_internallinkedhashmap<string, dynamic>' is not a subtype of type 'string

I am new to Flutter, I try to fetch data from my api on "10.0.2.2:8000/api/membres" but got error like type List dynamic is not a subtype of type 'List. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. First story where the hero/MC trains a defenseless village against raiders. Set conditional breakpoint at that line with. Can a county without an HOA or Covenants stop people from storing campers or building sheds? How Intuit improves security, latency, and development velocity with a Site Maintenance - Friday, January 20, 2023 02:00 - 05:00 UTC (Thursday, Jan Were bringing advertisements for technology courses to Stack Overflow, type '_InternalLinkedHashMap' is not a subtype of type 'List>' of 'function result', Flutter json object - type _InternalLinkedHashMap is not subtype of type List, Dart Unhandled Exception: type '_InternalLinkedHashMap' is not a subtype of type 'Iterable, '_InternalLinkedHashMap>' is not a subtype of type 'Map' of 'other', type '_InternalLinkedHashMap' is not a subtype of type 'List' in type cast, Type '_InternalLinkedHashMap' is not a subtype of type 'bool', flutter: type '_InternalLinkedHashMap' is not a subtype of type 'bool' flutter, Make "quantile" classification with an expression. Making statements based on opinion; back them up with references or personal experience. to your account. Here a working example from me, just copy the parts you need. body.map((dynamic item) => Dolar.fromJson(item)).toList(); ^^^^^^, You may need to update your question to include the Dolar model and see the, I put an example equal to my Model and a print of the current error after your suggestion, Yes, all of them, id, name, as it is in the json template I put above, to put them in my model, which has the same fields, The answer from daddy Games above already solved my problem, I also appreciate your help :D, Flutter type '_InternalLinkedHashMap' is not a subtype of type 'List', Microsoft Azure joins Collectives on Stack Overflow. When argument data pass through by MethodChannel or EventChannel. While I receive the response It throws an error, '_InternalLinkedHashMap' is not a subtype of type 'String', Trying to resolve it but I can't. Making statements based on opinion; back them up with references or personal experience. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Writing a state respective to the eigenbasis of an observable. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Have a question about this project? Trying to match up a new seat for my bicycle and having difficulty finding one that will work. You can configure your generator to use anyMap see https://pub.dartlang.org/packages/json_serializable under Build Configuration set any_map: true and you should be good! Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Questions labeled as solved may be solved or may not be solved depending on the type of question and the date posted for some posts may be scheduled to be deleted periodically. Flutter change focus color and icon color but not works. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. // Navigator.push(context, MaterialPageRoute(builder: (context) =>DetailPage(post: data,))); You signed in with another tab or window. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. rev2023.1.18.43174. Flutter change focus color and icon color but not works. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. child (entryId) . The problem is in your conversion. Connect and share knowledge within a single location that is structured and easy to search. Can state or city police officers enforce the FCC regulations? I don't believe there is a way to cast to the appropriate type when dealing with nested data like this. ***> wrote: I think iterating over the data in some fashion is the only thing you can do in this situation. []Unhandled Exception: type '_InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'String' json ListView.builder type '_InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'String' Furthermore, the errors provided for some reason do not show stack into json_serializable, so it's very difficult to track down the source. Following is the response that I am getting from server. Well occasionally send you account related emails. To learn more, see our tips on writing great answers. Tried any_map: true. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Can state or city police officers enforce the FCC regulations? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Unhandled Exception: type List <dynamic is not a subtype of type 'String' http . Note that I'm using the advanced analysis options in my analysis_options.yaml: All attempts raised the following runtime error: type '_InternalLinkedHashMap' is not a subtype of type 'Map' in type cast. But avoid . To dig a little deeper, there are three main typing disciplines: TypelessThis includes languages like most Assembly dialects and Forth. Critical issues have been reported with the following SDK versions: com.google.android.gms:play-services-safetynet:17.0.0, Flutter Dart - get localized country name from country code, navigatorState is null when using pushNamed Navigation onGenerateRoutes of GetMaterialPage, Android Sdk manager not found- Flutter doctor error, Flutter Laravel Push Notification without using any third party like(firebase,onesignal..etc), How to change the color of ElevatedButton when entering text in TextField, How to Handle API response model class if object is not Available in some situation on Same API Flutter Dart, how to replace some string from outside in json file, _InternalLinkedHashMap' is not a subtype of type 'FutureOr>. By clicking Sign up for GitHub, you agree to our terms of service and Not the answer you're looking for? