Fix issue 2299360: Change in in-call volume affects the Bluetooth in-call volume and vice versa.

Add a separate system settings entry for bluetooth SCO volume.

api/current.xml

@@ -130819,6 +130819,17 @@
  visibility="public"
 >
 </field>
+<field name="VOLUME_BLUETOOTH_SCO"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;volume_bluetooth_sco&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
 <field name="VOLUME_MUSIC"
  type="java.lang.String"
  transient="false"

core/java/android/provider/Settings.java

@@ -1193,6 +1193,12 @@ public final class Settings {
          */
         public static final String VOLUME_NOTIFICATION = "volume_notification";
 
+        /**
+         * Bluetooth Headset volume. This is used internally, changing this value will
+         * not change the volume. See AudioManager.
+         */
+        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
+
         /**
          * Whether the notifications should use the ring volume (value of 1) or
          * a separate notification volume (value of 0). In most cases, users
@@ -1214,7 +1220,7 @@ public final class Settings {
          */
         public static final String[] VOLUME_SETTINGS = {
             VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
-            VOLUME_ALARM, VOLUME_NOTIFICATION
+            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
         };
 
         /**
@@ -1472,12 +1478,14 @@ public final class Settings {
             VOLUME_MUSIC,
             VOLUME_ALARM,
             VOLUME_NOTIFICATION,
+            VOLUME_BLUETOOTH_SCO,
             VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
             VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
             VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
             VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
             VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
             VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
+            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
             TEXT_AUTO_REPLACE,
             TEXT_AUTO_CAPS,
             TEXT_AUTO_PUNCTUATE,

media/java/android/media/AudioService.java

@@ -168,7 +168,7 @@ public class AudioService extends IAudioService.Stub {
         AudioSystem.STREAM_MUSIC, // STREAM_MUSIC
         AudioSystem.STREAM_ALARM,  // STREAM_ALARM
         AudioSystem.STREAM_NOTIFICATION,  // STREAM_NOTIFICATION
-        AudioSystem.STREAM_VOICE_CALL, // STREAM_BLUETOOTH_SCO
+        AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO
         AudioSystem.STREAM_SYSTEM,  // STREAM_SYSTEM_ENFORCED
         AudioSystem.STREAM_VOICE_CALL, // STREAM_DTMF
         AudioSystem.STREAM_MUSIC  // STREAM_TTS

packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java

@@ -71,7 +71,7 @@ public class DatabaseHelper extends SQLiteOpenHelper {
     // database gets upgraded properly. At a minimum, please confirm that 'upgradeVersion'
     // is properly propagated through your change.  Not doing so will result in a loss of user
     // settings.
-    private static final int DATABASE_VERSION = 43;
+    private static final int DATABASE_VERSION = 44;
 
     private Context mContext;
 
@@ -539,6 +539,24 @@ public class DatabaseHelper extends SQLiteOpenHelper {
             upgradeVersion = 43;
         }
 
+        if (upgradeVersion == 43) {
+            /*
+             * This upgrade stores bluetooth volume separately from voice volume
+             */
+            db.beginTransaction();
+            try {
+                SQLiteStatement stmt = db.compileStatement("INSERT OR IGNORE INTO system(name,value)"
+                        + " VALUES(?,?);");
+                loadSetting(stmt, Settings.System.VOLUME_BLUETOOTH_SCO,
+                        AudioManager.DEFAULT_STREAM_VOLUME[AudioManager.STREAM_BLUETOOTH_SCO]);
+                stmt.close();
+                db.setTransactionSuccessful();
+            } finally {
+                db.endTransaction();
+            }
+            upgradeVersion = 44;
+        }
+
         if (upgradeVersion != currentVersion) {
             Log.w(TAG, "Got stuck trying to upgrade from version " + upgradeVersion
                     + ", must wipe the settings provider");
@@ -691,6 +709,11 @@ public class DatabaseHelper extends SQLiteOpenHelper {
                 stmt,
                 Settings.System.VOLUME_NOTIFICATION,
                 AudioManager.DEFAULT_STREAM_VOLUME[AudioManager.STREAM_NOTIFICATION]);
+        loadSetting(
+                stmt,
+                Settings.System.VOLUME_BLUETOOTH_SCO,
+                AudioManager.DEFAULT_STREAM_VOLUME[AudioManager.STREAM_BLUETOOTH_SCO]);
+
         loadSetting(stmt, Settings.System.MODE_RINGER,
                 AudioManager.RINGER_MODE_NORMAL);