pdf_merger 0.0.6 
pdf_merger: ^0.0.6 copied to clipboard
A new Flutter plugin for merge List of PDF files. It supports both android and IOS. Before call this package make sure you allow permission and file picker see example.
import 'dart:io';
import 'package:ext_storage/ext_storage.dart';
import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:open_file/open_file.dart';
import 'package:path_provider/path_provider.dart';
import 'package:pdf_merger/pdf_merger.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:get/get.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
List<PlatformFile> files;
List<String> filesPath;
String singleFile;
@override
void initState() {
super.initState();
clear();
}
@override
Widget build(BuildContext context) {
return GetMaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('PDF Merger'),
),
body: Center(
child: Container(
margin: EdgeInsets.all(25),
child: Column(children: [
TextButton(
style: ButtonStyle(overlayColor:
MaterialStateProperty.resolveWith<Color>(
(Set<MaterialState> states) {
if (states.contains(MaterialState.focused))
return Colors.red;
if (states.contains(MaterialState.hovered))
return Colors.green;
if (states.contains(MaterialState.pressed))
return Colors.blue;
return null; // Defer to the widget's default.
})),
child: Text(
"Chose File",
style: TextStyle(fontSize: 14.0),
),
onPressed: () {
multipleFilePicker();
},
),
SizedBox(height: 10),
TextButton(
style: ButtonStyle(overlayColor:
MaterialStateProperty.resolveWith<Color>(
(Set<MaterialState> states) {
if (states.contains(MaterialState.focused))
return Colors.red;
if (states.contains(MaterialState.hovered))
return Colors.green;
if (states.contains(MaterialState.pressed))
return Colors.blue;
return null; // Defer to the widget's default.
})),
child: Text(
"Merge Multiple PDF",
style: TextStyle(fontSize: 14.0),
),
onPressed: () {
callMethod(1);
},
),
SizedBox(height: 10),
TextButton(
style: ButtonStyle(overlayColor:
MaterialStateProperty.resolveWith<Color>(
(Set<MaterialState> states) {
if (states.contains(MaterialState.focused))
return Colors.red;
if (states.contains(MaterialState.hovered))
return Colors.green;
if (states.contains(MaterialState.pressed))
return Colors.blue;
return null; // Defer to the widget's default.
})),
child: Text(
"Create PDF From Multiple Image",
style: TextStyle(fontSize: 14.0),
),
onPressed: () {
callMethod(2);
},
),
SizedBox(height: 10),
TextButton(
style: ButtonStyle(overlayColor:
MaterialStateProperty.resolveWith<Color>(
(Set<MaterialState> states) {
if (states.contains(MaterialState.focused))
return Colors.red;
if (states.contains(MaterialState.hovered))
return Colors.green;
if (states.contains(MaterialState.pressed))
return Colors.blue;
return null; // Defer to the widget's default.
})),
child: Text(
"Create Image From PDF",
style: TextStyle(fontSize: 14.0),
),
onPressed: () {
singleFilePicker(1);
},
),
SizedBox(height: 10),
TextButton(
style: ButtonStyle(overlayColor:
MaterialStateProperty.resolveWith<Color>(
(Set<MaterialState> states) {
if (states.contains(MaterialState.focused))
return Colors.red;
if (states.contains(MaterialState.hovered))
return Colors.green;
if (states.contains(MaterialState.pressed))
return Colors.blue;
return null; // Defer to the widget's default.
})),
child: Text(
"Get File Size",
style: TextStyle(fontSize: 14.0),
),
onPressed: () {
singleFilePicker(2);
},
),
SizedBox(height: 10),
TextButton(
style: ButtonStyle(overlayColor:
MaterialStateProperty.resolveWith<Color>(
(Set<MaterialState> states) {
if (states.contains(MaterialState.focused))
return Colors.red;
if (states.contains(MaterialState.hovered))
return Colors.green;
if (states.contains(MaterialState.pressed))
return Colors.blue;
return null; // Defer to the widget's default.
})),
child: Text(
"Clear",
style: TextStyle(fontSize: 14.0),
),
onPressed: () {
clear();
},
),
SizedBox(height: 10),
TextButton(
style: ButtonStyle(overlayColor:
MaterialStateProperty.resolveWith<Color>(
(Set<MaterialState> states) {
if (states.contains(MaterialState.focused))
return Colors.red;
if (states.contains(MaterialState.hovered))
return Colors.green;
if (states.contains(MaterialState.pressed))
return Colors.blue;
return null; // Defer to the widget's default.