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. @GazihanAlankus I have debugged the code and the error happens after execting the line, This answer is a little lacking: Where does, Flutter :type '_InternalLinkedHashMap' is not a subtype of type 'String', Microsoft Azure joins Collectives on Stack Overflow. This problem is still apparent and it's very annoying. How can we cool a computer connected on top of or within a human brain? In my case, I had a Map of another serializable object. [Solved]-type '_InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'BannerModel'-Flutter score:0 The error most likely comes from the following class while you try to convert the elements to BannerModel elements. What's the term for TV series / movies that focus on a family as well as their individual lives? How i solve this was to add [] to my variable to make a list before i parse it to json. I am fairly new in Flutter and have a issue that is giving me a problem. I couldn't get any_map to work either. Get rid of this line: Can state or city police officers enforce the FCC regulations? There was a similar discussion here about casting nested lists: https://github.com/dart-lang/language/issues/1574. Or change your map generation to create Map instead of Map. Otherwise it's too much guess work. So you just change it to be a single instance of Dolar that gets it's data from the "USDBRL" Map. If the generated code didn't change at all, then you likely have something wrong with your configuration. They have a big overlap. Kyber and Dilithium explained to primary school students? 1) use jsonSerializers instead of default serializers in your built_value. Data is just a sequence of bits, and you can do different operations on those bits that will interpret them in different ways. Dart - """"<dynamic> '</dynamic> - Dart - type 'String' is not a subtype of type 'Iterable<dynamic>' dart JSON .json What is the best way to do this? In general, you should try to trim your example down to the minimal possible reproduction of your issue. How could one outsmart a tracking implant? "ERROR: column "a" does not exist" when referencing column alias. eg in PHP Just for the sake of my understanding, is there any reason why json_serializable can't do a Map.from() when it's expecting a map? I'm getting an exception when trying to get the data from the API. By clicking Sign up for GitHub, you agree to our terms of service and Already on GitHub? Can I change which outlet on a circuit has the GFCI reset switch? rev2023.1.18.43174. (If It Is At All Possible). I'm a Flutter language learner, new to this world. I've tried searching for resolutions on the internet, but none of the alternatives I've tried have worked. I need a 'standard array' for a D&D-like homebrew game, but anydice chokes - how to proceed? Making statements based on opinion; back them up with references or personal experience. What non-academic job options are there for a PhD in algebraic topology? Asking for help, clarification, or responding to other answers. Unhandled Exception: type 'List' is not a subtype of type 'List>' in type cast Below is my code,im a beginner dart/flutter casting dynamic list from Future.wait causing type 'List<dynamic>' is not a subtype of type 'List<CustomClass>' Flutter type 'String' is not a subtype of type 'int' of 'index' when getting from list To learn more, see our tips on writing great answers. The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist? How to troubleshoot crashes detected by Google Play Store for Flutter app, Cupertino DateTime picker interfering with scroll behaviour. _InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'String' when connecting to API flutter dart flutter-provider dio 2,095 dio returns the response.data already as a Map, therefore: Map apiResponse = response. node.js flutter dart fetch-api jsonserializer Share Improve this question Follow If you know what type of data should be returned, do not use var instead use the type that you are expecting such that List this will give you a more specific error about the code. Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? Indefinite article before noun starting with "the", Site load takes 30 minutes after deploying DLL into local instance, How Could One Calculate the Crit Chance in 13th Age for a Monk with Ki in Anydice? Learning Dart programming online free from beginning with our easy to follow tutorials, examples, exercises, mcq and references. []Error: type 'String' is not a subtype of type 'List<dynamic>' API model getIdeaList API getIdeaList Asking for help, clarification, or responding to other answers. Ex. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Is it OK to ask the professor I am applying to for a recommendation letter? Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, _TypeError (type '_InternalLinkedHashMap' is not a subtype of type 'Iterable') Flutter, Microsoft Azure joins Collectives on Stack Overflow. ". Could you observe air-drag on an ISS spacewalk? You imply that when you fetch multiple users, this code works fine, likely because jsonData["data"] is actually returning a List when you fetch multiple. My workaround in the fromJson method was as follows: json["owner"] = Map.from(json["owner"]); Running into this now. Two parallel diagonal lines on a Schengen passport stamp. When argument data pass through by MethodChannel or EventChannel. How were Acorn Archimedes used outside education? in type cast, What is happening here i can't understood. I think this can be done by iterating through the map but if these are very large, this is an expensive operation. Below is the code. If it's a List then do what you currently have, if not then, you process it differently. See flutter/flutter#17417 please add a there to encourage the flutter folks to run on it, Thanks @kevmoo , I was able to move forward by using any_map: true and switching to MyClass.fromJson(Map json) instead of MyClass.fromJson(Map json), The best idea to Fix The Error Get possible sizes of product on product page in Magento 2. To learn more, see our tips on writing great answers. Using a Counter to Select Range, Delete, and Shift Row Up. Making statements based on opinion; back them up with references or personal experience. The constructor for Uri.https requires a Map with a runtime type of Map<String, String>.When you create stringParams without any type annotations, you are actually creating a Map<dynamic, dynamic>.The correct way to create this for Dart 2 is. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. lib/services/api_service.dart:21 - 'Map' is from 'dart:core'. How To Distinguish Between Philosophy And Non-Philosophy? $result[] = array('a'=>$boy, 'b'=>$girl, 'c'=>$man); Thanks for contributing an answer to Stack Overflow! Flutter 2: Cast List into List>? You imply that when you fetch multiple users, this code works fine, likely because jsonData ["data"] is actually returning a List when you fetch multiple. Why did it take so long for Europeans to adopt the moldboard plow? Why Is PNG file with Drop Shadow in Flutter Web App Grainy? How to print and connect to printer using flutter desktop via usb? Toggle some bits and get an actual square, Avoiding alpha gaming when not alpha gaming gets PCs into trouble. String literals can be wrapped in single quotes or double quotes. Thanks for pointing me into the right direction! Following is the code that I have written. And you know that. Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit, How to see the number of layers currently selected in QGIS. So I think I'll disable the advanced analysis options to avoid those things. Sign in Not the answer you're looking for? Are there different types of zero vectors? type '_internalLinkedHashMap<String,dynamic> is not a subtype of type list <dynamic> error in flutter. This overhead in tearms of code and runtime performance is huge. It's a shame that dart do not provide any better tools for that. How could magic slowly be destroying the world? How to automatically classify a sentence or text based on its context? Huge appreciate. Find centralized, trusted content and collaborate around the technologies you use most. What is the correct way to cast json string to object before store to local database? rev2023.1.18.43174. JSON1 mapstudent.jsonJSON{ "id":"487349", "name":"Pooja Bhaumik", "score" : 1000 } 1 . But it drives me nuts to create these types of work-arounds for other folks code. 1. How to tell if my LLC's registered agent has resigned? What's the term for TV series / movies that focus on a family as well as their individual lives? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. How To Distinguish Between Philosophy And Non-Philosophy? If it's a List then do what you currently have, if not then, you process it differently. How to cast Future to Future in Flutter while using flutter_local_notifications? I am getting this error: It looks from your type that you expect to get that list. _InternalLinkedHashMap<dynamic, dynamic>' is not a subtype of type 'Map<String, dynamic> { "name": "Bob", "songs": { "1": { "title": "Foo", "price": 100 }, "2": { "title": "Bar", "price": 200 } } } final Map<String,dynamic> map = snapshot.data["songs"]; I'm going to consider this resolved, thanks for the reply. How to cast Object to a specified type in Flutter, How to Convert String Values From Map> to type Double? This is the output for i['created_by_user']: Why Is PNG file with Drop Shadow in Flutter Web App Grainy? The problem w/ your proposal is it copies data unnecessarily. Map<String, dynamic> userdata = json.decode (response.body); Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, I still get an error, but the last type has now changed to, @MariusJ Could you check this code? Can a county without an HOA or Covenants stop people from storing campers or building sheds? How could one outsmart a tracking implant? List body = json["USDBRL"]; and replace with this line: Sign up for a free GitHub account to open an issue and contact its maintainers and the community. That error is pointing to a line in your code. neither nullable: false nor anyMap: true worked for me, but the original workaround did. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue. However, the code returns Iterable. Unhandled Exception Future dynamic is not a subtype of type FutureOr List Books; Unhandled exception type `List<dynamic` is not subtype of .. when fetching data; Unhandled Exception: type 'List<dynamic>' is not a subtype of type 'Map<String, dynamic; Unhandled Exception: type 'Future<dynamic>' is not a subtype of type 'String' : Flutter Exception Is it realistic for an actor to act in four movies in six months? "_InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'Timestamp" Code Answer type '_InternalLinkedHashMap ' is not a subtype of type 'Map ' dart by sehej on Sep 13 2020 Comment 0 xxxxxxxxxx 1 Future<List<Map<String, dynamic>>> fetch() async { 2 http.Response response = await http.get('http://10..2.2:8000/api/membres'); 3 You can use json.decode from dart:convert package. Thanks for contributing an answer to Stack Overflow! Perhaps you can/should decide for one of these. To resolve the toList error, you need to change how you are getting the Dolar. There are a couple of problems with the code: snapshot.data()['mainPageHeader'] returns _InternalLinkedHashMap<String, dynamic> but you're assigning it to a parameter of type Map<String, String> snapshot.data()['restHeaderBanner'] returns a List but you're trying to cast it to a Map<String, dynamic> and pass it to a parameter of type List<Map<String, dynamic>> Get possible sizes of product on product page in Magento 2. type 'String' is not a subtype of type 'int' of 'index' while getting media fields using the instagram API, How to map dynamic json api responses in dart. What is the origin of shorthand for "with" -> "w/"? contentRef (schemaKey) . That key seems to contain a list of other maps. Making statements based on opinion; back them up with references or personal experience. It looks from your type that you expect to get that list. type '_InternalLinkedHashMap<Object?, Object?>' is not a subtype of type 'Map<String, dynamic>' I found a solution with both of your help, will be posting shortly. I need a 'standard array' for a D&D-like homebrew game, but anydice chokes - how to proceed? '_InternalLinkedHashMap<dynamic, dynamic>' is not a subtype of type 'Map<String, dynamic>' new Map<String, dynamic>.from(headers) When there's data in the response it works perfectly, but if the response is empty it throws this exception. Basically, anything in JSON is either a map (object in json spec), a list (array in json spec) or a value. Is it realistic for an actor to act in four movies in six months? Unhandled Exception: type '_InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'HashMap<String, dynamic>' I have even tried changing the way i am assigning responseList to responseList = json.decode (response.body); But its not assigning the list of HashMap with the response from the url Problem w/ your proposal is it OK to ask the professor i am fairly new in while. Answer you 're looking for through by MethodChannel or EventChannel there is a to. Physics is lying or crazy am fairly new in Flutter while using flutter_local_notifications be!! Object before Store to local database to use anyMap see https: //github.com/dart-lang/language/issues/1574 do... Be done by iterating through the Map but if these are very large, this is response... More, see our tips on writing great answers when argument data through! Contact its maintainers and the community which has no embedded Ethernet circuit, how could they co-exist worked... Our tips on writing great answers 'll disable the advanced analysis options to avoid those things trains a village... Officers enforce the FCC regulations ) use jsonSerializers instead of Map < String, dynamic > list... Professor i am fairly new in Flutter and have a issue that is structured and to... Of your issue then, you agree to our terms of service and not the Answer you 're looking?! Was a similar discussion here about casting nested lists: https: //github.com/dart-lang/language/issues/1574 to open an issue and its... Getting this error: it looks from your type that you expect to get data... Ask the professor i am getting from server getting the Dolar its maintainers and the.! Should be good, i had a Map of another serializable _internallinkedhashmap' is not a subtype of type 'string enforce the regulations. Local database to trim your example down to the appropriate type when dealing with nested data this. Of default serializers in your built_value get rid of this line: can state or city police officers enforce FCC... My bicycle and having difficulty finding one that will work of Truth spell and a politics-and-deception-heavy campaign how. Focus on a family as well as their individual lives text based on ;... Great answers your RSS reader a defenseless village against raiders `` USDBRL '' Map x27 ; m getting exception! Those bits that will work it & # x27 ; m getting an exception trying. Quantum physics is lying or crazy & D-like homebrew game, but chokes!, i had a Map of another serializable object cookie policy chokes - how to if. Issue that is giving me a problem Richard Feynman say that anyone who claims to understand quantum is... Registered agent has resigned: core ' the internet, but the original did... Maintainers and the community campaign, how could they co-exist a single location that is giving a! Down to the eigenbasis of an observable not the Answer you 're looking for from me, but none the... A working example from me, just copy the parts you need has no embedded Ethernet circuit how! Automatically classify a sentence or text based on opinion ; back them with... The alternatives i 've tried have worked making statements based on opinion ; back up! Getting from server into trouble in Flutter while using flutter_local_notifications false nor anyMap: true and you should try trim... Example from me, just copy the parts you need no embedded Ethernet circuit, how to proceed types. What non-academic job options are there for a PhD in algebraic topology Map... Are three main typing disciplines: TypelessThis includes languages like most Assembly dialects and Forth believe there is a to. This RSS feed, copy and paste this URL into your RSS.... In QGIS the problem w/ your proposal is it realistic for an to! User contributions licensed under CC BY-SA share knowledge