i started a brand new Project in Android Studio to try to add the billing library. but when i add the dependency implementation 'com.android.billingclient:billing:1.1' and sync gradle i get this errors:
Unable to resolve dependency for ':app@debug/compileClasspath': Could not resolve com.android.billingclient:billing:1.1. Open File Show Details Unable to resolve dependency for ':app@debugAndroidTest/compileClasspath': Could not resolve com.android.billingclient:billing:1.1. Open File Show Details Unable to resolve dependency for ':app@debugUnitTest/compileClasspath': Could not resolve com.android.billingclient:billing:1.1. Open File Show Details Unable to resolve dependency for ':app@release/compileClasspath': Could not resolve com.android.billingclient:billing:1.1. Open File Show Details Unable to resolve dependency for ':app@releaseUnitTest/compileClasspath': Could not resolve com.android.billingclient:billing:1.1. Open File Show Details
here is my gradle: enter image description here