Flutter

Fix Target dart2js failed error: Exception: Warning: The ‘dart2js’ entrypoint script is deprecated, please use ‘dart compile js’ instead. In Flutter

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Fix Target dart2js failed error: Exception: Warning: The ‘dart2js’ entrypoint script is deprecated, please use ‘dart compile js’ instead. In Flutter

Tiempo de lectura: < 1 minutoReading time: < 1 minute Today we’re going to see how to solve the following error: Target dart2js failed: Exception: Warning: The 'dart2js' entrypoint script is deprecated, please use 'dart compile js' instead. Error: Cannot run with sound null safety, because the following dependencies don't support null safety: - package:http - package:http_parser This error is ... Read more

UTF-8 Encoding Solution when Receiving Data by Making a GET Request Using Flutter – Dart

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UTF-8 Encoding Solution when Receiving Data by Making a GET Request Using Flutter – Dart

Tiempo de lectura: < 1 minutoReading time: < 1 minute When making a GET request using Flutter and the Dart programming language, I encountered an error while trying to display certain data. The encoding error occurs when receiving information with some characters, and when displaying them in the user interface, they are not shown correctly. To fix the error shown ... Read more

Creating a Simple List in Flutter – Dart

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Creating a Simple List in Flutter – Dart

Tiempo de lectura: 3 minutosReading time: 3 minutes To create an example list where we can add an element, update the list, and also remove elements, follow these steps: First, we create the main Widget that we call from main, where we display the .dart class with the designed view. void main() => runApp(MyApp()); class MyApp extends StatelessWidget { … Read more

Flutter – Structure of an API POST Call

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Flutter – Structure of an API POST Call

Tiempo de lectura: < 1 minutoReading time: < 1 minutes The structure for making a call from Flutter to an API and sending parameters to receive data is as follows: First, we declare and initialize a variable with the API route, in this case, I call it uri: final uri = 'https://name/api/route'; Then, I declare the headers, content-type: final headers ... Read more

Flutter- structure call API -GET

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Flutter- structure call API -GET

Tiempo de lectura: < 1 minutoReading Time: < 1 minute The structure to make an API call and retrieve data in Flutter is as follows: First, declare and initialize a variable with the API endpoint, in this case, I’ll call it `uri`: final uri = ‘https://example.com/api’; Next, declare the headers, specifically the `Content-Type`: final headers = { ‘Content-Type’: ‘application/json’, }; … Read more

Error compiling a Flutter application with API connection

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Error compiling a Flutter application with API connection

Tiempo de lectura: < 1 minutohtml Copy code Reading time: < 1 minute When trying to run an application that makes an API call from Flutter, the following error occurs: Error: Cannot run with sound null safety, because the following dependenciesdon’t support null safety: package:http package:http_parser To fix this error, I followed these steps: First, in the Android Studio menu … Read more

PWA vs Flutter vs React Native vs Ionic: Which Technology to Use for Mobile Development?

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PWA vs Flutter vs React Native vs Ionic: Which Technology to Use for Mobile Development?

Tiempo de lectura: 3 minutosReading time: 4 minutes PWA (Progressive Web Apps), Flutter, React Native, and Ionic are mobile development technologies that have different advantages and disadvantages in terms of performance, user experience, platform support, learning curve, maintenance and scalability, and cost. PWA It is a technology that allows creating web applications with features similar to native applications, using … Read more

Create a Flappy Bird-like Game Using Flame and Flutter

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Create a Flappy Bird-like Game Using Flame and Flutter

Tiempo de lectura: 5 minutosFlutter is an open-source mobile development framework that enables developers to create high-quality mobile applications for Android and iOS. One of the most popular tools in Flutter for game development is the animation and graphics library known as Flame. Flappy Bird is a simple and addictive platformer game where a bird must fly through pipes … Read more

Internationalization of Flutter Application Using .json Files

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Internationalization of Flutter Application Using .json Files

Tiempo de lectura: 3 minutosReading time: 3 minutes Internationalizing a flutter application is easy by following the following steps as I show below: First, we need to add the necessary dependencies in the pubspec.yaml file: flutter_localizations: sdk: flutter flutter_cupertino_localizations: ^1.0.1 Next, we create the directory structure with the .json files From the root of our project, we create a … Read more