})),
child: Text(
"Build Info",
style: TextStyle(fontSize: 14.0),
),
onPressed: () {
buildInfo();
},
),
])),
),
),
);
}
clear() {
files = [];
filesPath = [];
singleFile = "";
}
multipleFilePicker() async {
bool isGranted = await checkPermission();
if (isGranted) {
try {
FilePickerResult result =
await FilePicker.platform.pickFiles(allowMultiple: true);
if (result != null) {
files.addAll(result.files);
for (int i = 0; i < result.files.length; i++) {
filesPath.add(result.files[i].path);
}
} else {
// User canceled the picker
}
} on Exception catch (e) {
print('never reached' + e.toString());
}
}
}
singleFilePicker(int type) async {
bool isGranted = GetPlatform.isIOS || GetPlatform.isAndroid
? await checkPermission()
: true;
if (isGranted) {
try {
FilePickerResult result =
await FilePicker.platform.pickFiles(allowMultiple: false);
if (result != null) {
singleFile = result.files[0].path;
switch (type) {
case 1:
callMethod(3);
break;
case 2:
callMethod(4);
break;
}
} else {
// User canceled the picker
}
} on Exception catch (e) {
print('never reached' + e.toString());
}
}
}
callMethod(int type) async {
switch (type) {
case 1:
String dirPath = await getFilePath("TestPDFMerger");
mergeMultiplePDF(dirPath);
break;
case 2:
String dirPath = await getFilePath("TestPDFMerger");
createPDFWithMultipleImage(dirPath);
break;
case 3:
String dirPath = await getFilePathImage("TestPDFMerger");
createImageFromPDF(dirPath);
break;
case 4:
sizeForLocalFilePath();
break;
}
}
Future<void> mergeMultiplePDF(outputDirPath) async {
/// Platform messages may fail, so we use a try/catch PlatformException.
try {
/// Get response either success or error
MergeMultiplePDFResponse response = await PdfMerger.mergeMultiplePDF(
paths: filesPath, outputDirPath: outputDirPath);
Get.snackbar("Info", response.message);
if (response.status == "success") {
OpenFile.open(response.response);
}
print(response.status);
} on PlatformException {
print('Failed to get platform version.');
}
}
Future<void> createPDFWithMultipleImage(outputDirPath) async {
/// Platform messages may fail, so we use a try/catch PlatformException.
try {
/// Get response either success or error
CreatePDFFromMultipleImageResponse response =
await PdfMerger.createPDFFromMultipleImage(
paths: filesPath, outputDirPath: outputDirPath);
Get.snackbar("Info", response.message);
if (response.status == "success") {
OpenFile.open(response.response);
}
print(response.status);
} on PlatformException {
print('Failed to get platform version.');
}
}
Future<void> createImageFromPDF(outputDirPath) async {
/// Platform messages may fail, so we use a try/catch PlatformException.
try {
/// Get response either success or error
CreateImageFromPDFResponse response = await PdfMerger.createImageFromPDF(
path: singleFile, outputDirPath: outputDirPath, createOneImage: true);
Get.snackbar("Info", response.status);
if (response.status == "success") {
OpenFile.open(response.response[0]);
}
print(response.message);
} on PlatformException {
print('Failed to get platform version.');
}
}
Future<void> sizeForLocalFilePath() async {
/// Platform messages may fail, so we use a try/catch PlatformException.
try {
/// Get response either success or error
SizeFormPathResponse response =
await PdfMerger.sizeFormPath(path: singleFile);
if (response.status == "success") {
Get.snackbar("Info", response.response);
}
print(response.status);
} on PlatformException {
print('Failed to get platform version.');
}
}
Future<void> buildInfo() async {
/// Platform messages may fail, so we use a try/catch PlatformException.
try {
/// Get response either success or error
BuildInfoResponse response = await PdfMerger.buildInfo();
Get.snackbar(
"Info",
"App Name : " +
response.appName +
"\n" +
"Build Number : " +
response.buildDate +
"\n" +
"Build Number with Time : " +
response.buildDateWithTime +
"\n" +
"Package Name : " +
response.packageName +
"\n" +
"Version Number : " +
response.versionNumber +
"\n" +
"Build Number : " +
response.buildNumber.toString());
} on PlatformException {
print('Failed to get platform version.');
}
}
Future<bool> checkPermission() async {
await PermissionHandler().requestPermissions([PermissionGroup.storage]);
PermissionStatus permission = await PermissionHandler()
.checkPermissionStatus(PermissionGroup.storage);
print(permission);
if (permission == PermissionStatus.neverAskAgain) {
print("Go to Settings and provide media access");
return false;
} else if (permission == PermissionStatus.granted) {
return true;
} else {
return false;
}
}
Future<String> getFilePath(String fileStartName) async {
String path;
if (GetPlatform.isIOS) {
Directory appDocDir = await getApplicationDocumentsDirectory();
path = appDocDir.path;
} else if (GetPlatform.isAndroid) {
path = await ExtStorage.getExternalStoragePublicDirectory(
ExtStorage.DIRECTORY_DOWNLOADS);
}
return path + "/" + fileStartName + "ABCEFG5" + ".pdf";
}
Future<String> getFilePathImage(String fileStartName) async {
String path;
if (GetPlatform.isIOS) {
Directory appDocDir = await getApplicationDocumentsDirectory();
path = appDocDir.path;
} else if (GetPlatform.isAndroid) {
path = await ExtStorage.getExternalStoragePublicDirectory(
ExtStorage.DIRECTORY_DOWNLOADS);
}
return path + "/" + fileStartName + "ABCEFG5" + ".png";
}
}Metadata
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Metadata
A new Flutter plugin for merge List of PDF files. It supports both android and IOS. Before call this package make sure you allow permission and file picker see example.
Repository (GitHub)
View/report issues
Documentation
License
MIT (LICENSE)
