tray bar rework

app/src/main/java/com/foxx/androidcast/AndroidCastApplication.java

@@ -14,6 +14,7 @@ package com.foxx.androidcast;
 import android.app.Application;
 import android.content.Context;
 
+import com.foxx.androidcast.CastTrayNotifier;
 import com.foxx.androidcast.commercial.CommercialFeatures;
 import com.foxx.androidcast.crash.CrashReporter;
 import com.foxx.androidcast.dev.DevAdbWifiKeeper;
@@ -46,5 +47,6 @@ public class AndroidCastApplication extends Application {
         CommercialFeatures.refreshFromPreferences(this);
         RemoteAccessCoordinator.onBootIfNeeded(this);
         DevAdbWifiKeeper.ensureStarted(this);
+        CastTrayNotifier.ensureTrayService(this);
     }
 }

app/src/main/java/com/foxx/androidcast/CastTrayContent.java

@@ -0,0 +1,92 @@
+package com.foxx.androidcast;
+
+import com.foxx.androidcast.remoteaccess.RemoteAccessMode;
+import com.foxx.androidcast.remoteaccess.RemoteAccessStatusStore;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/** Pure text assembly for the single persistent tray notification. */
+public final class CastTrayContent {
+    public static final class Body {
+        public final String summary;
+        public final String bigText;
+
+        public Body(String summary, String bigText) {
+            this.summary = summary != null ? summary : "";
+            this.bigText = bigText != null ? bigText : "";
+        }
+    }
+
+    private CastTrayContent() {}
+
+    public static Body build(
+            String idleTapToOpen,
+            String castActive,
+            String adbWaiting,
+            String adbLineFormat,
+            String raPollFormat,
+            String raConnected,
+            String raSessionFormat,
+            boolean casting,
+            boolean adbEnabled,
+            String adbConnectLine,
+            RemoteAccessMode raMode,
+            RemoteAccessStatusStore.Snapshot raSnap) {
+        if (casting) {
+            return new Body(castActive, castActive);
+        }
+        List<String> lines = new ArrayList<>();
+        String raLine = remoteAccessLine(raPollFormat, raConnected, raSessionFormat, raMode, raSnap);
+        if (raLine != null && !raLine.isEmpty()) {
+            lines.add(raLine);
+        }
+        if (adbEnabled) {
+            String adbLine = adbConnectLine == null || adbConnectLine.isEmpty()
+                    ? adbWaiting
+                    : String.format(adbLineFormat, adbConnectLine);
+            lines.add(adbLine);
+        }
+        if (!lines.isEmpty()) {
+            String joined = joinLines(lines);
+            return new Body(lines.get(0), joined);
+        }
+        return new Body(idleTapToOpen, idleTapToOpen);
+    }
+
+    static String remoteAccessLine(
+            String pollFormat,
+            String connected,
+            String sessionFormat,
+            RemoteAccessMode mode,
+            RemoteAccessStatusStore.Snapshot snap) {
+        if (mode == null || !mode.isActive()) {
+            return null;
+        }
+        if (snap != null && RemoteAccessStatusStore.STATE_SUCCESS.equals(snap.state)) {
+            if (snap.sessionId != null && !snap.sessionId.isEmpty()) {
+                String line = String.format(sessionFormat, snap.sessionId);
+                if (mode == RemoteAccessMode.RSSH) {
+                    return line + " (RSSH)";
+                }
+                return line;
+            }
+            if (mode == RemoteAccessMode.RSSH) {
+                return connected + " (RSSH)";
+            }
+            return connected;
+        }
+        return String.format(pollFormat, mode.name());
+    }
+
+    private static String joinLines(List<String> lines) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < lines.size(); i++) {
+            if (i > 0) {
+                sb.append('\n');
+            }
+            sb.append(lines.get(i));
+        }
+        return sb.toString();
+    }
+}

app/src/main/java/com/foxx/androidcast/CastTrayNotifier.java

@@ -1,16 +1,5 @@
 package com.foxx.androidcast;
 
