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@react-native-ohos/voice

v3.4.0

Published

React Native Native Voice library for iOS and Android

Readme

文档模板:v0.4.1

@react-native-voice/voice

本项目基于@react-native-voice/voice 开发

该第三方库的仓库已迁移至 Gitcode,且支持直接从 npm 下载,新的包名为:@react-native-ohos/voice 版本所属关系如下: | 三方库名称 | 三方库版本 | 发布信息 | 支持RN版本 | Autolink | 编译API版本 | 社区基线版本 | npm地址 | | - | - | - | - | - | - | - | - | | @react-native-ohos/voice | ~ 3.4.0 | Gitcode Releases | 0.82.* | 是 | API12+ | 3.2.4 | Npm Address |

简介

react-native-voice 是一个用于 React Native 应用程序的语音识别库。它提供了语音识别的启动、停止、取消、销毁以及结果、错误、音量等事件回调。

下载安装

进入到工程目录并输入以下命令:

npm

npm install @react-native-ohos/voice

yarn

yarn add @react-native-ohos/voice

Link

| | 是否支持autolink | RN框架版本 | | - | - | - | | ~3.4.0 | 是 | 0.82 |

使用AutoLink的工程需要根据该文档配置,Autolink框架指导文档:https://gitcode.com/CPF-RN/ohos_react_native/blob/master/docs/zh-cn/Autolinking.md

如您使用的版本支持 Autolink,并且工程已接入 Autolink,可跳过ManualLink配置。

首先需要使用 DevEco Studio 打开项目里的 HarmonyOS 工程 harmony

1. Overrides RN SDK

为了让工程依赖同一个版本的 RN SDK,需要在工程根目录的 oh-package.json5 添加 overrides 字段,指向工程需要使用的 RN SDK 版本。替换的版本既可以是一个具体的版本号,也可以是一个模糊版本,还可以是本地存在的 HAR 包或源码目录。

关于该字段的作用请阅读官方说明

{
  "overrides": {
    "@rnoh/react-native-openharmony": "^0.82.30" // ohpm 在线版本
    // "@rnoh/react-native-openharmony" : "./react_native_openharmony.har" // 指向本地 har 包的路径
    // "@rnoh/react-native-openharmony" : "./react_native_openharmony" // 指向源码路径
  }
}

2. 引入原生端代码

目前有两种方法:

  1. 通过 har 包引入(在 IDE 完善相关功能后该方法会被遗弃,目前首选此方法);
  2. 直接链接源码。

方法一:通过 har 包引入(推荐)

[!TIP] har 包位于三方库安装路径的 harmony 文件夹下。

打开 entry/oh-package.json5,添加以下依赖

"dependencies": {
    "@rnoh/react-native-openharmony": "file:../react_native_openharmony",
    "@react-native-ohos/voice": "file:../../node_modules/@react-native-ohos/voice/harmony/voice.har"
  }

点击右上角的 sync 按钮

或者在终端执行:

cd entry
ohpm install

方法二:直接链接源码

[!TIP] 如需使用直接链接源码,请参考直接链接源码说明

3. 配置 CMakeLists 和引入 VoicePackage

打开 entry/src/main/cpp/CMakeLists.txt,添加:

project(rnapp)
cmake_minimum_required(VERSION 3.4.1)
set(CMAKE_SKIP_BUILD_RPATH TRUE)
set(RNOH_APP_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
set(NODE_MODULES "${CMAKE_CURRENT_SOURCE_DIR}/../../../../../node_modules")
+ set(OH_MODULES "${CMAKE_CURRENT_SOURCE_DIR}/../../../oh_modules")
set(RNOH_CPP_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../react-native-harmony/harmony/cpp")
set(LOG_VERBOSITY_LEVEL 1)
set(CMAKE_ASM_FLAGS "-Wno-error=unused-command-line-argument -Qunused-arguments")
set(CMAKE_CXX_FLAGS "-fstack-protector-strong -Wl,-z,relro,-z,now,-z,noexecstack -s -fPIE -pie")
set(WITH_HITRACE_SYSTRACE 1) # for other CMakeLists.txt files to use
add_compile_definitions(WITH_HITRACE_SYSTRACE)

add_subdirectory("${RNOH_CPP_DIR}" ./rn)

