This article shows you how to use enumerations (also known as enums or enumerated types) in Dart and Flutter. Overview An enumeration in Dart is a set of symbolic names (members) bound to unique, constant values. Within an......
This succinct, practical article walks you through 4 common ways to convert a double to an integer in Flutter and Dart. Using toInt() The toInt() method will truncate a double to an integer and return a result whose type is int.......
ASCII stands for American Standard Code for Information Interchange, is a character encoding standard that uses a 7-bit binary code to represent 128 possible characters, including letters, digits, punctuation marks, and control codes.......
This article shows you how to turn a given map into a query string and parse a given query string into a map in Dart (and Flutter as well) without using any third-party packages. Convert a Map to a Query String We can use the......
When developing apps with Flutter and Dart, you’ll be working a lot with lists. One of the most common tasks when working with lists is finding elements that satisfy single or multiple conditions. This article walks you through a......
This concise and straightforward article shows you two different ways to create multi-line strings in Dart (and Flutter as well). Using Triple Quotes Both triple-single-quote (”’) and triple-double-quote......
This article shows you how to retrieve the name and extension of a file from a file path or a web URL in Dart (and Flutter as well). In order to get the job done, we need the dart:io library and the path package (this one is an......
This article is a deep dive into conditional (ternary) operators in Dart and Flutter. The Basic The conditional (ternary) operator is just a Dart operator that takes three operands: a condition followed by a question mark (?),......
In this article, we’ll walk through a couple of examples of sorting lists in Dart (and Flutter as well), a common task that you may have to deal with in the vast majority of your projects. The examples are in order from easy to......
This short article is about checking Flutter SDK and Dart SDK versions that are installed on your computer. In addition, you’ll also learn how to upgrade your Flutter SDK, find out which Flutter channel is being used and how to......
This article is about extracting a substring from a given string in Dart (and Flutter as well). We’ll cover the fundamentals, write a simple program, then walks through a few advanced use cases. Without any further ado,......
Flutter and Dart have gotten better and more popular recently. Many new features and improvements have been added. In this article, we’ll explore typedefs in Dart (also known as type aliases) and go through a few examples of......