中文文档(Usage in Chinese)

react-native-speech-recognizer

A speech-recongintion library for React Native(Support Chinese and English),Chinese is dependent on baidu API.

install

npm install react-native-speech-recognizer --save

Linking

Automatic

react-native link react-native-speech-recognizer

Manual

Make alterations to the following files in your project:

Android

1. Add following lines to android/settings.gradle

...
include ':react-native-speech-recognizer'
project(':react-native-speech-recognizer').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-speech-recognizer/android')
...

2. Add the compile line to dependencies in android/app/build.gradle

...
dependencies {
    ...
    compile project(':react-native-speech-recognizer')
    ...
}

3. Add import and link the package in android/app/src/.../MainApplication.java

import port com.zhangxiaoduo.rnsr.SpeechRecognitionPackage;  // <--- add import

public class MainApplication extends Application implements ReactApplication {
    // ...
    @Override
    protected List<ReactPackage> getPackages() {
        return Arrays.<ReactPackage>asList(
            new MainReactPackage(),
            // ...
            new SpeechRecognitionPackage()                      // <--- add package
        );
    }

IOS

1. In the XCode's "Project navigator", right click on your project's Libraries folder ➜ Add Files to <...>
2. Go to node_modules ➜ react-native-speech-recognizer ➜ ios ➜ select SpeechRecognition.xcodeproj
3. Add SpeechRecognition.a to Build Phases -> Link Binary With Libraries

Permission

Android

1. Add permission in android/app/src/main/AndroidManifest.xml

<uses-permission android:name="android.permission.RECORD_AUDIO"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>

2. Since Android M(6.0), user need to grant permission at runtime.
   Add following lines to android/app/src/.../MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    checkAndRequestPermissions();
}
private void checkAndRequestPermissions() {
      int sdkVersion = Build.VERSION.SDK_INT;
      if (sdkVersion >= Build.VERSION_CODES.M) {
          if (ActivityCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO)
                  != PackageManager.PERMISSION_GRANTED
                  || ActivityCompat.checkSelfPermission(this, Manifest.permission.INTERNET)
                  != PackageManager.PERMISSION_GRANTED
                  || ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_NETWORK_STATE)
                  != PackageManager.PERMISSION_GRANTED
                  || ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE)
                  != PackageManager.PERMISSION_GRANTED) {
              ActivityCompat.requestPermissions(this,
                      new String[]{Manifest.permission.RECORD_AUDIO,
                              Manifest.permission.INTERNET,
                              Manifest.permission.ACCESS_NETWORK_STATE,
                              Manifest.permission.READ_PHONE_STATE
                      },
                      1);
          }
      }
  }

3. Add your APP_ID,API_KEY,SECRET_KEY in android/app/src/main/AndroidManifest.xml
   Click here to get your own APP_ID,API_KEY,SECRET_KEY

<application
    ...
    <meta-data
        android:name="com.baidu.speech.APP_ID"
        android:value="10337431" />
    <meta-data
        android:name="com.baidu.speech.API_KEY"
        android:value="Ptivienw5Qx75uRnKalq7Eq2" />
   <meta-data
       android:name="com.baidu.speech.SECRET_KEY"
       android:value="bd5c689721bfa3530330c677e87303a6" />
    ...
</application>

IOS

Add permission to your Info.plist

<dict>
  ...
  <key>NSSpeechRecognitionUsageDescription</key>
  <string>Your usage description here</string>
  <key>NSMicrophoneUsageDescription</key>
  <string>Your usage description here</string>
  ...
</dict>

Usage

import SpeechRecognizer from 'react-native-speech-recognizer';

...

componentWillMount() {
    this.state = {
        result: '';
    };
    SpeechRecognizer.init(result=>this.setState({result}));
}

...

componentWillUnmount() {
    SpeechRecognizer.end();
}

...

render() {
//SpeechRecognizer.start('zh'); 'zh' or 'eng',default:'zh'
...
    <TouchableOpacity 
        onPressIn={()=> SpeechRecognizer.start('zh')} 
        onPressOut={()=> SpeechRecognizer.finish()}>
        ...
    </TouchableOpacity>
    <Text>{this.state.result}</Text>
...
}