-/*********************************************************************
- * CastTrayNotifier.java
- * Created at: Sun 17 May 2026 18:17:14 +0200
- * Updated at: Wed 20 May 2026 15:17:13 +0200 by Anton Afanasyeu <a.afanasieff@gmail.com>
- * Commit: 5d8e82d2e60a21fff3138d2a394ee4e8b4c6dcb8
- * class CastTrayNotifier
- * Contributors:
- *    - Anton Afanasyeu <a.afanasieff@gmail.com> (3 commits, 156 lines)
- *    - Cursor Agent (project assistant)
- * Digest: SHA256	292d7f278b9726120e113e803105641b313de93e2efa129dd3af428d1aa68033
-**********************************************************************/
 import android.app.ForegroundServiceStartNotAllowedException;
 import android.app.Notification;
 import android.app.NotificationChannel;
@@ -24,50 +13,69 @@ import android.util.Log;
 
 import androidx.core.app.NotificationCompat;
 
+import com.foxx.androidcast.dev.DevAdbConnectInfo;
+import com.foxx.androidcast.dev.DevAdbWifiKeeper;
+import com.foxx.androidcast.remoteaccess.RemoteAccessMode;
+import com.foxx.androidcast.remoteaccess.RemoteAccessStatusStore;
+
 /**
- * Persistent status-bar icon while cast services run (when enabled in settings).
+ * Single persistent status-bar notification for Android Cast (prod + dev modes).
  */
 public final class CastTrayNotifier {
     private static final String TAG = "CastTrayNotifier";
     public static final String CHANNEL_TRAY = "cast_tray";
     public static final int ID_TRAY = 3;
 
+    /** Legacy per-feature notification ids — cancelled on every refresh. */
+    public static final int LEGACY_DEV_ADB_ID = 50391;
+    public static final int LEGACY_RA_ID = 0x7a00;
+    public static final int LEGACY_RA_VPN_ID = 0x7a01;
+
     private CastTrayNotifier() {}
 
-    /** Sync tray with cast service lifecycle (call from foreground services). */
+    /** Sync tray content with app / dev service state. */
     public static void refresh(Context context) {
         Context app = context.getApplicationContext();
-        if (!AppPreferences.isShowTrayIcon(app)) {
+        cancelLegacyNotifications(app);
+        if (!shouldMaintainTray(app)) {
+            stopTrayService(app);
             hide(app);
             return;
         }
         ensureTrayService(app);
+        publish(app);
     }
 
-    /**
-     * Start idle tray when an activity is foreground (API 31+ blocks FGS from
-     * {@link android.app.Application#onCreate()}).
-     */
     public static void syncWhenForeground(Context context) {
-        if (AppPreferences.isShowTrayIcon(context)) {
+        if (shouldMaintainTray(context)) {
             ensureTrayService(context);
         }
     }
 
-    /** User toggled the preference — show or hide immediately. */
     public static void onPreferenceChanged(Context context) {
-        Context app = context.getApplicationContext();
+        refresh(context);
-        if (AppPreferences.isShowTrayIcon(app)) {
-            ensureTrayService(app);
-        } else {
-            stopTrayService(app);
-            hide(app);
     }
+
+    public static boolean shouldMaintainTray(Context context) {
+        if (AppPreferences.isShowTrayIcon(context)) {
+            return true;
+        }
+        return hasDevTrayContent(context);
+    }
+
+    static boolean hasDevTrayContent(Context context) {
+        if (!BuildConfig.DEBUG) {
+            return false;
+        }
+        if (AppPreferences.isDevAdbWifiKeeperEnabled(context)) {
+            return true;
+        }
+        return AppPreferences.getDevRemoteAccessMode(context).isActive();
     }
 
     public static void ensureTrayService(Context context) {
         Context app = context.getApplicationContext();
-        if (!AppPreferences.isShowTrayIcon(app)) {
+        if (!shouldMaintainTray(app)) {
             return;
         }
         Intent intent = new Intent(app, TrayForegroundService.class);
@@ -92,34 +100,60 @@ public final class CastTrayNotifier {
         context.getApplicationContext().stopService(new Intent(context, TrayForegroundService.class));
     }
 
