WebI have a map of this type: And I want to create a DropDownButton with a list where every item contains the name of the cocktail and the image related to it. I wrote this piece of code: } but running it throws some errors Failed assertion: line 1303 pos 12: 'widget.items!.where((DropdownMenuItem WebMar 16, 2024 · We also do the opposite thing: convert a List to Map using Map.forEach(), Iterable forEach() or map() method. For more details about these methods, also many interesting thing about Dart List and Map, please visit: – Dart/Flutter List Tutorial with Examples – Dart/Flutter Map Tutorial with Examples – Dart/Flutter – Sort list of Objects
flutter - How can I find out if a List of Maps contain a specific value ...
Web2 hours ago · Flutter & Firebase Get more than 10 Firebase Documents into a Stream> 0 How can I add query to a old query in Flutter for Firebase WebI have a list of maps in dart. For example: List> questionsAndAnswers = [{'questions':'How many?', 'answer':'five'}, {'question':'How much?', 'answer':'five dollars'}]; I would like to store this list of maps into firestore and I have seen that you can manually create an array of maps but I would like to do this ... photo of diamond and silk
Dart/Flutter - Convert Map to List & List to Map - BezKoder
WebOct 20, 2024 · With a List I could simply use the index, but how would that work with a HashMap without making a List out of it? The keys of the map are strings and the values are maps with the data to display. dart; flutter; Share. Improve this question. ... Adding a List from a Map into ListView in Flutter / Dart. 0. WebApr 1, 2024 · Related Posts: – Dart/Flutter – Convert Object to JSON string – Dart/Flutter – Convert/Parse JSON string, array into Object, List – Dart/Flutter – Convert List to Map & Map to List – Dart – Convert … WebI have a map of this type: And I want to create a DropDownButton with a list where every item contains the name of the cocktail and the image related to it. I wrote this piece of … how does malnutrition affect the body