Update code for beacon (tour list -> visit)

2023-02-09 21:48:36 +01:00 · 2023-02-09 21:48:36 +01:00 · d78372e728
commit d78372e728
parent 3815a521fa
7 changed files with 358 additions and 347 deletions
--- a/lib/Components/CustomAppBar.dart
+++ b/lib/Components/CustomAppBar.dart
@ -1,5 +1,7 @@
 import 'package:flutter/material.dart';
+import 'package:get/get.dart';
 import 'package:mymuseum_visitapp/Components/LanguageSelection.dart';
+import 'package:mymuseum_visitapp/Helpers/requirement_state_controller.dart';
 import 'package:mymuseum_visitapp/Models/visitContext.dart';
 import 'package:mymuseum_visitapp/Screens/Home/home.dart';
 import 'package:mymuseum_visitapp/app_context.dart';
@ -19,7 +21,8 @@ class CustomAppBar extends StatefulWidget implements PreferredSizeWidget {
  Size get preferredSize => Size.fromHeight(_preferredHeight);
 }

-class _CustomAppBarState extends State<CustomAppBar> {
+class _CustomAppBarState extends State<CustomAppBar> with WidgetsBindingObserver {
+  final controller = Get.find<RequirementStateController>();

  @override
  Widget build(BuildContext context) {
@ -36,6 +39,12 @@ class _CustomAppBarState extends State<CustomAppBar> {
            setState(() {
              VisitAppContext visitAppContext = appContext.getContext();
              visitAppContext.configuration = null;
+              visitAppContext.isBeaconEnabled = false;
+
+              // TODO ADD CHECK IF RUNNING
+              print("PAUSE SCAAAAN");
+              controller.pauseScanning();
+
              Navigator.of(context).pop();
              /*Navigator.of(context).pushReplacement(MaterialPageRoute(
                builder: (context) => const HomePage(),
--- a/lib/Components/ScannerBouton.dart
+++ b/lib/Components/ScannerBouton.dart
@ -28,6 +28,7 @@ class _ScannerBoutonState extends State<ScannerBouton> {
      width: 85.0,
      child: FittedBox(
        child: FloatingActionButton(
+          heroTag: "scanner",
          onPressed: _onItemTapped,
          tooltip: 'Scanner',
          backgroundColor: kBlue1,
--- a/lib/Models/beaconSection.dart
+++ b/lib/Models/beaconSection.dart
@ -2,17 +2,19 @@ import 'package:manager_api/api.dart';

 class BeaconSection {
  String? macAddress;
+  String? configurationId;
  String? sectionId;
  int? rssi;
  int? accuracy;
  String? proximityUUID;
  bool? found = false;

-  BeaconSection({this.macAddress, this.sectionId, this.rssi, this.accuracy, this.proximityUUID, this.found});
+  BeaconSection({this.macAddress, this.configurationId, this.sectionId, this.rssi, this.accuracy, this.proximityUUID, this.found});

  Map<String, dynamic> toMap() {
    return {
      'macAddress': macAddress,
+      'configurationId': configurationId,
      'sectionId': sectionId,
      'rssi': rssi,
      'accuracy': accuracy,
@ -24,6 +26,7 @@ class BeaconSection {
  factory BeaconSection.fromJson(Map<String, dynamic> json) {
    return BeaconSection(
        macAddress: json['macAddress'] as String,
+        configurationId: json['configurationId'] as String,
        sectionId: json['sectionId'] as String,
        rssi: json['rssi'] as int,
        accuracy: json['accuracy'] as int,
@ -34,6 +37,6 @@ class BeaconSection {

  @override
  String toString() {
-    return 'BeaconSection{macAddress: $macAddress, sectionId: $sectionId, rssi: $rssi, accuracy: $accuracy, proximityUUID: $proximityUUID, found: $found}';
+    return 'BeaconSection{macAddress: $macAddress, sectionId: $sectionId, configurationId: $configurationId, rssi: $rssi, accuracy: $accuracy, proximityUUID: $proximityUUID, found: $found}';
  }
 }
--- a/lib/Models/visitContext.dart
+++ b/lib/Models/visitContext.dart
@ -10,6 +10,7 @@ class VisitAppContext with ChangeNotifier{
  ConfigurationDTO? configuration;
  List<String?>? sectionIds; // Use to valid QR code found
  List<BeaconSection?>? beaconSections;
+  bool isBeaconEnabled = false;

