Added internal API getMaxConnectedAudioDevices()

The API can be used to obtain the maximum number of connected
devices for A2DP or HFP.

Test: Manual
Bug: 64767509
Change-Id: I80b8a1c85e33ae0b23fdc4812f8991a4202d9abc

1 files changed, 21 insertions, 0 deletions

diff --git a/framework/java/android/bluetooth/BluetoothAdapter.java b/framework/java/android/bluetooth/BluetoothAdapter.java
index c7be0f36ec..cdc881a25a 100644
--- a/framework/java/android/bluetooth/BluetoothAdapter.java
+++ b/framework/java/android/bluetooth/BluetoothAdapter.java
@@ -1671,6 +1671,27 @@ public final class BluetoothAdapter {
     }
 
     /**
+     * Get the maximum number of connected audio devices.
+     *
+     * @return the maximum number of connected audio devices
+     * @hide
+     */
+    @RequiresPermission(Manifest.permission.BLUETOOTH)
+    public int getMaxConnectedAudioDevices() {
+        try {
+            mServiceLock.readLock().lock();
+            if (mService != null) {
+                return mService.getMaxConnectedAudioDevices();
+            }
+        } catch (RemoteException e) {
+            Log.e(TAG, "failed to get getMaxConnectedAudioDevices, error: ", e);
+        } finally {
+            mServiceLock.readLock().unlock();
+        }
+        return 1;
+    }
+
+    /**
      * Return true if hardware has entries available for matching beacons
      *
      * @return true if there are hw entries available for matching beacons