What is the equivalent of onExpansionChanged for Flutter ExpandablePanel

I would like to call a fonction when my <strong>ExpandablePanel</strong> is expanded, with <strong>ExpansionTile</strong> I do this with <em>onExpansionChanged</em> bu...

If a String in a Map in Firestore Database is true, I want to then show a checkmark Icon next to that String

I have two apps -- Call them App#1 and App#2 I have a list of questions in Firebase that are composed of different Strings that can then hold a boolean value. W...

Flutter - How can the App Automatically Add List Tiles?

I am new to flutter and have a specific question. What methods would be able to add a list tile to an existing page as a result of a periodic timeline? F...

type bool is not a subtype of type double? in type cast in ExpansionTile after removing one of the list Item flutter

I've been made a list of Card and ExpansionTile with a list view builder, because of saving last values in textformfields I've used key for ExpansionTile as a type of...

How to place two switchListTIles next to each other, like in a Row in flutter?

I wanted to do 2 things in flutter: <ol> <li>change the space between the title and switch of a switchlisttile().</li> <li>place two switchlistTiles next to each o...

ListTile onTap property does not work. What is required for it to be triggered?

I am using ListTile in my application. I have an application like below and onTap feature is not triggered here. I never understood why. I know it's a bad quest...

ListView with Tiles not working in Flutter

Why is my ListView not showing the expected tiles ? <pre><code>class DepartureCell extends StatelessWidget { @override Widget build(BuildContext context) {...

Trying to build Listview but I cant add any method to the Expansion tile

I have the following code to build a listview from local JSON file and it works perfectly fine. However, when I try to add a method such as <code>onTap: (){}</code> to...

ExpansionTile lagging when expanding with a lot of children

<strong>Hello !</strong> Everything is in the title. I have an expansion tile to show members of a group. When lots of people are in a group (here 47), t...

How to add two icon sin trailing of ListTile using Column

I am trying to add two icon in trailing of ListTile, and i want then i column but can't fix the render flow error, please help how to do this. here is the code<...

How to place a Text/ListTile widget (inside Drawer) at the very bottom of the phone screen

So my problem is very simple but I had a bit of trouble with it. I want my Text/ListTile to be at the very bottom of Drawer, it something like a copyright statement bu...

Can someone show me what i am missing in my code? I am trying to display sub-category as a dropdown in category screen in flutter using extension tile

can someone help me figure out what i'm doing wrong? I have a category screen and I have a list-view of all my parent categories on the left and my main categories fil...

_TypeError (type Futuredynamic is not a subtype of type bool) Flutter

I'm wanting to change the border according to the selected address of a card in Flutter, I did a check with a ternary operator, and a method that returned either true...

How to reduce Flutter expansionTile height

I want to reduce the height of an expansionTile, I have tried <a href="https://pub.dev/packages/configurable_expansion_tile" rel="nofollow noreferrer">Configura...

How to watch when the Slidable changes state on Flutter

I'm utilize o <a href="https://pub.dev/packages/flutter_slidable" rel="nofollow noreferrer">Slidable</a> on app Flutter and put as ListTile child. So far ok.</p...