static void _scanAP(SendPort sendPort) async {
Timer.periodic(new Duration(seconds: 5), (Timer t) async {
List<WifiNetwork> scanResult;
try {
scanResult = await WiFiForIoTPlugin.loadWifiList();
} on PlatformException {
scanResult = List<WifiNetwork>();
}
_counter++;
});
}
void main() {
WidgetsFlutterBinding.ensureInitialized();
SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp])
.then((_) {
runApp(new MyApp());
});
}
flutter doctor -v
[✓] Flutter (Channel stable, v1.12.13+hotfix.9, on Linux, locale en_US.UTF-8)
• Flutter version 1.12.13+hotfix.9 at /home/aia/flutter
• Framework revision f139b11009 (3 weeks ago), 2020-03-30 13:57:30 -0700
• Engine revision af51afceb8
• Dart version 2.7.2
[✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
• Android SDK at /home/aia/Android/Sdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-28, build-tools 28.0.3
• Java binary at: /snap/android-studio/88/android-studio/jre/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_212-release-1586-b4-5784211)
• All Android licenses accepted.
[✓] Android Studio (version 3.6)
• Android Studio at /snap/android-studio/88/android-studio
• Flutter plugin version 45.0.1
• Dart plugin version 192.7761
• Java version OpenJDK Runtime Environment (build 1.8.0_212-release-1586-b4-5784211)
[✓] Connected device (1 available)
• 0123456789ABCDEF • 0123456789ABCDEF • android-arm • Android 4.1.1 (API 16)
• No issues found!
$ flutter run
Launching lib/main.dart on 0123456789ABCDEF in debug mode...
D/FlutterActivity( 7121): Using the launch theme as normal theme.
D/FlutterActivityAndFragmentDelegate( 7121): Setting up FlutterEngine.
D/FlutterActivityAndFragmentDelegate( 7121): No preferred FlutterEngine was provided. Creating a new FlutterEngine for this FlutterFragment.
D/FlutterActivityAndFragmentDelegate( 7121): Attaching FlutterEngine to the Activity that owns this Fragment.
D/FlutterView( 7121): Attaching to a FlutterEngine: io.flutter.embedding.engine.FlutterEngine@4231d4c8
D/FlutterActivityAndFragmentDelegate( 7121): Executing Dart entrypoint: main, and sending initial route: /
E/flutter ( 7121): [ERROR:flutter/runtime/dart_isolate.cc(915)] Unhandled exception:
E/flutter ( 7121): ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized.
E/flutter ( 7121): If you're running an application and need to access the binary messenger before `runApp()` has been called (for example, during plugin initialization), then you need to explicitly call the `WidgetsFlutterBinding.ensureInitialized()` first.
E/flutter ( 7121): If you're running a test, you can call the `TestWidgetsFlutterBinding.ensureInitialized()` as the first line in your test's `main()` method to initialize the binding.
E/flutter ( 7121): #0 defaultBinaryMessenger.<anonymous closure> (package:flutter/src/services/binary_messenger.dart:76:7)
E/flutter ( 7121): #1 defaultBinaryMessenger (package:flutter/src/services/binary_messenger.dart:89:4)
E/flutter ( 7121): #2 MethodChannel.binaryMessenger (package:flutter/src/services/platform_channel.dart:140:62)
E/flutter ( 7121): #3 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:314:35)
E/flutter ( 7121): #4 WiFiForIoTPlugin._loadWifiList (package:wifi_iot/wifi_iot.dart:155:32)
E/flutter ( 7121): #5 WiFiForIoTPlugin.loadWifiList (package:wifi_iot/wifi_iot.dart:164:39)
E/flutter ( 7121): #6 _MyHomePageState._scanAP.<anonymous closure> (package:demo/main.dart:57:45)
E/flutter ( 7121): #7 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:384:19)
E/flutter ( 7121): #8 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:418:5)
E/flutter ( 7121): #9 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:174:12)
E/flutter ( 7121): [ERROR:flutter/runtime/dart_isolate.cc(915)] Unhandled exception:
E/flutter ( 7121): ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized.
E/flutter ( 7121): If you're running an application and need to access the binary messenger before `runApp()` has been called (for example, during plugin initialization), then you need to explicitly call the `WidgetsFlutterBinding.ensureInitialized()` first.
