diff --git a/.gitignore b/.gitignore
index 9f7ed40..38dccc2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,19 @@
 .*/
+
+# Gradle
+build/
+.gradle/
+
+# Kotlin
+.kotlin/
+
+# IDE
+*.iml
+local.properties
+
+# APK/AAR outputs
+*.apk
+
+# AAR (except libs/ dependencies that need to be committed)
+app/build/**/*.aar
+!app/libs/