Feat: add pages and navigation between them; random mass

lib/main.dart

@@ -1,36 +1,23 @@
 import 'package:flutter/material.dart';
+import 'package:fitneschi/pages/home.dart';
+import 'package:fitneschi/pages/gain_room.dart';
+import 'package:fitneschi/pages/lose_room.dart';
 
 void main(){
   runApp(TheApp());
+  // runApp(
+  //  MaterialApp(
+  //   title: "title",
+  //   home: TheApp(),
+  //   ),
+  // );
 }
 
 class TheApp extends StatelessWidget {
-  const TheApp({super.key});
-
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      // theme:,
+      home: Home(),
-      home: Scaffold(
-        appBar: AppBar(
-          backgroundColor: Colors.deepPurple,
-          title: const Text("Tamagochi 2.0"),
-          centerTitle: true,
-        ),
-        body: Column(
-          children: [
-            Row(
-              mainAxisAlignment: MainAxisAlignment.center,
-              children: [
-                Icon(Icons.scale),
-                Text("Body Mass"),
-              ],
-            ),
-            Text("Fat Pct"),
-            Text("Daily Caloric Norm"),
-          ],
-        ),
-      )
     );
   }
 }

lib/pages/gain_room.dart

@@ -0,0 +1,43 @@
+import 'package:flutter/material.dart';
+import 'dart:math';
+
+int randomInRange(int min, int max) {
+  final random = Random();
+  return min + random.nextInt(max - min + 1);
+}
+
+
+class GainRoom extends StatefulWidget {
+  const GainRoom({super.key});
+
+  @override
+  State<GainRoom> createState() => _GainRoomState();
+}
+
+
+class _GainRoomState extends State<GainRoom>{
+  //vars
+  int _mass = randomInRange(40, 80);
+  //methods
+  void _gainMass(){
+    setState(() {
+    _mass += randomInRange(1, 3);
+    });
+  }
+  //ui
+  @override
+  Widget build(BuildContext context){
+    return Scaffold(
+      appBar: AppBar(title: Text("Gain Room")),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Text("Current mass:"),
+            Text(_mass.toString()),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/pages/home.dart

@@ -0,0 +1,68 @@
+import 'package:flutter/material.dart';
+import 'package:fitneschi/pages/gain_room.dart';
+import 'package:fitneschi/pages/lose_room.dart';
+import 'dart:math';
+
+int randomInRange(int min, int max) {
+  final random = Random();
+  return min + random.nextInt(max - min + 1);
+}
+
+class Home extends StatefulWidget{
+  const Home({super.key});
+
+  @override
+  State<Home> createState() => _HomeState();
+}
+
+class _HomeState extends State<Home>{
+  //vars
+  int _mass = randomInRange(40, 80);
+  //methods
+  void _gainMass(){
+    setState(() {
+    _mass += randomInRange(1, 3);
+    });
+  }
+  //ui
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+        appBar: AppBar(
+          backgroundColor: const Color.fromARGB(255, 38, 34, 46),
+          title: const Text("Tamagochi 2.0"),
+          centerTitle: true,
+        ),
+        body: Column(
+          children: [
+            Row(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                Icon(Icons.scale),
+                Text("Body Mass: "),
+                Text(_mass.toString()),
+              ],
+            ),
+            Text("Fat Pct"),
+            Text("Daily Caloric Norm"),
+            ElevatedButton(
+             child: Text("Gain Mass"),
+             onPressed: (){
+               Navigator.push(context,
+               MaterialPageRoute(builder: (context) => GainRoom()),
+               );
+              },
+            ),
+            ElevatedButton(
+             child: Text("Lose Mass"),
+             onPressed: (){
+               Navigator.push(context,
+               MaterialPageRoute(builder: (context) => LoseRoom()),
+               );
+              },
+            ),
+          ],
+        ),
+    );
+  }
+}

lib/pages/lose_room.dart

@@ -0,0 +1,43 @@
+import 'package:flutter/material.dart';
+import 'dart:math';
+
+int randomInRange(int min, int max) {
+  final random = Random();
+  return min + random.nextInt(max - min + 1);
+}
+
+
+class LoseRoom extends StatefulWidget {
+  const LoseRoom({super.key});
+
+  @override
+  State<LoseRoom> createState() => _LoseRoomState();
+}
+
+
+class _LoseRoomState extends State<LoseRoom>{
+  //vars
+  int _mass = randomInRange(40, 80);
+  //methods
+  void _loseMass(){
+    setState(() {
+    _mass -= randomInRange(1, 3);
+    });
+  }
+  // ui
+  @override
+  Widget build(BuildContext context){
+    return Scaffold(
+      appBar: AppBar(title: Text("Lose Room")),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Text("Current mass:"),
+            Text(_mass.toString()),
+          ],
+        ),
+      ),
+    );
+  }
+}

test/widget_test.dart

@@ -13,7 +13,7 @@ import 'package:fitneschi/main.dart';
 void main() {
   testWidgets('Counter increments smoke test', (WidgetTester tester) async {
     // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
+    await tester.pumpWidget(const TheApp());
 
     // Verify that our counter starts at 0.
     expect(find.text('0'), findsOneWidget);