WebJun 14, 2024 · I am having trouble trying to iterate over a JSON array of objects from a remote URL using Flutter's FutureBuilder. My goal is to: Fetch JSON data from an API. Output the data into a 2 column gridview layout. The JSON data is an array of objects (or a List of Maps in dart), the objects have simple string data. WebJun 22, 2024 · I have data in json format where one field subtitle has list of data again. How can I iterate through this list which already inside a list. here is the code. How can I iterate through this list which already inside a list. here is the code.
Flutter for loop to generate list of widgets - Stack Overflow
WebMay 9, 2024 · So i need a proper looping structure in Dart that can be generic to handle it. I have successfully parse the main Array but I cannot parse the subCaterory and type under subcategory. This is How I iterate: @override void initState () { super.initState (); for (int i = 0; i < (Jsons.hotelListJson ['hotelData'].length); i++) { var currObj = Jsons ... WebAug 3, 2024 · I recently started with Flutter. My App runs a sqflite database and I want to get all the data out of it and show it in a Row Widget in my App. I know how to get the data and I know how to build the Widgets. I´m so confused, I have no idea how to convert the data that I get from the database to a List (with that I could build my widgets). 20明宫01
flutter - Dart: How to iterate over objects in an array in a nested …
WebJul 15, 2024 · How to extract key and value from JSON Object in flutter. Ask Question Asked 1 year, 9 months ago. Modified 1 year, 9 months ago. ... or iterate the list if it contains more elements. – Jeppe. Jul 15, 2024 at 7:30. I got only one obejct in response and keys always change from backend side.so I want key sfrom response – androidleraner. … WebApr 3, 2024 · Iterate through map data within a nested sub-map. Our app receives nested JSON data from Firebase. We store this data in List of Object Item & Object Order. Object Order can have multiple attributes, int price; List item; itemDecription. Sublist item can have multiple strings of itemName. WebJan 30, 2024 · The problem is I cannot loop through the grouped data. I need to access the count for some manipulation for each grouped name. ... I wanted to loop through the v to generate objects. newMap = groupBy(partySnapData, (obj) => obj['party_name']); for(var v in newMap.values) { print(v); //below is the solution v.asMap().forEach((i, value) { print ... 20方管规格表及重量