Asking for help, clarification, or responding to other answers. We provide programming data of 20 most popular languages, hope to help you! We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. Share Improve this answer Follow answered Jun 9, 2020 at 19:04 Sanjay Sharma 3,337 2 21 37 1 Thanks bro , i changed double to var in Data class - ABDULKARIM ALBAIK You only need to add .toDouble() function to last returned value. as String' is not a subtype of type 'int'. A Dart type cast and type test ( as respectively is) will check whether a given entity has the requested type, it never changes the entity itself. Why do American universities have so many general education courses? Does balls to the wall mean full speed ahead or full speed ahead and nosedive? Sanjay Sharma 3060 score:0 Maybe you puted double type value in String type field. Android studio give me this message: type 'int' is not a subtype of type 'double' My problem almost from my mo. Data that are stored in json are of type Number. Connecting three parallel LED strips to the same power supply. 130. Is there any reason on passenger airliners not to have a physical lock between throttles? I am trying to get the double value from JSON and i am getting this error. In my case, this error was because I had to represent my number as a double value, not an int value. the purpose of answering questions, errors, examples in the programming process. I am using CoinMarketCap API to fetch coin's data from server ,so i have a problem ! Flutter: Exception: type '(dynamic, dynamic, dynamic) => void' is not a subtype of type '(String, dynamic) => void' of 'f', type 'int' is not a subtype of type 'double' -- Dart/Flutter Error, Charts:The argument type 'Future
>>' can't be assigned to the parameter type 'List>'. Flutter: How to pass variables from StatelessWidget to StatefulWidget, issue with cloud firestore firebase query in flutter. But avoid . 99. How to navigate without context in flutter app? We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. To fix type 'double' is not a subtype of type 'String', you need to find out the parameter which is returned as a double and you are trying to initialize it to a string variable. Is it correct to say "The glue on the back of the sticker is dying down so I can not stick the sticker to the wall"? What is the best practice? flutter : how to access/manipulate gridview's cell value. I am using num type in dart to parse json data, As our server implemented in NodeJS, integer and double type has no meaning, when the server send a json field with value 4 and 4.0 both are 4 in json string, So I used num to parse json numbers, In my flutter app, I need to pass parsed data to a double variable, When server send number with fractional part (i.e. Thanks for contributing an answer to Stack Overflow! Thanks for contributing an answer to Stack Overflow! By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Unhandled Exception: type 'List' is not a subtype of type 'List