+    /** \r
+     * Implements callback methods for service binding. Passed as a parameter to { \r
+     */\r
+    private class OperationsServiceConnection implements ServiceConnection {\r
+\r
+        @Override\r
+        public void onServiceConnected(ComponentName component, IBinder service) {\r
+            if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {\r
+                Log_OC.d(TAG, "Operations service connected");\r
+                mOperationsServiceBinder = (OperationsServiceBinder) service;\r
+                mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);\r
+            } else {\r
+                return;\r
+            }\r
+            \r
+        }\r
+\r
+        @Override\r
+        public void onServiceDisconnected(ComponentName component) {\r
+            if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {\r
+                Log_OC.d(TAG, "Operations service disconnected");\r
+                mOperationsServiceBinder = null;\r
+                // TODO whatever could be waiting for the service is unbound\r
+            }\r
+        }\r
+    \r
+    }\r