+    /**
+     * Show loading dialog 
+     */
+    public void showLoadingDialog() {
+        // Construct dialog
+        LoadingDialog loading = new LoadingDialog(getResources().getString(R.string.wait_a_moment));
+        FragmentManager fm = getSupportFragmentManager();
+        FragmentTransaction ft = fm.beginTransaction();
+        loading.show(ft, DIALOG_WAIT_TAG);
+        
+    }
+
+    
+    /**
+     * Dismiss loading dialog
+     */
+    public void dismissLoadingDialog(){
+        Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
+        if (frag != null) {
+            LoadingDialog loading = (LoadingDialog) frag;
+            loading.dismiss();
+        }
+    }
+
+    
+    /** 
+     * Implements callback methods for service binding. Passed as a parameter to { 
+     */
+    private class OperationsServiceConnection implements ServiceConnection {
+
+        @Override
+        public void onServiceConnected(ComponentName component, IBinder service) {
+            if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
+                Log_OC.d(TAG, "Operations service connected");
+                mOperationsServiceBinder = (OperationsServiceBinder) service;
+                mOperationsServiceBinder.addOperationListener(FileActivity.this, mHandler);
+                if (!mOperationsServiceBinder.isPerformingBlockingOperation()) {
+                    dismissLoadingDialog();
+                }
+
+            } else {
+                return;
+            }
+        }
+        
+
+        @Override
+        public void onServiceDisconnected(ComponentName component) {
+            if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
+                Log_OC.d(TAG, "Operations service disconnected");
+                mOperationsServiceBinder = null;
+                // TODO whatever could be waiting for the service is unbound
+            }
+        }
+    };