How do I check if a List of Maps List<Map<String, List<CustomObject>>> listOfMaps does not contain a specific key? I am looping through listOfMaps and checking if a map contains a specific key. If so I write over the values (code…
I have a list of maps, the problem is that if I want find some map which contains some specyfic "value" (that value is unique in whole list of maps) I need to iterate over the whole List (looking for…
I have a state with multiple variables im changing the state with setters state but every time i change the state with setter state variables reset to initial state here is my state const AuthSignInState({ this.signUpType = 'email', this.errorMessage =…
Error: Dart library 'dart:ui' is not available on this platform. import 'dart:ui' show lerpDouble; im trying to run a dummy flutter project and it shows me error it is not running properly i want it to run properly erorr arise…
I'm trying to implement a bottom navigation bar with bloc. I defined a function, which will control the navigation. The function is inside a BLoC. My problem is, that I cannot access this function. I tried to define it outside…
this is my code class _AdminLoginScreenState extends State<AdminLoginScreen> { var _formkey = GlobalKey<FormState>(); var emailController = TextEditingController(); var passwordController = TextEditingController(); @override Widget build(BuildContext context) { return Scaffold( backgroundColor: Color(0XFFE4C9E5), body: SafeArea( child: CustomScrollView( slivers: [ SliverFillRemaining( hasScrollBody: false, child:…
Container( child: Row( children:[ Container( //icon in the left side height: 50, widget: 50, color: Colors.green, child: Icon... ), Container( //container text //width:200, if I set this width child:Text('a long text inside here...', textAlign: TextAlign.justify, ),//long text here ), ],…
I have a row widget and I want some Text to be in the very center or the Row and an Icon that will be to the left of it, and changing how far left the Icon is it is…
I have created a String Extension with my logic. I checked previously asked questions in stack overflow, but here I want to implement my code rather than following other logic... here is my effort extension StringExtension on String { String…
I am using syncfusion charts where I need to display the Y axis in compact format. Syncfusion by default offers a parameter in NumberFormat from intl to allow formatting. But the compact number symbols used in the library is below,…