  VisitAppContext({this.language, this.id, this.configuration, this.instanceId});

--- a/lib/Screens/Home/configurations_list.dart
+++ b/lib/Screens/Home/configurations_list.dart
@ -8,7 +8,6 @@ import 'package:mymuseum_visitapp/Components/Loading.dart';
 import 'package:mymuseum_visitapp/Components/SearchBox.dart';
 import 'package:mymuseum_visitapp/Components/SearchNumberBox.dart';
 import 'package:mymuseum_visitapp/Helpers/DatabaseHelper.dart';
-import 'package:mymuseum_visitapp/Helpers/requirement_state_controller.dart';
 import 'package:mymuseum_visitapp/Helpers/translationHelper.dart';
 import 'package:mymuseum_visitapp/Models/visitContext.dart';
 import 'package:mymuseum_visitapp/Screens/Article/article.dart';
@ -31,8 +30,7 @@ class ConfigurationsList extends StatefulWidget {
  State<ConfigurationsList> createState() => _ConfigurationsListState();
 }

-class _ConfigurationsListState extends State<ConfigurationsList> with WidgetsBindingObserver {
-  final controller = Get.find<RequirementStateController>();
+class _ConfigurationsListState extends State<ConfigurationsList> {
  List<ConfigurationDTO> configurations = [];
  List<String?> alreadyDownloaded = [];
  VisitAppContext? visitAppContext;
@ -69,9 +67,6 @@ class _ConfigurationsListState extends State<ConfigurationsList> with WidgetsBin
                  visitAppContext.sectionIds = List<SectionDTO>.from(await DatabaseHelper.instance.queryWithConfigurationId(DatabaseTableType.sections, visitAppContext.configuration!.id!)).map((e) => e.id).toList();
                  appContext.setContext(visitAppContext);

-                  print("PAUSE SCANNN");
-                  controller.pauseScanning();
-
                  Navigator.push(
                    context,
                    MaterialPageRoute(
@ -98,9 +93,6 @@ class _ConfigurationsListState extends State<ConfigurationsList> with WidgetsBin
                    visitAppContext.sectionIds = sections.map((e) => e.id).toList();
                  }

-                  print("PAUSE SCANNN");
-                  controller.pauseScanning();
-
                  Navigator.push(
                    context,
                    MaterialPageRoute(
@ -132,14 +124,14 @@ class _ConfigurationsListState extends State<ConfigurationsList> with WidgetsBin
                              future: ApiService.getResource(appContext, configurations[index].imageId!),
                              builder: (context, AsyncSnapshot<dynamic> snapshot) {
                                if (snapshot.connectionState == ConnectionState.done) {
-                                  return snapshot.data != null ? Container(
-                                    child: ClipRRect(
+                                  print("RESULLT DATA");
+                                  print(snapshot.data);
+                                  return snapshot.data != null ? ClipRRect(
                                    borderRadius: const BorderRadius.only(topLeft: Radius.circular(20), bottomLeft: Radius.circular(20)),
-                                      child: Image.memory(
+                                    child: snapshot.data.data != null ? Image.memory(
                                        base64Decode(snapshot.data.data!),
                                        fit: BoxFit.cover
-                                      ),
-                                    ),
+                                    ) : null,
                                  ) : const Text("");
                                } else if (snapshot.connectionState == ConnectionState.none) {
                                  return Text(TranslationHelper.getFromLocale("noData", appContext));
--- a/lib/Screens/Home/home.dart
+++ b/lib/Screens/Home/home.dart
@ -4,8 +4,6 @@ import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:auto_size_text/auto_size_text.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter_beacon/flutter_beacon.dart';
-import 'package:get/get.dart';
 import 'package:manager_api/api.dart';
 import 'package:mymuseum_visitapp/Components/CustomAppBar.dart';
 import 'package:mymuseum_visitapp/Components/Loading.dart';
@ -21,7 +19,6 @@ import 'package:mymuseum_visitapp/Services/downloadConfiguration.dart';
 import 'package:mymuseum_visitapp/app_context.dart';
 import 'package:mymuseum_visitapp/client.dart';
 import 'package:mymuseum_visitapp/constants.dart';
-import 'package:permission_handler/permission_handler.dart';
 import 'package:provider/provider.dart';