-    /** Foreground tray — not swipe-dismissible on stock Android. */
+    /** Foreground tray owned by {@link TrayForegroundService}. */
     public static void startForegroundTray(Service service) {
-        if (!AppPreferences.isShowTrayIcon(service)) {
+        if (!shouldMaintainTray(service)) {
             service.stopSelf();
             return;
         }
         createChannel(service);
-        boolean idle = !CastActiveState.isSenderCasting() && !CastActiveState.isReceiverListening();
+        Notification n = buildNotification(service);
-        Notification n = buildNotification(service, idle);
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-            service.startForeground(ID_TRAY, n, android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_SPECIAL_USE);
+            service.startForeground(
+                    ID_TRAY,
+                    n,
+                    android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_SPECIAL_USE);
         } else {
             service.startForeground(ID_TRAY, n);
         }
     }
 
-    private static void show(Context context, boolean idle) {
+    /** Other foreground services reuse the same tray notification id. */
-        if (AppPreferences.isShowTrayIcon(context)) {
+    public static void startForeground(Service service, int fgsType) {
-            ensureTrayService(context);
+        createChannel(service);
-            return;
+        Notification n = buildNotification(service);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q && fgsType != 0) {
+            service.startForeground(ID_TRAY, n, fgsType);
+        } else {
+            service.startForeground(ID_TRAY, n);
         }
-        hide(context);
     }
 
-    private static Notification buildNotification(Context context, boolean idle) {
+    public static Notification buildNotification(Context context) {
-        String body = idle
+        createChannel(context);
-                ? context.getString(R.string.tray_cast_idle)
+        boolean casting = CastActiveState.isSenderCasting() || CastActiveState.isReceiverListening();
-                : context.getString(R.string.tray_cast_active);
+        boolean adbEnabled = BuildConfig.DEBUG && AppPreferences.isDevAdbWifiKeeperEnabled(context);
+        RemoteAccessMode raMode = BuildConfig.DEBUG
+                ? AppPreferences.getDevRemoteAccessMode(context)
+                : RemoteAccessMode.DISABLED;
+        RemoteAccessStatusStore.Snapshot raSnap = RemoteAccessStatusStore.load(context);
+        DevAdbConnectInfo adbInfo = adbEnabled ? DevAdbWifiKeeper.getLastInfo(context) : null;
+        String adbLine = adbInfo != null ? adbInfo.primaryConnectLine() : "";
+
+        CastTrayContent.Body body = CastTrayContent.build(
+                context.getString(R.string.tray_cast_idle),
+                context.getString(R.string.tray_cast_active),
+                context.getString(R.string.dev_adb_wifi_notification_waiting),
+                context.getString(R.string.dev_adb_wifi_notification_line),
+                context.getString(R.string.dev_remote_access_notification_poll),
+                context.getString(R.string.dev_remote_access_notification_connected),
+                context.getString(R.string.dev_remote_access_notification_session),
+                casting,
+                adbEnabled,
+                adbLine,
+                raMode,
+                raSnap);
+
         PendingIntent pi = PendingIntent.getActivity(
                 context, 0, CastActivityTracker.resumeIntent(context),
                 PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
@@ -128,9 +162,10 @@ public final class CastTrayNotifier {
         PendingIntent deletePi = PendingIntent.getBroadcast(
                 context, 1, deleted,
                 PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
-        return new NotificationCompat.Builder(context, CHANNEL_TRAY)
+
+        NotificationCompat.Builder builder = new NotificationCompat.Builder(context, CHANNEL_TRAY)
                 .setContentTitle(context.getString(R.string.app_name))
-                .setContentText(body)
+                .setContentText(body.summary)
                 .setSmallIcon(R.drawable.ic_notification)
                 .setContentIntent(pi)
                 .setDeleteIntent(deletePi)
@@ -142,8 +177,31 @@ public final class CastTrayNotifier {
                 .setPriority(NotificationCompat.PRIORITY_LOW)
                 .setCategory(NotificationCompat.CATEGORY_SERVICE)
                 .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
-                .setForegroundServiceBehavior(NotificationCompat.FOREGROUND_SERVICE_IMMEDIATE)
+                .setForegroundServiceBehavior(NotificationCompat.FOREGROUND_SERVICE_IMMEDIATE);
-                .build();
+        if (!body.bigText.equals(body.summary)) {
+            builder.setStyle(new NotificationCompat.BigTextStyle().bigText(body.bigText));
+        }
+        return builder.build();
+    }
+
+    static void publish(Context context) {
+        if (!shouldMaintainTray(context)) {
+            return;
+        }
+        NotificationManager nm = context.getSystemService(NotificationManager.class);
+        if (nm != null) {
+            nm.notify(ID_TRAY, buildNotification(context));
+        }
+    }
+
+    static void cancelLegacyNotifications(Context context) {
+        NotificationManager nm = context.getSystemService(NotificationManager.class);
+        if (nm == null) {
+            return;
+        }
+        nm.cancel(LEGACY_DEV_ADB_ID);
+        nm.cancel(LEGACY_RA_ID);
+        nm.cancel(LEGACY_RA_VPN_ID);
     }
 
