add: debian file, perform various fixes

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,
           ),
         ));