I've got the following future method which fetches a string from a PHP/Mysql database. <pre><code>Future<String> getCount({ String audioid,}) async { final...
How to declare a variable depending on if statement in Dart? In Kotlin it would look like this: <pre><code> val max = if (a > b) { a } else {...
I've got Container with ListView Builder with child widget placed in separated file. <pre><code>itemCount: articles.length, itemBuilder: (context, index ) => al...
I followed this <a href="https://codelabs.developers.google.com/codelabs/flutter/" rel="nofollow noreferrer">code lab</a> to learning Dart/Flutter. I tried to edit som...
I am using this <a href="https://pub.dev/packages/flutter_dotenv#-installing-tab-" rel="noreferrer">library</a>. I want to define a variable for host and port in `.env...
Whenever i try to run a flutter command (in cmd), the following error occurs : <blockquote> 'where' is not recognized as an internal or external command, o...
Okay, I am sure this is probably an easy to answer question, but after much searching I can't put my finger on the solution. How does one in Flutter/Dart creat...
<a href="https://i.stack.imgur.com/9igWa.png" rel="nofollow noreferrer">error in adding variable name gender</a> <pre><code>class _InputPageState extends State<...
I'm new to Dart and I'm hoping someone can explain this variable scoping warning. When I use the following: <pre><code>enum fruits {tomatoes, apples, orange...
I started developing on an existing flutter application and see that they have used regular .dart files to keep the api and secrets. This is of course in the .gitignor...
Through textfield inputs, age of user is obtained with the following code (truncated for simplicity): <pre><code>onChanged: (valueYear) {...
Error : The instance member 'widget' can't be accessed in an initializer. Im creating a bar chart with getx controller, i want to retrieve values from firebase...
I have this error in my Flutter app: <blockquote> <strong>NoSuchMethodError: The getter 'text' was called on null. Receiver: null Tried calling: text S...
I am trying to permanently add flutter to my PATH. I will tell you what I previously did. So I unzipped the MacOS version in my user folder. Then I went into my .bash-...
I have a simple class like; <pre><code>import 'dart:io'; class IDCardClass { File frontImageFile; File backImageFile; } </code></pre> From <code>front_tes...