 import 'configurations_list.dart';
@ -34,279 +31,23 @@ class HomePage extends StatefulWidget {
 }

 class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
-  final controller = Get.find<RequirementStateController>();
-  StreamSubscription<BluetoothState>? _streamBluetooth;
  int currentIndex = 0;

  List<ConfigurationDTO> configurations = [];
  List<String?> alreadyDownloaded = [];
  VisitAppContext? visitAppContext;

-  StreamSubscription<RangingResult>? _streamRanging;
-  final _regionBeacons = <Region, List<Beacon>>{};
-  final _beacons = <Beacon>[];
-  //final controller = Get.find<RequirementStateController>();
-
-  @override
-  void initState() {
-    WidgetsBinding.instance.addObserver(this);
-
-    super.initState();
-
-    listeningState();
-  }
-
-  listeningState() async {
-    print('Listening to bluetooth state');
-    _streamBluetooth = flutterBeacon
-        .bluetoothStateChanged()
-        .listen((BluetoothState state) async {
-      controller.updateBluetoothState(state);
-      await checkAllRequirements();
-    });
-  }
-
-  checkAllRequirements() async {
-    final bluetoothState = await flutterBeacon.bluetoothState;
-    controller.updateBluetoothState(bluetoothState);
-    print('BLUETOOTH $bluetoothState');
-
-    final authorizationStatus = await flutterBeacon.authorizationStatus;
-    controller.updateAuthorizationStatus(authorizationStatus);
-    print('AUTHORIZATION $authorizationStatus');
-
-    final locationServiceEnabled =
-    await flutterBeacon.checkLocationServicesIfEnabled;
-    controller.updateLocationService(locationServiceEnabled);
-    print('LOCATION SERVICE $locationServiceEnabled');
-
-    if (controller.bluetoothEnabled &&
-        controller.authorizationStatusOk &&
-        controller.locationServiceEnabled) {
-      print('STATE READY');
-      //if (currentIndex == 0) {
-        print('SCANNING');
-        //controller.startScanning();
-
-
-        var status = await Permission.bluetoothScan.status;
-
-        if (status.isDenied) {
-          print("IS DENIIIED");
-          // We didn't ask for permission yet or the permission has been denied before but not permanently.
-        }
-
-        // You can request multiple permissions at once.
-        Map<Permission, PermissionStatus> statuses = await [
-          Permission.bluetoothScan,
-          Permission.bluetoothConnect,
-        ].request();
-        print(statuses[Permission.bluetoothScan]);
-        print(statuses[Permission.bluetoothConnect]);
-
-        print(status);
-
-        /*controller.startStream.listen((flag) {
-          if (flag == true) {
-            initScanBeacon();
-          }
-        });*/
-      /*} else {
-        print('BROADCASTING');
-        controller.startBroadcasting();
-      }*/
-    } else {
-      print('STATE NOT READY');
-      controller.pauseScanning();
-    }
-  }
-
-  initScanBeacon() async {
-    await flutterBeacon.initializeScanning;
-    if (!controller.authorizationStatusOk ||
-        !controller.locationServiceEnabled ||
-        !controller.bluetoothEnabled) {
-      print(
-          'RETURNED, authorizationStatusOk=${controller.authorizationStatusOk}, '
-              'locationServiceEnabled=${controller.locationServiceEnabled}, '
-              'bluetoothEnabled=${controller.bluetoothEnabled}');
-      return;
-    }
-    final regions = <Region>[
-      Region(
-          identifier: 'MyMuseumB'
-      ),
-    ];
-
-    if (_streamRanging != null) {
-      if (_streamRanging!.isPaused) {
-        _streamRanging?.resume();
-        return;
-      }
-    }
-
-    _streamRanging =
-        flutterBeacon.ranging(regions).listen((RangingResult result) {
-          print(result);
-          if (mounted) {
-
-            print("visitAppContext");
-            print(visitAppContext);
-            print(visitAppContext!.beaconSections);
-            if(result.beacons.isNotEmpty && result.beacons.any((b) => b.proximity == "immediate"  && visitAppContext!.beaconSections!.any((bs) => b.macAddress == bs!.macAddress) )) {
-              print("GOT ONE BEACON THAT I KNOOOOOOOOW");
-              print(result);
-
-              ScaffoldMessenger.of(context).showSnackBar(
-                SnackBar(content: Text("GOT ONE BEACON THAT I KNOOOOOOOOW"), backgroundColor: kBlue2),
-              );
-            }
-            //setState(() {
-              _regionBeacons[result.region] = result.beacons;
-              _beacons.clear();
-              _regionBeacons.values.forEach((list) {
-                _beacons.addAll(list);
-              });
-              _beacons.sort(_compareParameters);
-            //});
-          }
-        });
-  }
-
-  /*pauseScanBeacon() async {
-    _streamRanging?.pause();
-    if (_beacons.isNotEmpty) {
-      setState(() {
-        _beacons.clear();
-      });
-    }
-  }*/
-
-  int _compareParameters(Beacon a, Beacon b) {
-    int compare = a.proximityUUID.compareTo(b.proximityUUID);
-
-    if (compare == 0) {
-      compare = a.major.compareTo(b.major);
-    }
-
-    if (compare == 0) {
-      compare = a.minor.compareTo(b.minor);
-    }
-
-    return compare;
-  }
-
-  @override
-  void didChangeAppLifecycleState(AppLifecycleState state) async {
-    print('AppLifecycleState = $state');
-    if (state == AppLifecycleState.resumed) {
-      if (_streamBluetooth != null) {
-        if (_streamBluetooth!.isPaused) {
-          _streamBluetooth?.resume();
-        }
-      }
-      await checkAllRequirements();
-    } else if (state == AppLifecycleState.paused) {
-      _streamBluetooth?.pause();
-    }
-  }
-
  @override
  Widget build(BuildContext context) {
    Size size = MediaQuery.of(context).size;
    final appContext = Provider.of<AppContext>(context);
    visitAppContext = appContext.getContext();

