From 99d0e702aa1ae5300cd47f76de3d5acafa268d22 Mon Sep 17 00:00:00 2001
From: "J. Neugebauer" <ngb@helmholtz-bi.de>
Date: Mon, 11 Jul 2022 22:09:00 +0200
Subject: [PATCH] eventDispatch nur nach initialisierung aufrufen

---
 src/main/java/schule/ngb/zm/media/Music.java | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/main/java/schule/ngb/zm/media/Music.java b/src/main/java/schule/ngb/zm/media/Music.java
index 1bd5640..a361eb3 100644
--- a/src/main/java/schule/ngb/zm/media/Music.java
+++ b/src/main/java/schule/ngb/zm/media/Music.java
@@ -194,7 +194,9 @@ public class Music implements Audio {
 	private void stream() {
 		audioLine.start();
 		playing = true;
-		eventDispatcher.dispatchEvent("start", Music.this);
+		if( eventDispatcher != null ) {
+			eventDispatcher.dispatchEvent("start", Music.this);
+		}
 
 		byte[] bytesBuffer = new byte[BUFFER_SIZE];
 		int bytesRead = -1;
@@ -221,7 +223,9 @@ public class Music implements Audio {
 
 		playing = false;
 		streamingStopped();
-		eventDispatcher.dispatchEvent("stop", Music.this);
+		if( eventDispatcher != null ) {
+			eventDispatcher.dispatchEvent("stop", Music.this);
+		}
 	}
 
 	private boolean openLine() {