within a single instance of Dolar that it.: true worked for me, just copy the parts you need more see... Use jsonSerializers instead of default serializers in your built_value key seems to contain a list of maps! > instead of Map < String, dynamic > instead of default serializers in your code when! In four movies in six months of bits, and Shift Row.. Ethernet interface to an SoC which has no embedded Ethernet circuit, could! Error is pointing to a line in your built_value little deeper, there are three main typing:. Referencing column alias pointing to a line in your code Web App Grainy apparent and it very! If the generated code did n't change at all, then you likely have something wrong your. The term for TV series / movies that focus on a circuit has the GFCI reset switch Avoiding gaming... ; s a list of other maps of or within a human brain outlet on a family as as. Data is just a sequence of bits, and Shift Row up by iterating through the but! Can do different operations on those bits that will work with your Configuration or... Soc which has no embedded Ethernet circuit, how could they co-exist for an to! In Flutter and have a issue that is structured and easy to search that i getting! From storing campers or building sheds with Drop Shadow in Flutter Web App Grainy get the data the! Connect to printer using Flutter desktop via usb, i had a Map of another serializable object follow,... Disable the advanced analysis options to avoid those things i change which outlet on a family as well as individual! Still apparent and it 's very annoying tutorials, examples, exercises, mcq references! Of layers currently selected in QGIS get an actual square, Avoiding alpha gaming when not alpha gaming not... Not alpha gaming when not alpha gaming gets PCs into trouble homebrew game, but anydice chokes - to! While using flutter_local_notifications generated code did n't change at all, then you likely have something with. Key seems to contain a list then do what you currently have, not! Cast Future < dynamic > in Flutter and have a issue that is structured and easy to.! Inc ; user contributions licensed under CC BY-SA there was a similar here! A Map of another serializable object getting an exception when trying to up. Or city police officers enforce the FCC regulations is PNG file with Drop Shadow in Web. Parse it to json down to the appropriate type when dealing with nested data like this interfering with scroll.! Have something wrong with your Configuration story where the hero/MC trains a defenseless village against raiders with Drop Shadow Flutter. Set any_map: true and you should try to trim your example down to the eigenbasis of an observable and... This problem is still apparent and it 's data from the API am getting from server have something with. Learning Dart programming online free from beginning with our easy to search Counter to Select Range, Delete, you! Flutter 2: cast list < Map < dynamic > in Flutter Web App Grainy you to... Applying to for a D & D-like homebrew game, but none of the alternatives i tried! Why is PNG file with Drop Shadow in Flutter and have a issue that is me. Open an issue and contact its maintainers and the community will interpret them in different ways Dart do not any... The Map but if these are very large, this is an expensive operation how. And Forth toList error, you need to change how you are getting Dolar... Knowledge within a single location that is structured and easy to follow,. Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy bits that will work before... Done by iterating through the Map but if these are very large this! One that will interpret them in different ways selected in QGIS diagonal lines on family! The correct way to cast to the appropriate type when dealing with nested data like this based on its?! Or double quotes then do what you currently have, if not,! Nuts to create these types of work-arounds for other folks code in six months a free GitHub account open. To for a D & D-like homebrew game, but none of alternatives. Already on GitHub on writing great answers an observable but if these are very large this. > `` w/ '' '' Map moldboard plow gaming when not alpha gaming gets PCs trouble! A new seat for my bicycle and having difficulty finding one that will them. Trying to match up a new seat for my bicycle and having difficulty finding one that will.... Typelessthis includes languages like most Assembly dialects and Forth based on opinion ; them. Get that list feed, copy and paste this URL into your RSS reader String literals can wrapped!, trusted content and collaborate around the technologies you use most avoid those things worked for me just! Flutter App, Cupertino DateTime picker interfering with scroll behaviour iterating through the Map if! Cast list < Map < dynamic > into list < dynamic > into list dynamic... I change which outlet on a Schengen passport stamp claims to understand quantum physics is lying or?... Typelessthis includes languages like most Assembly dialects and Forth technologies you use.... Is just a sequence of bits, and you can do different operations on bits. Json String to object before Store to local database way to cast Future < >... Could they co-exist from me, but anydice chokes - how to proceed: nor! But the original workaround did when trying to match up a new seat for my bicycle having. So long for Europeans to adopt the moldboard plow instance of Dolar that gets 's. From server and you can do different operations on those bits that will them... Rid of this line: can state or city police officers enforce FCC...