Trying to get a Dialog with All options going, Dialog should include frequent selections

.flutter-plugins-dependencies

-{"_info":"// This is a generated file; do not edit or check into version control.","dependencyGraph":[{"name":"battery","dependencies":[]},{"name":"geolocator","dependencies":["google_api_availability","location_permissions"]},{"name":"google_api_availability","dependencies":[]},{"name":"location_permissions","dependencies":[]},{"name":"path_provider","dependencies":[]},{"name":"permission_handler","dependencies":[]},{"name":"plugin_scaffold","dependencies":[]},{"name":"rx_ble","dependencies":["plugin_scaffold"]},{"name":"sqflite","dependencies":[]}]}
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"geolocator","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\geolocator-5.2.1\\\\","dependencies":["google_api_availability","location_permissions"]},{"name":"google_api_availability","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\google_api_availability-2.0.2\\\\","dependencies":[]},{"name":"location_permissions","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\location_permissions-2.0.4+1\\\\","dependencies":[]},{"name":"path_provider","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\path_provider-1.6.0\\\\","dependencies":[]},{"name":"permission_handler","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\permission_handler-4.2.0+hotfix.3\\\\","dependencies":[]},{"name":"plugin_scaffold","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\plugin_scaffold-1.2.0\\\\","dependencies":[]},{"name":"rx_ble","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\rx_ble-0.6.1\\\\","dependencies":["plugin_scaffold"]},{"name":"sqflite","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\sqflite-1.2.0\\\\","dependencies":[]}],"android":[{"name":"geolocator","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\geolocator-5.2.1\\\\","dependencies":["google_api_availability","location_permissions"]},{"name":"google_api_availability","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\google_api_availability-2.0.2\\\\","dependencies":[]},{"name":"location_permissions","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\location_permissions-2.0.4+1\\\\","dependencies":[]},{"name":"path_provider","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\path_provider-1.6.0\\\\","dependencies":[]},{"name":"permission_handler","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\permission_handler-4.2.0+hotfix.3\\\\","dependencies":[]},{"name":"plugin_scaffold","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\plugin_scaffold-1.2.0\\\\","dependencies":[]},{"name":"rx_ble","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\rx_ble-0.6.1\\\\","dependencies":["plugin_scaffold"]},{"name":"sqflite","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\sqflite-1.2.0\\\\","dependencies":[]}],"macos":[{"name":"sqflite","path":"C:\\\\src\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\sqflite-1.2.0\\\\","dependencies":[]}],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"geolocator","dependencies":["google_api_availability","location_permissions"]},{"name":"google_api_availability","dependencies":[]},{"name":"location_permissions","dependencies":[]},{"name":"path_provider","dependencies":[]},{"name":"permission_handler","dependencies":[]},{"name":"plugin_scaffold","dependencies":[]},{"name":"rx_ble","dependencies":["plugin_scaffold"]},{"name":"sqflite","dependencies":[]}],"date_created":"2020-02-11 17:16:22.831677","version":"1.14.7-pre.83"}
\ No newline at end of file

THOUGHTS.md

@@ -6,13 +6,15 @@ The idea for BLE is to use Platform specific code, ie `Platform channels`...
 
 | Platform Specific        | Cross OS                 |
 | ------------------------ | ------------------------:|
-| Bluetooth Read           | Scan named MAC addresses |
-| Stay Alive               | Write to File            |
-|                          |                          |
+| Stay Alive               | Scan environment         |
+|                          | Scan named MAC addresses |
+|                          | Write to File            |
 | Get Battery level ✅    |                          |
 
 Testing procedure for background will include the backup system as well (ie. writing to files).
 
+### [0.0.2] Android
+
 `BatteryService`, `BTLEHandler`, `WebsocketHandler` and the likes should be `Singletons`, to reduce load on the platform.
 
 Also, `BTLEHandler` needs to follow an inverse paradigm to `BatteryService`, ie. it shouldn't request updates but listen to them.
@@ -27,7 +29,17 @@ Thought of firmware implementation for obfuscation / integrity verification. See
 
 Other option for making the service run in background: make the platform side tick once per second and notify the dart framework, may need to use a sticky notification as well.
 
-### Resources
+Notification turned out to be unnecessary, oops.
+
+___
+
+### [0.0.2] iOS
+
+This is a tricky one.
+
+Sadly, because Apple doesn't care about it's users, we will only be able to support devices running `iOS >= 7.X` (100% of iPad 1, 1.5% of iPad 2, 100% of iPhone 3GS, 8.3% of iPhone 4 and 100% of iPod Touch 4 ~= 0.1% of the ecosystem, allegedly, although the iPhone 4 is barely 7 years old).
+
+### [0.0.2] Resources
 
 - [Permissions aaS](https://www.filledstacks.com/snippet/request-permissions-in-flutter-as-a-service/)
 - [Toasts](https://www.filledstacks.com/snippet/easy-toasts-with-ok-toast/)
@@ -56,7 +68,7 @@ Useful to implement at the beginning because otherwise refactoring becomes painf
 
 Based on the intl package, and uses it's generators to convert the `.arb` files (text, description, etc. in JSON format) to `.dart` files, of which only one is loaded at launch (also possible to force reload on language switch).
 
