Library for displaying PDF documents in react-native

• android - uses Android PdfViewer. Targets minSdkVersion 21 (required by setClipToOutline) and above. By default stable version 2.8.2 is used. It's also possible to override it and use 3.1.0-beta.1 (this version allows to handle links, etc. and will be used when Android PdfViewer stable version is released). To change the version, define it in your build file:

buildscript {
  ext {
    ...
    pdfViewerVersion = "3.1.0-beta.1"
  }
  ...
}

Barteksc PdfViewer uses JCenter, which should be read-only indefinitely, but in case the host project does not use it, there is a possibility to use mhiew/AndroidPdfViewer which is a fork published on mavenCentral. To use it, define the following configuration in your gradle script:

buildscript {
 ext {
   ...
   pdfViewerVersion = "3.2.0-beta.1"
   pdfViewerRepo = "com.github.mhiew"
 }
 ...
}

• ios - uses WKWebView. Targets iOS9.0 and above

• zero NPM dependencies

$ npm install react-native-view-pdf --save

From RN 0.60 there is no need to link - Native Modules are now Autolinked

$ react-native link

If it doesn't work follow the official react native documentation

In your Xcode project directory open Podfile and add the following line:

pod 'RNPDF', :path => '../node_modules/react-native-view-pdf'

And install:

pod install

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

• Add import com.rumax.reactnative.pdfviewer.PDFViewPackage; to the imports at the top of the file
• Add new PDFViewPackage() to the list returned by the getPackages() method

2. Append the following lines to android/settings.gradle:

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

3. Insert the following lines inside the dependencies block in android/app/build.gradle:

   compile project(':react-native-view-pdf')
   

The Android project tries to retrieve the following properties:

• compileSdkVersion
• buildToolsVersion
• minSdkVersion
• targetSdkVersion

from the ext object if you have one defined in your Android's project root (you can read more about it here). If not, it falls back to its current versions (check the gradle file for additional information).

ReactWindows

N/A

Android	iOS

// With Flow type annotations (https://flow.org/)
import PDFView from 'react-native-view-pdf';
// Without Flow type annotations
// import PDFView from 'react-native-view-pdf/lib/index';

const resources = {
  file: Platform.OS === 'ios' ? 'downloadedDocument.pdf' : '/sdcard/Download/downloadedDocument.pdf',
  url: 'https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf',
  base64: 'JVBERi0xLjMKJcfs...',
};

export default class App extends React.Component {
  render() {
    const resourceType = 'url';

    return (
      <View style={{ flex: 1 }}>
        {/* Some Controls to change PDF resource */}
        <PDFView
          fadeInDuration={250.0}
          style={{ flex: 1 }}
          resource={resources[resourceType]}
          resourceType={resourceType}
          onLoad={() => console.log(`PDF rendered from ${resourceType}`)}
          onError={(error) => console.log('Cannot render PDF', error)}
        />
      </View>
    );
  }
}

Use the demo project to:

• Test the component on both android and iOS
• Render PDF using URL, BASE64 data or local file
• Handle error state

Allows to reload the PDF document. This can be useful in such cases as network issues, document is expired, etc. To reload the document you will need a ref to the component:

...

render() {
  return (
    <PDFView
      ...
      ref={(ref) => this._pdfRed = ref} />
  );
}

And trigger it by calling reloadPDF:

reloadPDF = async () => {
  const pdfRef = this._pdfRef;

  if (!pdfRef) {
    return;
  }

  try {
    await pdfRef.reload();
  } catch (err) {
    console.err(err.message);
  }
}

Or check the demo project which also includes this functionality.

On android for the file type it is required to request permissions to read/write. You can get more information in PermissionsAndroid section from react native or Request App Permissions from android documentation. Demo project provides an example how to implement it using Java, check the MainActivity.java and AndroidManifest.xml files.

Before trying file type in demo project, open sdcard/Download folder in Device File Explorer and store some downloadedDocument.pdf document that you want to render.

On iOS, when using resource file you can specify where to look for the file with fileFrom. If you do not pass any value, the component will lookup in two places. First, it will attempt to locate the file in the Bundle. If it cannot locate it there, it will search the Documents directory. For more information on the iOS filesystem access at runtime of an application please refer the official documentation. Note here that the resource will always need to be a relative path from the Documents directory for example and also do NOT put the scheme in the path (so no file://.....).

You can find an example of both usage of the Bundle and Documents directory for rendering a pdf from file on iOS in the demo project.

In demo project you can also run the simple server to serve PDF file. To do this navigate to demo/utils/ and start the server node server.js. (Do not forget to set proper IP adress of the server in demo/App.js)

MIT

• sanderfrenken
• rumax

• Generated with react-native-create-library
• Zero JavaScript dependency. Which means that you do not bring other dependencies to your project
• If you think that something is missing or would like to propose new feature, please, discuss it with authors
• Please, feel free to ⭐️ the project. This gives us a confidence that you like it and we did a great job by publishing and supporting it 🤩
• If you are using ProGuard, add following rule to proguard config file:

    -keep class com.shockwave.**