Answers for "ERROR: Failed to resolve: com.github.HaarigerHarald:android-youtubeExtractor:v1.7.0"

ERROR: Failed to resolve: com.github.HaarigerHarald:android-youtubeExtractor:v1.7.0

allprojects {
    repositories {
        google()
        jcenter()
        maven { url "https://jitpack.io" } // this is the line that you probably need
    }
}

you probably forgot the maven dependancy