# RNOH_BEGIN: manual_package_linking_1
add_subdirectory("../../../../sample_package/src/main/cpp" ./sample-package)
+ add_subdirectory("${OH_MODULES}/@react-native-ohos/voice/src/main/cpp" ./voice)

# RNOH_END: manual_package_linking_1

add_library(rnoh_app SHARED
    ${GENERATED_CPP_FILES}
    "./PackageProvider.cpp"
    "${RNOH_CPP_DIR}/RNOHAppNapiBridge.cpp"
)

target_link_libraries(rnoh_app PUBLIC rnoh)

# RNOH_BEGIN: manual_package_linking_2
target_link_libraries(rnoh_app PUBLIC rnoh_sample_package)
+ target_link_libraries(rnoh_app PUBLIC rnoh_voice)
# RNOH_END: manual_package_linking_2

打开 entry/src/main/cpp/PackageProvider.cpp,添加:

#include "RNOH/PackageProvider.h"
+ #include "VoicePackage.h"

using namespace rnoh;

std::vector<std::shared_ptr<Package>> PackageProvider::getPackages(Package::Context ctx)
{
    return {
+        std::make_shared<VoicePackage>(ctx),
    };
}

4. 在 ArkTs 侧引入 RNVoicePackage

打开 entry/src/main/ets/RNPackagesFactory.ts,或者 entry/src/main/ets/rn/RNPackagesFactory.ts,添加:

  ...
+ import { RNVoicePackage } from '@react-native-ohos/voice/ts';

export function createRNPackages(ctx: RNPackageContext): RNPackage[] {
  return [
    new SamplePackage(ctx),
+   new RNVoicePackage(ctx),
  ];
}

运行

点击右上角的 sync 按钮

或者在终端执行:

cd entry
ohpm install

然后编译、运行即可。

约束与限制

兼容性

要使用此库,需要使用正确的 React-Native 和 RNOH 版本。另外,还需要使用配套的 DevEco Studio 和手机 ROM。

本文档内容基于以下版本验证通过:

  1. RNOH: 0.82.1; SDK: HarmonyOS API Version 21 Release SDK; IDE: DevEco Studio 6.0.1.260; ROM: 6.0.0.130;

权限要求

由于此库涉及语音识别会使用到系统录音功能,使用时需要配置对应的权限,权限需配置在 entry/src/main 目录下 module.json5entry/src/main/resources/base/element 目录下 string.json 文件。

打开 module.json5,添加:

...
"requestPermissions": [
...
+      {
+        "name": "ohos.permission.MICROPHONE",
+        "reason": "$string:reason",
+        "usedScene": {
+          "abilities": [
+            "EntryAbility"
+          ],
+          "when": "inuse"
+        }
+      }
    ]

打开 string.json,添加权限申请原因:

...
{
  "string": [
...
+    {
+      "name": "reason",
+      "value": "Used for recording recognition"
+    },
...
  ]
}

使用示例

下面的代码展示了这个库的基本使用场景:

[!WARNING] 使用时 import 的库名不变。

import React, {Component} from 'react';
import {
    StyleSheet,
    Text,
    View,
    Image,
    TouchableHighlight,
    ScrollView,
    Button,
} from 'react-native';
import Voice, {
    SpeechRecognizedEvent,
    SpeechResultsEvent,
    SpeechErrorEvent,
} from '@react-native-voice/voice';

type Props = {};
type State = {
    recognized: string;
    error: string;
    end: string;
    started: string;
    results: string[];
    partialResults: string[];
    isAvailable: number;
    isRecognizing: number;
};

class VoiceTest extends Component<Props, State> {
    state = {
        recognized: '',
        error: '',
        end: '',
        started: '',
        results: [],
        partialResults: [],
        isAvailable: 0,
        isRecognizing: 0,
    };

