AdapterStatusListener[1] and DBTAdapter[2] API Refinement: [1] non const DBTAdapter, [2] use HCIStatusCode for start/stopDiscovery

and well as [2] return boolean for set[Discoverable|Bondable|Powered](..).

AdapterStatusListener needs to pass non-const DBTAdapter to allow actionable modification of adapter state,
e.g. start/stopDiscovery.

HCIStatusCode is desired for start/stopDiscovery, allowing user to read actual HCI status code on failure.

boolean return value for set[Discoverable|Bondable|Powered](..) reflecting general success or failure
on these basic commands.

1 files changed, 7 insertions, 3 deletions

diff --git a/java/tinyb/dbus/DBusManager.java b/java/tinyb/dbus/DBusManager.java
index 61d0935d..e815aeec 100644
--- a/java/tinyb/dbus/DBusManager.java
+++ b/java/tinyb/dbus/DBusManager.java
@@ -37,6 +37,7 @@ import org.tinyb.BluetoothGattService;
 import org.tinyb.BluetoothObject;
 import org.tinyb.BluetoothManager;
 import org.tinyb.BluetoothType;
+import org.tinyb.HCIStatusCode;
 
 public class DBusManager implements BluetoothManager
 {
@@ -109,12 +110,15 @@ public class DBusManager implements BluetoothManager
     public native boolean startDiscovery() throws BluetoothException;
 
     @Override
-    public boolean startDiscovery(final boolean keepAlive) throws BluetoothException {
-        return startDiscovery(); // FIXME keepAlive
+    public HCIStatusCode startDiscovery(final boolean keepAlive) throws BluetoothException {
+        return startDiscovery() ? HCIStatusCode.SUCCESS : HCIStatusCode.INTERNAL_FAILURE; // FIXME keepAlive
     }
 
     @Override
-    public native boolean stopDiscovery() throws BluetoothException;
+    public HCIStatusCode stopDiscovery() throws BluetoothException {
+        return stopDiscoveryImpl() ? HCIStatusCode.SUCCESS : HCIStatusCode.INTERNAL_FAILURE;
+    }
+    private native boolean stopDiscoveryImpl() throws BluetoothException;
 
     @Override
     public native boolean getDiscovering() throws BluetoothException;