Reusing SessionToken for all Playback connections

app/src/main/java/com/vitorpamplona/amethyst/service/playback/PlaybackClientController.kt

@@ -4,11 +4,14 @@ import android.content.ComponentName
 import android.content.Context
 import android.os.Bundle
 import android.util.Log
+import android.util.LruCache
 import androidx.media3.session.MediaController
 import androidx.media3.session.SessionToken
 import com.google.common.util.concurrent.MoreExecutors
 
 object PlaybackClientController {
+    val cache = LruCache<Int, SessionToken>(1)
+
     @androidx.annotation.OptIn(androidx.media3.common.util.UnstableApi::class)
     fun prepareController(
         controllerID: String,
@@ -25,9 +28,14 @@ object PlaybackClientController {
             bundle.putString("uri", videoUri)
             bundle.putString("callbackUri", callbackUri)
 
-            val sessionTokenLocal = SessionToken(context, ComponentName(context, PlaybackService::class.java))
+            var session = cache.get(context.hashCode())
+            if (session == null) {
+                session = SessionToken(context, ComponentName(context, PlaybackService::class.java))
+                cache.put(context.hashCode(), session)
+            }
+
             val controllerFuture = MediaController
-                .Builder(context, sessionTokenLocal)
+                .Builder(context, session)
                 .setConnectionHints(bundle)
                 .buildAsync()