ww-sample/bloc_example/lib/screens/new_member_without_channel.dart

import 'package:flutter/material.dart';

class NewMemberWithoutChannel extends StatefulWidget {
  @override
  _NewMemberWithoutChannelState createState() =>
      _NewMemberWithoutChannelState();
}

class _NewMemberWithoutChannelState extends State<NewMemberWithoutChannel> {
  final TextEditingController _channelController = TextEditingController();

  void _enterApp() {
    String channelName = _channelController.text.trim();
    // Handle validation or navigation here
    print('Entered channel: $channelName');
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color(0xFFF5F5F5),
      body: Center(
        child: Padding(
          padding: const EdgeInsets.symmetric(horizontal: 32.0),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              // Input box
              Container(
                padding: const EdgeInsets.symmetric(horizontal: 12.0),
                decoration: BoxDecoration(
                  border: Border.all(color: Colors.grey),
                  color: Colors.white,
                ),
                child: TextField(
                  controller: _channelController,
                  decoration: const InputDecoration(
                    hintText: '请输入渠道名称（请前往下载网站获取）',
                    border: InputBorder.none,
                  ),
                ),
              ),
              const SizedBox(height: 32.0),
              // Button
              SizedBox(
                width: double.infinity,
                height: 56,
                child: ElevatedButton(
                  onPressed: _enterApp,
                  style: ElevatedButton.styleFrom(
                    backgroundColor: Color(0xFF42A5F5), // Blue color
                    shape: RoundedRectangleBorder(
                      borderRadius: BorderRadius.circular(8),
                    ),
                  ),
                  child: const Text(
                    '进入APP',
                    style: TextStyle(
                      fontSize: 18,
                      fontWeight: FontWeight.bold,
                      color: Colors.white,
                    ),
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}