E/flutter ( 7121): If you're running a test, you can call the `TestWidgetsFlutterBinding.ensureInitialized()` as the first line in your test's `main()` method to initialize the binding.
E/flutter ( 7121): #0 defaultBinaryMessenger.<anonymous closure> (package:flutter/src/services/binary_messenger.dart:76:7)
E/flutter ( 7121): #1 defaultBinaryMessenger (package:flutter/src/services/binary_messenger.dart:89:4)
E/flutter ( 7121): #2 MethodChannel.binaryMessenger (package:flutter/src/services/platform_channel.dart:140:62)
E/flutter ( 7121): #3 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:314:35)
E/flutter ( 7121): #4 WiFiForIoTPlugin._loadWifiList (package:wifi_iot/wifi_iot.dart:155:32)
E/flutter ( 7121): #5 WiFiForIoTPlugin.loadWifiList (package:wifi_iot/wifi_iot.dart:164:39)
E/flutter ( 7121): #6 _MyHomePageState._scanAP.<anonymous closure> (package:demo/main.dart:57:45)
E/flutter ( 7121): #7 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:384:19)
E/flutter ( 7121): #8 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:418:5)
E/flutter ( 7121): #9 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:174:12)
E/flutter ( 7121): [ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: Bad state: Stream has already been listened to.
E/flutter ( 7121): #0 _StreamController._subscribe (dart:async/stream_controller.dart:670:7)
E/flutter ( 7121): #1 _ControllerStream._createSubscription (dart:async/stream_controller.dart:820:19)
E/flutter ( 7121): #2 _StreamImpl.listen (dart:async/stream_impl.dart:474:9)
E/flutter ( 7121): #3 _ReceivePortImpl.listen (dart:isolate-patch/isolate_patch.dart:87:31)
E/flutter ( 7121): #4 _MyHomePageState._start (package:demo/main.dart:48:18)
E/flutter ( 7121): <asynchronous suspension>
E/flutter ( 7121): #5 _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:706:14)
E/flutter ( 7121): #6 _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:789:36)
E/flutter ( 7121): #7 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:182:24)
E/flutter ( 7121): #8 TapGestureRecognizer.handleTapUp (package:flutter/src/gestures/tap.dart:486:11)
E/flutter ( 7121): #9 BaseTapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:264:5)
E/flutter ( 7121): #10 BaseTapGestureRecognizer.acceptGesture (package:flutter/src/gestures/tap.dart:236:7)
E/flutter ( 7121): #11 GestureArenaManager.sweep (package:flutter/src/gestures/arena.dart:156:27)
E/flutter ( 7121): #12 GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:222:20)
E/flutter ( 7121): #13 GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:198:22)
E/flutter ( 7121): #14 GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:156:7)
E/flutter ( 7121): #15 GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:102:7)
E/flutter ( 7121): #16 GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:86:7)
E/flutter ( 7121): #17 _rootRunUnary (dart:async/zone.dart:1138:13)
E/flutter ( 7121): #18 _CustomZone.runUnary (dart:async/zone.dart:1031:19)
E/flutter ( 7121): #19 _CustomZone.runUnaryGuarded (dart:async/zone.dart:933:7)
E/flutter ( 7121): #20 _invoke1 (dart:ui/hooks.dart:273:10)
E/flutter ( 7121): #21 _dispatchPointerDataPacket (dart:ui/hooks.dart:182:5)
E/flutter ( 7121):
E/flutter ( 7121): [ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: Bad state: Stream has already been listened to.
