huixiang_app/lib/view_widget/pay_input_view.dart

import 'package:flutter/material.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/view_widget/keyboard/custom_password_field_widget.dart';
import 'package:huixiang/view_widget/keyboard/keyboard_widget.dart';
import 'package:huixiang/view_widget/keyboard/pay_password.dart';

class PayInputWidget extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _PayInputWidget();
  }
}

class _PayInputWidget extends State<PayInputWidget> {
  @override
  Widget build(BuildContext context) {
    var height = (MediaQuery.of(context).size.width - (20 * 7.0)) / 6.0;
    return Scaffold(
      appBar: AppBar(
        centerTitle: true,
        title: Text(
          S.of(context).shuruzhifumima,
          style: TextStyle(
            fontSize: 14,
            fontWeight: FontWeight.bold,
            color: Color(0xFF353535),
          ),
        ),
        backgroundColor: Colors.white,
        elevation: 0,
        leading: GestureDetector(
          onTap: () {
            Navigator.of(context).pop();
          },
          child: Container(
            margin: EdgeInsets.only(left: 25),
            child: Icon(
              Icons.arrow_back_ios,
              color: Colors.black,
              size: 24,
            ),
          ),
        ),
      ),
      body: Container(
        color: Color(0xFFD5D7DD).withAlpha(237),
        child: Column(
          mainAxisSize: MainAxisSize.max,
          children: [
            Container(
              width: double.infinity,
              color: Color(0xFFE6E6E6),
              height: height + 80,
              padding: EdgeInsets.fromLTRB(16, 40, 16, 40),
              child: CustomJPasswordField(password,),
            ),
            Container(
              child: MyKeyboard((event){
                KeyEvent keyEvent = event;
                setState(() {
                  if (!keyEvent.isCommit() && !keyEvent.isDelete() && password.length < 6) {
                    setState(() {
                      password += (event as KeyEvent).key;
                    });
                  } else {
                    if (keyEvent.isDelete() && password.length > 0) {
                      setState(() {
                        password = password.substring(0, password.length - 1);
                      });
                    } else if (keyEvent.isCommit() && password.length == 6) {

                    }
                  }
                });
              }),
            ),
          ],
        ),
      ),
    );
  }

  var password = "";

}