flutter_html_to_pdf_plus 0.3.0 
flutter_html_to_pdf_plus: ^0.3.0 copied to clipboard
originoss.orgFlutter plugin for generating PDF documents from HTML code templates
import 'dart:async';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_html_to_pdf_plus/flutter_html_to_pdf_plus.dart';
import 'package:path_provider/path_provider.dart';
import 'package:open_filex/open_filex.dart'
if (dart.library.html) 'package:open_filex/open_filex.dart';
void main() {
runApp(const MaterialApp(home: MyApp()));
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
PrintSize? selectedPrintSize;
PrintOrientation? selectedPrintOrientation;
// Custom size controller for width and height
final TextEditingController _widthController =
TextEditingController(text: "400");
final TextEditingController _heightController =
TextEditingController(text: "600");
@override
void initState() {
super.initState();
}
@override
void dispose() {
_widthController.dispose();
_heightController.dispose();
super.dispose();
}
Future<String> generateExampleDocument() async {
const htmlContent = """
<!DOCTYPE html>
<html>
<head>
<style>
table, th, td {
border: 1px solid black;
border-collapse: collapse;
}
th, td, p {
padding: 5px;
text-align: left;
}
</style>
</head>
<body>
<h2>PDF Generated with flutter_html_to_pdf_plus plugin</h2>
<table style="width:100%">
<caption>Sample HTML Table</caption>
<tr>
<th>Month</th>
<th>Savings</th>
</tr>
<tr>
<td>January</td>
<td>100</td>
</tr>
<tr>
<td>February</td>
<td>50</td>
</tr>
</table>
<p>Image loaded from web</p>
<img src="https://i.imgur.com/wxaJsXF.png" alt="web-img">
</body>
</html>
""";
Directory appDocDir = await getApplicationDocumentsDirectory();
final targetPath = appDocDir.path;
const targetFileName = "example-pdf";
if (File("$targetPath/$targetFileName.pdf").existsSync()) {
File("$targetPath/$targetFileName.pdf").deleteSync();
}
// Create configuration with custom size if selected
PrintPdfConfiguration configuration;
if (selectedPrintSize == PrintSize.Custom) {
// Parse width and height from text controllers
final int width = int.tryParse(_widthController.text) ?? 400;
final int height = int.tryParse(_heightController.text) ?? 600;
configuration = PrintPdfConfiguration(
targetDirectory: targetPath,
targetName: targetFileName,
printSize: PrintSize.Custom,
printOrientation: selectedPrintOrientation ?? PrintOrientation.Portrait,
customSize: CustomSize(width: width, height: height),
);
} else {
configuration = PrintPdfConfiguration(
targetDirectory: targetPath,
targetName: targetFileName,
printSize: selectedPrintSize ?? PrintSize.A4,
printOrientation: selectedPrintOrientation ?? PrintOrientation.Portrait,
);
}
final generatedPdfFile = await FlutterHtmlToPdf.convertFromHtmlContent(
content: htmlContent,
configuration: configuration,
);
return generatedPdfFile.path;
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Html to PDF'),
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
),
body: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
children: [
DropdownButtonFormField(
value: selectedPrintOrientation ?? PrintOrientation.Portrait,
items: [
...PrintOrientation.values.map((e) {
return DropdownMenuItem(
value: e,
child: Text(e.toString()),
);
})
],
onChanged: (value) =>
setState(() => selectedPrintOrientation = value),
),
const SizedBox(height: 16),
DropdownButtonFormField(
value: selectedPrintSize ?? PrintSize.A4,
items: [
...PrintSize.values.map((e) {
return DropdownMenuItem(
value: e,
child: Text(e.toString()),
);
})
],
onChanged: (value) => setState(() => selectedPrintSize = value),
),
const SizedBox(height: 16),
// Show custom size inputs when Custom is selected
if (selectedPrintSize == PrintSize.Custom)
Row(
children: [
Expanded(
child: TextField(
controller: _widthController,
decoration: const InputDecoration(
labelText: 'Width (px)',
hintText: 'Enter width in pixels (72 PPI)',
),
keyboardType: TextInputType.number,
),
),
const SizedBox(width: 16),
Expanded(
child: TextField(
controller: _heightController,
decoration: const InputDecoration(
labelText: 'Height (px)',
hintText: 'Enter height in pixels (72 PPI)',
),
keyboardType: TextInputType.number,
),
),
],
),
if (selectedPrintSize == PrintSize.Custom)
const SizedBox(height: 16),
ElevatedButton(
child: const Text("Open Generated PDF Preview"),
onPressed: () async {
final path = await generateExampleDocument();
if (!mounted) return;
// Show a success message with the file path
// ignore: use_build_context_synchronously
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('PDF generated at: $path'),
duration: const Duration(seconds: 5),
),
);
// Try to open the file
try {
await OpenFilex.open(path);
} catch (e) {
// ignore: use_build_context_synchronously
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Could not open the file: $e'),
backgroundColor: Colors.red,
),
);
}
},
),
],
),
),
);
}
}Metadata
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Metadata
Flutter plugin for generating PDF documents from HTML code templates
Documentation
License
MIT (license)
