I faced a VM Exception while processing a transaction: out of gas error in contract. Here's my truffle-config.js file: development: { "http://127.0.0.1:8545
I'm trying to start a new screen within an onTap but I get the following error: Navigator operation requested with a context that does not include a Navig
How to hide the Android Status Bar in a Flutter App?
I am new to Dart/Flutter. So forgive me. I am trying to create a Object class mentioned as TestData below. And one of the variables in TestData is a Map of Test
Obviously, flutter is a framework for running apps on iOS and Android using one codebase. But how does it manage to do so? Will it compile to native code, or is
Just added desktop support to my flutter app, it runs fine in the android emulator, but wont render any element in neither browser nor desktop, just a simple bl
I am making a basic shopping app .My idea is to make a list tile of my products so that I could edit or delete the products . So when i navigated to that page
I want to use the http package to send notifications to topics through the flutter app using the docs as in https://firebase.google.com/docs/cloud-messaging/sen
I would like to create a hyperlink to display in my Flutter app. The hyper link should be embedded in a Text or similar text views like: The last book bought
I'm used to provider's Provider.of() call to get a provider from elsewhere in the widget tree, but every Riverpod resource I've found relies on having access to
Suppose there are two models User and City @JsonSerializable() class User { int id; String name; City? city; List<Map<String, City>>
I am trying to save the document id in the a new field but if i use 'postId': _firebase.collection('Posts').doc().id, this will generate a new id any suggestio
I have a scrollable ListView where the number of items can change dynamically. Whenever a new item is added to the end of the list, I would like to programmatic
I am trying to fetch a list from API that is two methods fetchImages and fetchCategories. the first time it is showing a red screen error and then after 2 secon
Although questions with such error messages exist in this site, none solves my problem. I have a button and on clicking the button, I just need to go to a diffe
I am trying to fetch a list from API that is two methods fetchImages and fetchCategories. the first time it is showing a red screen error and then after 2 secon
I have a User class which contains a Purchase class. I want to make it non-nullable, but not required. So this means that I would need to set a default value. I
It's maybe a stupid question, but I don't know how to make a dropdownbutton that go up and no down when it is focused. Maybe I need to create my own ? Or is it
I want to create an app which allows to put lock on the other apps that are to be protected in the device. This app lock will start automatically before opening
I have used the location plugin in the flutter, I can get the latitude and longitude only. How to get the full address details. Codes on below. Future<Map&l