Knowledge Base
Flutter tutorials, video lessons, package notes and architecture guides organized by category.
How to Use the razorpay_flutter Flutter Package for Payment Gateways
Learn how to integrate the razorpay_flutter Flutter package to accept digital payments in your e-commerce or digital goods app with event-driven SDK handling.
Integrating Biometric Identity Verification with the flutter_idv Flutter Package
Learn how to use the flutter_idv Flutter package to integrate Regula IDV biometric verification, document scanning, and facial matching into iOS and Android applications.
How to Download Antigravity IDE: A Step-by-Step Guide for Flutter Developers
Upgrade your Flutter workflow with this complete step-by-step guide to download Antigravity IDE, configure SDK dependencies, and run your first Flutter project.
How to Fix Android SDK Not Found Error in Android Studio on Windows 11
Fix Android SDK not found error in Android Studio and Flutter on Windows 11. Learn how to repair SDK paths, local.properties, ANDROID_HOME, cmdline-tools, licenses and Flutter Doctor errors.
How to Update Android Studio to Latest Version Without Breaking Your Projects
Learn how to update Android Studio to the latest version safely without breaking Flutter or Android projects. Includes backup, Gradle, AGP, JDK, SDK, rollback and common update error fixes.
How to Install Dart SDK on Windows 11: A Developer's Guide (2026)
Learn how to perform a Dart SDK install in Windows 11 using Winget, Chocolatey, or manual zip setup. Step-by-step developer guide with environment variable setup and CLI verification.