Flutter秘籍检测插件konami_detector的使用

发布于 1周前 作者 songsunli 来自 Flutter

Flutter秘籍检测插件konami_detector的使用

作者: Jop Middelkamp

这是一个用于检测Konami秘籍滑动并提供回调处理触发事件的包。

使用

KonamiDetector(
  codes: [
    if (enviroment != Environment.production) TestCrashKonamiCode(),
    ShowDeviceInfoKonamiCode(),
  ],
  child: Container(
    // 容器内容
  ),
)

class ShowDeviceInfoKonamiCode extends KonamiCode {
  ShowDeviceInfoKonamiCode()
      : super(
          codes: const [
            KonamiCodeInput.up,
            KonamiCodeInput.up,
            KonamiCodeInput.down,
            KonamiCodeInput.down,
            KonamiCodeInput.left,
            KonamiCodeInput.right,
          ],
          onMatch: showDeviceInfoDialog,
        );
}

完整示例代码

import 'package:example/konami_codes/show_device_info_konami_code.dart';
import 'package:example/konami_codes/test_crash_konami_code.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:konami_detector/konami_detector.dart';

void main() {
  const enviroment = Environment.development;
  runApp(const MyApp(
    enviroment: enviroment,
  ));
}

class MyApp extends StatelessWidget {
  const MyApp({
    Key? key,
    required this.enviroment,
  }) : super(key: key);

  final Environment enviroment;

  [@override](/user/override)
  Widget build(
    BuildContext context,
  ) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(enviroment: enviroment),
    );
  }
}

class MyHomePage extends StatelessWidget {
  const MyHomePage({
    Key? key,
    required this.enviroment,
  }) : super(key: key);

  final Environment enviroment;

  [@override](/user/override)
  Widget build(
    BuildContext context,
  ) {
    return KonamiDetector(
      codes: [
        if (enviroment != Environment.production) TestCrashKonamiCode(),
        ShowDeviceInfoKonamiCode(),
      ],
      child: Scaffold(
        appBar: AppBar(
          title: const Text('Flutter Demo Home Page'),
        ),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Container(
                width: MediaQuery.of(context).size.width * 0.75,
                height: MediaQuery.of(context).size.width * 0.75,
                padding: const EdgeInsets.all(16),
                decoration: BoxDecoration(
                  borderRadius: BorderRadius.circular(16),
                  color: Colors.greenAccent,
                ),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    const Text(
                      "Show Device Info: ",
                      style: TextStyle(
                        fontWeight: FontWeight.bold,
                        fontSize: 16,
                      ),
                    ),
                    Text(
                      ShowDeviceInfoKonamiCode()
                          .codes
                          .map(describeEnum)
                          .join(', '),
                    ),
                    const SizedBox(height: 16),
                    const Text(
                      "Test Crash",
                      style: TextStyle(
                        fontWeight: FontWeight.bold,
                        fontSize: 16,
                      ),
                    ),
                    Text(
                      TestCrashKonamiCode().codes.map(describeEnum).join(', '),
                    ),
                  ],
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}

enum Environment { development, staging, production }

更多关于Flutter秘籍检测插件konami_detector的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html

1 回复

更多关于Flutter秘籍检测插件konami_detector的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html


当然，关于在Flutter中使用konami_detector插件来检测Konami代码（上上下下左右左右BABA），以下是一个简单的代码示例。这个示例展示了如何集成并使用konami_detector插件来监听Konami代码输入事件。

首先，确保你已经在pubspec.yaml文件中添加了konami_detector依赖：

dependencies:
  flutter:
    sdk: flutter
  konami_detector: ^x.y.z  # 请替换为最新版本号

然后运行flutter pub get来安装依赖。

接下来，在你的Flutter应用中，你可以按照以下步骤使用konami_detector：

import 'package:flutter/material.dart';
import 'package:konami_detector/konami_detector.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final KonamiDetector _konamiDetector = KonamiDetector();

  @override
  void initState() {
    super.initState();

    // 设置Konami代码检测到的回调
    _konamiDetector.addListener(() {
      // 当检测到Konami代码时执行的代码
      showDialog(
        context: context,
        builder: (BuildContext context) {
          return AlertDialog(
            title: Text('Konami Code Detected!'),
            content: Text('You have entered the Konami Code!'),
            actions: <Widget>[
              FlatButton(
                child: Text('OK'),
                onPressed: () {
                  Navigator.of(context).pop();
                },
              ),
            ],
          );
        },
      );
    });
  }

  @override
  void dispose() {
    // 移除监听器
    _konamiDetector.removeListener();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Konami Detector Demo'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              'Try entering the Konami Code (Up Up Down Down Left Right Left Right B A B A)!',
            ),
          ],
        ),
      ),
    );
  }
}

在这个示例中，我们创建了一个简单的Flutter应用，其中包括一个KonamiDetector实例。在initState方法中，我们添加了一个监听器，当检测到Konami代码时，会显示一个对话框。在dispose方法中，我们移除了监听器以避免内存泄漏。

这个示例展示了基本的集成和检测功能。你可以根据实际需求进一步自定义和扩展这个基础代码。

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