Fixed visual bug for updating whether device is being scanned or conn…

…ected

app/watt_wizard/android/app/build.gradle

@@ -45,7 +45,7 @@ android {
         applicationId "com.example.watt_wizard"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion flutter.minSdkVersion
+        minSdkVersion 21
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

app/watt_wizard/android/app/google-services.json

@@ -1,29 +1,29 @@
 {
-  "project_info": {
-    "project_number": "192909855910",
-    "project_id": "hackgt2023",
-    "storage_bucket": "hackgt2023.appspot.com"
-  },
-  "client": [
-    {
-      "client_info": {
-        "mobilesdk_app_id": "1:192909855910:android:a3092489a70c4c20873867",
-        "android_client_info": {
-          "package_name": "com.example.watt_wizard"
-        }
-      },
-      "oauth_client": [],
-      "api_key": [
-        {
-          "current_key": "AIzaSyATxM_RUX_OreCB3ftyZaI2ByYNNZTRqm4"
-        }
-      ],
-      "services": {
-        "appinvite_service": {
-          "other_platform_oauth_client": []
-        }
-      }
-    }
-  ],
-  "configuration_version": "1"
-}
+	"project_info": {
+		"project_number": "192909855910",
+		"project_id": "hackgt2023",
+		"storage_bucket": "hackgt2023.appspot.com"
+	},
+	"client": [
+		{
+			"client_info": {
+				"mobilesdk_app_id": "1:192909855910:android:a3092489a70c4c20873867",
+				"android_client_info": {
+					"package_name": "com.example.watt_wizard"
+				}
+			},
+			"oauth_client": [],
+			"api_key": [
+				{
+					"current_key": "AIzaSyATxM_RUX_OreCB3ftyZaI2ByYNNZTRqm4"
+				}
+			],
+			"services": {
+				"appinvite_service": {
+					"other_platform_oauth_client": []
+				}
+			}
+		}
+	],
+	"configuration_version": "1"
+}

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

@@ -1,8 +1,24 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- Tell Google Play Store that your app uses Bluetooth LE
+        Set android:required="true" if bluetooth is necessary -->
+    <uses-feature android:name="android.hardware.bluetooth_le" android:required="false" />
+
+    <!-- New Bluetooth permissions in Android 12
+    https://developer.android.com/about/versions/12/features/bluetooth-permissions -->
+    <uses-permission android:name="android.permission.BLUETOOTH_SCAN" android:usesPermissionFlags="neverForLocation" />
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
+
+    <!-- legacy for Android 11 or lower -->
+    <uses-permission android:name="android.permission.BLUETOOTH" android:maxSdkVersion="30" />
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" android:maxSdkVersion="30" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" android:maxSdkVersion="30"/>
+
+    <!-- legacy for Android 9 or lower -->
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" android:maxSdkVersion="28" />
     <application
         android:label="watt_wizard"
         android:name="${applicationName}"
-        android:icon="@mipmap/launcher_icon">
+        android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
             android:exported="true"

app/watt_wizard/android/app/src/main/res/drawable-v21/launch_background.xml

@@ -4,9 +4,9 @@
     <item android:drawable="?android:colorBackground" />
 
     <!-- You can insert your own image assets here -->
-    <!-- <item>
+    <item>
         <bitmap
             android:gravity="center"
-            android:src="@mipmap/launch_image" />
-    </item> -->
+            android:src="@mipmap/ic_launcher" />
+    </item>
 </layer-list>

app/watt_wizard/android/app/src/main/res/drawable/launch_background.xml

@@ -4,9 +4,9 @@
     <item android:drawable="@android:color/white" />
 
     <!-- You can insert your own image assets here -->
-    <!-- <item>
+    <item>
         <bitmap
             android:gravity="center"
-            android:src="@mipmap/launch_image" />
-    </item> -->
+            android:src="@mipmap/ic_launcher" />
+    </item>
 </layer-list>

app/watt_wizard/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+  <background android:drawable="@mipmap/ic_launcher_adaptive_back"/>
+  <foreground android:drawable="@mipmap/ic_launcher_adaptive_fore"/>
+</adaptive-icon>

app/watt_wizard/ios/Podfile.lock

@@ -26,6 +26,8 @@ PODS:
   - FirebaseCoreInternal (10.16.0):
     - "GoogleUtilities/NSData+zlib (~> 7.8)"
   - Flutter (1.0.0)
+  - flutter_blue_plus (0.0.1):
+    - Flutter
   - GoogleUtilities/AppDelegateSwizzler (7.11.5):
     - GoogleUtilities/Environment
     - GoogleUtilities/Logger
@@ -49,6 +51,7 @@ DEPENDENCIES:
   - firebase_auth (from `.symlinks/plugins/firebase_auth/ios`)
   - firebase_core (from `.symlinks/plugins/firebase_core/ios`)
   - Flutter (from `Flutter`)
+  - flutter_blue_plus (from `.symlinks/plugins/flutter_blue_plus/ios`)
 
