Don't call RS methods after stop(). Should fix b/2245014
diff --git a/src/com/android/musicvis/vis5/Visualization5RS.java b/src/com/android/musicvis/vis5/Visualization5RS.java
index d69e4c2..76f98df 100644
--- a/src/com/android/musicvis/vis5/Visualization5RS.java
+++ b/src/com/android/musicvis/vis5/Visualization5RS.java
@@ -303,9 +303,10 @@
 
     void updateWave() {
         mHandler.removeCallbacks(mDrawCube);
-        if (mVisible) {
-            mHandler.postDelayed(mDrawCube, 20);
+        if (!mVisible) {
+            return;
         }
+        mHandler.postDelayed(mDrawCube, 20);
 
         int len = MediaPlayer.snoop(mVizData, 0);