-    /*if (controller.bluetoothEnabled &&
-        controller.authorizationStatusOk &&
-        controller.locationServiceEnabled) {
-      print("START SCANNING IN BUILD");
-      //controller.startScanning();
-    }*/
    return Scaffold(
      appBar: CustomAppBar(
        title: TranslationHelper.getFromLocale("visitTitle", appContext),
        isHomeButton: false,
      ),
-      /*AppBar(
-        title: const Text('Flutter Beacon'),
-        centerTitle: false,
-        actions: <Widget>[
-          Obx(() {
-            if (!controller.locationServiceEnabled)
-              return IconButton(
-                tooltip: 'Not Determined',
-                icon: Icon(Icons.portable_wifi_off),
-                color: Colors.grey,
-                onPressed: () {},
-              );
-
-            if (!controller.authorizationStatusOk)
-              return IconButton(
-                tooltip: 'Not Authorized',
-                icon: Icon(Icons.portable_wifi_off),
-                color: Colors.red,
-                onPressed: () async {
-                  await flutterBeacon.requestAuthorization;
-                },
-              );
-
-            return IconButton(
-              tooltip: 'Authorized',
-              icon: Icon(Icons.wifi_tethering),
-              color: Colors.blue,
-              onPressed: () async {
-                await flutterBeacon.requestAuthorization;
-              },
-            );
-          }),
-          Obx(() {
-            return IconButton(
-              tooltip: controller.locationServiceEnabled
-                  ? 'Location Service ON'
-                  : 'Location Service OFF',
-              icon: Icon(
-                controller.locationServiceEnabled
-                    ? Icons.location_on
-                    : Icons.location_off,
-              ),
-              color:
-              controller.locationServiceEnabled ? Colors.blue : Colors.red,
-              onPressed: controller.locationServiceEnabled
-                  ? () {}
-                  : handleOpenLocationSettings,
-            );
-          }),
-          Obx(() {
-            final state = controller.bluetoothState.value;
-
-            if (state == BluetoothState.stateOn) {
-              return IconButton(
-                tooltip: 'Bluetooth ON',
-                icon: Icon(Icons.bluetooth_connected),
-                onPressed: () {},
-                color: Colors.lightBlueAccent,
-              );
-            }
-
-            if (state == BluetoothState.stateOff) {
-              return IconButton(
-                tooltip: 'Bluetooth OFF',
-                icon: Icon(Icons.bluetooth),
-                onPressed: handleOpenBluetooth,
-                color: Colors.red,
-              );
-            }
-
-            return IconButton(
-              icon: Icon(Icons.bluetooth_disabled),
-              tooltip: 'Bluetooth State Unknown',
-              onPressed: () {},
-              color: Colors.grey,
-            );
-          }),
-        ],
-      ),*/
      body: SingleChildScrollView(
        child: SizedBox(
          width: size.width,
@ -316,21 +57,6 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
              builder: (context, AsyncSnapshot<dynamic> snapshot) {
                if (snapshot.connectionState == ConnectionState.done) {
                  configurations = List<ConfigurationDTO>.from(snapshot.data).where((configuration) => configuration.isMobile!).toList();
-
-
-                  controller.startStream.listen((flag) async {
-                    print(flag);
-                    if (flag == true) {
-                      print("FIIIIIIREEEE ---------------");
-                      await initScanBeacon();
-                      controller.startScanning();
-                    }
-                  });
-
-
-                  controller.startScanning();
-
-
                  return RefreshIndicator (
                    onRefresh: () {
                      setState(() {});
@ -389,56 +115,6 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
    );
  }

