diff --git a/demo/app/standard/standard-vm.ts b/demo/app/standard/standard-vm.ts
index 935a1b1..f5118c0 100644
--- a/demo/app/standard/standard-vm.ts
+++ b/demo/app/standard/standard-vm.ts
@@ -8,7 +8,9 @@ import {
     TNSRTCPeerConnection,
     TNSRTCSdpType,
     TNSRTCSessionDescription,
-    WebRTC
+    WebRTC,
+    TNSRTCIceServer,
+    TNSRTCConfiguration
 } from 'nativescript-webrtc-plugin';
 
 export class StandardViewModel extends Observable {
@@ -27,7 +29,13 @@ export class StandardViewModel extends Observable {
 
     constructor() {
         super();
-        this.connection = new TNSRTCPeerConnection();
+        const config = new TNSRTCConfiguration({
+            iceServers: [
+                new TNSRTCIceServer(['stun:stun.l.google.com:19302']),
+                new TNSRTCIceServer(['stun:stun1.l.google.com:19302']),
+            ]
+        })
+        this.connection = new TNSRTCPeerConnection(config);
         this.connection.onIceCandidate(candidate => {
             const object = {};
             object['from'] = this.me;
@@ -43,7 +51,7 @@ export class StandardViewModel extends Observable {
             }
         });
         this.me = this.generateId();
-        this.socket = new SocketIO('http://192.168.0.10:3001', {
+        this.socket = new SocketIO('http://192.168.0.15:3001', {
             forceNew: true,
             secure: false
         });
@@ -128,7 +136,7 @@ export class StandardViewModel extends Observable {
                 }
             });
         } else {
-            this.setUpUserMedia();
+           this.setUpUserMedia();
         }
     }
 
diff --git a/src/package.json b/src/package.json
index de991eb..a10e0b7 100644
--- a/src/package.json
+++ b/src/package.json
@@ -1,6 +1,6 @@
 {
     "name": "nativescript-webrtc-plugin",
-    "version": "2.0.0-alpha.21",
+    "version": "2.0.0-alpha.22",
     "description": "WebRTC for NativeScript",
     "main": "webrtc",
     "typings": "index.d.ts",
diff --git a/src/platforms/android/fancywebrtc-release.aar b/src/platforms/android/fancywebrtc-release.aar
index 560f30b..6fc8392 100644
Binary files a/src/platforms/android/fancywebrtc-release.aar and b/src/platforms/android/fancywebrtc-release.aar differ
diff --git a/src/src/android/TNSRTCIceServer.ts b/src/src/android/TNSRTCIceServer.ts
index f26c44e..0d1e03d 100644
--- a/src/src/android/TNSRTCIceServer.ts
+++ b/src/src/android/TNSRTCIceServer.ts
@@ -4,10 +4,15 @@ export class TNSRTCIceServer extends TNSRTCIceServerBase {
 
     constructor(urls: Array<string>, username?: string, credential?: string) {
         super(urls, username, credential);
+        const array = Array.create('java.lang.String', urls.length);
+            const length = urls.length;
+            for(let i = 0; i < length;i++){
+                array[i] = urls[i];
+            }
         if (urls && !username && !credential) {
-            this.server = new co.fitcom.fancywebrtc.FancyRTCIceServer(urls as any);
+            this.server = new co.fitcom.fancywebrtc.FancyRTCIceServer(array);
         } else {
-            this.server = new co.fitcom.fancywebrtc.FancyRTCIceServer(urls as any, username, credential);
+            this.server = new co.fitcom.fancywebrtc.FancyRTCIceServer(array, username, credential);
         }
 
     }
diff --git a/src/src/index.d.ts b/src/src/index.d.ts
index b0a235a..8572364 100644
--- a/src/src/index.d.ts
+++ b/src/src/index.d.ts
@@ -205,7 +205,7 @@ declare class TNSRTCTrackEventBase {
 /* Base */
 
 export declare class TNSRTCAudioTrack extends TNSRTCMediaStreamTrack {
-    protected _audioTrack;
+    private _audioTrack;
 
     constructor(track: any);
 
