Flutter无障碍统计插件accessibility_stats_logger的使用

Flutter无障碍统计插件accessibility_stats_logger的使用

此Flutter插件能够从iOS和Android设备上收集无障碍数据。它可以从屏幕阅读器、语音助手、字体大小等多个方面收集信息。

开始使用

要收集这些数据，只需创建该插件的一个实例并调用getAccessibilityStats()方法即可。此方法将返回一个基于设备和平台的Map<String, Object?>类型的无障碍数据。

示例代码

以下是一个完整的示例代码，展示如何使用accessibility_stats_logger插件：

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

import 'package:flutter/services.dart';
import 'package:accessibility_stats_logger/accessibility_stats_logger.dart';

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

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  // 存储无障碍统计数据的变量
  Map<String, Object?> _accessibilityStatsLogger = {};

  // 创建插件实例
  final _accessibilityStatsLoggerPlugin = AccessibilityStatsLogger();

  @override
  void initState() {
    super.initState();
    // 初始化无障碍统计数据
    initAccessibilityStatsLoggerState();
  }

  // 初始化无障碍统计数据的方法
  Future<void> initAccessibilityStatsLoggerState() async {
    Map<String, Object?> accessibilityStatsLogger;
    try {
      // 调用插件的getAccessibilityStats()方法获取数据
      accessibilityStatsLogger =
          await _accessibilityStatsLoggerPlugin.getAccessibilityStats();
    } on PlatformException {
      // 如果发生错误，设置为空对象
      accessibilityStatsLogger = {};
    }
    // 确保组件仍然挂载时更新状态
    if (!mounted) return;

    setState(() {
      _accessibilityStatsLogger = accessibilityStatsLogger;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('无障碍统计数据示例'),
        ),
        body: Center(
          // 显示无障碍统计数据
          child: Text('运行环境数据:\n$_accessibilityStatsLogger\n'),
        ),
      ),
    );
  }
}

响应示例

Android响应

{
    "isTouchExplorationEnabled": "false", 
    "isTalkBackEnabled": "false", 
    "isSamsungTalkBackEnabled": "false", 
    "isSelectToSpeakEnabled": "false", 
    "isSwitchAccessEnabled": "false", 
    "isBrailleBackEnabled": "false", 
    "isVoiceAccessEnabled": "false", 
    "fontScale": "1.3", 
    "fontWeightAdjustment": "0", 
    "displayScale": "1.1892857142857143", 
    "isClosedCaptioningEnabled": "false", 
    "isAnimationsDisabled": "false", 
    "enabledAccessibilityServices": "[]", 
    "screenOrientation": "portrait", 
    "applicationId": "ExampleApp", 
    "defaultLanguage": "en-US", 
    "sdkVersion": "33", 
    "manufacturer": "Google", 
    "modelName": "sdk_gphone64_x86_64", 
    "isNightModeEnabled": "false", 
    "daytime": "day"
}

iOS响应

{
    "Accessibility_isSpeakScreenEnabled": "false", 
    "Accessibility_isSpeakSelectionEnabled": "false",
    "Watch_supported": "true",
    "Accessibility_uses_any_accessibility_setting": "false",
    "System_model_name": "Simulator",
    "Screen_in_split_screen": "false",
    "Accessibility_isBoldTextEnabled": "false", 
    "Stats_version": "iOS 2022-04-15", 
    "Screen_device_idiom": "phone",
    "Accessibility_isGrayscaleEnabled": "false",
    "Screen_zoomed": "false",
    "Preference_preferred_content_size": "large",
    "Screen_window_width": "393",
    "Accessibility_isSwitchControlRunning": "false",
    "Accessibility_isShakeToUndoEnabled": "true",
    "Screen_scale": "@3x",
    "Accessibility_isClosedCaptioningEnabled": "false",
    "Accessibility_islnvertColorsEnabled": "false",
    "Preference_daytime": "day", 
    "Screen_width": "393",
    "Accessibility_isReduceTransparencyEnabled": "false",
    "System_model_id": "x86_64", 
    "Stats_timestamp": "1696490514.6148028", 
    "App_bundle_identifier": "accessibility.plugin.com.accessibiltyExample",
    "System_OS_major_version": "16",
    "Accessibility_isDarkerSystemColorsEnabled": "false", 
    "Accessibility_isAssistiveTouchRunning_with_isGuidedAccessEnabled": "Unknown", 
    "System_Preferred_language": "nl-US", 
    "System_Dutch_region": "false",
    "Preference_UI_style": "light", 
    "Screen_display_gamut": "P3", 
    "Accessibility_isMonoAudioEnabled": "false",
    "Screen_orientation": "portrait",
    "Accessibility_isVoiceOverRunning": "false",
    "Accessibility_isGuidedAccessEnabled": "false"
}

更多关于Flutter无障碍统计插件accessibility_stats_logger的使用的实战教程也可以访问 https://www.itying.com/category-92-b0.html

1 回复

更多关于Flutter无障碍统计插件accessibility_stats_logger的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html


accessibility_stats_logger 是一个用于 Flutter 应用的无障碍统计日志记录插件。它可以帮助开发者记录和分析应用中的无障碍事件，以便更好地优化应用的无障碍体验。以下是如何使用 accessibility_stats_logger 插件的基本步骤：

1. 添加依赖

首先，你需要在 pubspec.yaml 文件中添加 accessibility_stats_logger 插件的依赖：

dependencies:
  flutter:
    sdk: flutter
  accessibility_stats_logger: ^0.0.1  # 请使用最新版本

然后运行 flutter pub get 来获取插件。

2. 初始化插件

在你的应用的 main.dart 文件中，初始化 accessibility_stats_logger 插件：

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

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  AccessibilityStatsLogger.initialize(); // 初始化插件
  runApp(MyApp());
}

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

3. 记录无障碍事件

你可以在应用的不同部分记录无障碍事件。例如，在按钮点击时记录事件：

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

class MyHomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Flutter Demo Home Page'),
      ),
      body: Center(
        child: ElevatedButton(
          onPressed: () {
            // 记录无障碍事件
            AccessibilityStatsLogger.logEvent(
              eventType: 'button_click',
              eventDetails: 'Button clicked on home page',
            );
          },
          child: Text('Click Me'),
        ),
      ),
    );
  }
}

4. 查看日志

你可以通过插件的 API 查看和导出记录的无障碍事件日志。例如，获取所有记录的事件：

List<AccessibilityEvent> events = await AccessibilityStatsLogger.getEvents();
for (var event in events) {
  print('Event: ${event.eventType}, Details: ${event.eventDetails}');
}

5. 导出日志

你可以将日志导出为文件，以便进一步分析：

String logFilePath = await AccessibilityStatsLogger.exportLogs();
print('Logs exported to: $logFilePath');

6. 自定义配置

你还可以自定义插件的配置，例如设置日志的存储路径、日志级别等：

AccessibilityStatsLogger.configure(
  logLevel: LogLevel.verbose,
  storagePath: '/path/to/custom/storage',
);

7. 清理日志

如果需要，你可以清理已记录的日志：

await AccessibilityStatsLogger.clearLogs();

8. 处理异常

在使用插件时，建议处理可能的异常，以确保应用的稳定性：

try {
  AccessibilityStatsLogger.logEvent(
    eventType: 'button_click',
    eventDetails: 'Button clicked on home page',
  );
} catch (e) {
  print('Failed to log accessibility event: $e');
}
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