 SPEC REPOS:
   trunk:
@@ -69,6 +72,8 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/firebase_core/ios"
   Flutter:
     :path: Flutter
+  flutter_blue_plus:
+    :path: ".symlinks/plugins/flutter_blue_plus/ios"
 
 SPEC CHECKSUMS:
   Firebase: 66043bd4579e5b73811f96829c694c7af8d67435
@@ -79,6 +84,7 @@ SPEC CHECKSUMS:
   FirebaseCore: 2cec518b43635f96afe7ac3a9c513e47558abd2e
   FirebaseCoreInternal: 26233f705cc4531236818a07ac84d20c333e505a
   Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
+  flutter_blue_plus: 4837da7d00cf5d441fdd6635b3a57f936778ea96
   GoogleUtilities: 13e2c67ede716b8741c7989e26893d151b2b2084
   GTMSessionFetcher: e8647203b65cee28c5f73d0f473d096653945e72
   PromisesObjC: c50d2056b5253dadbd6c2bea79b0674bd5a52fa4

app/watt_wizard/ios/Runner/Info.plist

@@ -22,6 +22,16 @@
 	<string>$(FLUTTER_BUILD_NAME)</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
+	<key>NSBluetoothAlwaysUsageDescription</key>
+	<string>Need BLE permission</string>
+	<key>NSBluetoothPeripheralUsageDescription</key>
+	<string>Need BLE permission</string>
+	<key>NSLocationAlwaysAndWhenInUseUsageDescription</key>
+	<string>Need Location permission</string>
+	<key>NSLocationAlwaysUsageDescription</key>
+	<string>Need Location permission</string>
+	<key>NSLocationWhenInUseUsageDescription</key>
+	<string>Need Location permission</string>
 	<key>CFBundleURLTypes</key>
 	<array>
 		<dict>

app/watt_wizard/lib/homescreen.dart

@@ -1,5 +1,10 @@
+import 'dart:async';
+import 'dart:io';
+
 import 'package:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_blue_plus/flutter_blue_plus.dart';
+import 'package:watt_wizard/profile.dart';
 
 class HomeScreen extends StatefulWidget {
   const HomeScreen({super.key});
@@ -10,6 +15,9 @@ class HomeScreen extends StatefulWidget {
 
 class _HomeScreenState extends State<HomeScreen> {
   late User user;
+  BluetoothAdapterState _adapterState = BluetoothAdapterState.unknown;
+  late StreamSubscription<BluetoothAdapterState> _adapterStateStateSubscription;
+
   @override
   void initState() {
     user = FirebaseAuth.instance.currentUser!;
@@ -20,11 +28,23 @@ class _HomeScreenState extends State<HomeScreen> {
           user = event;
         });
       }
+
+      _adapterStateStateSubscription =
+          FlutterBluePlus.adapterState.listen((state) {
+        _adapterState = state;
+        setState(() {});
+      });
     });
 
     super.initState();
   }
 
+  @override
+  void dispose() {
+    _adapterStateStateSubscription.cancel();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -39,8 +59,17 @@ class _HomeScreenState extends State<HomeScreen> {
                 },
         ),
         title: const Text("Home Screen"),
-        actions: const <Widget>[
-          IconButton(onPressed: null, icon: Icon(Icons.account_circle)),
+        actions: <Widget>[
+          IconButton(
+              onPressed: () {
+                Navigator.push(
+                  context,
+                  MaterialPageRoute(
+                      builder: (context) =>
+                          ProfileScreen(username: user.displayName!)),
+                );
+              },
+              icon: const Icon(Icons.account_circle)),
         ],
       ),
       body: Center(
@@ -50,6 +79,16 @@ class _HomeScreenState extends State<HomeScreen> {
           Text(
             "Welcome ${user.displayName}",
           ),
+          _adapterState == BluetoothAdapterState.on
+              ? const Spacer()
+              : FilledButton(
+                  onPressed: () async {
+                    if (Platform.isAndroid) {
+                      await FlutterBluePlus.turnOn();
+                    } else {}
+                  },
+                  child: const Text("Turn Bluetooth On"),
+                )
         ],
       )),
     );

app/watt_wizard/lib/main.dart

@@ -16,6 +16,10 @@ class MyApp extends StatelessWidget {
   // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
+    // if (Platform.isAndroid) {
+    //   await FlutterBluePlus.turnOn();
+    // }
+
     return MaterialApp(
       title: 'Watt Wizard',
       theme: ThemeData(
@@ -29,14 +33,13 @@ class MyApp extends StatelessWidget {
 
 Widget _landingPage() {
   return StreamBuilder<User?>(
-    stream: FirebaseAuth.instance.authStateChanges(), 
-    builder: (BuildContext context, snapshot) {
-      if(snapshot.hasData) {
-        return const HomeScreen();
-      }
-      return const MyHomePage(title: 'Sign in to Watt Wizard');
-    }
-  );
+      stream: FirebaseAuth.instance.authStateChanges(),
+      builder: (BuildContext context, snapshot) {
+        if (snapshot.hasData) {
+          return const HomeScreen();
+        }
+        return const MyHomePage(title: 'Sign in to Watt Wizard');
+      });
 }
 
 class MyHomePage extends StatelessWidget {