     private static void hide(Context context) {

app/src/main/java/com/foxx/androidcast/TrayForegroundService.java

@@ -1,19 +1,10 @@
 package com.foxx.androidcast;
 
-/*********************************************************************
- * TrayForegroundService.java
- * Created at: Sun 17 May 2026 22:49:49 +0200
- * Updated at: Wed 20 May 2026 15:17:13 +0200 by Anton Afanasyeu <a.afanasieff@gmail.com>
- * Commit: 5d8e82d2e60a21fff3138d2a394ee4e8b4c6dcb8
- * class TrayForegroundService
- * Contributors:
- *    - Anton Afanasyeu <a.afanasieff@gmail.com> (2 commits, 48 lines)
- *    - Cursor Agent (project assistant)
- * Digest: SHA256	5697518674c876a08eb78c08ca151686a079c96d2d3dc238c32666d83b5e88b8
-**********************************************************************/
 import android.app.Service;
 import android.content.Intent;
+import android.os.Handler;
 import android.os.IBinder;
+import android.os.Looper;
 
 import androidx.annotation.Nullable;
 
@@ -22,15 +13,31 @@ import androidx.annotation.Nullable;
  * (non-FGS status notifications are dismissible on Android 13+).
  */
 public class TrayForegroundService extends Service {
+    private static final long HEARTBEAT_MS = 90_000L;
+
+    private final Handler handler = new Handler(Looper.getMainLooper());
+    private final Runnable heartbeat = new Runnable() {
+        @Override
+        public void run() {
+            if (!CastTrayNotifier.shouldMaintainTray(TrayForegroundService.this)) {
+                stopSelf();
+                return;
+            }
+            CastTrayNotifier.startForegroundTray(TrayForegroundService.this);
+            handler.postDelayed(this, HEARTBEAT_MS);
+        }
+    };
+
     @Override
     public void onCreate() {
         super.onCreate();
         CastTrayNotifier.startForegroundTray(this);
+        handler.postDelayed(heartbeat, HEARTBEAT_MS);
     }
 
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-        if (!AppPreferences.isShowTrayIcon(this)) {
+        if (!CastTrayNotifier.shouldMaintainTray(this)) {
             stopSelf();
             return START_NOT_STICKY;
         }
@@ -40,6 +47,7 @@ public class TrayForegroundService extends Service {
 
     @Override
     public void onDestroy() {
+        handler.removeCallbacks(heartbeat);
         stopForeground(STOP_FOREGROUND_REMOVE);
         super.onDestroy();
     }

app/src/main/java/com/foxx/androidcast/TrayNotificationReceiver.java

@@ -25,6 +25,6 @@ public class TrayNotificationReceiver extends BroadcastReceiver {
         if (!AppPreferences.isShowTrayIcon(context)) {
             return;
         }
-        CastTrayNotifier.ensureTrayService(context);
+        CastTrayNotifier.refresh(context);
     }
 }

app/src/main/java/com/foxx/androidcast/dev/DevAdbWifiKeeper.java

@@ -1,28 +1,19 @@
 package com.foxx.androidcast.dev;
 
-import android.app.Notification;
-import android.app.NotificationChannel;
-import android.app.NotificationManager;
-import android.app.PendingIntent;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
-import android.content.Intent;
 import android.net.ConnectivityManager;
 import android.net.Network;
 import android.net.NetworkCapabilities;
 import android.net.NetworkRequest;
-import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
 import android.util.Log;
 
-import androidx.core.app.NotificationCompat;
-
 import com.foxx.androidcast.AppPreferences;
 import com.foxx.androidcast.BuildConfig;
-import com.foxx.androidcast.DeveloperSettingsActivity;
+import com.foxx.androidcast.CastTrayNotifier;
-import com.foxx.androidcast.R;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -33,9 +24,6 @@ import java.util.concurrent.Executors;
 
