From fc186a281f9f667037e01190711440071bdf9304 Mon Sep 17 00:00:00 2001
From: Faye Li <si.fi.faye.li@gmail.com>
Date: Tue, 3 Jan 2017 14:37:25 -0800
Subject: [PATCH] update audio bar only when tablet is shown

---
 scripts/system/tablet-ui/tabletUI.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/scripts/system/tablet-ui/tabletUI.js b/scripts/system/tablet-ui/tabletUI.js
index 2d7b69ad38..f6fa931709 100644
--- a/scripts/system/tablet-ui/tabletUI.js
+++ b/scripts/system/tablet-ui/tabletUI.js
@@ -95,9 +95,11 @@
     }
 
     Script.setInterval(function() {
-        var currentMicLevel = getMicLevel();
-        var tablet = Tablet.getTablet("com.highfidelity.interface.tablet.system");      
-        tablet.updateAudioBar(currentMicLevel);
+       if (tabletShown) {
+            var currentMicLevel = getMicLevel();
+            var tablet = Tablet.getTablet("com.highfidelity.interface.tablet.system");      
+            tablet.updateAudioBar(currentMicLevel);
+        }
     }, MIC_LEVEL_UPDATE_INTERVAL_MS);
 
 }()); // END LOCAL_SCOPE