react-native-trustee-pdf

A react native PDF view component (cross-platform support)

Feature

• read a PDF from url, blob, local file or asset and can cache it.
• display horizontally or vertically
• drag and zoom
• double tap for zoom
• support password protected pdf
• jump to a specific page in the pdf

🚨 Expo: This package is not available in the Expo Go app. Learn how you can use this package in Custom Dev Clients via the out-of-tree Expo Config Plugin. Example: with-pdf.

Installation

# Using npm
npm install react-native-trustee-pdf --save

# or using yarn:
yarn add react-native-trustee-pdf

Then follow the instructions for your platform to link react-native-pdf into your project:

iOS installation

React Native 0.60 and above

Run pod install in the ios directory. Linking is not required in React Native 0.60 and above.

React Native 0.59 and below

react-native link react-native-trustee-pdf

Android installation

If you use RN 0.59.0 and above, please add following to your android/app/build.gradle**

android {

+    packagingOptions {
+       pickFirst 'lib/x86/libc++_shared.so'
+       pickFirst 'lib/x86_64/libjsc.so'
+       pickFirst 'lib/arm64-v8a/libjsc.so'
+       pickFirst 'lib/arm64-v8a/libc++_shared.so'
+       pickFirst 'lib/x86_64/libc++_shared.so'
+       pickFirst 'lib/armeabi-v7a/libc++_shared.so'
+     }

   }

React Native 0.59.0 and below

react-native link react-native-trustee-pdf

Windows installation

• Open your solution in Visual Studio 2019 (eg. windows\yourapp.sln)
• Right-click Solution icon in Solution Explorer > Add > Existing Project...
• If running RNW 0.62: add node_modules\react-native-pdf\windows\RCTPdf\RCTPdf.vcxproj
• If running RNW 0.62: add node_modules\react-native-blob-util\windows\ReactNativeBlobUtil\ReactNativeBlobUtil.vcxproj
• Right-click main application project > Add > Reference...
• Select progress-view and in Solution Projects
  • If running 0.62, also select RCTPdf and ReactNativeBlobUtil
• In app pch.h add #include "winrt/RCTPdf.h"
  • If running 0.62, also select #include "winrt/ReactNativeBlobUtil.h"
• In App.cpp add PackageProviders().Append(winrt::progress_view::ReactPackageProvider()); before InitializeComponent();
  • If running RNW 0.62, also add PackageProviders().Append(winrt::RCTPdf::ReactPackageProvider()); and PackageProviders().Append(winrt::ReactNativeBlobUtil::ReactPackageProvider());

Bundling PDFs with the app

To add a test.pdf like in the example add:

<None Include="..\..\test.pdf">
  <DeploymentContent>true</DeploymentContent>
</None>

in the app .vcxproj file, before <None Include="packages.config" />.

FAQ

Q1. After installation and running, I can not see the pdf file.
A1: maybe you forgot to excute react-native link or it does not run correctly. You can add it manually. For detail you can see the issue #24 and #2

Q2. When running, it shows 'Pdf' has no propType for native prop RCTPdf.acessibilityLabel of native type 'String'
A2. Your react-native version is too old, please upgrade it to 0.47.0+ see also #39

Q3. When I run the example app I get a white/gray screen / the loading bar isn't progressing .
A3. Check your uri, if you hit a pdf that is hosted on a http you will need to do the following:

iOS: add an exception for the server hosting the pdf in the ios info.plist. Here is an example :

<key>NSAppTransportSecurity</key>
<dict>
  <key>NSExceptionDomains</key>
  <dict>
    <key>yourserver.com</key>
    <dict>
      <!--Include to allow subdomains-->
      <key>NSIncludesSubdomains</key>
      <true/>
      <!--Include to allow HTTP requests-->
      <key>NSTemporaryExceptionAllowsInsecureHTTPLoads</key>
      <true/>
      <!--Include to specify minimum TLS version-->
      <key>NSTemporaryExceptionMinimumTLSVersion</key>
      <string>TLSv1.1</string>
    </dict>
  </dict>
</dict>

