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December 23, 2022 Flutter

Use DateTime.now() whehn I create an user in flutter with firebase

Issue I want to create a model user like this : @JsonSerializable() class User { final String id; final String email; final bool isAdmin; final bool canDeleteUser; final bool canCreateUser; final String nom; final String prenom; final DateTime createdDate; final

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December 23, 2022 Flutter

Flutter – null check operator error in a child that should not be rendered yet

Issue I made a Loader widget which shows a loading indicator if isLoading = true and shows a child widget only if isLoading = false. The problem is when I use nullable data in the child, even though isLoading =

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December 23, 2022 Flutter

Casting value results in, type 'Null' is not a subtype of type 'int' in type cast, error in Flutter

Issue I’m going through a tutorial on Flutter and am receiving a run-time error, but I’m not clear why. The error I’m receiving is, type ‘Null’ is not a subtype of type ‘int’ in type cast. However, the value of

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December 23, 2022 Animation

How to create a flip countdown clock widget

Issue If anyone knows how to create this type of animation then please help me with it. I tried various packages from pub.dev but it’s not working. Please assist me with this. any help is appreciated Thanks Solution You can

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December 23, 2022 Animation

AnimationController.stop() called after AnimationController.dispose() – when using ScaleTap + TabBar on Flutter

Issue I have an UI with a TabBar and a button on each screen (I’m using the package ScaleTap for the button https://pub.dev/packages/flutter_scale_tap) I noticed that when I swipe through the pages on the TabBar very quickly, I get the

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December 23, 2022 Flutter

How to populate DataTable widget with data fetched from my API?

Issue So I try the code from following stack overflow answer How to populate DataTable with JSON API in flutter, and changed that as per my need but DataTable is not populated and displaying my error message "No data found…".

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December 23, 2022 Flutter

Check if selectedEndHour is more than selectedStartHour

Issue This is my dropdownlist for start time. I wanted to validate the dropdownlist under the condition that if the user chooses the end hour less than the start date, it will show an error. What are the steps in

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December 23, 2022 Flutter

Check if selectedEndHour is more than selectedStartHour

Issue This is my dropdownlist for start time. I wanted to validate the dropdownlist under the condition that if the user chooses the end hour less than the start date, it will show an error. What are the steps in

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December 22, 2022 Flutter

Want to set the primarySwatch as white in flutter

Issue how to change the ‘primarySwatch’ to white in the app bar – Flutter? This is what I have: , I want to change the blueGrey (portion marked in red) to white. While trying to change this from primarySwatch: Colors.blueGrey,

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December 22, 2022 Flutter

Why this image can't be loaded whenever online Javascript code editor/interpreter is used?

Issue It seems it has to do something with AmazonAWS, perhaps those services use it. I tried to load this image in UI using DartPad (Flutter mode). There are always exceptions or error when trying to render that image. The

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