    constructor(props: Props) {
        super(props);
        Voice.onSpeechStart = this.onSpeechStart;
        Voice.onSpeechRecognized = this.onSpeechRecognized;
        Voice.onSpeechEnd = this.onSpeechEnd;
        Voice.onSpeechError = this.onSpeechError;
        Voice.onSpeechResults = this.onSpeechResults;
        Voice.onSpeechPartialResults = this.onSpeechPartialResults;
    }

    componentWillUnmount() {
        Voice.destroy().then(Voice.removeAllListeners);
    }

    onSpeechStart = (e: any) => {
        console.log('onSpeechStart: ', e);
        this.setState({
            started: '√',
        });
    };

    onSpeechRecognized = (e: SpeechRecognizedEvent) => {
        console.log('onSpeechRecognized: ', e);
        this.setState({
            recognized: '√',
        });
    };

    onSpeechEnd = (e: any) => {
        console.log('onSpeechEnd: ', e);
        this.setState({
            end: '√',
        });
    };

    onSpeechError = (e: SpeechErrorEvent) => {
        console.log('onSpeechError: ', e);
        this.setState({
            error: JSON.stringify(e.error),
        });
    };

    onSpeechResults = (e: SpeechResultsEvent) => {
        console.log('onSpeechResults: ', e);
        this.setState({
            results: e.value,
        });
    };

    onSpeechPartialResults = (e: SpeechResultsEvent) => {
        console.log('onSpeechPartialResults: ', e);
        this.setState({
            partialResults: e.value,
        });
    };

    _startRecognizing = async () => {
        this.setState({
            recognized: '',
            error: '',
            started: '',
            results: [],
            partialResults: [],
            end: '',
        });

        try {
            await Voice.start('en-US');
        } catch (e) {
            console.error(e);
        }
    };

    _stopRecognizing = async () => {
        try {
            await Voice.stop();
        } catch (e) {
            console.error(e);
        }
    };

    _cancelRecognizing = async () => {
        try {
            await Voice.cancel();
            Voice.start;
        } catch (e) {
            console.error(e);
        }
    };

    _destroyRecognizer = async () => {
        try {
            await Voice.destroy();
        } catch (e) {
            console.error(e);
        }
        this.setState({
            recognized: '',
            error: '',
            started: '',
            results: [],
            partialResults: [],
            end: '',
        });
    };

    _isAvailable = async () => {
        try {
            Voice.isAvailable().then((available: 0 | 1) => {
                this.setState({
                    isAvailable: available ? 1 : 0,
                });
            });
        } catch (e) {
            console.error(e);
            this.setState({
                isAvailable: 0,
            });
        }
    };

    _isRecognizing = async () => {
        try {
            Voice.isRecognizing().then((isRecognizing: 0 | 1) => {
                this.setState({
                    isRecognizing: isRecognizing ? 1 : 0,
                });
            });
        } catch (e) {
            console.error(e);
        }
    };

    render() {
        return (
            <ScrollView>
                <View style={{height: 20, marginBottom: 20, backgroundColor: '#fff'}}>
                    <Text style={styles.stat}>{`${this.state.started}`}</Text>
                </View>

                <View style={{height: 20, marginBottom: 20, backgroundColor: '#fff'}}>
                    <Text style={styles.stat}>{`${this.state.recognized}`}</Text>
                </View>

                <View style={{height: 30, marginBottom: 20, backgroundColor: '#fff'}}>
                    <Text style={styles.stat}>{`${this.state.error}`}</Text>
                </View>

                <View
                    style={{minHeight: 30, marginBottom: 20, backgroundColor: '#fff'}}>
                    {this.state.results.map((result, index) => {
                        return (
                            <Text key={`result-${index}`} style={styles.stat}>
                                {result}
                            </Text>
                        );
                    })}
                </View>

                <View
                    style={{minHeight: 50, marginBottom: 20, backgroundColor: '#fff'}}>
                    {this.state.partialResults.map((result, index) => {
                        return (
                            <Text key={`partial-result-${index}`} style={styles.stat}>
                                {result}
                            </Text>
                        );
                    })}
                </View>