E/flutter ( 7121): #0 _StreamController._subscribe (dart:async/stream_controller.dart:670:7)
E/flutter ( 7121): #1 _ControllerStream._createSubscription (dart:async/stream_controller.dart:820:19)
E/flutter ( 7121): #2 _StreamImpl.listen (dart:async/stream_impl.dart:474:9)
E/flutter ( 7121): #3 _ReceivePortImpl.listen (dart:isolate-patch/isolate_patch.dart:87:31)
E/flutter ( 7121): #4 _MyHomePageState._start (package:demo/main.dart:48:18)
E/flutter ( 7121): <asynchronous suspension>
E/flutter ( 7121): #5 _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:706:14)
E/flutter ( 7121): #6 _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:789:36)
E/flutter ( 7121): #7 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:182:24)
E/flutter ( 7121): #8 TapGestureRecognizer.handleTapUp (package:flutter/src/gestures/tap.dart:486:11)
E/flutter ( 7121): #9 BaseTapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:264:5)
E/flutter ( 7121): #10 BaseTapGestureRecognizer.acceptGesture (package:flutter/src/gestures/tap.dart:236:7)
E/flutter ( 7121): #11 GestureArenaManager.sweep (package:flutter/src/gestures/arena.dart:156:27)
E/flutter ( 7121): #12 GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:222:20)
E/flutter ( 7121): #13 GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:198:22)
E/flutter ( 7121): #14 GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:156:7)
E/flutter ( 7121): #15 GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:102:7)
E/flutter ( 7121): #16 GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:86:7)
E/flutter ( 7121): #17 _rootRunUnary (dart:async/zone.dart:1138:13)
E/flutter ( 7121): #18 _CustomZone.runUnary (dart:async/zone.dart:1031:19)
E/flutter ( 7121): #19 _CustomZone.runUnaryGuarded (dart:async/zone.dart:933:7)
E/flutter ( 7121): #20 _invoke1 (dart:ui/hooks.dart:273:10)
E/flutter ( 7121): #21 _dispatchPointerDataPacket (dart:ui/hooks.dart:182:5)
E/flutter ( 7121):
E/flutter ( 7121): [ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: Bad state: Stream has already been listened to.
E/flutter ( 7121): #0 _StreamController._subscribe (dart:async/stream_controller.dart:670:7)
E/flutter ( 7121): #1 _ControllerStream._createSubscription (dart:async/stream_controller.dart:820:19)
E/flutter ( 7121): #2 _StreamImpl.listen (dart:async/stream_impl.dart:474:9)
E/flutter ( 7121): #3 _ReceivePortImpl.listen (dart:isolate-patch/isolate_patch.dart:87:31)
E/flutter ( 7121): #4 _MyHomePageState._start (package:demo/main.dart:48:18)
E/flutter ( 7121): <asynchronous suspension>
E/flutter ( 7121): #5 _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:706:14)
E/flutter ( 7121): #6 _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:789:36)
E/flutter ( 7121): #7 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:182:24)
E/flutter ( 7121): #8 TapGestureRecognizer.handleTapUp (package:flutter/src/gestures/tap.dart:486:11)
E/flutter ( 7121): #9 BaseTapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:264:5)
E/flutter ( 7121): #10 BaseTapGestureRecognizer.acceptGesture (package:flutter/src/gestures/tap.dart:236:7)
E/flutter ( 7121): #11 GestureArenaManager.sweep (package:flutter/src/gestures/arena.dart:156:27)
E/flutter ( 7121): #12 GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:222:20)
E/flutter ( 7121): #13 GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:198:22)
E/flutter ( 7121): #14 GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:156:7)
E/flutter ( 7121): #15 GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:102:7)
E/flutter ( 7121): #16 GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:86:7)
E/flutter ( 7121): #17 _rootRunUnary (dart:async/zone.dart:1138:13)
E/flutter ( 7121): #18 _CustomZone.runUnary (dart:async/zone.dart:1031:19)
E/flutter ( 7121): #19 _CustomZone.runUnaryGuarded (dart:async/zone.dart:933:7)
E/flutter ( 7121): #20 _invoke1 (dart:ui/hooks.dart:273:10)
E/flutter ( 7121): #21 _dispatchPointerDataPacket (dart:ui/hooks.dart:182:5)
E/flutter ( 7121):
E/flutter ( 7121): [ERROR:flutter/runtime/dart_isolate.cc(915)] Unhandled exception:
E/flutter ( 7121): ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized.
E/flutter ( 7121): If you're running an application and need to access the binary messenger before `runApp()` has been called (for example, during plugin initialization), then you need to explicitly call the `WidgetsFlutterBinding.ensureInitialized()` first.
E/flutter ( 7121): If you're running a test, you can call the `TestWidgetsFlutterBinding.ensureInitialized()` as the first line in your test's `main()` method to initialize the binding.
