Fix notification crash

android/src/main/java/dev/zoriya/omni/OmniPlayer.kt

@@ -1,10 +1,15 @@
 package dev.zoriya.omni
 
 import android.annotation.SuppressLint
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
 import android.app.PendingIntent
 import android.content.Intent
+import android.os.Build
 import android.util.Log
 import android.view.SurfaceHolder
+import androidx.core.app.NotificationCompat
 import androidx.media3.common.C
 import androidx.media3.common.MediaItem
 import androidx.media3.common.MediaMetadata
@@ -368,9 +373,42 @@ class OmniPlayerService : MediaSessionService() {
         })
         addSession(mediaSession)
         setShowNotificationForIdlePlayer(SHOW_NOTIFICATION_FOR_IDLE_PLAYER_ALWAYS)
+
+        val notification = createImmediateNotification()
+        startForeground(1, notification)
         triggerNotificationUpdate()
     }
 
+    private fun createImmediateNotification(): Notification {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            val channel = NotificationChannel(
+                "omni_playback",
+                "Playback",
+                NotificationManager.IMPORTANCE_LOW
+            )
+            val manager = getSystemService(NotificationManager::class.java)
+            manager.createNotificationChannel(channel)
+        }
+
+        val launchIntent = packageManager.getLaunchIntentForPackage(packageName)?.apply {
+            addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP)
+        }
+        val pendingIntent = PendingIntent.getActivity(
+            this,
+            0,
+            launchIntent,
+            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+        )
+
+        return NotificationCompat.Builder(this, "omni_playback")
+            .setSmallIcon(applicationInfo.icon.takeIf { it != 0 } ?: android.R.drawable.ic_media_play)
+            .setContentTitle("Omni Player")
+            .setContentText("Preparing playback...")
+            .setContentIntent(pendingIntent)
+            .setOngoing(true)
+            .build()
+    }
+
     override fun onGetSession(controllerInfo: MediaSession.ControllerInfo) = mediaSession
 
     override fun onTaskRemoved(rootIntent: Intent?) {