import 'package:flutter/material.dart';

class TipOverlayUtil {
  static void showTip(BuildContext context, String tip) {
    OverlayEntry overlayEntry = OverlayEntry(
      builder: (context) => Positioned(
        top: 200,
        left: 20,
        right: 20,
        child: Material(
          color: Colors.transparent,
          child: Container(
            padding: EdgeInsets.all(16),
            decoration: BoxDecoration(
              color: Colors.black54,
              borderRadius: BorderRadius.circular(8),
            ),
            child: Text(
              tip,
              style: TextStyle(color: Colors.white),
              textAlign: TextAlign.center,
            ),
          ),
        ),
      ),
    );

    Overlay.of(context).insert(overlayEntry);
    Future.delayed(Duration(seconds: 2), () {
      overlayEntry.remove();
    });
  }
}