Questions tagged [dart]

Dart is a class-based, optionally-typed programming language for building web and command-line applications. Dart compiles to modern JavaScript to run on the client and runs natively on the Dart VM for server-side apps.

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35 views

Flutter input widget with multiple options (monthly/annual/currency/percentage)

I currently have the following code to build this widget: ...
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0answers
77 views

Flutter API login using riverpod

I'm trying to use riverpod for login with a Laravel backend. Right now I'm just returning True or False from the repository. I'...
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1answer
39 views

I have a input grid with more than 40 input-fields hardcoded

I am new to flutter and i managed to build a working Grid which does what i want it to do but the code is a duplicated hell and i didn't manage to create it dynamically while still keeping track of ...
4
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1answer
75 views

Search filter for words in dart

I need to add search filters for firebase So that I can get search result easily and precisely I was altering the code from hereThis Medium Post I would like to optimize this code. ...
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0answers
38 views

Finding powers of (x+1)

It appears to me that this has been before in all languages except dart... Referenced in order btw, any improvements, any tips, any feed back would be appreciated... ...
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1answer
3k views

Flutter - Implementing a simple ListView with MVVM

I've implemented a simple ListView in MVVM that displays a few PrepSteps (short form of PreparationSteps). While implementing I wasn't sure about if my approach is "...
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0answers
605 views

Custom permission Dialog in Dart

I'm using the flutter_simple_permissions plugin to request permission to read contacts on my flutter application. I want the app to quit when a user denies the permission, and need to show them a ...
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0answers
672 views

Flutter - Set the state of the dynamically created child widgets

This is what I wan't to do: In my app I've 2 custom widgets called SelectItems. If the user clicks on item, it changes the background color. Everything is working ...
3
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0answers
105 views

Flutter: ToggledButtons using FlatButton

I'm new to Dart and Flutter and I would like to know what do you think about this code and if it's any way that I could improve it :). ...
2
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0answers
74 views

Building an app in Flutter [closed]

I am just starting to code by myself in Flutter. I've built this so far and here is the image. Can you show me what would be better or cleaner code? I used Row widget for it, but I guess I should ...
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2answers
112 views

NoSQL data model design for players in a game

I am modelling a game which can be single (player1 vs player2) or double (pair 1 vs pair 2, where each pair contains 2 players) and each game has a score. The game is group and date based e.g. Group A ...
5
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1answer
547 views

Snake Game in Dart

First project in Dart - looking for style tips. I feel like I'm writing it a bit like Java, and would like to learn how to write dart-y dart. Also - what's the convention on multiple files in a ...
2
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1answer
250 views

Regex to DFA parser in Dart

I've created a Regex to DFA parser, using Thompson's construction algorithm and epsilon-reduction. Here is the code: builtins.dart: ...
2
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1answer
45 views

Transform poor CSS into a more beatiful form in Dart

I have this script that opens a file containing (possibly) bad CSS, lexes the content of it and creates a new file with the same code in a more pleasant way to look at. It formats it and sorts the ...
2
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2answers
405 views

Performance of RegExp vs Rune Loop

I was recently talking to someone about a function I wrote to mimic (very basically) the string interpolation function String.Format() found in the C# language. ...
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2answers
741 views

A Sudoku game made from Google's Dart language

This is my first real web project and I have never touched JavaScript (barely touched CSS), so I just skipped that and went to dart for fun. Here's a live demo The code for the dart file is down ...
2
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1answer
114 views

Providing core functionality orthogonal to business logic in Dart

Below is a simple Trade class with minimal business logic: primarily a method to get market value associated with the trade. But the trade needs the following pieces of core functionality, orthogonal ...