September, 2024 - Abul Kalam Jaan

How to Fix ‘markNeedsBuild’ Error in Syncfusion Flutter Charts After Flutter 3.24.0 Upgrade

September 3, 2024

Developer: Sheeraz AliDesignation: Flutter DeveloperLinkedIn: Sheeraz AliGitHub: thesheerazali Problem: After upgrading Flutter to version 3.24.0, the syncfusion_flutter_charts package throws an error related to the use of markNeedsBuild in several files. Error Locations: The error occurs in the following files and line numbers: syncfusion_flutter_charts/lib/src/charts/common/element_widget.dart:117 syncfusion_flutter_charts/lib/src/charts/base.dart:3317 syncfusion_flutter_charts/lib/src/charts/cartesian_chart.dart:1367 syncfusion_flutter_charts/lib/src/charts/common/core_tooltip.dart:168 syncfusion_flutter_charts/lib/src/charts/common/core_legend.dart:452 Solution: To fix the error, change markNeedsBuild to markNeedsLayout in the specified lines of each file. Steps: Locate the Lines: Open each .dart file and go to the mentioned line numbers. Update the Code:Replace markNeedsBuild with markNeedsLayout.dartCopy code// Original code markNeedsBuild(); // Updated code markNeedsLayout(); Save and Rebuild: Save the changes and run flutter clean followed by flutter run to rebuild the project. Conclusion: Changing markNeedsBuild to markNeedsLayout resolves the error caused by the Flutter upgrade, allowing the syncfusion_flutter_charts package to work correctly. Find for More Code Error related news Click here. Download “Kalam AI” to generate Social media Posts easily.

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Integrating Django with Flutter: A Quick Guide for Local IP Configuration

September 2, 2024

At Itcian Software Solutions, our CTO, Abul Kalam Jaan, is a highly skilled Senior Software Engineer. Our team actively contributes to various platforms such as Stack Overflow, Facebook, Medium, and many other social networks, assisting developers with technical errors. If you encounter any issues related to Mobile Apps and Web Developer and also from some other related fields, feel free to reach out for expert guidance. For instance, on Stack Overflow, we provided a solution for running a Django project with Flutter: Problem:When using the local IP 127.0.0.1, it only works for the current device, meaning your app will send requests to your mobile/simulator, not your server. Solution:You need to host your server on your local IP address. Here’s how to get the IP of your machine: For Mac: Use the command ifconfig en0 For Windows: Use the command ipconfig Once you have your IP, run your Django project with the following command: python manage.py runserver ADD_YOUR_IP_HERE:8000 Then, update the IP in your Flutter code to…