Android began restricting what APIs you could use in your app with Android 9: https://developer.android.com/guide/app-compatibility/restrictions-non-sdk-interfa

Android began restricting what APIs you could use in your app with Android 9: https://developer.android.com/guide/app-compatibility/restrictions-non-sdk-interfaces https://developer.android.com/guide/app-compatibility/restri... Similarly, what is accessible from the NDK is limited: https://developer.android.com/ndk/guides/stable_apis https://developer.android.com/ndk/guides/stable_apis