I am new to the flutter and trying to understand it better. FormFieldText( label: "First Name", initialValue:firstName, validator: (value) { if (value.isEmpty) return "Name must be provided"; return null; }, onChanged: ((value) { setState(() { member?.firstName = value; }); }),…
I have a large json file like this: { "height": 2.5, "status": "open", "date": 1662645600000, "batch": { "food": { "-NBml_1X3O1H6Yrkr3LN0": { "qty": 5.35, "date": 1663004201119 }, "-NBmlcwczvQSgQauMBky0": { "qty": 5.65, "date": 1663197837636 } }, "growth": { "-NBml_1X3O1H6Yrr3LN0": { "rate": 7.35,…
I am trying to seperate or removing a string. Here the example: String sample = "https://xyz-api.portal.com/"; i want to get only "xyz-api", this string and want to store a variable, the expected output = String result = "xyz-api" How to…
I am working on an application where I capture images from a camera initialized and navigate to the next page. I am writing a method named captureImage and calling it in floatingactionbutton. Below is the code--- void _captureImage() async {…
I'm trying to send a message, but unfortunately I don't receive any notification, I tried three attempts, but none of them reached my phone Here is all the information that might be useful to you - bundle id - com.atlas.ecoCity…
We are trying to upgrade our flutter project to null safety migration using the following link https://dart.dev/null-safety/migration-guide. dart pub outdated --mode=null-safety - Successful dart pub get - Successful Migrate your code by hand- https://dart.dev/null-safety/migration-guide#migrating-by-hand - Successful dart migrate - Successful…
I want to create a similar design to this one, where the user can create a note and then this note will be displayed into the screen and the widget that holds this notes must expend the space of the…
I have a class & enum that looks like this enum UnitsOfMeasurement { meters, feet, inches, centimeters, millimeters, } class MyMaterial { final double height; final UnitsOfMeasurement unitOfMeasurement; MyMaterial({required this.height, required this.unitOfMeasurement}); } The user can change the unit of…
In the beginning, I had an error that states: "Dart library 'dart:ui' is not available on this platform". I'm running it on Android which is supported by flutter, so I made sure that I have the latest version of Flutter…
I am trying to make a simple android application with flutter and dart.While coding for the registration page I didnt find error in the file but file name reflects in red. I tried changing the file name to camel case…