设置滑动到边缘时无效果模式:
android:overScrollMode="never"
设置不显示滚动条:
android:scrollbars="none"
<android.support.v7.widget.RecyclerView android:id="@+id/rlv_message_list" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_above="@+id/lly_home_bottom" android:layout_alignParentTop="true" android:layout_below="@+id/lly_home_top_btn" android:layout_marginTop="50dp" android:overScrollMode="never" />