Android: see here

Q4. why doesn't it work with react native expo?.
A4. Expo does not support native module. you can read more expo caveats here

Q5. Why can't I run the iOS example? 'Failed to build iOS project. We ran "xcodebuild" command but it exited with error code 65.'
A5. Run the following commands in the project folder (e.g. react-native-trustee-pdf/example) to ensure that all dependencies are available:

yarn install (or npm install)
cd ios
pod install
cd ..
react-native run-ios

Example

import React from 'react';
import { StyleSheet, Dimensions, View } from 'react-native';
import Pdf from 'react-native-trustee-pdf';

export default class PDFExample extends React.Component {
    render() {
        const source = {uri:"data:application/pdf;base64,JVBERi0xLjcKJc..."};

        //const source = require('./test.pdf');  // ios only
        //const source = {uri:'bundle-assets://test.pdf' };
        //const source = {uri:'file:///sdcard/test.pdf'};

        return (
            <View style={styles.container}>
                <Pdf
                    source={source}
                    onLoadComplete={(numberOfPages,filePath) => {
                        console.log(`Number of pages: ${numberOfPages}`);
                    }}
                    onPageChanged={(page,numberOfPages) => {
                        console.log(`Current page: ${page}`);
                    }}
                    onError={(error) => {
                        console.log(error);
                    }}
                    onPressLink={(uri) => {
                        console.log(`Link pressed: ${uri}`);
                    }}
                    style={styles.pdf}/>
            </View>
        )
    }
}

const styles = StyleSheet.create({
    container: {
        flex: 1,
        justifyContent: 'flex-start',
        alignItems: 'center',
        marginTop: 25,
    },
    pdf: {
        flex:1,
        width:Dimensions.get('window').width,
        height:Dimensions.get('window').height,
    }
});

Configuration

| Property | Type | Default | Description | iOS | Android | Windows | FirstRelease | | ------------- |:-------------:|:----------------:| ------------------- | ------| ------- | ------- | ------------ | | source | object | not null | PDF source like {uri:xxx, cache:false}. see the following for detail.| ✔ | ✔ | ✔ | <3.0 | | page | number | 1 | initial page index | ✔ | ✔ | ✔ | <3.0 | | scale | number | 1.0 | should minScale<=scale<=maxScale| ✔ | ✔ | ✔ | <3.0 | | minScale | number | 1.0 | min scale| ✔ | ✔ | ✔ | 5.0.5 | | maxScale | number | 3.0 | max scale| ✔ | ✔ | ✔ | 5.0.5 | | horizontal | bool | false | draw page direction, if you want to listen the orientation change, you can use [react-native-orientation-locker]| ✔ | ✔ | ✔ | <3.0 | | showsHorizontalScrollIndicator | bool | true | shows or hides the horizontal scroll bar indicator on iOS| ✔ | | | 6.6 | | showsVerticalScrollIndicator | bool | true | shows or hides the vertical scroll bar indicator on iOS| ✔ | | | 6.6 | | fitWidth | bool | false | if true fit the width of view, can not use fitWidth=true together with scale| ✔ | ✔ | ✔ | <3.0, abandoned from 3.0 | | fitPolicy | number | 2 | 0:fit width, 1:fit height, 2:fit both(default)| ✔ | ✔ | ✔ | 3.0 | | spacing | number | 10 | the breaker size between pages| ✔ | ✔ | ✔ | <3.0 | | password | string | "" | pdf password, if password error, will call OnError() with message "Password required or incorrect password." | ✔ | ✔ | ✔ | <3.0 | | style | object | {backgroundColor:"#eee"} | support normal view style, you can use this to set border/spacing color... | ✔ | ✔ | ✔ | <3.0 | | renderActivityIndicator | (progress) => Component | | when loading show it as an indicator, you can use your component| ✔ | ✔ | ✖ | <3.0 | | enableAntialiasing | bool | true | improve rendering a little bit on low-res screens, but maybe course some problem on Android 4.4, so add a switch | ✖ | ✔ | ✖ | <3.0 | | enablePaging | bool | false | only show one page in screen | ✔ | ✔ | ✔ | 5.0.1 | | enableRTL | bool | false | scroll page as "page3, page2, page1" | ✔ | ✖ | ✔ | 5.0.1 | | enableAnnotationRendering | bool | true | enable rendering annotation, notice:iOS only support initial setting,not support realtime changing | ✔ | ✔ | ✖ | 5.0.3 | | trustAllCerts | bool | true | Allow connections to servers with self-signed certification | ✔ | ✔ | ✖ | 6.0.? | | singlePage | bool | false | Only show first page, useful for thumbnail views | ✔ | ✔ | ✔ | 6.2.1 | | onLoadProgress | function(percent) | null | callback when loading, return loading progress (0-1) | ✔ | ✔ | ✖ | <3.0 | | onLoadComplete | function(numberOfPages, path, {width, height}, tableContents) | null | callback when pdf load completed, return total page count, pdf local/cache path, {width,height} and table of contents | ✔ | ✔ | ✔ but without tableContents | <3.0 | | onPageChanged | function(page,numberOfPages) | null | callback when page changed ,return current page and total page count | ✔ | ✔ | ✔ | <3.0 | | onError | function(error) | null | callback when error happened | ✔ | ✔ | ✔ | <3.0 | | onPageSingleTap | function(page) | null | callback when page was single tapped | ✔ | ✔ | ✔ | 3.0 | | onScaleChanged | function(scale) | null | callback when scale page | ✔ | ✔ | ✔ | 3.0 | | onPressLink | function(uri) | null | callback when link tapped | ✔ | ✔ | ✖ | 6.0.0 |

