refactor(plugin): add default protocol in free message service

demo/app/home/device-list/device-list-view-model.ts

@@ -1,6 +1,7 @@
 import { Observable } from "@nativescript/core";
 import { getLogger } from "~/home/logger/logger-view-model";
 import { getNodeDiscoverer } from "nativescript-wearos-sensors/node";
+import { getFreeMessageClient } from "nativescript-wearos-sensors/internal/communication/free-message";
 
 export class DeviceListViewModel extends Observable {
 
@@ -13,6 +14,10 @@ export class DeviceListViewModel extends Observable {
         this.logger = getLogger();
         this.scanning = false;
         this.nodes = [];
+
+        getFreeMessageClient().registerListener((receivedMessage) => {
+            this.logger.logInfo(`received single message ${JSON.stringify(receivedMessage)}`);
+        });
     }
 
     getNode(index: number): ConnectedNode {

demo/app/home/device/device-view-model.ts

@@ -65,9 +65,6 @@ export class DeviceViewModel extends Observable {
         });
 
         this.freeMessageClient = getFreeMessageClient();
-        this.freeMessageClient.registerListener((receivedMessage) => {
-            this.logger.logResultForNode(this.node.name, `received single message ${JSON.stringify(receivedMessage)}`);
-        });
     }
 
     async onTestFreeMessage() {

src/internal/communication/free-message/android/free-message-result-service.android.ts

@@ -1,14 +1,14 @@
 import { CommunicationResultService } from "../../communication-result-service";
 import WearableListenerServiceDelegate = es.uji.geotec.wearos_sensors.messaging.WearableListenerServiceDelegate;
-import { FreeMessage, FreeMessageListener, FreeMessageProtocol, ReceivedMessage } from "../index";
+import { FreeMessage, FreeMessageListener, freeMessageProtocol, FreeMessageProtocol, ReceivedMessage } from "../index";
 import { CommunicationProtocol } from "../../communication-protocol";
 import { wearOS } from "../../../utils/android/wear-os-types.android";
 import { decodeMessage } from "../../encoder-decoder";
 import { decodeFreeMessage } from "../encoder-decoder";
 
 export class FreeMessageResultService implements CommunicationResultService, WearableListenerServiceDelegate {
 
-    private protocol: FreeMessageProtocol;
+    private protocol: FreeMessageProtocol = freeMessageProtocol;
     private resolutionCallbacks = new Map<string, FreeMessageListener>();
     private defaultListener: FreeMessageListener;