Flutter return list of widgets

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August undefined, 2024

Webscore:1 Accepted answer First you cant use an arrow function to return multiple values, you need to change it to a normal function that returns a list of widgets. Second, you need to use the .toList () method since .map is lazy and you need to iterate in order to map execute. WebMar 6, 2024 · It could look like following: Future> usersFuture = getUsers ('DcofOiHWcjbjD0i18miW'); Create the future as member variable so you only fetch once (in case the method initiates a new future each time you call it). And then use it …

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WebAug 16, 2024 · How to return [ ] in flutter? Ask Question Asked 3 years, 7 months ago. Modified 3 years, 7 months ago. Viewed 6k times ... (BuildContext context) { return [ // list of widget ] } I want to implement like this // Other Page. new TabBar( tabs: Tabs() ) flutter; dart; Share. Improve this question. Follow asked Aug 16, … Web22 hours ago · listing flutter grid widget that have different width. i'm trying to make a container with a list of element like showen below in picture 1. i used gridView.builder to make it responsive so the elements will be next to each other and in case there's no space it will return to next line. but the problem here is with gridView.builder the elements ... cups in a pound cheese

flutter - Can a StreamBuilder return List - Stack Overflow

WebMay 7, 2024 · => is short for return so you could have written Row ( children: words.map ( (word) { returnText (word)} ).toList () ); Lastly, Row expects a List of widgets whereas map gives an Iterable thus we use toList () to get a list of widgets. EDIT: If you need to access the index of element, then WebMar 7, 2024 · You could use the Map.map () function to obtain a new Map and then use this new map's values: children : options.map ( (entry) { return MapEntry (entry.key, /*here create the widget from entry.key and entry.value*/);}).values.toList (). – user Mar 7, 2024 at 9:40 WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. easy covers to draw for fact fluency

Create lists with different types of items Flutter

Ternary operator in Flutter to return List

WebMay 31, 2024 · Hello, and welcome to the last episode of this Flutter series! ? In the previous episodes, we looked at some basic Dart and Flutter concepts ranging from data structures and types, OOP and asynchrony … WebMar 17, 2024 · First, you should make your contents array type-safe for easier data handling. Something like this: List> contents = [ { 'chapter': 'Chapter 1 ... cup singlesWebOct 14, 2024 · As pointed out by other answers, the _buildUserGroups (context) is the problem, as it returns a list of widgets, resulting in a nested list. Since Dart 2.3 (introduced to Flutter at Google I/O '19), you can use the spread operator ..., which will unwrap the inner list, so its elements become elements of the outer list: cups in a pound of powdered sugar

"WebHere’s how you can create such a structure with Flutter: Create a data source with different types of items. Convert the data source into a list of widgets. 1. Create a data source with different types of items Types of items To represent different types of items in a list, define a class for each type of item. " - Flutter return list of widgets

Flutter return list of widgets

[Solved]-Return a list of widgets in Flutter-Flutter

WebAug 5, 2024 · 3 Answers. generate a list from your d parameter and then generate a list of text field and text editing contotlers from that list. createTexttextfields (int d) { var textEditingControllers = []; var textFields = []; var list = new List.generate (d, (i) =>i + 1 ); print (list); list.forEach ( (i) { var ... Web2 days ago · If you really need this (see comment from @YeasinSheikh) you need to make sure that these global keys are unique within your application. To do so, you can add a GlobalKey to every instance of your MyHomePage and use this key combined with the key you use for the Chip widgets.. Try this code:

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WebFeb 22, 2024 · When you declare a FutureBuilder you have also to pass it it's data type. In this case it will be: FutureBuilder> ( future: getData (), builder: (context,snapshot) { return ...; } ) If you don't declare its datatype, your snapshot will be considered as an AsyncDataSnapshot instead of … Webflutter-complete-guide-course-resources / Code Snapshots / 05 Interactivity & Theming / 23 Added Chart Widgets / lib / widgets / expenses.dart Go to file Go to file T

WebFeb 18, 2024 · You could use the map method of your list of Strings. Widget _getListWidgets(List yourList){ return Row(children: yourList.map((i) => … WebFeb 22, 2024 · 4. I am using PageView builder in my flutter app to display scrollable cards. For that I have first created a widget _buildCarousel and widget _buildCarouselItem to display it using my defined by defined widget for card. I have also defined a List of Maps ( eventsData) for the events' data. Widget _buildCarousel (BuildContext context) { List ...

WebApr 2, 2024 · Flutter Inspector is a powerful tool for debugging Flutter apps. It allows developers to inspect and manipulate the widget tree, view performance metrics, and more. Flutter Inspector can be accessed through the Flutter DevTools browser extension or through the command line. Here’s an example of using Flutter Inspector for debugging: WebJun 29, 2024 · List _getActionWidgets () { return StreamBuilder ( ... // what can be done here so that this method would return List ); } Most of the examples out there are for " ListView " using the ListView.builder (...) which is …

WebListView.builder ( itemCount: get.length + 2, // add room for the two extra itemBuilder: (BuildContext context, int index) { if (index == 0) { return Text ('Custom any widget'); } if (index == 1) { return Text ('Custom any widget'); } index -= 2; // decrement index so that it's now in the range [0..length] return Bubble ( style: styleSomebody, …

WebMay 10, 2024 · I have simple method like this: List stringsToWidgets ( List? a) { List b = []; for (var item in a) { b.add (Text (item)); } return b; } Column (children: stringsToWidgets ( ["1", "2", "3"])); I have column, and children of it come from this method. How to do it faster in place, without this stringsToWidgets method? easy covid mealsWebApr 4, 2024 · The Stateless device is one of the fundamental widgets in Flutter. A Stateless Widget will define a part of the user interface by creating a constellation of the other widgets, which will define your user interface more concretely. The building procedure is constantly recursively until a description of the user interface is completely concrete. cups in galWebApr 4, 2024 · The Stateless device is one of the fundamental widgets in Flutter. A Stateless Widget will define a part of the user interface by creating a constellation of the other … easy cover recliner outdoorWebJun 6, 2024 · You can also adjust the UI hierarchy to move the Widget that indicates loading status to the more suitable place. For example, when the applicants is null, return Text(“Fetching from mongodb”), otherwise return the applicants list. – cups in half gallonWebscore:1 Accepted answer First you cant use an arrow function to return multiple values, you need to change it to a normal function that returns a list of widgets. Second, you need to use the .toList () method since .map is … cups in cereal boxesWebDec 21, 2024 · 1 Answer Sorted by: 5 You can't return a List with build method. build method can only return a Widget . If you want return a List then you create a function and return a List which can be used in children property of … cups in grammiWebDec 22, 2024 · Widget1 does not need to be hooked up to state, and so I don't want it to be rerendered when it changes. It would be great if List.generate could be hooked to a Consumer, but builder needs to return a single Widget, not a list of Widgets. I've tried using the Wrap widget around the list, and hooking that to a Consumer. This … cups in grammar