仅当我导航离开“仪表板”（大多数 BLE 操作在此处执行），然后再次导航回“仪表板”时，才会出现此问题
I/flutter (14996): [FBP] [[ OnCharacteristicReceived ]] result: {secondary_service_uuid: null, error_string: GATT_SUCCESS, service_uuid: feed1201-0451-4000-f00d-01140e3e79ae, success: 1, remote_id: 80:6F:B0:1E:FE:BB, error_code: 0, characteristic_uuid: feed0030-0451-4000-f00d-01140e3e79ae, value: 00}
I/flutter (14996): Power Status Received value: [0]
D/[FBP-Android](14996): [FBP] onCharacteristicRead: uuid: feed0013-0451-4000-f00d-01140e3e79ae status: 0
E/flutter (14996): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4833 pos 12: '_lifecycleState != _ElementLifecycle.defunct': is not true.
E/flutter (14996): #0 _AssertionError._doThrowNew (dart:core-patch/errors_patch.dart:51:61)
E/flutter (14996): #1 _AssertionError._throwNew (dart:core-patch/errors_patch.dart:40:5)
E/flutter (14996): #2 Element.markNeedsBuild (package:flutter/src/widgets/framework.dart:4833:12)
E/flutter (14996): #3 State.setState (package:flutter/src/widgets/framework.dart:1158:15)
E/flutter (14996): #4 _DashboardViewState.GetPowerStatus.<anonymous closure>.<anonymous closure> (package:drc/view/dashboard.dart:432:17)
E/flutter (14996): #5 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
E/flutter (14996): #6 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
E/flutter (14996): #7 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:271:7)
E/flutter (14996): #8 _SyncBroadcastStreamController._sendData (dart:async/broadcast_stream_controller.dart:377:25)
E/flutter (14996): #9 _BroadcastStreamController.add (dart:async/broadcast_stream_controller.dart:244:5)
E/flutter (14996): #10 _AsBroadcastStreamController.add (dart:async/broadcast_stream_controller.dart:474:11)
E/flutter (14996): #11 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
E/flutter (14996): #12 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
E/flutter (14996): #13 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:271:7)
E/flutter (14996): #14 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:784:19)
E/flutter (14996): #15 _StreamController._add (dart:async/stream_controller.dart:658:7)
E/flutter (14996): #16 _StreamController.add (dart:async/stream_controller.dart:606:5)
E/flutter (14996): #17 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
E/flutter (14996): #18 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
E/flutter (14996): #19 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:271:7)
E/flutter (14996): #20 _ForwardingStreamSubscription._add (dart:async/stream_pipe.dart:123:11)
E/flutter (14996): #21 _MapStream._handleData (dart:async/stream_pipe.dart:218:10)
E/flutter (14996): #22 _ForwardingStreamSubscription._handleData (dart:async/stream_pipe.dart:153:13)
E/flutter (14996): #23 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
E/flutter (14996): #24 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
E/flutter (14996): #25 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:271:7)
E/flutter (14996): #26 _ForwardingStreamSubscription._add (dart:async/stream_pipe.dart:123:11)
E/flutter (14996): #27 _WhereStream._handleData (dart:async/stream_pipe.dart:195:12)
E/flutter (14996): #28 _ForwardingStreamSubscription._handleData (dart:async/stream_pipe.dart:153:13)
E/flutter (14996): #29 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
E/flutter (14996): #30 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
E/flutter (14996): #31 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:271:7)
E/flutter (14996): #32 _ForwardingStreamSubscription._add (dart:async/stream_pipe.dart:123:11)
E/flutter (14996): #33 _WhereStream._handleData (dart:async/stream_pipe.dart:195:12)
E/flutter (14996): #34 _ForwardingStreamSubscription._handleData (dart:async/stream_pipe.dart:153:13)
E/flutter (14996): #35 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
E/flutter (14996): #36 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
E/flutter (14996): #37 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:271:7)
E/flutter (14996): #38 _ForwardingStreamSubscription._add (dart:async/stream_pipe.dart:123:11)
E/flutter (14996): #39 _WhereStream._handleData (dart:async/stream_pipe.dart:195:12)
E/flutter (14996): #40 _ForwardingStreamSubscription._handleData (dart:async/stream_pipe.dart:153:13)
E/flutter (14996): #41 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
E/flutter (14996): #42 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
E/flutter (14996): #43 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:271:7)
E/flutter (14996): #44 _ForwardingStreamSubscription._add (dart:async/stream_pipe.dart:123:11)
E/flutter (14996): #45 _WhereStream._handleData (dart:async/stream_pipe.dart:195:12)
E/flutter (14996): #46 _ForwardingStreamSubscription._handleData (dart:async/stream_pipe.dart:153:13)
E/flutter (14996): #47 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
E/flutter (14996): #48 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
E/flutter (14996): #49 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:271:7)
E/flutter (14996): #50 _ForwardingStreamSubscription._add (dart:async/stream_pipe.dart:123:11)
E/flutter (14996): #51 _MapStream._handleData (dart:async/stream_pipe.dart:218:10)
E/flutter (14996): #52 _ForwardingStreamSubscription._handleData (dart:async/stream_pipe.dart:153:13)
E/flutter (14996): #53 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
E/flutter (14996): #54 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
E/flutter (14996): #55 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:271:7)
E/flutter (14996): #56 _ForwardingStreamSubscription._add (dart:async/stream_pipe.dart:123:11)
E/flutter (14996): #57 _MapStream._handleData (dart:async/stream_pipe.dart:218:10)