 /** Debug-only: re-enable adb wifi on network changes and publish connect info. */
 public final class DevAdbWifiKeeper {
-    private static final String CHANNEL_ID = "dev_adb_wifi";
-    private static final int NOTIFICATION_ID = 50391;
-
     private static final ExecutorService WORKER = Executors.newSingleThreadExecutor(r -> {
         Thread t = new Thread(r, "DevAdbWifiKeeper");
         t.setDaemon(true);
@@ -146,7 +134,6 @@ public final class DevAdbWifiKeeper {
     }
 
     private void start() {
-        ensureNotificationChannel();
         loadCachedJsonIntoHttpServer();
         httpServer.start();
         registerNetworkCallback();
@@ -172,11 +159,7 @@ public final class DevAdbWifiKeeper {
     private void shutdown() {
         unregisterNetworkCallback();
         httpServer.stop();
-        NotificationManager nm =
+        CastTrayNotifier.refresh(appContext);
-                (NotificationManager) appContext.getSystemService(Context.NOTIFICATION_SERVICE);
-        if (nm != null) {
-            nm.cancel(NOTIFICATION_ID);
-        }
     }
 
     private void registerNetworkCallback() {
@@ -224,7 +207,7 @@ public final class DevAdbWifiKeeper {
         Log.d(DevAdbConnectInfo.LOG_TAG, "refresh reason=" + reason
                 + " secure=" + info.secureSettingsGranted
                 + " connect=" + info.connect);
-        MAIN.post(() -> updateNotification(info));
+        MAIN.post(() -> CastTrayNotifier.refresh(appContext));
     }
 
     private void writeJsonFile(String json) {
@@ -239,53 +222,4 @@ public final class DevAdbWifiKeeper {
             Log.w(DevAdbConnectInfo.LOG_TAG, "write adb_connect.json failed", e);
         }
     }
-
-    private void ensureNotificationChannel() {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
-            return;
-        }
-        NotificationManager nm =
-                (NotificationManager) appContext.getSystemService(Context.NOTIFICATION_SERVICE);
-        if (nm == null) {
-            return;
-        }
-        NotificationChannel channel = new NotificationChannel(
-                CHANNEL_ID,
-                appContext.getString(R.string.dev_adb_wifi_notification_channel),
-                NotificationManager.IMPORTANCE_LOW);
-        channel.setDescription(appContext.getString(R.string.dev_adb_wifi_notification_channel_desc));
-        nm.createNotificationChannel(channel);
-    }
-
-    private void updateNotification(DevAdbConnectInfo info) {
-        if (!AppPreferences.isDevAdbWifiKeeperEnabled(appContext)) {
-            return;
-        }
-        NotificationManager nm =
-                (NotificationManager) appContext.getSystemService(Context.NOTIFICATION_SERVICE);
-        if (nm == null) {
-            return;
-        }
-        String line = info.primaryConnectLine();
-        String text = line.isEmpty()
-                ? appContext.getString(R.string.dev_adb_wifi_notification_waiting)
-                : appContext.getString(R.string.dev_adb_wifi_notification_line, line);
-        Intent openDev = new Intent(appContext, DeveloperSettingsActivity.class);
-        openDev.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        PendingIntent content = PendingIntent.getActivity(
-                appContext,
-                0,
-                openDev,
-                PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
-        Notification notification = new NotificationCompat.Builder(appContext, CHANNEL_ID)
-                .setSmallIcon(R.drawable.ic_launcher_foreground)
-                .setContentTitle(appContext.getString(R.string.dev_adb_wifi_notification_title))
-                .setContentText(text)
-                .setStyle(new NotificationCompat.BigTextStyle().bigText(text))
-                .setContentIntent(content)
-                .setOngoing(true)
-                .setOnlyAlertOnce(true)
-                .build();
-        nm.notify(NOTIFICATION_ID, notification);
-    }
 }

app/src/main/java/com/foxx/androidcast/remoteaccess/RemoteAccessService.java

@@ -1,9 +1,6 @@
 package com.foxx.androidcast.remoteaccess;
 
 import android.app.AlarmManager;
-import android.app.Notification;
-import android.app.NotificationChannel;
-import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.app.Service;
 import android.content.Context;
@@ -13,12 +10,9 @@ import android.os.IBinder;
 import android.os.SystemClock;
 import android.util.Log;
 
