Update samples.

Author: cloudwebrtc

android/app/build.gradle

@@ -34,7 +34,7 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.cloudwebrtc.flutterwebrtcdemo"
-        minSdkVersion 17 
+        minSdkVersion 18
         targetSdkVersion 27
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

lib/src/call_sample/call_sample.dart

@@ -98,9 +98,9 @@ class _CallSampleState extends State<CallSample> {
     }
   }
 
-  _invitePeer(context, peerId) async {
+  _invitePeer(context, peerId, use_screen) async {
     if (_signaling != null && peerId != _selfId) {
-      _signaling.invite(peerId, 'video');
+      _signaling.invite(peerId, 'video', use_screen);
     }
   }
 
@@ -110,15 +110,38 @@ class _CallSampleState extends State<CallSample> {
     }
   }
 
+  _switchCamera() {
+    _signaling.switchCamera();
+  }
+
+  _muteMic() {
+
+  }
+
   _buildRow(context, peer) {
     var self = (peer['id'] == _selfId);
     return ListBody(children: <Widget>[
       ListTile(
         title: Text(self
             ? peer['name'] + '[Your self]'
             : peer['name'] + '[' + peer['user_agent'] + ']'),
-        onTap: () => _invitePeer(context, peer['id']),
-        trailing: Icon(Icons.videocam),
+        onTap: null,
+        trailing: new SizedBox(
+            width: 100.0,
+            child: new Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: <Widget>[
+                  IconButton(
+                    icon: const Icon(Icons.videocam),
+                    onPressed: () => _invitePeer(context, peer['id'], false),
+                    tooltip: 'Video calling',
+                  ),
+                  IconButton(
+                    icon: const Icon(Icons.screen_share),
+                    onPressed: () => _invitePeer(context, peer['id'], true),
+                    tooltip: 'Screen sharing',
+                  )
+                ])),
         subtitle: Text('id: ' + peer['id']),
       ),
       Divider()
@@ -138,13 +161,28 @@ class _CallSampleState extends State<CallSample> {
           ),
         ],
       ),
+      floatingActionButtonLocation: FloatingActionButtonLocation.centerFloat,
       floatingActionButton: _inCalling
-          ? FloatingActionButton(
-              onPressed: _hangUp,
-              tooltip: 'Hangup',
-              child: new Icon(Icons.call_end),
-            )
-          : null,
+          ? new SizedBox(
+            width: 200.0,
+            child: new Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: <Widget>[
+                  FloatingActionButton(
+                    child: const Icon(Icons.switch_camera),
+                    onPressed: _switchCamera,
+                  ),
+                  FloatingActionButton(
+                    onPressed: _hangUp,
+                    tooltip: 'Hangup',
+                    child: new Icon(Icons.call_end),
+                    backgroundColor: Colors.pink,
+                  ),
+                  FloatingActionButton(
+                    child: const Icon(Icons.mic_off),
+                    onPressed: _muteMic,
+                  )
+                ])) : null,
       body: _inCalling
           ? OrientationBuilder(builder: (context, orientation) {
               return new Container(

lib/src/call_sample/data_channel_sample.dart

@@ -108,7 +108,7 @@ class _DataChannelSampleState extends State<DataChannelSample> {
 
   _invitePeer(context, peerId) async {
     if (_signaling != null && peerId != _selfId) {
-      _signaling.invite(peerId, 'data');
+      _signaling.invite(peerId, 'data', false);
     }
   }
 

lib/src/call_sample/signaling.dart

@@ -93,14 +93,20 @@ class Signaling {
     if (_socket != null) _socket.close();
   }
 
-  void invite(String peer_id, String media) {
+  void switchCamera(){
+    if(_localStream != null){
+     _localStream.getVideoTracks()[0].switchCamera();
+    }
+  }
+
+  void invite(String peer_id, String media, use_screen) {
     this._sessionId = this._selfId + '-' + peer_id;
 
     if (this.onStateChange != null) {
       this.onStateChange(SignalingState.CallStateNew);
     }
 
-    _createPeerConnection(peer_id, media).then((pc) {
+    _createPeerConnection(peer_id, media, use_screen).then((pc) {
       _peerConnections[peer_id] = pc;
       if (media == 'data') {
         _createDataChannel(peer_id, pc);
@@ -144,7 +150,7 @@ class Signaling {
             this.onStateChange(SignalingState.CallStateNew);
           }
 
-          _createPeerConnection(id, media).then((pc) {
+          _createPeerConnection(id, media, false).then((pc) {
             _peerConnections[id] = pc;
             pc.setRemoteDescription(new RTCSessionDescription(
                 description['sdp'], description['type']));
@@ -266,7 +272,7 @@ class Signaling {
     }
   }
 
-  Future<MediaStream> createStream() async {
+  Future<MediaStream> createStream(media, user_screen) async {
     final Map<String, dynamic> mediaConstraints = {
       'audio': true,
       'video': {
@@ -281,15 +287,15 @@ class Signaling {
       }
     };
 
-    MediaStream stream = await navigator.getUserMedia(mediaConstraints);
+    MediaStream stream = user_screen? await navigator.getDisplayMedia(mediaConstraints) : await navigator.getUserMedia(mediaConstraints);
     if (this.onLocalStream != null) {
       this.onLocalStream(stream);
     }
     return stream;
   }
 
-  _createPeerConnection(id, media) async {
-    if (media != 'data') _localStream = await createStream();
+  _createPeerConnection(id, media, user_screen) async {
+    if (media != 'data') _localStream = await createStream(media, user_screen);
     RTCPeerConnection pc = await createPeerConnection(_iceServers, _config);
     if (media != 'data') pc.addStream(_localStream);
     pc.onIceCandidate = (candidate) {

pubspec.yaml

@@ -19,8 +19,9 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^0.1.2
-  flutter_webrtc: ^0.0.3
+  flutter_webrtc: 0.1.0
   shared_preferences:
+
 dev_dependencies:
   flutter_test:
     sdk: flutter