add: debian file, perform various fixes

ui/android/app/src/main/AndroidManifest.xml

@@ -31,5 +31,6 @@
             android:value="2" />
     </application>
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
 </manifest>

ui/lib/call.dart

@@ -38,15 +38,16 @@ class CallState extends State<Call> {
     logger.i("Init remote renderer");
     await _remoteRenderer.initialize();
     logger.i("Creating session");
-    await _createSesson();
+    await _createSession();
   }
 
-  _createSesson() async {
+  _createSession() async {
     var callOptions = CallOptions(metadata: {
       'Authorization': await widget.sessionService.getAuthToken(widget.home)
     });
 
     var cancelCreate = Completer();
+    var sendIceCandidates = Completer();
 
     var clientSession = await widget.client.createSession(
         pb.CreateSessionRequest(
@@ -73,6 +74,8 @@ class CallState extends State<Call> {
     };
 
     peerConnection.onIceCandidate = (candidate) async {
+      await sendIceCandidates.future;
+      logger.i("Sending ICE candidate");
       if (candidate.candidate == null) {
         await widget.client.createIceMessage(
             CreateIceMessageRequest(
@@ -99,16 +102,15 @@ class CallState extends State<Call> {
     };
 
     peerConnection.onIceConnectionState = (state) {
-      statusLine = "Ice state now $state";
+      statusLine = "$state";
       setState(() {});
-      logger.i("Ice state now $state");
 
       switch (state) {
-        case RTCIceConnectionState.RTCIceConnectionStateClosed:
-        case RTCIceConnectionState.RTCIceConnectionStateDisconnected:
+        //case RTCIceConnectionState.RTCIceConnectionStateClosed:
+        //case RTCIceConnectionState.RTCIceConnectionStateDisconnected:
         case RTCIceConnectionState.RTCIceConnectionStateFailed:
           cancelCreate.complete(CallCancelled());
-          _connect();
+        //_connect();
         default:
         // do nothing
       }
@@ -136,7 +138,6 @@ class CallState extends State<Call> {
     var offer = await peerConnection.createOffer();
     await peerConnection.setLocalDescription(offer);
     // Send offer through signaling server
-    logger.i("Offer is $offer");
     await widget.client.createIceMessage(
         pb.CreateIceMessageRequest(
           sessionIdentifier: clientSession.id,
@@ -149,6 +150,20 @@ class CallState extends State<Call> {
         ),
         options: callOptions);
 
+    // Expect back a response
+    var someResponse = await Future.any([
+      widget.client.popIceMessage(
+          pb.PopIceMessageRequest(sessionIdentifier: clientSession.id),
+          options: callOptions),
+      cancelCreate.future,
+    ]);
+    var resp = someResponse as pb.IceMessage;
+    var session = resp.session;
+    await peerConnection
+        .setRemoteDescription(RTCSessionDescription(session.sdp, "answer"));
+
+    sendIceCandidates.complete();
+
     // Get candidates from remote
     while (true) {
       var someResponse = await Future.any([
@@ -168,10 +183,6 @@ class CallState extends State<Call> {
             resp.candidate.sdpLineIndex));
       } else if (resp.hasNoMoreCandidates()) {
         logger.i("No more candidates from remote");
-      } else if (resp.hasSession()) {
-        var session = resp.session;
-        await peerConnection
-            .setRemoteDescription(RTCSessionDescription(session.sdp, "answer"));
         break;
       }
     }
@@ -183,7 +194,7 @@ class CallState extends State<Call> {
       Text(widget.cameraID.id),
       Text(statusLine),
       SizedBox(
-          height: 480,
+          height: 320,
           child: _ready
               ? RTCVideoView(_remoteRenderer)
               : const Text("Loading...")),

ui/lib/main.dart

@@ -1,3 +1,5 @@
+import 'dart:collection';
+
 import 'package:flutter/material.dart';
 //import 'package:grpc/grpc_web.dart';
 import 'package:grpc/grpc.dart';
@@ -36,9 +38,9 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Flutter Demo',
-      theme: ThemeData(
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+      title: 'Home Sensors',
+      theme: ThemeData.dark(
+        // colorScheme: ColorScheme.fromSeed(seedColor: Colors.black87),
         useMaterial3: true,
       ),
       home: MyHomePage(
@@ -75,8 +77,8 @@ class MyHomePage extends StatefulWidget {
 
 class _MyHomePageState extends State<MyHomePage> {
   String topMessage = "Creating session...";
-  List<Call> camerasToRender = [];
-  List<Widget> samples = [];
+  List<Widget> camerasToRender = [];
+  Map<String, Widget> cameraSamples = {};
 
   @override
   void initState() {
@@ -100,8 +102,11 @@ class _MyHomePageState extends State<MyHomePage> {
         .listSamples(ListSamplesRequest(), options: callOptions);
 
     for (var sample in resp.samples) {
-      samples
-          .add(Text("${sample.type}: ${sample.reading} on ${sample.cameraId}"));
+      if (sample.type == Sample_Type.TEMPERATURE_C) {
+        var reading = (sample.reading * 9.0 / 5.0) + 32;
+        cameraSamples[sample.cameraId.id] =
+            Text("${reading.toStringAsFixed(2)} f");
+      }
     }
     setState(() {});
   }
@@ -113,12 +118,22 @@ class _MyHomePageState extends State<MyHomePage> {
     var cameras = await widget.client
         .listCameras(ListCamerasRequest(), options: callOptions);
 
+    cameras.cameras.sort((a, b) => a.identifier.id.compareTo(b.identifier.id));
+    camerasToRender = [];
     for (var camera in cameras.cameras) {
-      camerasToRender.add(Call(
-        widget.client,
-        widget.sessionService,
-        cameraID: camera.identifier,
-        home: widget.home,
+      List<Widget> children = [
+        Call(
+          widget.client,
+          widget.sessionService,
+          cameraID: camera.identifier,
+          home: widget.home,
+        ),
+      ];
+      if (cameraSamples.containsKey(camera.identifier.id)) {
+        children.add(cameraSamples[camera.identifier.id]!);
+      }
+      camerasToRender.add(Column(
+        children: children,
       ));
     }
     setState(() {});
@@ -134,12 +149,7 @@ class _MyHomePageState extends State<MyHomePage> {
     // than having to individually change instances of widgets.
     return Scaffold(
         appBar: AppBar(
-          // TRY THIS: Try changing the color here to a specific color (to
-          // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
-          // change color while the other colors stay the same.
           backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-          // Here we take the value from the MyHomePage object that was created by
-          // the App.build method, and use it to set our appbar title.
           title: Text(widget.title),
         ),
         body: SingleChildScrollView(
@@ -150,7 +160,6 @@ class _MyHomePageState extends State<MyHomePage> {
             children: <Widget>[
                   Text(topMessage),
                 ] +
-                samples +
                 camerasToRender,
           ),
         ));