-import androidx.core.app.NotificationCompat;
-
 import com.foxx.androidcast.AppPreferences;
-import com.foxx.androidcast.DeveloperSettingsActivity;
+import com.foxx.androidcast.CastTrayNotifier;
 import com.foxx.androidcast.DeviceInfo;
-import com.foxx.androidcast.R;
 import com.foxx.androidcast.remoteaccess.control.RemoteAccessControlClient;
 import com.foxx.androidcast.vpn.VpnServiceClient;
 
@@ -44,8 +38,6 @@ public final class RemoteAccessService extends Service {
     public static final String ACTION_DISABLE_ONCE = "com.foxx.androidcast.remoteaccess.DISABLE_ONCE";
     public static final String EXTRA_MODE = "mode";
 
-    private static final int NOTIF_ID = 0x7a00;
-    private static final String CHANNEL_ID = "remote_access";
     private static final int MIN_POLL_MS = 60_000;
     private static final int MAX_POLL_MS = 420_000;
 
@@ -102,8 +94,9 @@ public final class RemoteAccessService extends Service {
         if (ACTION_STOP.equals(action)) {
             cancelPoll(this);
             RemoteAccessTunnelHelper.tearDownAll(this);
-            stopForeground(true);
+            stopForeground(STOP_FOREGROUND_REMOVE);
             stopSelf();
+            CastTrayNotifier.refresh(this);
             return START_NOT_STICKY;
         }
         if (ACTION_DISABLE_ONCE.equals(action)) {
@@ -118,8 +111,11 @@ public final class RemoteAccessService extends Service {
             stop(this);
             return START_NOT_STICKY;
         }
-        ensureChannel();
+        int fgsType = Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q
-        startForeground(NOTIF_ID, buildNotification(mode));
+                ? android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_CONNECTED_DEVICE
+                : 0;
+        CastTrayNotifier.startForeground(this, fgsType);
+        CastTrayNotifier.ensureTrayService(this);
         loadOrCreateSessionRandom();
         checkSessionExpiry();
         final RemoteAccessMode pollMode = mode;
@@ -309,22 +305,7 @@ public final class RemoteAccessService extends Service {
     }
 
     private void updateNotificationConnected(String sessionId, String tunnel) {
-        NotificationManager nm = getSystemService(NotificationManager.class);
+        CastTrayNotifier.refresh(this);
-        if (nm == null) {
-            return;
-        }
-        String text = sessionId.isEmpty()
-                ? getString(R.string.dev_remote_access_notification_connected)
-                : getString(R.string.dev_remote_access_notification_session, sessionId);
-        if ("ssh_reverse".equals(tunnel)) {
-            text = text + " (RSSH)";
-        }
-        nm.notify(NOTIF_ID, new NotificationCompat.Builder(this, CHANNEL_ID)
-                .setSmallIcon(R.drawable.ic_notification)
-                .setContentTitle(getString(R.string.dev_remote_access_notification_title))
-                .setContentText(text)
-                .setOngoing(true)
-                .build());
     }
 
     private void scheduleNextPoll() {
@@ -355,33 +336,6 @@ public final class RemoteAccessService extends Service {
         am.cancel(pi);
     }
 
-    private Notification buildNotification(RemoteAccessMode mode) {
-        Intent open = new Intent(this, DeveloperSettingsActivity.class);
-        PendingIntent pi = PendingIntent.getActivity(this, 0, open,
-                PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
-        return new NotificationCompat.Builder(this, CHANNEL_ID)
-                .setSmallIcon(R.drawable.ic_notification)
-                .setContentTitle(getString(R.string.dev_remote_access_notification_title))
-                .setContentText(getString(R.string.dev_remote_access_notification_poll, mode.name()))
-                .setContentIntent(pi)
-                .setOngoing(true)
-                .build();
-    }
-
-    private void ensureChannel() {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
-            return;
-        }
-        NotificationManager nm = getSystemService(NotificationManager.class);
-        if (nm == null) {
-            return;
-        }
-        NotificationChannel ch = new NotificationChannel(CHANNEL_ID,
-                getString(R.string.dev_remote_access_notification_channel),
-                NotificationManager.IMPORTANCE_LOW);
-        nm.createNotificationChannel(ch);
-    }
-
     private static JSONObject buildDeviceMeta(Context context) throws Exception {
         JSONObject device = new JSONObject();
         device.put("name", AppPreferences.getUsername(context));