parameters of source

| parameter | Description | default | iOS | Android | Windows | | ------------ | ----------- | ------- | --- | ------- | ------- | | uri | pdf source, see the forllowing for detail.| required | ✔ | ✔ | ✔ | | cache | use cache or not | false | ✔ | ✔ | ✖ | | cacheFileName | specific file name for cached pdf file | SHA1(uri) result | ✔ | ✔ | ✖ | | expiration | cache file expired seconds (0 is not expired) | 0 | ✔ | ✔ | ✖ | | method | request method when uri is a url | "GET" | ✔ | ✔ | ✖ | | headers | request headers when uri is a url | {} | ✔ | ✔ | ✖ |

types of source.uri

| Usage | Description | iOS | Android | Windows | | ------------ | ----------- | --- | ------- | ------- | | {require("./test.pdf")} | load pdf relate to js file (do not need add by xcode) | ✔ | ✖ | ✖ | | {uri:"bundle-assets://path/to/xxx.pdf"} | load pdf from assets, the file should be at android/app/src/main/assets/path/to/xxx.pdf | ✖ | ✔ | ✖ | | {uri:"bundle-assets://xxx.pdf"} | load pdf from assets, you must add pdf to project by xcode. this does not support folder. | ✔ | ✖ | ✖ | | {uri:"data:application/pdf;base64,JVBERi0xLjcKJc..."} | load pdf from base64 string | ✔ | ✔ | ✔ | | {uri:"file:///absolute/path/to/xxx.pdf"} | load pdf from local file system | ✔ | ✔ | ✔ | | {uri:"ms-appx:///xxx.pdf"}} | load pdf bundled with UWP app | ✖ | ✖ | ✔ |

*) requires building React Native from source with this patch

Methods

• setPage

Methods operate on a ref to the PDF element. You can get a ref with the following code:

return (
  <Pdf
    ref={(pdf) => { this.pdf = pdf; }}
    source={source}
    ...
  />
);

setPage()

setPage(pageNumber)

Set the current page of the PDF component. pageNumber is a positive integer. If pageNumber > numberOfPages, current page is not changed.

Example:

this.pdf.setPage(42); // Display the answer to the Ultimate Question of Life, the Universe, and Everything