Fixed crash

src/org/kde/kdeconnect/UserInterface/DeviceFragment.java

@@ -350,14 +350,15 @@ public class DeviceFragment extends Fragment {
                 ListAdapter adapter = new ListAdapter(mActivity, items);
                 buttonsList.setAdapter(adapter);
 
+                mActivity.invalidateOptionsMenu();
 
+            } catch (IllegalStateException e) {
+                //Ignore: The activity was closed while we were trying to update it
             } catch (ConcurrentModificationException e) {
                 Log.e("DeviceActivity", "ConcurrentModificationException");
                 this.run(); //Try again
             }
 
-            mActivity.invalidateOptionsMenu();
-
             }
         });