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🚀 KAPT vs. KSP in Android Development: Which One Should You Use?

Jayant Kumar🇮🇳
3 min read4 days ago

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If you’re an Android developer working with Kotlin, you’ve probably come across KAPT (Kotlin Annotation Processing Tool) and KSP (Kotlin Symbol Processing). Both tools are used for annotation processing, but which one is better? And when should you use KSP over KAPT?

📌 What is Annotation Processing in Android?

Annotation processing allows us to generate code at compile-time based on annotations in our project. This helps in:
✔ Generating boilerplate code automatically.
✔ Reducing manual errors.
✔ Improving code maintainability.

🔹 Example: Annotation Processing in Room Database

If you’re using Room Database, you’ve seen annotations like this:

@Entity
data class User(
@PrimaryKey val id: Int,
val name: String
)

@Entity and @PrimaryKey is a annotation…

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Jayant Kumar🇮🇳
Jayant Kumar🇮🇳

Written by Jayant Kumar🇮🇳

Hello My name is Jayant Kumar, I am a software Engineer , specialist in Mobile Development (Android , IOS , Flutter , React Native) from India 🇮🇳

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