React-native-webview-rtc NPM

react-native-webview-rtc

this is customization library of react-native-webview-android.

Getting started

$ npm install react-native-webview-rtc --save

Mostly automatic installation

$ react-native link react-native-webview-rtc

Manual installation

Android

Open up android/app/src/main/java/[...]/MainApplication.java

Add import com.webviewrtc.RNWebviewPackage; to the imports at the top of the file
Add new RNWebviewPackage() to the list returned by the getPackages() method

Append the following lines to android/settings.gradle:

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

Insert the following lines inside the dependencies block in android/app/build.gradle:
```
  compile project(':react-native-webview-rtc')
```

Sample Android Manifest

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />

Usage

const WebViewAndroid = require('react-native-webview-rtc');

var SITE_URL = 'https://react-native-webrtc.herokuapp.com';
var URL_DOMAIN = 'react-native-webrtc.herokuapp.com';

// inside react class
constructor(props){
    super(props);
    this.state = {
                url: SITE_URL,
                status: 'No Page Loaded',
                backButtonEnabled: false,
                forwardButtonEnabled: false,
                loading: true,
                messageFromWebView: null
        }
}

goBack() {
  // you can use this callback to control web view
  this.refs.webViewAndroidSample.goBack();
}

goForward() {
  this.refs.webViewAndroidSample.goForward();
}
reload () {
  this.refs.webViewAndroidSample.reload();
}

stopLoading () {
  // stops the current load
  this.refs.webViewAndroidSample.stopLoading();
}

postMessage (data) {
  // posts a message to web view
  this.refs.webViewAndroidSample.postMessage(data);
}

evaluateJavascript (data) {
  // evaluates javascript directly on the webview instance
  this.refs.webViewAndroidSample.evaluateJavascript(data);
}

injectJavaScript (script) {
  // executes JavaScript immediately in web view
  this.refs.webViewAndroidSample.injectJavaScript(script);
}

onShouldStartLoadWithRequest (event) {

  console.log('App.js -> onShouldStartLoadWithRequest () ...');
  // currently only url & navigationState are returned

  console.log('event.url = ', event.url);
  console.log('navigatinalstate = ', event.navigationState);

    if (event.url.indexOf({URL_DOMAIN} >=0 )) {
      return true;
    } else {
      return false;
    }
}

onNavigationStateChange = (event) => {
    console.log('App.js -> onNavigationStateChange () ...');
    console.log(event);
    this.setState({
      forwardButtonEnabled: event.canGoForward,
      backButtonEnabled: event.canGoBack,
      loading: event.loading,
      url: event.url,
      status: event.title
    });
}

onMessage (event) {
    console.log('App.js -> onMessage () ...');
    this.setState({
        messageFromWebView: event.message
    });
}

javascriptToInject () {
    return `
      $(document).ready(function() {
        $('a').click(function(event) {
          if ($(this).attr('href')) {
            var href = $(this).attr('href');
            window.webView.postMessage('Link tapped: ' + href);
          }
        })
      })
    `
}

render() {
  return (
    <WebViewAndroid
      ref="webViewAndroidSample"
      javaScriptEnabled={true}
      javaScriptEnabledAndroid={true}
      geolocationEnabled={false}
      builtInZoomControls={false}
      mediaPlayUserGesture={false}
      injectedJavaScript={this.javascriptToInject()}
      onShouldStartLoadWithRequest={this.onShouldStartLoadWithRequest}
      onNavigationStateChange={this.onNavigationStateChange}
      onMessage={this.onMessage}
      url={SITE_URL}
      style={styles.containerWebView}
    />
  );
}

const styles = StyleSheet.create({
  containerWebView: {
      flex: 1,
  },
});

or see App.js file in the library