-  handleOpenLocationSettings() async {
-    if (Platform.isAndroid) {
-      await flutterBeacon.openLocationSettings;
-    } else if (Platform.isIOS) {
-      await showDialog(
-        context: context,
-        builder: (context) {
-          return AlertDialog(
-            title: Text('Location Services Off'),
-            content: Text(
-              'Please enable Location Services on Settings > Privacy > Location Services.',
-            ),
-            actions: [
-              TextButton(
-                onPressed: () => Navigator.pop(context),
-                child: Text('OK'),
-              ),
-            ],
-          );
-        },
-      );
-    }
-  }
-
-  handleOpenBluetooth() async {
-    if (Platform.isAndroid) {
-      try {
-        await flutterBeacon.openBluetoothSettings;
-      } on PlatformException catch (e) {
-        print(e);
-      }
-    } else if (Platform.isIOS) {
-      await showDialog(
-        context: context,
-        builder: (context) {
-          return AlertDialog(
-            title: Text('Bluetooth is Off'),
-            content: Text('Please enable Bluetooth on Settings > Bluetooth.'),
-            actions: [
-              TextButton(
-                onPressed: () => Navigator.pop(context),
-                child: Text('OK'),
-              ),
-            ],
-          );
-        },
-      );
-    }
-  }
-
  Future<List<ConfigurationDTO>?> getConfigurationsCall(Client client, AppContext appContext) async {
    bool isOnline = await hasNetwork();
    VisitAppContext visitAppContext = appContext.getContext();
@ -460,7 +136,7 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
    if(visitAppContext.beaconSections == null) {
      List<SectionDTO>? sections = await ApiService.getAllBeacons(client, visitAppContext.instanceId!);
      if(sections != null && sections.isNotEmpty) {
-        List<BeaconSection> beaconSections = sections.map((e) => BeaconSection(macAddress: e.beaconId, sectionId: e.id)).toList();
+        List<BeaconSection> beaconSections = sections.map((e) => BeaconSection(macAddress: e.beaconId, configurationId: e.configurationId, sectionId: e.id)).toList();
        visitAppContext.beaconSections = beaconSections;
        print("Got some Beacons for you");
        print(beaconSections);
--- a/lib/Screens/Visit/visit.dart
+++ b/lib/Screens/Visit/visit.dart
@ -1,11 +1,19 @@
+import 'dart:async';
+import 'dart:io';
+
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_beacon/flutter_beacon.dart';
+import 'package:get/get.dart';
 import 'package:manager_api/api.dart';
 import 'package:mymuseum_visitapp/Components/CustomAppBar.dart';
 import 'package:mymuseum_visitapp/Components/ScannerBouton.dart';
+import 'package:mymuseum_visitapp/Helpers/requirement_state_controller.dart';
 import 'package:mymuseum_visitapp/Helpers/translationHelper.dart';
 import 'package:mymuseum_visitapp/Models/visitContext.dart';
 import 'package:mymuseum_visitapp/app_context.dart';
 import 'package:mymuseum_visitapp/constants.dart';
+import 'package:permission_handler/permission_handler.dart';
 import 'package:provider/provider.dart';

