Sending geocoding requests from the Laravel backend instead of directly from Flutter has several advantages and potential reasons: Reasons to Use Laravel Backend for Geocoding Requests Sending Geocoding Requests Directly from Flutter While there are advantages to sending requests from the backend, it is technically possible to send geocoding requests directly from Flutter. Here are…
How to Implement Search Functionality with Flutter Bloc
To help you troubleshoot the issue with the search function and UI update in your Flutter app using the Bloc state management, let’s go through a few steps. We will start by reviewing your code structure and the common pitfalls when using copyWith in Bloc. Steps to Diagnose and Fix the Issue: Example Implementation Here’s…
Try upgrading your constraints on intl: flutter pub add intl:
You may see this message Try upgrading your constraints on intl: flutter pub add intl: To get rid of this error just the following flutter pub add intl Make sure you mention the latest version
The error “Closure: ()=> Map from Function ‘toJson’” usually occurs when there is an issue with converting a class instance to a JSON object
The error “Closure: ()=> Map from Function ‘toJson’” usually occurs when there is an issue with converting a class instance to a JSON object. Here are methods to solve this issue Step-by-Step Guide: Avoid Using Closures in toJson: Ensure no closures are being returned by the toJson method. It should directly return a map. Check…
Flutter Sign-In Page: Using Bloc with StatefulWidget vs StatelessWidget
In a Flutter application, the choice between using a StatefulWidget and a StatelessWidget often depends on how you manage the state and the specific requirements of your user interface. When using the Bloc pattern for state management, you might wonder why a StatefulWidget is still necessary if Bloc is handling the state. Here’s an explanation:…
Fixing setState() Error During Build in Flutter: Using addPostFrameCallback for Safe State Updates
The addPostFrameCallback method solves the problem because it schedules the callback to be executed after the current frame has been rendered. Here’s a detailed explanation of why this approach works: Understanding the Error The error message Unhandled Exception: setState() or markNeedsBuild() called during build indicates that setState() was called during the widget’s build phase. This…
Understanding Flutter BLoC: How to Trigger Events on Page Load in Stateless Widgets
Introduction Flutter is a powerful framework for building cross-platform applications, and the BLoC (Business Logic Component) pattern is a popular state management solution in the Flutter ecosystem. One common challenge is triggering an event when a stateless widget is first built. This article will provide a clear, step-by-step example of how to accomplish this using…
Using the extra Parameter with go_router for Nested Routes
When building complex applications, you often need to pass more information than what can be neatly included in URL parameters. The go_router package in Flutter provides the extra parameter, allowing you to pass additional data (such as complex objects or additional information) along with your navigation. 1. Add Dependencies First, ensure that you have the…
Why the Size is (375, 812)? How do we decide these numbers? using screen_util
The size (375, 812) is a common reference size for designing responsive user interfaces, especially for mobile apps. These dimensions are based on the screen size of the iPhone X, which has a resolution of 375 points wide by 812 points tall in logical pixels. This size is often used as a standard reference for…
Creating a Custom Scrollable App Bar With Expandable Text | Flutter
In this article, we will create a custom scrollable app bar with a background image in Flutter. The app bar will shrink as the user scrolls up, and it will include a back button. Below the image, we will display some descriptive text with a “More” or “Less” button to show or hide additional text….