E/flutter ( 7121): #0 defaultBinaryMessenger.<anonymous closure> (package:flutter/src/services/binary_messenger.dart:76:7)
E/flutter ( 7121): #1 defaultBinaryMessenger (package:flutter/src/services/binary_messenger.dart:89:4)
E/flutter ( 7121): #2 MethodChannel.binaryMessenger (package:flutter/src/services/platform_channel.dart:140:62)
E/flutter ( 7121): #3 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:314:35)
E/flutter ( 7121): #4 WiFiForIoTPlugin._loadWifiList (package:wifi_iot/wifi_iot.dart:155:32)
E/flutter ( 7121): #5 WiFiForIoTPlugin.loadWifiList (package:wifi_iot/wifi_iot.dart:164:39)
E/flutter ( 7121): #6 _MyHomePageState._scanAP.<anonymous closure> (package:demo/main.dart:57:45)
E/flutter ( 7121): #7 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:384:19)
E/flutter ( 7121): #8 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:418:5)
E/flutter ( 7121): #9 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:174:12)
E/flutter ( 7121): [ERROR:flutter/runtime/dart_isolate.cc(915)] Unhandled exception:
E/flutter ( 7121): ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized.
E/flutter ( 7121): If you're running an application and need to access the binary messenger before `runApp()` has been called (for example, during plugin initialization), then you need to explicitly call the `WidgetsFlutterBinding.ensureInitialized()` first.
E/flutter ( 7121): If you're running a test, you can call the `TestWidgetsFlutterBinding.ensureInitialized()` as the first line in your test's `main()` method to initialize the binding.
E/flutter ( 7121): #0 defaultBinaryMessenger.<anonymous closure> (package:flutter/src/services/binary_messenger.dart:76:7)
E/flutter ( 7121): #1 defaultBinaryMessenger (package:flutter/src/services/binary_messenger.dart:89:4)
E/flutter ( 7121): #2 MethodChannel.binaryMessenger (package:flutter/src/services/platform_channel.dart:140:62)
E/flutter ( 7121): #3 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:314:35)
E/flutter ( 7121): #4 WiFiForIoTPlugin._loadWifiList (package:wifi_iot/wifi_iot.dart:155:32)
E/flutter ( 7121): #5 WiFiForIoTPlugin.loadWifiList (package:wifi_iot/wifi_iot.dart:164:39)
E/flutter ( 7121): #6 _MyHomePageState._scanAP.<anonymous closure> (package:demo/main.dart:57:45)
E/flutter ( 7121): #7 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:384:19)
E/flutter ( 7121): #8 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:418:5)
E/flutter ( 7121): #9 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:174:12)
E/flutter ( 7121): [ERROR:flutter/runtime/dart_isolate.cc(915)] Unhandled exception:
E/flutter ( 7121): ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized.
E/flutter ( 7121): If you're running an application and need to access the binary messenger before `runApp()` has been called (for example, during plugin initialization), then you need to explicitly call the `WidgetsFlutterBinding.ensureInitialized()` first.
E/flutter ( 7121): If you're running a test, you can call the `TestWidgetsFlutterBinding.ensureInitialized()` as the first line in your test's `main()` method to initialize the binding.
E/flutter ( 7121): #0 defaultBinaryMessenger.<anonymous closure> (package:flutter/src/services/binary_messenger.dart:76:7)
E/flutter ( 7121): #1 defaultBinaryMessenger (package:flutter/src/services/binary_messenger.dart:89:4)
E/flutter ( 7121): #2 MethodChannel.binaryMessenger (package:flutter/src/services/platform_channel.dart:140:62)
E/flutter ( 7121): #3 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:314:35)
E/flutter ( 7121): #4 WiFiForIoTPlugin._loadWifiList (package:wifi_iot/wifi_iot.dart:155:32)
E/flutter ( 7121): #5 WiFiForIoTPlugin.loadWifiList (package:wifi_iot/wifi_iot.dart:164:39)
E/flutter ( 7121): #6 _MyHomePageState._scanAP.<anonymous closure> (package:demo/main.dart:57:45)
E/flutter ( 7121): #7 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:384:19)
E/flutter ( 7121): #8 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:418:5)
E/flutter ( 7121): #9 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:174:12)
E/flutter ( 7121): [ERROR:flutter/runtime/dart_isolate.cc(915)] Unhandled exception:
E/flutter ( 7121): ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized.
E/flutter ( 7121): If you're running an application and need to access the binary messenger before `runApp()` has been called (for example, during plugin initialization), then you need to explicitly call the `WidgetsFlutterBinding.ensureInitialized()` first.
E/flutter ( 7121): If you're running a test, you can call the `TestWidgetsFlutterBinding.ensureInitialized()` as the first line in your test's `main()` method to initialize the binding.