 import 'components/body.dart';
@ -19,9 +27,196 @@ class VisitPage extends StatefulWidget {
  State<VisitPage> createState() => _VisitPageState();
 }

-class _VisitPageState extends State<VisitPage> {
+class _VisitPageState extends State<VisitPage> with WidgetsBindingObserver {
  ConfigurationDTO? configuration;

+  // Beacon specific
+  final controller = Get.find<RequirementStateController>();
+  StreamSubscription<BluetoothState>? _streamBluetooth;
+  StreamSubscription<RangingResult>? _streamRanging;
+  final _regionBeacons = <Region, List<Beacon>>{};
+  final _beacons = <Beacon>[];
+  StreamSubscription? listener;
+
+  @override
+  void initState() {
+    WidgetsBinding.instance.addObserver(this);
+
+    super.initState();
+
+    listeningState();
+  }
+
+  listeningState() async {
+    print('Listening to bluetooth state');
+    _streamBluetooth = flutterBeacon
+        .bluetoothStateChanged()
+        .listen((BluetoothState state) async {
+      controller.updateBluetoothState(state);
+      await checkAllRequirements();
+    });
+  }
+
+  checkAllRequirements() async {
+    final bluetoothState = await flutterBeacon.bluetoothState;
+    controller.updateBluetoothState(bluetoothState);
+    print('BLUETOOTH $bluetoothState');
+
+    final authorizationStatus = await flutterBeacon.authorizationStatus;
+    controller.updateAuthorizationStatus(authorizationStatus);
+    print('AUTHORIZATION $authorizationStatus');
+
+    final locationServiceEnabled =
+    await flutterBeacon.checkLocationServicesIfEnabled;
+    controller.updateLocationService(locationServiceEnabled);
+    print('LOCATION SERVICE $locationServiceEnabled');
+
+    if (controller.bluetoothEnabled &&
+        controller.authorizationStatusOk &&
+        controller.locationServiceEnabled) {
+      print('STATE READY');
+      //if (currentIndex == 0) {
+      print('SCANNING');
+      //controller.startScanning();
+
+
+      var status = await Permission.bluetoothScan.status;
+
+      if (status.isDenied) {
+        print("IS DENIIIED");
+        // We didn't ask for permission yet or the permission has been denied before but not permanently.
+      }
+
+      // You can request multiple permissions at once.
+      Map<Permission, PermissionStatus> statuses = await [
+        Permission.bluetoothScan,
+        Permission.bluetoothConnect,
+      ].request();
+      print(statuses[Permission.bluetoothScan]);
+      print(statuses[Permission.bluetoothConnect]);
+
+      print(status);
+
+      /*controller.startStream.listen((flag) {
+          if (flag == true) {
+            initScanBeacon();
+          }
+        });*/
+      /*} else {
+        print('BROADCASTING');
+        controller.startBroadcasting();
+      }*/
+    } else {
+      print('STATE NOT READY');
+      controller.pauseScanning();
+    }
+  }
+
+  initScanBeacon(VisitAppContext visitAppContext) async {
+    await flutterBeacon.initializeScanning;
+    if (!controller.authorizationStatusOk ||
+        !controller.locationServiceEnabled ||
+        !controller.bluetoothEnabled) {
+      print(
+          'RETURNED, authorizationStatusOk=${controller.authorizationStatusOk}, '
+              'locationServiceEnabled=${controller.locationServiceEnabled}, '
