BluetoothManager: Expose native get_default_adapter() to java as getDefaultAdapter()

Notable: manager.stopDiscovery() doesn't lead to !manager.getDiscovering() (radio silence).
Only manager.getDefaultAdapter().stopDiscovery() worked.

1 files changed, 8 insertions, 0 deletions

diff --git a/java/BluetoothManager.java b/java/BluetoothManager.java
index 0c415d6..489ac3e 100644
--- a/java/BluetoothManager.java
+++ b/java/BluetoothManager.java
@@ -195,6 +195,14 @@ public class BluetoothManager
       */
     public native boolean setDefaultAdapter(BluetoothAdapter adapter);
 
+    /** Gets the default adapter to use for discovery.
+      * <p>
+      * System default is the last detected adapter at initialisation.
+      * </p>
+      * @return the used default adapter
+      */
+    public native BluetoothAdapter getDefaultAdapter();
+
     /** Turns on device discovery on the default adapter if it is disabled.
       * @return TRUE if discovery was successfully enabled
       */