layout and remote fix

src-tauri/src/playback_mode/mod.rs

@@ -113,6 +113,26 @@ impl PlaybackModeManager {
         }
     }
 
+    /// Start the Android playback service and hand it remote-volume control.
+    ///
+    /// Must run on EVERY transition into remote mode, because it is what starts
+    /// the foreground service. Without a running service there is no media
+    /// notification (the lockscreen card is missing) AND system volume buttons
+    /// aren't intercepted for the remote session (remote volume control dead).
+    /// Both symptoms share this one cause, so this must not be skipped on any
+    /// remote-entry path (notably the empty-queue early return in
+    /// `transfer_to_remote_inner`). No-op / non-Android builds do nothing.
+    #[allow(unused_variables)]
+    fn enable_remote_control(&self) {
+        #[cfg(target_os = "android")]
+        {
+            if let Err(e) = crate::player::enable_remote_volume(50) {
+                log::warn!("[PlaybackMode] Failed to enable remote volume/service: {}", e);
+                // Non-fatal - continue; the next poll tick will retry metadata.
+            }
+        }
+    }
+
     /// Check if currently transferring
     pub fn is_transferring(&self) -> bool {
         self.is_transferring.load(Ordering::Relaxed)
@@ -334,6 +354,10 @@ impl PlaybackModeManager {
             self.set_mode(PlaybackMode::Remote {
                 session_id: session_id.to_string(),
             });
+            // Start the service + remote-volume control here too — otherwise this
+            // early return leaves remote mode with no media notification and no
+            // volume interception (lockscreen card missing + remote volume dead).
+            self.enable_remote_control();
             return Ok(());
         }
 
@@ -589,14 +613,9 @@ impl PlaybackModeManager {
             session_id: session_id.to_string(),
         });
 
-        // Enable remote volume control on Android (intercepts volume buttons)
-        #[cfg(target_os = "android")]
-        {
-            if let Err(e) = crate::player::enable_remote_volume(50) {
-                log::warn!("[PlaybackMode] Failed to enable remote volume: {}", e);
-                // Non-fatal - continue with transfer
-            }
-        }
+        // Start the service + remote-volume control (intercepts volume buttons,
+        // and starts the foreground service that renders the lockscreen card).
+        self.enable_remote_control();
 
         log::info!("[PlaybackMode] Successfully transferred to remote");
         Ok(())