flutter tutorial create pdf with images tables

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creating a pdf file with images and tables in flutter can be accomplished using the `pdf` package, which allows you to generate pdf documents programmatically. in this tutorial, we’ll walk through the steps to create a pdf document that includes images and tables.

step 1: set up your flutter project

1. **create a new flutter project**:
```bash
flutter create pdf_example
cd pdf_example
```

2. **add dependencies**: open your `pubspec.yaml` file and add the following dependencies:
```yaml
dependencies:
flutter:
sdk: flutter
pdf: ^3.6.0
printing: ^5.6.0
```

run `flutter pub get` to install the new packages.

step 2: create a pdf document

in this step, we will create a pdf document that includes an image and a table.

1. **create a new dart file**: create a file named `pdf_generator.dart` in the `lib` directory.

2. **add code to generate pdf**: here's the code to generate a pdf with an image and a table:

```dart
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:pdf/pdf.dart';
import 'package:pdf/widgets.dart' as pw;
import 'package:printing/printing.dart';

class pdfgenerator {
futureuint8list generatepdf() async {
final pdf = pw.document();

final image = await _loadimage(); // load your image here

pdf.addpage(pw.page(
build: (pw.context context) = pw.column(
children: [
pw.image(image),
pw.sizedbox(height: 20),
pw.text('sample table', style: pw.textstyle(fontsize: 24)),
pw.sizedbox(height: 10),
_buildtable(),
],
),
));

return pdf.save();
}

futurepw.memoryimage _loadimage() async {
// load an image from assets or network
final bytedata bytes = await rootbundle.load('assets/sample_image.png');
final uint8list imagedata = bytes.buffer.asuint8list();

return pw.memoryimage(imagedata);
}

pw.table _buildtable() {
return pw.table(
border: pw.tablebo ...

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