fix(android): onEvents reads UPnP state so resume keeps duration

android/app/src/main/java/com/fabledsword/minstrel/player/PlayerController.kt

@@ -429,15 +429,30 @@ class PlayerController @Inject constructor(
                         ?.getString(MINSTREL_SOURCE_KEY)
                     val isUpnpLoading = activeUpnpHolder.target.value != null &&
                         activeUpnpHolder.active.value == null
+                    // When UPnP is active, the wrapped ExoPlayer is paused with
+                    // no real audio loaded -- player.duration / isPlaying /
+                    // currentPosition all reflect that. Read from remoteState
+                    // instead so an onEvents fire (e.g. activity resume) doesn't
+                    // clobber the UI with zeros.
+                    val upnpActive = activeUpnpHolder.active.value != null
                     uiStateInternal.value =
                         PlayerUiState(
                             currentTrack = current,
                             queue = queueRefs,
                             queueIndex = idx,
-                            isPlaying = player.isPlaying,
+                            isPlaying = if (upnpActive) remoteState.isPlaying else player.isPlaying,
-                            isBuffering = player.playbackState == Player.STATE_BUFFERING,
+                            isBuffering = !upnpActive &&
-                            positionMs = player.currentPosition.coerceAtLeast(0),
+                                player.playbackState == Player.STATE_BUFFERING,
-                            durationMs = player.duration.coerceAtLeast(0),
+                            positionMs = if (upnpActive) {
+                                remoteState.positionMs
+                            } else {
+                                player.currentPosition
+                            }.coerceAtLeast(0),
+                            durationMs = if (upnpActive) {
+                                remoteState.durationMs
+                            } else {
+                                player.duration
+                            }.coerceAtLeast(0),
                             bufferedPositionMs = player.bufferedPosition.coerceAtLeast(0),
                             playbackError = player.playerError?.message,
                             currentSource = source,