Add a Gradle dependency:
apply plugin: 'kotlin-kapt'
sourceSets {
main.java.srcDirs += 'src/main/kotlin'
main.java.srcDirs += 'build/generated/source/kaptKotlin/main' // <-- add to your module
debug.java.srcDirs += 'build/generated/source/kaptKotlin/debug' // <-- add to your module
release.java.srcDirs += 'build/generated/source/kaptKotlin/release' // <-- add to your module
test.java.srcDirs += 'src/test/kotlin'
}
implementation 'com.github.rougsig:fakito-runtime:2.0.0'
kapt 'com.github.rougsig:fakito-processor:2.0.0'