From 568fbe6c7492e56291355486de658ddeb7a65557 Mon Sep 17 00:00:00 2001 From: Gabriel Donadel Dall'Agnol Date: Sat, 5 Sep 2026 09:08:17 -0700 Subject: [PATCH] fix(android): skip explicit Kotlin plugin when AGP registers the kotlin extension AGP 9 ships built-in Kotlin support and registers the kotlin extension itself. Applying the Kotlin plugin again fails configuration with "Cannot add extension with name 'kotlin'". Check for the extension directly, which needs no AGP version table and covers AGP 10, where the android.builtInKotlin opt-out is removed. --- android/build.gradle | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/android/build.gradle b/android/build.gradle index 81cf0c6..21bb364 100644 --- a/android/build.gradle +++ b/android/build.gradle @@ -20,7 +20,14 @@ def reactNativeArchitectures() { } apply plugin: "com.android.library" -apply plugin: "kotlin-android" +// AGP 9 ships built-in Kotlin support and registers the `kotlin` extension +// itself. Applying the Kotlin plugin on top of it fails configuration with +// "Cannot add extension with name 'kotlin'". Only apply it when nothing has +// registered that extension yet. +if (project.extensions.findByName('kotlin') == null) { + apply plugin: "kotlin-android" +} + // Nitrogen: registers the generated Kotlin sources with this Gradle project. apply from: '../nitrogen/generated/android/NitroCompressor+autolinking.gradle'