app/src/main/java/com/foxx/androidcast/remoteaccess/RemoteAccessStatusStore.java

@@ -3,6 +3,8 @@ package com.foxx.androidcast.remoteaccess;
 import android.content.Context;
 import android.content.SharedPreferences;
 
+import com.foxx.androidcast.CastTrayNotifier;
+
 /**
  * Last remote-access / VPN tunnel event for developer network self-test.
  */
@@ -63,6 +65,7 @@ public final class RemoteAccessStatusStore {
                 .putString(KEY_SESSION_ID, sessionId != null ? sessionId : "")
                 .putLong(KEY_UPDATED_MS, System.currentTimeMillis())
                 .apply();
+        CastTrayNotifier.refresh(context.getApplicationContext());
     }
 
     public static Snapshot load(Context context) {
@@ -92,7 +95,7 @@ public final class RemoteAccessStatusStore {
         public final String sessionId;
         public final long updatedMs;
 
-        Snapshot(
+        public Snapshot(
                 String type,
                 String state,
                 String method,

app/src/main/java/com/foxx/androidcast/vpn/RemoteAccessVpnService.java

@@ -1,22 +1,15 @@
 package com.foxx.androidcast.vpn;
 
-import android.app.Notification;
-import android.app.NotificationChannel;
-import android.app.NotificationManager;
-import android.app.PendingIntent;
-import android.app.Service;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
+import android.content.pm.ServiceInfo;
 import android.net.VpnService;
 import android.os.Build;
 import android.os.ParcelFileDescriptor;
 import android.util.Log;
 
-import androidx.core.app.NotificationCompat;
+import com.foxx.androidcast.CastTrayNotifier;
-
-import com.foxx.androidcast.DeveloperSettingsActivity;
-import com.foxx.androidcast.R;
 import com.foxx.androidcast.remoteaccess.WireGuardQuickConfig;
 
 import java.net.InetAddress;
@@ -28,9 +21,6 @@ public final class RemoteAccessVpnService extends VpnService {
     public static final String ACTION_DOWN = "com.foxx.androidcast.vpn.VPN_DOWN";
     public static final String EXTRA_WG_CONFIG = "wg_config";
 
-    private static final int NOTIF_ID = 0x7a01;
-    private static final String CHANNEL_ID = "remote_access_vpn";
-
     private ParcelFileDescriptor tun;
 
     public static boolean startWithConfig(Context context, String wgConfig) {
@@ -61,14 +51,18 @@ public final class RemoteAccessVpnService extends VpnService {
         String action = intent != null ? intent.getAction() : null;
         if (ACTION_DOWN.equals(action)) {
             tearDown();
-            stopForeground(true);
+            stopForeground(STOP_FOREGROUND_REMOVE);
             stopSelf();
+            CastTrayNotifier.refresh(this);
             return START_NOT_STICKY;
         }
         if (ACTION_UP.equals(action)) {
             String cfg = intent.getStringExtra(EXTRA_WG_CONFIG);
-            ensureChannel();
+            int fgsType = Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q
-            startForeground(NOTIF_ID, buildNotification("WireGuard remote access"));
+                    ? ServiceInfo.FOREGROUND_SERVICE_TYPE_CONNECTED_DEVICE
+                    : 0;
+            CastTrayNotifier.startForeground(this, fgsType);
+            CastTrayNotifier.ensureTrayService(this);
             establishTun(cfg);
             return START_STICKY;
         }
@@ -102,6 +96,7 @@ public final class RemoteAccessVpnService extends VpnService {
             b.setMtu(1280);
             tun = b.establish();
             Log.i(TAG, "VPN interface established");
+            CastTrayNotifier.refresh(this);
         } catch (Exception e) {
             Log.e(TAG, "VPN establish failed", e);
         }
@@ -117,33 +112,6 @@ public final class RemoteAccessVpnService extends VpnService {
         }
     }
 
