From 5a48c8493fcb3ec6bc32f475e1aee29a11f80a30 Mon Sep 17 00:00:00 2001
From: Muyuan Li <muyuanli@google.com>
Date: Tue, 21 Jun 2016 11:13:03 -0700
Subject: [PATCH] Only shows music stream when using master stream.

Bug: 29446492
Change-Id: I52b686daa21499d0b054f762251c544c263fdec4
(cherry picked from commit ec88e104befb872c0bde99871eec73bf5d705369)
---
 src/com/android/settings/notification/SoundSettings.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/com/android/settings/notification/SoundSettings.java b/src/com/android/settings/notification/SoundSettings.java
index 566bb9a9ce9..f06cf412494 100644
--- a/src/com/android/settings/notification/SoundSettings.java
+++ b/src/com/android/settings/notification/SoundSettings.java
@@ -30,6 +30,7 @@ import android.database.ContentObserver;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteException;
 import android.media.AudioManager;
+import android.media.AudioSystem;
 import android.media.RingtoneManager;
 import android.net.Uri;
 import android.os.AsyncTask;
@@ -158,6 +159,12 @@ public class SoundSettings extends SettingsPreferenceFragment implements Indexab
             removePreference(KEY_RING_VOLUME);
         }
 
+        if (AudioSystem.isSingleVolume(mContext)) {
+            removePreference(KEY_RING_VOLUME);
+            removePreference(KEY_NOTIFICATION_VOLUME);
+            removePreference(KEY_ALARM_VOLUME);
+        }
+
         // Enable link to CMAS app settings depending on the value in config.xml.
         boolean isCellBroadcastAppLinkEnabled = this.getResources().getBoolean(
                 com.android.internal.R.bool.config_cellBroadcastAppLinks);