-import android.support.annotation.NonNull;
-import android.support.v4.content.ContextCompat;
-// `AppCompatDialogFragment` must be used instead of `DialogFragment` or an error is produced on API <= 22.
-// `android.support.v7.app.AlertDialog` also uses more of the horizontal screen real estate versus `android.app.AlertDialog's` smaller width.
-import android.support.v7.app.AppCompatDialogFragment;