WebFeb 1, 2024 · In those objects you could have the String, the icon and a boolean atributte that describes if the item is selected or not. On tap, you change the list to update the respective items on the boolean atribute and if you have that list on the state it will refresh the list and show only one item selected. class MyObject { IconData icon; bool ... WebOct 18, 2024 · 1 Answer. If you want to select only one item you can make a new value, lets call it selectedItem. then on the FlatButton onPressed callback set the selectedItem to the value of the item you want to select ( the value can be the index, id or any unique identifier maybe the item it self ). And then you can check the value in every item on the ...
dart - Flutter ListView Item Click Listener - Stack Overflow
WebOct 4, 2024 · 1 Answer. ListView.builder ( itemCount: state.services.count, itemBuilder: (BuildContext context, int index) => Dismissible ( key: Key (state.service.toString ()), onDismissed: (direction) { // Remove the item from the data source. setState ( () { x.removeAt (index); }); }, child: //your child here (maybe listivew) ), ), thanks for your help ... WebFeb 3, 2024 · Context: On the previous screen I have multiple items, and when I click on one, I need it to navigate to this screen and scroll the item selected on the previous screen to the center of the new screen. My trouble is really just with the scrolling part. Thanks in advance. ListView: final listViewController = ScrollController (); @override Widget ... how much is fan waste electricity
Listview inside DraggableScrollableSheet not scrolling in flutter
WebAug 23, 2024 · Thanks a lot for explaining out the root cause. Accepting the answer. I just have one question for my curiosity sake. I was hoping that I would have wrap the call to toggleSelected in setState but thats not what you did. Instead, this line of code setState(() => selected = !selected) looks like doing the trick. Why is setColor not wrapped in … WebListView. class. A scrollable list of widgets arranged linearly. ListView (Flutter Widget of the Week) ListView is the most commonly used scrolling widget. It displays its children one after another in the scroll direction. In the cross axis, the children are required to fill the ListView. If non-null, the itemExtent forces the children to have ... WebAug 6, 2024 · Flutter Listview onTap on Selected Item – send data to new screen. Here we need to create 2 screens and a DataModel. (Screen 1) main.dart: Will generate list of data and show in listview. (Screen 2) … how do clownfish eat