WebJan 13, 2024 · in x.dart (which has a stateful widget), outside the build function: var dataSource = new Datasource (); //an example function: getData () async { await … WebThanks for @Jack I could find the solution: import should be import 'package:http/http.dart' as http; And Response response = await post (url, headers: headers, body: params, encoding: encoding); Should be changed to var response = await http.post (url, headers: headers, body: params, encoding: encoding); async-await Share Improve this question
How to use Functions of another File in Dart / Flutter?
WebMay 5, 2024 · class Controller extends GetController { static Controller get to => Get.find (); List img = List (); takeImage () { File images1accom = await ImagePicker.pickImage (source: ImageSource.gallery); img.add (images1accom); update (this); } } // use it: class ChoosePic extends StatefulWidget { ChoosePic ( {Key key}) : super (key: key); @override … WebMar 3, 2024 · 1. The first step is to open your flutter project and select the lib folder. 2. Now we would make another folder named ad modules inside the lib folder. We have to put all the files inside the lib folder in order to make the use. 3. As you can see in above screenshot there are 1 modules name folder, our main.dart file and textmsg.dart file. rawgear net worth
How to use Functions of Another File in Flutter? - GeeksforGeeks
WebFeb 16, 2024 · Define your function in a file, say global.dart: void func () => print ('Hello'); To use it in any file, just call: func (); 2. Static function in a class: Create a class, say Foo and define your function in it: class Foo { static void func () => print ('Hello'); } To use it … WebMay 17, 2024 · Just include this file in your main file and call this function. If this function is a part of another class then you have to firstly instantiate an object of that class on which you can call the method you want. If that function is marked as "static" than you can call it without instantiating object. WebOct 23, 2024 · 1 Answer Sorted by: 1 You can pass a function as a parameter. @override Widget build (BuildContext context) { body: WalletContent (showDialogWith); } Add a Function field into your WalletContent and assign it to your MaterialButton simple diy halloween costume