                <View style={{height: 30, marginBottom: 20, backgroundColor: '#fff'}}>
                    <Text style={styles.stat}>{` ${this.state.end}`}</Text>
                </View>

                <View style={styles.baseArea}>
                    <Text style={{flex: 1}}>{`${this.state.isAvailable}`}</Text>
                    <Button
                        title="isAvailable"
                        color="#841584"
                        onPress={this._isAvailable}></Button>
                </View>

                <View style={styles.baseArea}>
                    <Text style={{flex: 1}}>{`${this.state.isRecognizing}`}</Text>
                    <Button
                        title="isRecognizing"
                        color="#841584"
                        onPress={this._isRecognizing}></Button>
                </View>

                <View style={{marginBottom: 10}}>
                    <Button
                        title="start"
                        color="#841584"
                        onPress={this._startRecognizing}
                    />
                </View>
                <View style={{marginBottom: 10}}>
                    <Button
                        title="stop"
                        color="#841584"
                        onPress={this._stopRecognizing}
                    />
                </View>

                <View style={{padding: 5}}>
                    <Button
                        title="cancel"
                        color="#841584"
                        onPress={() => {
                            this._cancelRecognizing();
                        }}></Button>
                </View>

                <View style={{padding: 5}}>
                    <Button
                        title="destroy"
                        color="#841584"
                        onPress={() => {
                            this._destroyRecognizer();
                        }}></Button>
                </View>
            </ScrollView>
        );
    }
}

const styles = StyleSheet.create({
    button: {
        width: 50,
        height: 50,
    },
    container: {
        flex: 1,
        justifyContent: 'center',
        alignItems: 'center',
        backgroundColor: '#F5FCFF',
    },
    welcome: {
        fontSize: 20,
        textAlign: 'center',
        margin: 10,
    },
    action: {
        textAlign: 'center',
        color: '#0000FF',
        marginVertical: 5,
        fontWeight: 'bold',
    },
    instructions: {
        textAlign: 'center',
        color: '#333333',
        marginBottom: 5,
    },
    stat: {
        textAlign: 'center',
        color: '#B0171F',
        marginBottom: 1,
    },
    baseArea: {
        width: '100%',
        height: 30,
        borderRadius: 4,
        borderColor: '#000000',
        marginTop: 6,
        backgroundColor: '#FFFFFF',
        flexDirection: 'row',
        alignItems: 'center',
        paddingLeft: 8,
        paddingRight: 8,
        marginBottom: 20,
    },
});

export default VoiceTest;

使用说明

[!TIP] 语音识别依赖系统麦克风权限,请先在 module.json5 中配置 ohos.permission.MICROPHONE 并在 string.json 中补充权限原因(详见「约束与限制 - 权限要求」)。HarmonyOS 侧暂仅支持离线识别、暂仅支持中文。

初始化与事件绑定

import Voice, {
  SpeechRecognizedEvent,
  SpeechResultsEvent,
  SpeechErrorEvent,
} from '@react-native-voice/voice';

// 绑定事件回调
Voice.onSpeechStart = (e) => console.log('开始识别', e);
Voice.onSpeechRecognized = (e) => console.log('识别中', e);
Voice.onSpeechEnd = (e) => console.log('结束识别', e);
Voice.onSpeechError = (e) => console.log('识别错误', e);
Voice.onSpeechResults = (e) => console.log('最终结果', e.value);
Voice.onSpeechPartialResults = (e) => console.log('部分结果', e.value);

开始 / 停止 / 取消 / 销毁

// 开始识别,传入语言 locale
await Voice.start('zh-CN');

// 停止识别(会触发 onSpeechEnd 与 onSpeechResults)
await Voice.stop();

// 取消识别(不触发结果回调)
await Voice.cancel();

// 销毁识别实例,释放资源
await Voice.destroy();

可用性 / 识别状态查询

// 检查语音识别服务是否可用(返回 0 | 1)
const available = await Voice.isAvailable();

// 检查是否正在识别(返回 0 | 1)
const recognizing = await Voice.isRecognizing();