E/flutter (14996): #58 _ForwardingStreamSubscription._handleData (dart:async/stream_pipe.dart:153:13)
E/flutter (14996): #59 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
E/flutter (14996): #60 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
E/flutter (14996): #61 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:271:7)
E/flutter (14996): #62 _ForwardingStreamSubscription._add (dart:async/stream_pipe.dart:123:11)
E/flutter (14996): #63 _WhereStream._handleData (dart:async/stream_pipe.dart:195:12)
E/flutter (14996): #64 _ForwardingStreamSubscription._handleData (dart:async/stream_pipe.dart:153:13)
E/flutter (14996): #65 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594:10)
E/flutter (14996): #66 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
E/flutter (14996): #67 _DelayedData.perform (dart:async/stream_impl.dart:515:14)
E/flutter (14996): #68 _PendingEvents.handleNext (dart:async/stream_impl.dart:620:11)
E/flutter (14996): #69 _PendingEvents.schedule.<anonymous closure> (dart:async/stream_impl.dart:591:7)
E/flutter (14996): #70 _microtaskLoop (dart:async/schedule_microtask.dart:40:21)
E/flutter (14996): #71 _startMicrotaskLoop (dart:async/schedule_microtask.dart:49:5)
E/flutter (14996):
I/flutter (14996): Power Status Received value: [0]
以下是触发此错误的代码： 该错误专门讨论了 setState 调用
Future<void> GetPowerStatus() async {
if (cancel) {
return;
}
try {
powerControlChar.setNotifyValue(true).then((_) {
if (powerControlChar.isNotifying) {
if (cancel) {
return;
}
powerControlChar.lastValueStream.listen((result) {
// Handle the received value here
int value = result[0];
String binaryString = value.toRadixString(2);
print('Power Status Received value: ${result}');
if (result[0] == 1 || result[0] == 128) {
if (mounted) {
setState(() {
spinChannel1Icon = true;
});
}
} else {
if (mounted) {
setState(() {
spinChannel1Icon = false;
});
}
}
});
}
});
} catch(e) {
print("Error in Sensor Status");
print(e);
}
}
这是我离开仪表板的地方：
void LeaveScreen() {
subscription.cancel();
cancel = true;
feedTimer2.cancel();
setState(() {
loading = true;
});
disposeAsync();
List<BluetoothService> services = Provider
.of<AppData>(context, listen: false)
.connectInfo["services"];
Navigator.pushReplacement(context,
MaterialPageRoute(
builder: (context) => DRCListView(services),
settings: RouteSettings(name: 'DRC List View'),
));
}
Future<void> disposeAsync() async {
await sensorStatusChar.setNotifyValue(false);
await rssiChar.setNotifyValue(false);
await powerControlChar.setNotifyValue(false);
}
这是我导航到仪表板的位置：
Future<void> ConnectPressed() async {
setState(() {
connecting = true;
});
// widget.ToggleConnecting();
widget.cancelSubscription();
Provider.of<AppData>(context, listen: false).changeCurrentDrcDetails({"name": widget.name, "id": widget.id, "index": widget.index});
Provider.of<AppData>(context, listen: false).changeCurrentDrc("feed00");
await WriteCharacteristic(widget.commandChar, [0x0A, widget.index, 0x01, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]);
setState(() {
connecting = false;
});
Navigator.pushReplacement(context,
MaterialPageRoute(
builder: (context) => DashboardView(widget.services),
settings: RouteSettings(name: 'Dashboard View'),
));
}
我尝试在仪表板上的处置功能中添加一些内容，但每次触发时都会出错
======== Exception caught by widgets library =======================================================
The following NoSuchMethodError was thrown while finalizing the widget tree:
Class '_BroadcastSubscription<BluetoothConnectionState>' has no instance method 'dispose'.
Receiver: Instance of '_BroadcastSubscription<BluetoothConnectionState>'
Tried calling: dispose()
When the exception was thrown, this was the stack:
#0 Object.noSuchMethod (dart:core-patch/object_patch.dart:38:5)
#1 _DashboardViewState.dispose (package:drc/view/dashboard.dart:149:18)
#2 StatefulElement.unmount (package:flutter/src/widgets/framework.dart:5508:11)
#3 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1952:13)
#4 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#5 SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:6420:14)
#6 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#7 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#8 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#9 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#10 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#11 SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:6420:14)
#12 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#13 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#14 SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:6420:14)
#15 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#16 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#17 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#18 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#19 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#20 SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:6420:14)
#21 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#22 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#23 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#24 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#25 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#26 SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:6420:14)
#27 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#28 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#29 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#30 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#31 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#32 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#33 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#34 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#35 SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:6420:14)
