Android Studio throws build error in Kotlin project which calls static method in java interface

Question

I have a Kotlin project in Android Studio. I am calling a static method in Java interface from the Kotlin code. The build fails with the error,

Calls to static m         


        

Answer 1

The compileOptions section in build.gradle affects the Java compiler, not the Kotlin compiler. To set the target JVM version for the Kotlin compiler, use the following block:

compileKotlin {
    kotlinOptions.jvmTarget = "1.8"
}

compileTestKotlin {
    kotlinOptions.jvmTarget = "1.8"
}

See the documentation for more information.