diff options
| -rw-r--r-- | lib/esense_input.dart | 83 | ||||
| -rw-r--r-- | lib/level_selection.dart | 83 |
2 files changed, 86 insertions, 80 deletions
diff --git a/lib/esense_input.dart b/lib/esense_input.dart new file mode 100644 index 0000000..705bd5f --- /dev/null +++ b/lib/esense_input.dart @@ -0,0 +1,83 @@ +import 'dart:async'; +import 'dart:io'; + +import 'package:esense_flutter/esense.dart'; +import 'package:flutter/material.dart'; +import 'package:permission_handler/permission_handler.dart'; + +class ESenseInput { + static final instance = ESenseInput._(); + + ESenseManager eSenseManager = ESenseManager('unknown'); + ValueNotifier<String> deviceStatus = ValueNotifier(''); + + String eSenseDeviceName = ''; + bool connected = false; + bool sampling = false; + + ESenseInput._() { + _listenToESense(); + } + + Future<void> _askForPermissions() async { + if (!Platform.isAndroid && !Platform.isIOS) return; + if (!(await Permission.bluetoothScan.request().isGranted && + await Permission.bluetoothConnect.request().isGranted)) { + print( + 'WARNING - no permission to use Bluetooth granted. Cannot access eSense device.'); + } + // for some strange reason, Android requires permission to location for Bluetooth to work.....? + if (Platform.isAndroid) { + if (!(await Permission.locationWhenInUse.request().isGranted)) { + print( + 'WARNING - no permission to access location granted. Cannot access eSense device.'); + } + } + } + + StreamSubscription _listenToESense() { + // if you want to get the connection events when connecting, + // set up the listener BEFORE connecting... + return eSenseManager.connectionEvents.listen((event) { + print('CONNECTION event: $event'); + + // when we're connected to the eSense device, we can start listening to events from it + // if (event.type == ConnectionType.connected) _listenToESenseEvents(); + + connected = false; + switch (event.type) { + case ConnectionType.connected: + deviceStatus.value = 'connected'; + connected = true; + break; + case ConnectionType.unknown: + deviceStatus.value = 'unknown'; + break; + case ConnectionType.disconnected: + deviceStatus.value = 'disconnected'; + sampling = false; + break; + case ConnectionType.device_found: + deviceStatus.value = 'device_found'; + break; + case ConnectionType.device_not_found: + deviceStatus.value = 'device_not_found'; + break; + } + }); + } + + Future<void> connectToESense(String deviceName) async { + if (!connected) { + await _askForPermissions(); + print('Trying to connect to eSense device namend \'$deviceName\''); + eSenseDeviceName = deviceName; + eSenseManager.deviceName = deviceName; + connected = await eSenseManager.connect(); + print('Trying to connect to eSense device namend \'${eSenseManager.deviceName}\''); + + deviceStatus.value = connected ? 'connecting...' : 'connection failed'; + print(deviceStatus.value); + } + } +} diff --git a/lib/level_selection.dart b/lib/level_selection.dart index 44cf7ea..08c0f12 100644 --- a/lib/level_selection.dart +++ b/lib/level_selection.dart @@ -1,10 +1,9 @@ import 'dart:io'; -import 'package:esense_flutter/esense.dart'; import 'package:file_picker/file_picker.dart'; import 'package:flutter/material.dart'; -import 'package:permission_handler/permission_handler.dart'; import 'package:sense_the_rhythm/esense_connect_dialog.dart'; +import 'package:sense_the_rhythm/esense_input.dart'; import 'package:sense_the_rhythm/simfile.dart'; import 'package:shared_preferences/shared_preferences.dart'; @@ -21,88 +20,12 @@ class _LevelSelectionState extends State<LevelSelection> { String? stepmaniaCoursesPath; List<Simfile> stepmaniaCoursesFolders = []; - String eSenseDeviceName = ''; - ESenseManager? eSenseManager; - ValueNotifier<String> _deviceStatus = ValueNotifier(''); - // String _deviceStatus = ''; - bool connected = false; - bool sampling = false; - @override void initState() { super.initState(); - _listenToESense(); loadFolderPath(); } - Future<void> _askForPermissions() async { - if (!(await Permission.bluetoothScan.request().isGranted && - await Permission.bluetoothConnect.request().isGranted)) { - print( - 'WARNING - no permission to use Bluetooth granted. Cannot access eSense device.'); - } - // for some strange reason, Android requires permission to location for Bluetooth to work.....? - if (Platform.isAndroid) { - if (!(await Permission.locationWhenInUse.request().isGranted)) { - print( - 'WARNING - no permission to access location granted. Cannot access eSense device.'); - } - } - } - - Future<void> _listenToESense() async { - await _askForPermissions(); - - // if you want to get the connection events when connecting, - // set up the listener BEFORE connecting... - eSenseManager!.connectionEvents.listen((event) { - print('CONNECTION event: $event'); - - // when we're connected to the eSense device, we can start listening to events from it - // if (event.type == ConnectionType.connected) _listenToESenseEvents(); - - setState(() { - connected = false; - switch (event.type) { - case ConnectionType.connected: - _deviceStatus.value = 'connected'; - connected = true; - break; - case ConnectionType.unknown: - _deviceStatus.value = 'unknown'; - break; - case ConnectionType.disconnected: - _deviceStatus.value = 'disconnected'; - sampling = false; - break; - case ConnectionType.device_found: - _deviceStatus.value = 'device_found'; - break; - case ConnectionType.device_not_found: - _deviceStatus.value = 'device_not_found'; - break; - } - }); - }); - } - - Future<void> _connectToESense(String deviceName) async { - if (!connected) { - await _askForPermissions(); - print('Trying to connect to eSense device...'); - setState(() { - eSenseDeviceName = deviceName; - }); - print(eSenseDeviceName); - eSenseManager = ESenseManager(eSenseDeviceName); - connected = await eSenseManager!.connect(); - print('success!'); - - setState(() { - _deviceStatus.value = connected ? 'connecting...' : 'connection failed'; - }); - } - } Future<void> loadFolderPath() async { SharedPreferences prefs = await SharedPreferences.getInstance(); @@ -163,9 +86,9 @@ class _LevelSelectionState extends State<LevelSelection> { context: context, builder: (BuildContext context) { return ESenseConnectDialog( - deviceStatus: _deviceStatus, + deviceStatus: ESenseInput.instance.deviceStatus, connect: (String name) { - _connectToESense(name); + ESenseInput.instance.connectToESense(name); }); }, ), |