“'package:flutter/src/widgets/navigator.dart': failed assertion: line 3524 pos 12: '!_debuglocked': is not true.” Code Answer
'package:flutter/src/widgets/navigator.dart': failed assertion: line 3524 pos 12: '!_debuglocked': is not true.
dart by
Steve
on May 15 2022
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python read json from url java utils wait for seconds flutter sharedpreferences clear profile doesn't include the selected signing certificate materialstateproperty color materialstateproperty Cannot fit requested classes in a single dex file (# methods: 86261 > 65536) com.android.builder.dexing.DexArchiveMergerException: Error while merging dex archives: The number of method references in a .dex file cannot exceed 64K. sklearn rmse flutter insecure http is not allowed by platform bad state insecure http is not allowed flutter target of uri doesn pub.dec options != null "FirebaseOptions cannot be null when creating the default app." options = null firebaseoptions cannot be null when creating the default app. flutter python change type of elements in list scaffold background color gradient hive regiter adapter enum velocity x circle The constructor returns type 'Color' that isn't of expected type 'MaterialColor'. android application ic_launcher dimmensions to disable the shrinker pass the --no-shrink flag to this command. in flutter rel canonical tag RenderFlex overflowed canonical tag Attribute application@icon value=(@mipmap/launcher_icon) from AndroidManifest.xml:17:9-45 cannot add to a fixed-length list iran phone number regex verified publisher account on pub.dev using google blogger create publisher account on pub.dev DartPad requires localStorage to be enabled install getx DartPad localStorage dartpad missing browser localstorage dartpad missing browser features six_ft_apart_rounded 'six_ft_apart': Icons.six_ft_apart, six_ft_apart Error: Member not found: 'six_ft_apart'. 'six_ft_apart': Icons.six_ft_apart, StateError (Bad state: No element) psycopg2 flutter safearea The argument type 'Color?' can't be assigned to the parameter type 'MaterialColor?'. Vertical viewport was given unbounded height. DioError (DioError [DioErrorType.DEFAULT]: Converting object to an encodable object failed: Instance of how to get terminal http request time flutter Incompatible classes were found in dependencies. Remove them from the classpath or use '-Xskip-metadata-version-check' to suppress errors Execution failed for task ':app:processDebugMainManifest'. Bad state: Stream has already been listened to 'package:flutter/src/widgets/navigator.dart': failed assertion: line 3524 pos 12: '!_debuglocked': is not true. git remove file from tracking at this point the state of the widget element tree is no longer stable. flutter android studio avd crashing android studio emulator blue screen windows 10 android studio causing blue screen android studio avd blue screen The argument type 'ResponsiveAppBar' can't be assigned to the parameter type 'PreferredSizeWidget?'.dart(argument_type_not_assignable) type '_InternalLinkedHashMap<DateTime, int>' is not a subtype of type 'Map<DateTime, double>' Try using 'as prefix' for one of the import directives, or hiding the name from all but one of the imports.dartambiguous_import aws ec2 upload file MissingPluginException(No implementation found for method Firebase#initializeCore on channel plugins.flutter.io/firebase_core) RenderBox was not laid out: RenderRepaintBoundary#5141b relayoutBoundary=up5 NEEDS-PAINT 'package:flutter/src/rendering/box.dart': package:flutter/…/rendering/box.dart:1 Failed assertion: line 1930 pos 12: 'hasSize' Running Gradle task assembleDebug.... git revert to specific commit id and push FlutterError (Navigator operation requested with a context that does not include a Navigator. The context used to push or pop routes from the Navigator must be that of a widget that is a descendant of a Navigator widget.) height of sizedbox for phonescreen Invalid argument(s): join(null, "bin", "cache", "dart-sdk"): part 0 was null, but part 1 was not. dar initilize list with zero unable to update dart sdk. retrying Invalid file
ERROR: dump failed because resource AndroidManifest.xml not found package:flutter/src/widgets/navigator.dart': failed assertion: line 4517 pos 12: '!_debuglocked': is not true. Error: java.io.IOException: No such file or directory in android 11 uinstall php server on ubuntu javascript remove last character from string upload local to server ssh using pem upload zip file to ec2 aws ubuntu file upload upload a file to ec2 instance flutter: provider ChangeNotifierProvider() The argument type 'Color?' can't be assigned to the parameter type 'MaterialColor?' OneSignalXCFramework (< 4.0, = 3.8.1, >= 3.4.3) Drawer Header set text positon camera focus permission in android Avoid `print` calls in production code how to avoid special characters in validator strapi starters Exception in thread "main" java.util.zip.ZipException: zip END header not found Navigator operation requested with a context that does not include a Navigator api not working on release apk in android Firebase has not been correctly initialized. The argument type 'Context' can't be assigned to the parameter type 'BuildContext' the instance member cannot be accessed in an initializer dart The instance member 'user' can't be accessed in an initializer.Try replacing the reference to the instance member with a different expression link failed but did not provide an info log flutter UserData _userDataFromSnapshot(DocumentSnapshot snapshot) { return UserData( myname: snapshot.data['myname'], mymessage: snapshot.data['mymessage'], uid: uid); } a function body must be provided flutter the getter 'value' isn't defined for the type 'databaseevent'. try importing the library that defines 'value', correcting the name to the name of an existing getter, or defining a getter or field named 'value'.dartundefined_getter How to call a method on the State Notifier Provider how-to-fix-flutter-warning-your-flutter-application-is-created-using-an-older-version git : open another branch ( like clone ) This constructor cannot be used in null-safe code. Use [List.filled] to create a non-empty list. package:grpc/grpc.dart import target uri doesnt exist Using Navigator.popUntil and route without fixed name AnimatedCrossFade Which one is performance wise better Text or extracted TextWidget function core/not-initialized firebase has not been correctly initialized ios var keys = snap.value.keys; There are multiple heroes that share the same tag within a subtree. The operator '[]' isn't defined for the type 'AsyncSnapshot<dynamic>'. flutter Error: Property 'settings' cannot be accessed on 'ModalRoute<Object?>?' because it is potentially null. flluter toast FilterChip backgroung color opacity opendrawer without appbar
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