cw_package_first_demo 1.0.0

索引包，为通讯录添加索引.

example/main.dart

import 'package:flutter/material.dart';
import 'package:cw_package_first_demo/cw_package_first_demo.dart' as cw_index;


class Test extends StatelessWidget {
  const Test({super.key});

  @override
  Widget build(BuildContext context) {
    return cw_index.IndexBar(indexBarCallBack: (String word){
      print(word);
    },);
  }
}