[!WARNING] 组件卸载时应调用 Voice.destroy() 释放资源,并配合 Voice.removeAllListeners() 清理回调,避免内存泄漏。注意 HarmonyOS 侧 removeAllListeners 当前未生效(与 iOS 效果一致,见「其他」)。

接口说明

[!TIP] "Platform"列表示该属性在原三方库上支持的平台。

[!TIP] "HarmonyOS Support"列为 yes 表示 HarmonyOS 平台支持该属性;no 则表示不支持;partially 表示部分支持。使用方法跨平台一致,效果对标 iOS 或 Android 的效果。

详情见 react-native-voice/voice

API

| Name | Description | Type | Required | Platform | HarmonyOS Support | | ---- | ----------- | ---- | -------- | -------- | ------------------ | | isAvailable() | 检查语音识别服务是否可用 | function | no | Android, iOS | yes | | start(locale: any, options = {}) | 开始语音识别 | function | no | Android, iOS | yes | | stop() | 停止语音识别 | function | no | Android, iOS | yes | | cancel() | 取消语音识别 | function | no | Android, iOS | yes | | destroy() | 销毁语音识别实例 | function | no | Android, iOS | yes | | removeAllListeners() | 清除覆盖的 Voice 静态方法 | void | no | Android, iOS | no | | isRecognizing() | 检查是否正在识别 | function | no | Android, iOS | yes | | getSpeechRecognitionServices() | 获取设备上可用的语音识别引擎列表 | function | no | Android | no |

事件回调

| Name | Description | Type | Required | Platform | HarmonyOS Support | | ---- | ----------- | ---- | -------- | -------- | ------------------ | | Voice.onSpeechStart(event) | 语音开始事件 | function | no | Android, iOS | yes | | Voice.onSpeechRecognized(event) | 语音识别事件 | function | no | Android, iOS | yes | | Voice.onSpeechEnd(event) | 语音结束事件 | function | no | Android, iOS | yes | | Voice.onSpeechError(event) | 语音错误事件 | function | no | Android, iOS | yes | | Voice.onSpeechResults(event) | 语音结果事件 | function | no | Android, iOS | yes | | Voice.onSpeechPartialResults(event) | 部分结果事件 | function | no | Android, iOS | yes | | Voice.onSpeechVolumeChanged(event) | 音量变化事件 | function | no | Android | no |

遗留问题

  • 原库支持在线和离线模式,HarmonyOS 侧暂只支持离线。问题: issue#2
  • 原库支持多种区域和语言,HarmonyOS 侧暂只支持中文。问题: issue#3

其他

  • removeAllListeners 方法未生效,与 iOS 效果一致。问题: issue#491

目录结构

/rntpc_voice  # 项目根目录
├── harmony                          # 鸿蒙适配代码
│    └─ voice.har                       # har 包
│    └─ voice                           # 鸿蒙适配核心代码
│          └─ index.ets                 # 鸿蒙适配代码入口
│          └─ ts.ets                    # ArkTS 侧类型导出入口
│          └─ src/main
│              └─ ets
│                  └─ RNVoiceTurboModule.ts   # 鸿蒙侧 TurboModule 实现
│                  └─ RNVoicePackage.ets      # 鸿蒙侧 Package
│                  └─ Constants.ts            # 常量定义
│                  └─ Logger.ts               # 日志工具
│              └─ cpp
│                  └─ VoicePackage.h          # C++ 侧 Package
│                  └─ CMakeLists.txt           # C++ 侧构建配置
│                  └─ generated               # codegen 生成代码
├── src                              # RN 代码
│    └─ index.ts                     # 入口文件
│    └─ VoiceModule.ts               # Voice 模块实现
│    └─ VoiceModuleTypes.ts          # 类型定义文件
├── example                          # 示例工程(见使用示例)
├── README.md                        # 中文文档
├── README_en.md                     # 英文文档

贡献代码

使用过程中发现任何问题都可以提交 Issue,当然,也非常欢迎提交 PR

开源协议

本项目基于 The MIT License (MIT) ,请自由地享受和参与开源。