+              'bluetoothEnabled=${controller.bluetoothEnabled}');
+      return;
+    }
+    final regions = <Region>[
+      Region(
+          identifier: 'MyMuseumB'
+      ),
+    ];
+
+    if (_streamRanging != null) {
+      if (_streamRanging!.isPaused) {
+        _streamRanging?.resume();
+        return;
+      }
+    }
+
+    _streamRanging =
+        flutterBeacon.ranging(regions).listen((RangingResult result) {
+          //print(result);
+          if (mounted) {
+
+            //print("visitAppContext");
+            //print(visitAppContext);
+            //print(visitAppContext!.beaconSections);
+
+            if(result.beacons.isNotEmpty) {
+              print(result);
+              print(result.beacons.map((b) => b.macAddress));
+              print(visitAppContext.beaconSections!.map((bb) => bb!.macAddress));
+
+              var beaconList = visitAppContext.beaconSections!.where((bs) => result.beacons.any((element) => element.macAddress == bs!.macAddress));
+              if(beaconList.isNotEmpty)
+              {
+                print("GOT ONE BEACON THAT I KNOOOOOOOOW");
+                print(beaconList);
+
+                // TODO SORT BY COMPARE
+
+                print("BEFORE SNACKBAR");
+                ScaffoldMessenger.of(context).showSnackBar(
+                  SnackBar(content: Text('BEACON - ${result.beacons.first.macAddress} - ${result.beacons.first.accuracy} - ${result.beacons.first.proximity.name}'), backgroundColor: kBlue2),
+                );
+
+                print("AFTER SNACKBAR");
+              }
+            }
+
+            //setState(() {
+            /*_regionBeacons[result.region] = result.beacons;
+            _beacons.clear();
+            _regionBeacons.values.forEach((list) {
+              _beacons.addAll(list);
+            });
+            _beacons.sort(_compareParameters);*/
+            //});
+          }
+        });
+  }
+
+  /*pauseScanBeacon() async {
+    _streamRanging?.pause();
+    if (_beacons.isNotEmpty) {
+      setState(() {
+        _beacons.clear();
+      });
+    }
+  }*/
+
+  int _compareParameters(Beacon a, Beacon b) {
+    int compare = a.proximityUUID.compareTo(b.proximityUUID);
+
+    if (compare == 0) {
+      compare = a.major.compareTo(b.major);
+    }
+
+    if (compare == 0) {
+      compare = a.minor.compareTo(b.minor);
+    }
+
+    return compare;
+  }
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) async {
+    print('AppLifecycleState = $state');
+    if (state == AppLifecycleState.resumed) {
+      if (_streamBluetooth != null) {
+        if (_streamBluetooth!.isPaused) {
+          _streamBluetooth?.resume();
+        }
+      }
+      await checkAllRequirements();
+    } else if (state == AppLifecycleState.paused) {
+      _streamBluetooth?.pause();
+    }
+  }
+
  @override
  /*Widget build(BuildContext context) {
    return new WillPopScope(
@ -37,11 +232,30 @@ class _VisitPageState extends State<VisitPage> {
      ),
    );
  }*/
+
+  @override
+  void onDispose() {
+    print("DISPOSE VISIT PAGE");
+
+    super.dispose();
+  }
+
  Widget build(BuildContext context) {
    final appContext = Provider.of<AppContext>(context);
    VisitAppContext visitAppContext = appContext.getContext();
    configuration = visitAppContext.configuration;