@@ -220,7 +220,7 @@ export declare class TNSRTCAudioTrack extends TNSRTCMediaStreamTrack {
 }
 
 export declare class TNSRTCConfiguration extends TNSRTCConfigurationBase {
-    protected _configuration;
+    _configuration;
 
     constructor(options?: TNSRTCConfigurationOptions);
 
@@ -230,7 +230,7 @@ export declare class TNSRTCConfiguration extends TNSRTCConfigurationBase {
 }
 
 export declare class TNSRTCDataChannel extends TNSRTCDataChannelBase {
-    protected _channel;
+    private _channel;
 
     protected constructor();
 
@@ -242,7 +242,7 @@ export declare class TNSRTCDataChannel extends TNSRTCDataChannelBase {
 }
 
 export declare class TNSRTCDataChannelEvent extends TNSRTCDataChannelEventBase {
-    protected _event;
+    private _event;
 
     constructor(event: any);
 
@@ -252,7 +252,7 @@ export declare class TNSRTCDataChannelEvent extends TNSRTCDataChannelEventBase {
 }
 
 export declare class TNSRTCDTMFSender extends TNSRTCDTMFSenderBase {
-    protected _sender;
+    private _sender;
 
     protected constructor();
 
@@ -310,7 +310,7 @@ export declare class TNSRTCMediaDevices {
 }
 
 export declare class TNSRTCMediaStream extends TNSRTCMediaStreamBase {
-    protected _stream;
+    private _stream;
 
     protected constructor();
 
@@ -331,7 +331,7 @@ export declare class TNSRTCMediaStream extends TNSRTCMediaStreamBase {
 }
 
 declare class TNSRTCMediaStreamConstraints extends TNSRTCMediaStreamConstraintsBase {
-    protected _mediaStreamConstraints;
+    private _mediaStreamConstraints;
 
     constructor(audio: any, video: any);
 
@@ -342,7 +342,7 @@ declare class TNSRTCMediaStreamConstraints extends TNSRTCMediaStreamConstraintsB
 
 
 export declare class TNSRTCMediaStreamTrack extends TNSRTCMediaStreamTrackBase {
-    protected _mediaStreamTrack;
+    private _mediaStreamTrack;
 
     constructor(mediaStreamTrack: any);
 
@@ -418,7 +418,7 @@ export declare class TNSRTCPeerConnection {
 }
 
 export declare class TNSRTCRtpParameters extends TNSRTCRtpParametersBase {
-    protected _parameters;
+    private _parameters;
 
     protected constructor();
 
@@ -431,7 +431,7 @@ export declare class TNSRTCRtpParameters extends TNSRTCRtpParametersBase {
 
 
 export declare class TNSRTCRtpReceiver extends TNSRTCRtpReceiverBase {
-    protected _receiver;
+    private _receiver;
 
     protected constructor();
 
@@ -444,7 +444,7 @@ export declare class TNSRTCRtpReceiver extends TNSRTCRtpReceiverBase {
 
 
 export declare class TNSRTCRtpSender extends TNSRTCRtpSenderBase {
-    protected _sender;
+    private _sender;
 
     protected constructor();
 
@@ -466,7 +466,7 @@ export declare class TNSRTCRtpSender extends TNSRTCRtpSenderBase {
 
 
 export declare class TNSRTCRtpTransceiver extends TNSRTCRtpTransceiverBase {
-    protected _transceiver;
+    private _transceiver;
 
     protected constructor();
 
@@ -494,7 +494,7 @@ export declare enum TNSRTCSdpType {
 
 
 export declare class TNSRTCSessionDescription {
-    protected _sessionDescription;
+    private _sessionDescription;
 
     constructor(...args: any[]);
 
@@ -512,7 +512,7 @@ export declare class TNSRTCSessionDescription {
 
 
 export declare class TNSRTCTrackEvent extends TNSRTCTrackEventBase {
-    protected _event;
+    private _event;
 
     constructor(event: any);
 
@@ -526,7 +526,7 @@ export declare class TNSRTCTrackEvent extends TNSRTCTrackEventBase {
 
 
 export declare class TNSRTCVideoTrack extends TNSRTCMediaStreamTrack {
-    protected _videoTrack;
+    private _videoTrack;
 
     constructor(track: any);