Flutter Build FAILED: Fix “minSdkVersion() Expected” Error in build.gradle.kts | Kotlin DSL Fix 2025
🚀 In this video, I’ll show you how to fix one of the most common Flutter errors developers face when switching to the new Kotlin DSL build system:
❌ Error:
Function invocation 'minSdkVersion(...)' expected
This happens when using the `.gradle.kts` file in your Flutter Android project. Don’t worry — it’s an easy fix!
I’ll explain **why this error occurs**, what’s changed in Kotlin DSL compared to the old Groovy syntax, and how to **solve it in under 1 minute**. 💪
✅ What you’ll learn:
Why the "minSdkVersion expected" error appears
Difference between `build.gradle` and `build.gradle.kts`
How to correctly use `minSdk = flutter.minSdkVersion`
Bonus tips for fixing `targetSdk` and `compileSdk` issues