-    private Notification buildNotification(String text) {
-        Intent open = new Intent(this, DeveloperSettingsActivity.class);
-        PendingIntent pi = PendingIntent.getActivity(this, 0, open,
-                PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
-        return new NotificationCompat.Builder(this, CHANNEL_ID)
-                .setSmallIcon(R.drawable.ic_notification)
-                .setContentTitle(getString(R.string.dev_remote_access_notification_title))
-                .setContentText(text)
-                .setContentIntent(pi)
-                .setOngoing(true)
-                .build();
-    }
-
-    private void ensureChannel() {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
-            return;
-        }
-        NotificationManager nm = getSystemService(NotificationManager.class);
-        if (nm == null) {
-            return;
-        }
-        NotificationChannel ch = new NotificationChannel(CHANNEL_ID,
-                getString(R.string.dev_remote_access_notification_channel),
-                NotificationManager.IMPORTANCE_LOW);
-        nm.createNotificationChannel(ch);
-    }
-
     @Override
     public void onDestroy() {
         tearDown();

app/src/test/java/com/foxx/androidcast/CastTrayContentTest.java

@@ -0,0 +1,89 @@
+package com.foxx.androidcast;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import com.foxx.androidcast.remoteaccess.RemoteAccessMode;
+import com.foxx.androidcast.remoteaccess.RemoteAccessStatusStore;
+
+import org.junit.Test;
+
+public class CastTrayContentTest {
+
+    @Test
+    public void prodIdle_showsTapToOpen() {
+        CastTrayContent.Body body = CastTrayContent.build(
+                "Tap to open",
+                "Cast active",
+                "Waiting for Wi‑Fi",
+                "adb connect %1$s",
+                "Polling BE (%1$s)",
+                "Connected",
+                "Session %1$s",
+                false,
+                false,
+                "",
+                RemoteAccessMode.DISABLED,
+                null);
+        assertEquals("Tap to open", body.summary);
+        assertEquals("Tap to open", body.bigText);
+    }
+
+    @Test
+    public void casting_overridesDevLines() {
+        CastTrayContent.Body body = CastTrayContent.build(
+                "Tap to open",
+                "Cast active",
+                "Waiting",
+                "adb %1$s",
+                "Poll %1$s",
+                "Connected",
+                "Session %1$s",
+                true,
+                true,
+                "192.168.1.1:5555",
+                RemoteAccessMode.RSSH,
+                snapshot(RemoteAccessStatusStore.STATE_WAIT, ""));
+        assertEquals("Cast active", body.summary);
+    }
+
+    @Test
+    public void devMode_combinesRaAndAdbLines() {
+        RemoteAccessStatusStore.Snapshot snap =
+                snapshot(RemoteAccessStatusStore.STATE_WAIT, "");
+        CastTrayContent.Body body = CastTrayContent.build(
+                "Tap to open",
+                "Cast active",
+                "Waiting for Wi‑Fi",
+                "adb connect %1$s",
+                "Polling BE (%1$s)",
+                "Connected",
+                "Session %1$s",
+                false,
+                true,
+                "10.0.0.5:5555",
+                RemoteAccessMode.RSSH,
+                snap);
+        assertEquals("Polling BE (RSSH)", body.summary);
+        assertTrue(body.bigText.contains("Polling BE (RSSH)"));
+        assertTrue(body.bigText.contains("adb connect 10.0.0.5:5555"));
+    }
+
+    @Test
+    public void remoteAccess_connectedSession_appendsRsshTag() {
+        RemoteAccessStatusStore.Snapshot snap =
+                snapshot(RemoteAccessStatusStore.STATE_SUCCESS, "abc-123");
+        String line = CastTrayContent.remoteAccessLine(
+                "Polling BE (%1$s)",
+                "Connected",
+                "Connected · session %1$s",
+                RemoteAccessMode.RSSH,
+                snap);
+        assertEquals("Connected · session abc-123 (RSSH)", line);
+    }
+
+    private static RemoteAccessStatusStore.Snapshot snapshot(String state, String sessionId) {
+        return new RemoteAccessStatusStore.Snapshot(
+                "rssh", state, "", "", "", "", sessionId, 0L);
+    }
+}