-import android.support.annotation.NonNull;
-import android.support.constraint.ConstraintLayout;
-import android.support.v7.widget.CardView;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.NonNull;
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.cardview.widget.CardView;
+import androidx.recyclerview.widget.RecyclerView;