* Kotlin: Calls to static methods in Java interfaces are prohibited in JVM target 1.6. Recompile with '-jvm-target 1.8'

build.gradle

android {
    compileSdkVersion 28
    
    ...

    /**
     * 解決：
     * Kotlin: Calls to static methods in Java interfaces are prohibited in JVM target 1.6. Recompile with '-jvm-target 1.8'
     * 參考：
     * https://stackoverflow.com/a/52561908/307442
     */
    kotlinOptions{
        jvmTarget = '1.8'
    }
}