E/flutter ( 7121): #0 defaultBinaryMessenger.<anonymous closure> (package:flutter/src/services/binary_messenger.dart:76:7)
E/flutter ( 7121): #1 defaultBinaryMessenger (package:flutter/src/services/binary_messenger.dart:89:4)
E/flutter ( 7121): #2 MethodChannel.binaryMessenger (package:flutter/src/services/platform_channel.dart:140:62)
E/flutter ( 7121): #3 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:314:35)
E/flutter ( 7121): #4 WiFiForIoTPlugin._loadWifiList (package:wifi_iot/wifi_iot.dart:155:32)
E/flutter ( 7121): #5 WiFiForIoTPlugin.loadWifiList (package:wifi_iot/wifi_iot.dart:164:39)
E/flutter ( 7121): #6 _MyHomePageState._scanAP.<anonymous closure> (package:demo/main.dart:57:45)
E/flutter ( 7121): #7 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:384:19)
E/flutter ( 7121): #8 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:418:5)
E/flutter ( 7121): #9 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:174:12)
E/flutter ( 7121): [ERROR:flutter/runtime/dart_isolate.cc(915)] Unhandled exception:
E/flutter ( 7121): ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized.
E/flutter ( 7121): If you're running an application and need to access the binary messenger before `runApp()` has been called (for example, during plugin initialization), then you need to explicitly call the `WidgetsFlutterBinding.ensureInitialized()` first.
E/flutter ( 7121): If you're running a test, you can call the `TestWidgetsFlutterBinding.ensureInitialized()` as the first line in your test's `main()` method to initialize the binding.
E/flutter ( 7121): #0 defaultBinaryMessenger.<anonymous closure> (package:flutter/src/services/binary_messenger.dart:76:7)
E/flutter ( 7121): #1 defaultBinaryMessenger (package:flutter/src/services/binary_messenger.dart:89:4)
E/flutter ( 7121): #2 MethodChannel.binaryMessenger (package:flutter/src/services/platform_channel.dart:140:62)
E/flutter ( 7121): #3 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:314:35)
E/flutter ( 7121): #4 WiFiForIoTPlugin._loadWifiList (package:wifi_iot/wifi_iot.dart:155:32)
E/flutter ( 7121): #5 WiFiForIoTPlugin.loadWifiList (package:wifi_iot/wifi_iot.dart:164:39)
E/flutter ( 7121): #6 _MyHomePageState._scanAP.<anonymous closure> (package:demo/main.dart:57:45)
E/flutter ( 7121): #7 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:384:19)
E/flutter ( 7121): #8 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:418:5)
E/flutter ( 7121): #9 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:174:12)
D/FlutterActivity( 8025): Using the launch theme as normal theme.
D/FlutterActivityAndFragmentDelegate( 8025): Setting up FlutterEngine.
D/FlutterActivityAndFragmentDelegate( 8025): No preferred FlutterEngine was provided. Creating a new FlutterEngine for this FlutterFragment.
D/FlutterActivityAndFragmentDelegate( 8025): Attaching FlutterEngine to the Activity that owns this Fragment.
D/FlutterView( 8025): Detaching from a FlutterEngine: null
D/FlutterView( 8025): Not attached to an engine. Doing nothing.
D/FlutterView( 8025): Attaching to a FlutterEngine: io.flutter.embedding.engine.FlutterEngine@42314ee0
D/FlutterActivityAndFragmentDelegate( 8025): Executing Dart entrypoint: main, and sending initial route: /
D/FlutterView( 8025): Attaching to a FlutterEngine: io.flutter.embedding.engine.FlutterEngine@42314ee0
D/FlutterView( 8025): Already attached to this engine. Doing nothing.
D/FlutterView( 8025): Detaching from a FlutterEngine: io.flutter.embedding.engine.FlutterEngine@42314ee0
D/FlutterActivityAndFragmentDelegate( 8025): Detaching FlutterEngine from the Activity that owns this Fragment.
D/FlutterEngine( 8025): Destroying.
D/FlutterEnginePluginRegistry( 8025): Destroying.
Running Gradle task 'assembleDebug'...
Running Gradle task 'assembleDebug'... Done 3.6s
✓ Built build/app/outputs/apk/debug/app-debug.apk.
D/FlutterActivity( 8200): Using the launch theme as normal theme.