+    //if(visitAppContext.isBeaconEnabled) {
+      listener = controller.startStream.listen((flag) async {
+        print(flag);
+        if (flag == true) {
+          print("FIIIIIIREEEE ---------------");
+          await initScanBeacon(visitAppContext);
+          controller.startScanning();
+        }
+      });
+    //}
+
    return /*WillPopScope(
      child:*/ Scaffold(
        appBar: CustomAppBar(
@ -50,9 +264,124 @@ class _VisitPageState extends State<VisitPage> {
        ),
        backgroundColor: kBackgroundGrey,
        body: Body(configurationId: configuration!.id), // TODO handle error..
-        floatingActionButton: ScannerBouton(appContext: appContext),
+        floatingActionButton: Stack(
+          children: [
+            visitAppContext.beaconSections!.where((bs) => bs!.configurationId == visitAppContext.configuration!.id).isNotEmpty ? Align(
+              alignment: Alignment.bottomRight,
+              child: Padding(
+                padding: const EdgeInsets.only(right: 90, bottom: 1),
+                child: Container(
+                  height: 65.0,
+                  width: 65.0,
+                  child: FittedBox(
+                    child: FloatingActionButton(
+                      heroTag: "beacon",
+                      onPressed: () {
+                        if(!visitAppContext.isBeaconEnabled) {
+                          print("Start Scan");
+                          controller.startScanning();
+                          listener!.resume();
+
+                          visitAppContext.isBeaconEnabled = true;
+                          appContext.setContext(visitAppContext);
+                        } else {
+                          print("Pause Scan");
+                          controller.pauseScanning(); // PAUSE OR DISPOSE ?
+                          //controller.dispose(); // PAUSE OR DISPOSE ?
+                          print(controller.pauseStream);
+                          listener!.cancel();
+                          listener!.pause();
+                          //controller.removeListenerId(listener.i, () { });
+                          visitAppContext.isBeaconEnabled = false;
+                          appContext.setContext(visitAppContext);
+                        }
+                      },
+                      tooltip: 'Beacon',
+                      backgroundColor: visitAppContext.isBeaconEnabled ? kBlue1 : Colors.grey,
+                      child: const Icon(Icons.my_location),
+                    ),
+                  ),
+                ),
+              ),
+            ) : const SizedBox(),
+            Align(
+              alignment: Alignment.bottomRight,
+              child: ScannerBouton(appContext: appContext),
+            ),
+          ],
+        ),/*Padding(
+          padding: const EdgeInsets.only(right: 10),
+          child: Row(
+            children: [
+              Container(
+                height: 65.0,
+                width: 65.0,
+                child: FittedBox(
+                  child: FloatingActionButton(
+                    heroTag: "beacon",
+                    onPressed: () {},
+                    tooltip: 'Beacon',
+                    backgroundColor: kBlue1,
+                    child: const Icon(Icons.qr_code_scanner),
+                  ),
+                ),
+              ),
+              ScannerBouton(appContext: appContext),
+            ],
+          ),
+        ),*/
      );//,
      //onWillPop: () async => false,
    //);
  }
+
+  handleOpenLocationSettings() async {
+    if (Platform.isAndroid) {
+      await flutterBeacon.openLocationSettings;
+    } else if (Platform.isIOS) {
+      await showDialog(
+        context: context,
+        builder: (context) {
+          return AlertDialog(
+            title: Text('Location Services Off'),
+            content: Text(
+              'Please enable Location Services on Settings > Privacy > Location Services.',
+            ),
+            actions: [
+              TextButton(
+                onPressed: () => Navigator.pop(context),
+                child: Text('OK'),
+              ),
+            ],
+          );
+        },
+      );
+    }
+  }
+
+  handleOpenBluetooth() async {
+    if (Platform.isAndroid) {
+      try {
+        await flutterBeacon.openBluetoothSettings;
+      } on PlatformException catch (e) {
+        print(e);
+      }
+    } else if (Platform.isIOS) {
+      await showDialog(
+        context: context,
+        builder: (context) {
+          return AlertDialog(
+            title: Text('Bluetooth is Off'),
+            content: Text('Please enable Bluetooth on Settings > Bluetooth.'),
+            actions: [
+              TextButton(
+                onPressed: () => Navigator.pop(context),
+                child: Text('OK'),
+              ),
+            ],
+          );
+        },
+      );
+    }
+  }
 }