WebTo get access to index, you need to convert your list to a map using the asMap operator. Example. ... String> with the DropDownMenu Widget Flutter. 0. Map a HashMap in Dart. Related. 4269. Finding the index of an item in a list. 2052. Why is using "for...in" for array iteration a bad idea? WebApr 13, 2024 · SwipeThroughText Flutter Package. SwipeThroughText is a customizable Flutter widget that allows users to swipe through a text and strikethrough it when a …
How to Add Maps in Flutter Apps - Instaflutter
WebApr 4, 2024 · If you keep a list of Maps, it will be easy to customize your resultant list view. Say while displaying the ListView you want to give a different color to the child widget based on the some other data present on the same page. It will be a lot easier and simpler to execute using a List of Map. WebCreate a data source with different types of items. 2. Convert the data source into a list of widgets. You might need to create lists that display different types of content. For example, you might be working on a list that shows a heading followed by a few items related to the heading, followed by another heading, and so on. Create a data ... tsb on 2016 dodge caravan rattle underneath
Selection disapears if widget rebuilds in the ListView #124787
WebApr 14, 2024 · You'll see the // application has a blue toolbar. Then, without quitting the app, try // changing the primarySwatch below to Colors.green and then invoke // "hot reload" (press "r" in the console where you ran "flutter run", // or simply save your changes to "hot reload" in a Flutter IDE). // Notice that the counter didn't reset back to zero ... WebMay 14, 2024 · import 'package:flutter/material.dart'; class Answers extends StatelessWidget { final Function selectHandler; final String answerText; Answers (this.selectHandler, this.answerText); @override Widget build (BuildContext context) { return Container ( width: double.infinity, padding: EdgeInsets.all (10), child: RaisedButton ( … WebJul 16, 2024 · The issues is using the ListView.builder, the builder function expects you to return one Widget at a time corresponding to the index provided. Use ListView directly instead. Example: ListView ( children: items.map ( (item) => ItemWidget (item: item)).toList (), ); Hope that helps! Share Improve this answer Follow answered Jul 16, 2024 at 12:18 philly phinest