synchronized wait

app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/services/DanaRExecutionService.java

@@ -433,6 +433,7 @@ public class DanaRExecutionService extends Service {
             }
 
             final Object o = new Object();
+            synchronized(o) {
                 ConfigBuilderPlugin.getCommandQueue().independentConnect("bolusingInterrupted", new Callback() {
                     @Override
                     public void run() {
@@ -442,14 +443,17 @@ public class DanaRExecutionService extends Service {
                         } else {
                             log.debug("Bolus amount in history too old: " + danaRPump.lastBolusTime.toLocaleString());
                         }
+                        synchronized (o) {
                             o.notify();
                         }
+                    }
                 });
                 try {
                     o.wait();
                 } catch (InterruptedException e) {
                     e.printStackTrace();
                 }
+            }
         } else {
             ConfigBuilderPlugin.getCommandQueue().readStatus("bolusOK", null);
         }