Flutter/Dart global List variable changed in a foreach loop is unchanged after the loop

I have a list declared outside a for loop and then I assign some values to this list inside that for loop and its value is updated when printed inside the loop but whe...

Dart/Flutter Firestore Query Doucments to List Problems

<pre><code>Future&lt;List&lt;CryptoWalletModel&gt;&gt; getUserWalletData(String uuid) async { String _dbPath = '${DatabaseGlobals.collectionUsers}/$uuid/${DatabaseGlo...

I need multiple indexes of a list displayed in a text area

I am trying to fill a list of products and other correlating items but am struggling to figure out how to get them to print out each product to its own area. I can get...

How to Async/await in List.forEach() in Dart

I'm writing some kind of bot (command line application) and I'm having trouble with async execution when I'm using the forEach method. Here is a simplified...

Incrementing count inside List.map()

I have a list of weekdays <code>var _weekdays = ['Monday', 'Tuesday','Wednesday', 'Thursday', 'Friday','Saturday','Sunday'];</code> And I have a list of 7 docu...

Dart/Flutter batching of a forEach() loop?

I have the following code to make calls to an API to get my data and then parse the results. It's my understanding that "async" on the forEach loop is NOT blocking, he...

Flutter - setState not updating a List inside a ListView.separated

I am saving a list of favorites in my game app, I can add or remove games from the list, but on the removeFavorite method, when I use setState in "<strong>games.remove...

Is there a way to access the index/key in a ForEach with Dart/Flutter

I'm attempting to run the following foreach loop so I can remove a specific entry. <pre><code>textMap.results.forEach((element) { textMap.results.removeAt(**ele...

how to use foreach method in flutter

this is my submit function every things is fine but _imagesAssets.forEach not run and _images list will be null.any idea will be greate <pre><code>if (_formKey.cu...

How to stop/break forEach loop in dart /flutter?

I want to break the forEach loop after the for loop execution is done. <pre><code> void main() { var id = [1, 2, 3, 4, 5]; id.asMap().forEach((inde...

Dart Not understanding how forEach is supposed to work

I simply wanted to use <code>forEach</code> to set all values in a <code>List</code> to false, but I don't understand why it doesn't work. I created a filled list with...

How to get index number forEach iterable value in Dart (Flutter)

I need the <strong>index</strong> number <strong>forEach</strong> iterable value because I want to update my data table. But for updating the data table I need the col...