compdfkit_flutter 1.13.0-dev.2

ComPDFKit for Flutter is a comprehensive SDK that allows you to quickly add PDF functionality to Android and iOS Flutter applications.

example/lib/main.dart

///  Copyright © 2014-2024 PDF Technologies, Inc. All Rights Reserved.
///
///  THIS SOURCE CODE AND ANY ACCOMPANYING DOCUMENTATION ARE PROTECTED BY INTERNATIONAL COPYRIGHT LAW
///  AND MAY NOT BE RESOLD OR REDISTRIBUTED. USAGE IS BOUND TO THE ComPDFKit LICENSE AGREEMENT.
///  UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS SUBJECT TO CIVIL AND CRIMINAL PENALTIES.
///  This notice may not be removed from this file.

import 'dart:io';

import 'package:compdfkit_flutter/compdfkit.dart';
import 'package:compdfkit_flutter/cpdf_configuration.dart';
import 'package:compdfkit_flutter/cpdf_options.dart';
import 'package:file_picker/file_picker.dart';

import 'package:flutter/material.dart';

const String DOCUMENT_PATH = 'pdfs/PDF_Document.pdf';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    super.initState();
    _init();
  }

  void _init() async {
    // online license auth
    // Please replace it with your ComPDFKit license
    // ComPDFKit.initialize(
    //     androidOnlineLicense: 'android platform compdfkit online license',
    //     iosOnlineLicense: 'ios platform compdfkit online license');

    // offline license auth
    ComPDFKit.init(
        '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');
  }

  void pickDocument() async {
    FilePickerResult? result = await FilePicker.platform.pickFiles(
      type: FileType.custom,
      allowedExtensions: ['pdf'],
    );
    if (result != null) {
      ComPDFKit.openDocument(result.files.first.path!,
          password: '', configuration: CPDFConfiguration());
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
          body: SafeArea(
              child: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            ElevatedButton(
                onPressed: () async {
                  showDocument(context);
                },
                child: const Text('Open Document')),
            ElevatedButton(
                onPressed: () async {
                  pickDocument();
                },
                child: const Text('Pick Document'))
          ],
        ),
      ))),
    );
  }

  void showDocument(BuildContext context) async {
    final bytes = await DefaultAssetBundle.of(context).load(DOCUMENT_PATH);
    final list = bytes.buffer.asUint8List();
    final tempDir = await ComPDFKit.getTemporaryDirectory();
    var pdfsDir = Directory('${tempDir.path}/pdfs');
    pdfsDir.createSync(recursive: true);
    final tempDocumentPath = '${tempDir.path}/$DOCUMENT_PATH';
    final file = File(tempDocumentPath);
    if (!file.existsSync()) {
      file.create(recursive: true);
      file.writeAsBytesSync(list);
    }

    var configuration = CPDFConfiguration(
        toolbarConfig: const ToolbarConfig(androidAvailableActions: [
          ToolbarAction.back,
          ToolbarAction.thumbnail,
          ToolbarAction.search,
          ToolbarAction.bota,
          ToolbarAction.menu,
        ]),
        readerViewConfig: const ReaderViewConfig(pageSameWidth: true));
    // How to disable functionality:
    // setting the default display mode when opening
    //      configuration.modeConfig = const ModeConfig(initialViewMode: CPreviewMode.digitalSignatures);
    // top toolbar configuration:
    // android:
    //      configuration.toolbarConfig = const ToolbarConfig(androidAvailableActions: [
    //           ToolbarAction.thumbnail, ToolbarAction.bota,
    //           ToolbarAction.search, ToolbarAction.menu
    //      ],
    //      availableMenus: [
    //        ToolbarMenuAction.viewSettings, ToolbarMenuAction.documentInfo, ToolbarMenuAction.security,
    //      ]);
    // iOS:
    //      configuration.toolbarConfig = const ToolbarConfig(iosLeftBarAvailableActions: [
    //          ToolbarAction.back, ToolbarAction.thumbnail
    //      ],
    //      iosRightBarAvailableActions: [
    //        ToolbarAction.bota, ToolbarAction.search, ToolbarAction.menu
    //      ],
    //      availableMenus: [
    //        ToolbarMenuAction.viewSettings, ToolbarMenuAction.documentInfo, ToolbarMenuAction.security,
    //      ]);
    // readerview configuration
    //      configuration.readerViewConfig = const ReaderViewConfig(linkHighlight: true, formFieldHighlight: true);
    ComPDFKit.openDocument(tempDocumentPath,
        password: '', configuration: configuration);
  }
}