An auto height webview for React Native

by React Native Example

react-native-autoheight-webview

An auto height webview for React Native.

npm install react-native-autoheight-webview --save (rn >= 0.47)

npm install react-native-autoheight-webview@0.3.1 --save (0.44 <= rn < 0.47)

npm install react-native-autoheight-webview@0.2.3 --save (rn < 0.44)

android

react-native link react-native-autoheight-webview

showcase

 

usage

<AutoHeightWebView
    onHeightUpdated={height => console.log(height)},
    // if page contains iframe on iOS, use a specific script for it
    hasIframe={true}
    /*
    if set to false may cause some layout issues (width of container not fit for screen) on android
    if set to true may cause some layout issues (smaller font size) on iOS
    */
    scalesPageToFit={Platform.OS === 'android' ? true : false}
    // baseUrl not work in android 4.3 or below version
    enableBaseUrl={true}
    // offset of rn webview margin 
    heightOffset={5}
    // default width is the width of screen
    // if there are some text selection issues on iOS, the width should be reduced more than 15 and the marginTop should be added more than 35
    style={{ width: Dimensions.get('window').width - 15, marginTop: 35 }}
    // enable animation by default
    enableAnimation={true},
    // only works on enable animation
    animationDuration={255},
    // or uri
    source={{ html: `<p style="font-weight: 400;font-style: normal;font-size: 21px;line-height: 1.58;letter-spacing: -.003em;">Tags are great for describing the essence of your story in a single word or phrase, but stories are rarely about a single thing. <span style="background-color: transparent !important;background-image: linear-gradient(to bottom, rgba(146, 249, 190, 1), rgba(146, 249, 190, 1));">If I pen a story about moving across the country to start a new job in a car with my husband, two cats, a dog, and a tarantula, I wouldn’t only tag the piece with “moving”. I’d also use the tags “pets”, “marriage”, “career change”, and “travel tips”.</span></p>` }}
    // use local or remote files
    files={[{
        href: 'cssfileaddress',
        type: 'text/css',
        rel: 'stylesheet'
    }]}
    // change script (have to change source to reload on android)
    customScript={`document.body.style.background = 'lightyellow';`}
    // rn WebView callbacks
    onError={() => console.log('on error')}
    onLoad={() => console.log('on load')}
    onLoadStart={() => console.log('on load start')}
    onLoadEnd={() => console.log('on load end')}
    // only on iOS
    onShouldStartLoadWithRequest={result => {
      console.log(result)
      return true;
    }}
    // add custom CSS to the page's <head>
    customStyle={`
      * {
        font-family: 'Times New Roman';
      }
      p {
        font-size: 16px;
      }
    `}
  />

GitHub