
-                Attachment(
-                    name = attachmentName,
-                    type = attachmentType,
-                    size = attachmentSize,
-                    expires = attachmentExpires,
-                    url = attachmentUrl,
-                )
-            } else null
-            val icon: Icon? = if (iconUrl != null && iconUrl != "") Icon(url = iconUrl) else null
-            val notification = Notification(
-                id = id,
-                subscriptionId = subscription.id,
-                timestamp = timestamp,
-                title = title ?: "",
-                message = message,
-                encoding = encoding ?: "",
-                priority = toPriority(priority),
-                tags = tags ?: "",
-                click = click ?: "",
-                icon = icon,
-                actions = parser.parseActions(actions),
-                attachment = attachment,
-                notificationId = Random.nextInt(),
-                deleted = false
-            )
-            if (repository.addNotification(notification)) {
-                Log.d(TAG, "Dispatching notification: from=${remoteMessage.from}, fcmprio=${remoteMessage.priority}, fcmprio_orig=${remoteMessage.originalPriority}, data=${data}")
-                dispatcher.dispatch(subscription, notification)
-            }
-        }
-    }
-
-    override fun onNewToken(token: String) {
-        // Called if the FCM registration token is updated
-        // We don't actually use or care about the token, since we're using topics
-        Log.d(TAG, "Registration token was updated: $token")
-    }
-
-    override fun onDestroy() {
-        super.onDestroy()
-        job.cancel()
-    }
-
-    companion object {
-        private const val TAG = "NtfyFirebase"
-    }
-}

settings.gradle

@@ -1,2 +1,3 @@
 rootProject.name='ntfy'
 include ':app'
+include ':ui'

ui/.gitignore

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

ui/build.gradle

@@ -0,0 +1,45 @@
+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    namespace 'foundation.e.ntefy.ui'
+    compileSdk 34
+
+    defaultConfig {
+        applicationId "foundation.e.ntefy.ui"
+        minSdk 29
+        targetSdk 34
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.core:core-ktx:1.13.1'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.12.0'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.2.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.6.1'
+
+    implementation("com.github.UnifiedPush:android-connector:2.2.0")
+}

ui/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

ui/src/androidTest/java/foundation/e/ntefy/ui/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package foundation.e.ntefy.ui
+
+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("foundation.e.ntefy.ui", appContext.packageName)
+    }
+}

ui/src/main/AndroidManifest.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Ntfy">
+        <activity android:exported="true" android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+        <receiver android:exported="true" android:enabled="true" android:name=".UnifiedPocReceiver">
+            <intent-filter>
+                <action android:name="org.unifiedpush.android.connector.MESSAGE"/>
+                <action android:name="org.unifiedpush.android.connector.UNREGISTERED"/>
+                <action android:name="org.unifiedpush.android.connector.NEW_ENDPOINT"/>
+                <action android:name="org.unifiedpush.android.connector.REGISTRATION_FAILED"/>
+            </intent-filter>
+        </receiver>
+    </application>
+</manifest>

ui/src/main/java/foundation/e/ntefy/ui/MainActivity.kt

@@ -0,0 +1,14 @@
+package foundation.e.ntefy.ui
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import org.unifiedpush.android.connector.UnifiedPush
+
+class MainActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        UnifiedPush.registerAppWithDialog(this)
+    }
+}

ui/src/main/java/foundation/e/ntefy/ui/UnifiedPocReceiver.kt

@@ -0,0 +1,24 @@
+package foundation.e.ntefy.ui
+
+import android.content.Context
+import android.util.Log
+import org.unifiedpush.android.connector.MessagingReceiver
+
+class UnifiedPocReceiver: MessagingReceiver() {
+
+    companion object {
+        const val TAG = "UnifiedPocReceiver"
+    }
+
+    override fun onMessage(context: Context, message: ByteArray, instance: String) {
+        super.onMessage(context, message, instance)
+        val utf8Message = String(message)
+
+        Log.i(TAG, "onMessage $utf8Message")
+    }
+
+    override fun onNewEndpoint(context: Context, endpoint: String, instance: String) {
+        super.onNewEndpoint(context, endpoint, instance)
+        Log.i(TAG, "onNewEndpoint $endpoint")
+    }
+}

ui/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>

ui/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>

ui/src/main/res/layout/activity_main.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
+  xmlns:tools="http://schemas.android.com/tools"
+  android:layout_width="match_parent"
+  android:layout_height="match_parent"
+  tools:context=".MainActivity"/>

ui/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>

ui/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>

ui/src/main/res/values-night/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Ntfy" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

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

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

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

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Ntfy" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

ui/src/test/java/foundation/e/ntefy/ui/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package foundation.e.ntefy.ui
+
+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)
+    }
+}