-### Resources
+### [0.0.1] Resources
 
 - [Intl package documentation](https://pub.dev/packages/intl) \[[Code](https://github.com/dart-lang/intl)\]
 - [Intl extensibility documentation](https://github.com/flutter/website/blob/master/examples/internationalization/add_language/lib/main.dart)

lib/main.dart

+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:device_preview/device_preview.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
@@ -10,9 +11,9 @@ import 'package:logair_application/routes/home.dart';
 // TODO USED FOR DEBUGGING
 final bool displayMode = false;
 
-void main() => runApp(displayMode ? DevicePreview(child: MyApp()) : MyApp());
+void main() => runApp(displayMode ? DevicePreview(child: LogAirApplication()) : LogAirApplication());
 
-class MyApp extends StatelessWidget {
+class LogAirApplication extends StatelessWidget {
   static const String _title = 'LogAir Connector';
 
   // This widget is the root of your application.
@@ -20,8 +21,6 @@ class MyApp extends StatelessWidget {
   Widget build(BuildContext context) {
     BTLEHandler();
 
-
-
     return MaterialApp(
       localizationsDelegates: [
         const InternalLocalizationDelegate(),

lib/platform/bluetooth_le_service.dart

-import 'package:flutter/services.dart';
-import 'package:logair_application/enums/platform_channels.dart';
+import 'dart:async';
+import 'package:logair_application/platform/wake_service.dart';
 
 class BTLEHandler {
-    // TODO Tick once per second as well
+  static final BTLEHandler _singleton = new BTLEHandler._internal();
+  static bool started = false;
+
+  static Duration duration = new Duration(seconds: 1);
+  Timer t;
+
+  factory BTLEHandler() => _singleton;
+
+  BTLEHandler._internal();
+ 
+  bool switchState() {
+    if (started)
+      _end();
+    else
+      _start();
+  
+    return started;
+  }
+
+  void _start() {
+    WakeService().modifyWakeService(true).then((value) => print('Device will stay awake $value'));
+    started = true;
+    t = new Timer.periodic(duration, (Timer t) => print("${new DateTime.now()}"));
+  }
+
+  void _end() {
+    WakeService().modifyWakeService(false).then((value) => print('Device will stay awake $value'));
+    t.cancel();
+  }
 }
\ No newline at end of file

lib/platform/wake_service.dart

 import 'package:flutter/services.dart';
 import 'package:logair_application/enums/platform_channels.dart';
 
-class WakeService {
+class WakeService { 
   static const MethodChannel methodChannel = const MethodChannel(Channels.WAKE);
+  static final WakeService _singleton = new WakeService._internal();
+  factory WakeService() {
+    return _singleton;
+  }
+
+  WakeService._internal();
 
   Future<bool> modifyWakeService(bool start) async {
     bool wakeServiceStatus;

lib/ui/data_widget.dart

 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
-import 'package:logair_application/platform/wake_service.dart';
+import 'package:logair_application/platform/bluetooth_le_service.dart';
 import 'package:logair_application/ui/carousel_card.dart';
 import 'package:logair_application/platform/battery_service.dart';
+import 'package:logair_application/ui/dialog/bluetooth_selection_dialog.dart';
 
 class DataWidget extends StatelessWidget {
   DataWidget();
@@ -24,21 +25,17 @@ class DataWidget extends StatelessWidget {
           Text("Data", style: TextStyle(fontFamily: "Consolas", fontSize: 22)),
           RaisedButton(
             onPressed: () => {
-              WakeService().modifyWakeService(true).then((value) => print('Device will stay awake $value'))
+              // await BTLEHandler().dialog(ocntext)
+              BTLEHandler().switchState()
             },
-            child: Text(
-              'Start BG Service Ticker',
-              style: TextStyle(fontSize: 20)
-            ),
+            child: Text('Toggle BTLE Service'),
           ),
           RaisedButton(
             onPressed: () => {
-              WakeService().modifyWakeService(false).then((value) => print('Device will stay awake $value'))
+              //showBTElements
+              showBluetoothSelectionDialog(context)
             },
-            child: Text(
-              'End BG Service Ticker',
-              style: TextStyle(fontSize: 20)
-            ),
+            child: Text("BTLE popup")
           )
         ]
       )

lib/ui/dialog/bluetooth_selection_dialog.dart

+import 'package:flutter/material.dart';
+
+showBluetoothSelectionDialog(BuildContext context) {
+  List<String> _frequentDevices = []; // await Devices, filter with cached values 
+
+  showDialog(
+    context: context,
+    builder: (BuildContext context) {
+      return SimpleDialog(
+        children: <Widget>[
+
+        ],
+      );
+    }
+  );
+}
\ No newline at end of file

pubspec.lock

@@ -43,13 +43,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.4.0"
-  battery:
-    dependency: "direct main"
-    description:
-      name: battery
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.3.1+7"
   boolean_selector:
     dependency: transitive
     description:

pubspec.yaml

@@ -19,7 +19,6 @@ dependencies:
   provider: null
   geolocator: ^5.2.1
   flutter_map: ^0.8.2
-  battery: ^0.3.1+7
   rx_ble:
   permission_handler: ^4.2.0+hotfix.3
   get_it: ^3.1.0