#36 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#37 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#38 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#39 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#40 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#41 SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:6420:14)
#42 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#43 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#44 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#45 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#46 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#47 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#48 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#49 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#50 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#51 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#52 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#53 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#54 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#55 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#56 SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:6420:14)
#57 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#58 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#59 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#60 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#61 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#62 SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:6420:14)
#63 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#64 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#65 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#66 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#67 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#68 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#69 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#70 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#71 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#72 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#73 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#74 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#75 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#76 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#77 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#78 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#79 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#80 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#81 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#82 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#83 SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:6420:14)
#84 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#85 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#86 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#87 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#88 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#89 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#90 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#91 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#92 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#93 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#94 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#95 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#96 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#97 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#98 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#99 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#100 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#101 SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:6420:14)
#102 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#103 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#104 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#105 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#106 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#107 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#108 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#109 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#110 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#111 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#112 _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1950:7)
#113 ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:5349:14)
#114 _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1948:13)
#115 ListIterable.forEach (dart:_internal/iterable.dart:39:13)
#116 _InactiveElements._unmountAll (package:flutter/src/widgets/framework.dart:1961:25)
#117 BuildOwner.lockState (package:flutter/src/widgets/framework.dart:2639:15)
#118 BuildOwner.finalizeTree (package:flutter/src/widgets/framework.dart:3049:7)
#119 WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:919:19)
#120 RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:360:5)
#121 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1297:15)
#122 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1227:9)
#123 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1085:5)
#124 _invoke (dart:ui/hooks.dart:170:13)
#125 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:401:5)
#126 _drawFrame (dart:ui/hooks.dart:140:31)
====================================================================================================
@override
void dispose() {
subscription.dispose();
cancel = true;
feedTimer2.cancel();
disposeAsync();
super.dispose();
}
包裹
use WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
});