Merge pull request rusfearuth#1 from kamwong3/master

enable the mqttOptions.setWill

Author: rusfearuth

android/src/main/java/com/tuanpm/RCTMqtt/RCTMqtt.java

@@ -143,7 +143,7 @@ private void createClient(@NonNull final ReadableMap params)
         }
         if (params.hasKey("willtopic"))
         {
-            defaultOptions.putString("willMsg", params.getString("willMsg"));
+            defaultOptions.putString("willtopic", params.getString("willtopic"));
         }
         if (params.hasKey("willQos"))
         {
@@ -230,7 +230,9 @@ public X509Certificate[] getAcceptedIssuers()
 
         if (options.getBoolean("will"))
         {
-            // WTF?
+            String topic = options.getString("willtopic");
+            log("[ MQTT ] setWill"+topic);
+            mqttOptions.setWill(topic, options.getString("willMsg").getBytes(), options.getInt("willQos"), options.getBoolean("willRetainFlag"));
         }
 
         memPer = new MemoryPersistence();
@@ -555,4 +557,4 @@ private void log(@NonNull final String message)
         final String tag = new StringBuilder(TAG).append(" ").append(clientRef).toString();
         Log.d(tag, message);
     }
-}
+}