WebApr 18, 2024 · How do you get index of list of maps from a map. I tried to use indexOf which works but by the time the position of values are mixed up then it returns -1.. UPDATE: It actually doesn't work even in right order List> list = [{'id':1, 'name':'a'}, {'id':2, 'name':'b'}]; Map item = {'name':'a','id':1}; //<- position … WebSep 20, 2024 · How do you find the index of an element in a DART list? In Dart we can use various List methods to find the index. We can use indexOf, or indexWhere. Both return …
Flutter iterate through List with access to index
WebNov 24, 2024 · Access the Index on Dart List.map() The following snippet demonstrates how to access the iteration index when using List.map. It is a common need in Flutter … WebMar 9, 2014 · What about using ListComprehension? [for (int i = 0; i < list.length; i += chunkSize) list.sublist(i, min(i + chunkSize, list.length))] By using min(), you don't need to do any ternary check, and you are sure to get the remaining elements as a sublist, even though there are not enough to satisfy chunkSize. make your own egg timer
flutter - how to count number of occurrences of element in list of maps ...
WebAug 9, 2024 · Syntax of Flutter Map. { key1:value, key2:value, key3:value, key4:value. } This is how you define a map in Flutter. The curly braces defines the body of map. The comes a key value pair, key should be in string for better understanding, key can be a name like id, name, age etc. Value can be dynamic, it can be a string, integer, double, widget etc. WebApr 20, 2024 · I try this same method, but with a different list with more values in the function map. My problem was to forget a return statement. This is very important :) bottom: new TabBar( controller: _controller, isScrollable: true, tabs: moviesTitles.map((title) {return Tab(text: title)}).toList() , ), WebJun 26, 2024 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams make your own eiffel tower