WebJan 17, 2024 · Im trying to get the index of and item inside a list which is inside a Column() in flutter, how do I do that? I've tried making a var called index and set it to 0 and have it increment by each item that is build but it doesn't seem to work out and I don't know why. And it can't be made with ListView.builder() because of some other reasons. My ... WebFeb 15, 2024 · /// The first index of [element] in this list. /// /// Searches the list from index [start] to the end of the list. /// The first time an object `o` is encountered so that `o == element`, /// the index of `o` is returned. Pay special attention to the o == element meaning that the item that you're trying to find has to implement the == operator.
How do you get list Index in flutter? - Sanjib Sinha
WebNov 5, 2024 · If you have to search in respect to any value in Map then you can do the following. int index = user.indexWhere ( (item) => item.containsValue (a)); Share. Improve this answer. Follow. answered Nov 5, 2024 at 9:32. Chinmay Mourya. 734 4 9. WebSep 20, 2024 · We can use indexOf, or indexWhere. Both return the first index of first element in the list. On the contrary, lastIndexOf and lastIndexWhere return the index of the last element. Suppose we want to implement the above Dart code in a Flutter app where we want to select an index of the List and display the associated value in bold. mchc levels high
Flutter; replace item in list - Stack Overflow
WebFeb 9, 2024 · 0. Hello I am not sure that I am giving the best answer, but here are some options: Please try titleItem [0] Use one of the following : .key, .value, .first. Share. WebDec 3, 2024 · Your question is so vague. I will assume that you are looping on a list and want to show a specific widget when it comes to the last element. so all you have to do is just check if the index you are at is equal to the length of the list -1. i.e WebSep 20, 2024 · We can use indexOf, or indexWhere. Both return the first index of first element in the list. On the contrary, lastIndexOf and lastIndexWhere return the index of … liberty patch for balance