From fb8f0113c636eff73de205fb9119e02456616381 Mon Sep 17 00:00:00 2001
From: Oliver Woodman <olly@google.com>
Date: Mon, 7 Sep 2015 13:59:18 +0100
Subject: [PATCH] Hide captions when the track is disabled.

Issue #763
---
 .../com/google/android/exoplayer/demo/player/DemoPlayer.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/demo/src/main/java/com/google/android/exoplayer/demo/player/DemoPlayer.java b/demo/src/main/java/com/google/android/exoplayer/demo/player/DemoPlayer.java
index dae1c91695..2ffce8d9b2 100644
--- a/demo/src/main/java/com/google/android/exoplayer/demo/player/DemoPlayer.java
+++ b/demo/src/main/java/com/google/android/exoplayer/demo/player/DemoPlayer.java
@@ -46,6 +46,7 @@ import android.os.Looper;
 import android.view.Surface;
 
 import java.io.IOException;
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.CopyOnWriteArrayList;
@@ -253,6 +254,9 @@ public class DemoPlayer implements ExoPlayer.Listener, ChunkSampleSource.EventLi
 
   public void setSelectedTrack(int type, int index) {
     player.setSelectedTrack(type, index);
+    if (type == TYPE_TEXT && index < 0 && captionListener != null) {
+      captionListener.onCues(Collections.<Cue>emptyList());
+    }
   }
 
   public boolean getBackgrounded() {