D/FlutterActivityAndFragmentDelegate( 8200): Setting up FlutterEngine.
D/FlutterActivityAndFragmentDelegate( 8200): No preferred FlutterEngine was provided. Creating a new FlutterEngine for this FlutterFragment.
D/FlutterActivityAndFragmentDelegate( 8200): Attaching FlutterEngine to the Activity that owns this Fragment.
D/FlutterView( 8200): Attaching to a FlutterEngine: io.flutter.embedding.engine.FlutterEngine@42315d18
D/FlutterActivityAndFragmentDelegate( 8200): Executing Dart entrypoint: main, and sending initial route: /
Syncing files to device 0123456789ABCDEF...
(This is taking an unexpectedly long time.) ⣻
(This is taking an unexpectedly long time.) ⡿
(This is taking an unexpectedly long time.) ⣯
12,023ms (!)
🔥 To hot reload changes while running, press "r". To hot restart (and rebuild state), press "R".
An Observatory debugger and profiler on 0123456789ABCDEF is available at: http://127.0.0.1:44159/2a6fIhV7kgE=/
For a more detailed help message, press "h". To detach, press "d"; to quit, press "q".
E/flutter ( 8200): [ERROR:flutter/runtime/dart_isolate.cc(915)] Unhandled exception:
E/flutter ( 8200): ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized.
E/flutter ( 8200): If you're running an application and need to access the binary messenger before `runApp()` has been called (for example, during plugin initialization), then you need to explicitly call the `WidgetsFlutterBinding.ensureInitialized()` first.
E/flutter ( 8200): If you're running a test, you can call the `TestWidgetsFlutterBinding.ensureInitialized()` as the first line in your test's `main()` method to initialize the binding.
E/flutter ( 8200): #0 defaultBinaryMessenger.<anonymous closure> (package:flutter/src/services/binary_messenger.dart:76:7)
E/flutter ( 8200): #1 defaultBinaryMessenger (package:flutter/src/services/binary_messenger.dart:89:4)
E/flutter ( 8200): #2 MethodChannel.binaryMessenger (package:flutter/src/services/platform_channel.dart:140:62)
E/flutter ( 8200): #3 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:314:35)
E/flutter ( 8200): #4 WiFiForIoTPlugin._loadWifiList (package:wifi_iot/wifi_iot.dart:155:32)
E/flutter ( 8200): #5 WiFiForIoTPlugin.loadWifiList (package:wifi_iot/wifi_iot.dart:164:39)
E/flutter ( 8200): #6 _MyHomePageState._scanAP.<anonymous closure> (package:demo/main.dart:57:45)
E/flutter ( 8200): #7 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:384:19)
E/flutter ( 8200): #8 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:418:5)
E/flutter ( 8200): #9 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:174:12)
E/flutter ( 8200): [ERROR:flutter/runtime/dart_isolate.cc(915)] Unhandled exception:
E/flutter ( 8200): ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized.
E/flutter ( 8200): If you're running an application and need to access the binary messenger before `runApp()` has been called (for example, during plugin initialization), then you need to explicitly call the `WidgetsFlutterBinding.ensureInitialized()` first.
E/flutter ( 8200): If you're running a test, you can call the `TestWidgetsFlutterBinding.ensureInitialized()` as the first line in your test's `main()` method to initialize the binding.
E/flutter ( 8200): #0 defaultBinaryMessenger.<anonymous closure> (package:flutter/src/services/binary_messenger.dart:76:7)
E/flutter ( 8200): #1 defaultBinaryMessenger (package:flutter/src/services/binary_messenger.dart:89:4)
E/flutter ( 8200): #2 MethodChannel.binaryMessenger (package:flutter/src/services/platform_channel.dart:140:62)
E/flutter ( 8200): #3 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:314:35)
E/flutter ( 8200): #4 WiFiForIoTPlugin._loadWifiList (package:wifi_iot/wifi_iot.dart:155:32)
E/flutter ( 8200): #5 WiFiForIoTPlugin.loadWifiList (package:wifi_iot/wifi_iot.dart:164:39)
E/flutter ( 8200): #6 _MyHomePageState._scanAP.<anonymous closure> (package:demo/main.dart:57:45)
E/flutter ( 8200): #7 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:384:19)
E/flutter ( 8200): #8 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:418:5)
E/flutter ( 8200): #9 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:174:12)
Application finished.