refactoring to a widget dir

lib/widgets/tensordex_home.dart

@@ -0,0 +1,89 @@
+import 'package:flutter/material.dart';
+import 'package:tensordex_mobile/widgets/poke_finder.dart';
+import 'package:tensordex_mobile/widgets/results.dart';
+
+import '../utils/logger.dart';
+import '../tflite/data/recognition.dart';
+import '../tflite/data/stats.dart';
+
+class TensordexHome extends StatefulWidget {
+  const TensordexHome({Key? key, required this.title}) : super(key: key);
+
+  // This class is the configuration for the state. It holds the values (in this
+  // case the title) provided by the parent (in this case the App widget) and
+  // used by the build method of the State. Fields in a Widget subclass are
+  // always marked "final".
+
+  final String title;
+
+  @override
+  State<TensordexHome> createState() => _TensordexHomeState();
+}
+
+class _TensordexHomeState extends State<TensordexHome> {
+  /// Results from the image classifier
+  List<Recognition> results = [Recognition(1, "NOTHING DETECTED", .5)];
+  Stats stats = Stats();
+
+  /// Scaffold Key
+  GlobalKey<ScaffoldState> scaffoldKey = GlobalKey();
+
+  void _incrementCounter() {
+    setState(() {
+      logger.d("Counter Incremented!");
+    });
+  }
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  /// Callback to get inference results from [PokeFinder]
+  void resultsCallback(List<Recognition> results) {
+    setState(() {
+      this.results = results;
+    });
+  }
+
+  /// Callback to get inference stats from [PokeFinder]
+  void statsCallback(Stats stats) {
+    setState(() {
+      this.stats = stats;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+        appBar: AppBar(
+          title: Text(widget.title),
+        ),
+        body: Center(
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.start,
+            children: <Widget>[
+              PokeFinder(
+                  resultsCallback: resultsCallback,
+                  statsCallback: statsCallback),
+              Results(results, stats),
+            ],
+          ),
+        ),
+        floatingActionButton: GestureDetector(
+          onLongPress: () {
+            _incrementCounter();
+          },
+          child: FloatingActionButton(
+            onPressed: _incrementCounter,
+            tooltip: 'Increment',
+            child: const Icon(Icons.photo_camera),
+          ), // This trailing comma makes auto-formatting nicer for build methods.
+        ));
+  }
+}