Using the New Google ML Kit Document Scanner for Flutter Apps

Discover how to revolutionize document digitization in your Flutter apps with the Google ML Kit Document Scanner Plugin. Simplify the transition from physical to digital documents and unlock powerful scanning capabilities. Explore key features, integration steps, and access the source code for seamless implementation.

Introducing the Google ML Kit Document Scanner Plugin for Flutter

Simplifying Document Digitization with Flutter

The Google Machine Language Kit for Flutter introduces a suite of plugins tailored to empower Flutter applications with Google’s standalone ML Kit functionalities. Among the 13 available plugins are popular features like face detection, text recognition, barcode scanning, and selfie segmentation.

Unveiling the Document Scanner Plugin

In today’s digital age, the transition from physical to digital documents is commonplace in mobile app experiences. Enter the Document Scanner plugin, designed to facilitate the seamless conversion of physical documents into digital formats. With its intuitive interface and robust features, users can expect a streamlined process for scanning documents within Android apps. From applying filters to removing stains and shadows, and precise cropping, the Document Scanner offers a comprehensive solution.

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Key Features:

• High-quality and consistent user interface for digitizing physical documents.
• Automatic capture with built-in document detection.
• No additional camera permissions required from your app.

Note: The Document Scanner is currently in Beta mode and does not support iOS.

Integrating the Plugin into Your Flutter App

While incorporating the plugin into your Flutter app may seem straightforward, there are a few points to consider. As of now, the feature resides in the development branch and has not been published on pub.dev.

To add the plugin to your pubspec.yaml, simply include the following code snippet:

dependencies:
  google_mlkit_document_scanner:
    git:
      url: https://github.com/flutter-ml/google_ml_kit_flutter.git
      ref: feature/doc_scanner 
      path: packages/google_mlkit_document_scanner

Note: This article will be updated once the package is available on pub.dev.

Getting Started with Document Scanning

Before diving into document scanning within your app, it’s crucial to initialize the Document Scanner and configure the scanning options. Here’s a step-by-step guide:

1. Configure Scanner Options:

• Set the scanner mode, gallery import preference, and page limit using the DocumentScannerOptions.

1. Initialize Document Scanner:

• Create an instance of the DocumentScanner class and pass the configured options.

1. Scan Documents:

• Utilize the scanDocument() method to initiate the scanning process.

Example Code Snippet:

DocumentScannerOptions options = DocumentScannerOptions(
  mode: ScannerMode.filter,
  isGalleryImport: false,
  pageLimit: 1,
);

DocumentScanner documentScanner = DocumentScanner(options: options);

List<String>? documents;

@override
void dispose() {
  documentScanner.close();
  super.dispose();
}

documents = await documentScanner.scanDocument();

With these simple steps, you can seamlessly integrate document scanning capabilities into your Flutter app, providing users with a convenient means to digitize physical documents.

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Accessing the Source Code

You can find all the source code mentioned above in the following repositories:

• Google ML Kit Flutter Plugin
• Document Scanner Plugin

If you encounter any questions or issues while implementing the code, please don’t hesitate to leave them in the comment section below.

FAQs

What is the Google ML Kit Document Scanner Plugin for Flutter?

The Google ML Kit Document Scanner Plugin for Flutter is a tool designed to facilitate the digitization of physical documents within Flutter applications. It leverages Google’s ML Kit functionalities to provide features such as document detection, scanning, and processing.

What are the key features of the Document Scanner Plugin?

The key features of the Document Scanner Plugin include:

• High-quality and consistent user interface for digitizing physical documents.
• Automatic capture with built-in document detection.
• No additional camera permissions required from your app.

Is the Document Scanner Plugin available for iOS?

Currently, the Document Scanner Plugin is in Beta mode and is only available for Android. Support for iOS may be added in future updates.

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How can I integrate the Document Scanner Plugin into my Flutter app?

To integrate the Document Scanner Plugin into your Flutter app, follow these steps:

1. Add the plugin dependency to your pubspec.yaml file.
2. Initialize the Document Scanner and configure the scanning options.
3. Utilize the scanDocument() method to initiate the scanning process.

Where can I find the source code for the Document Scanner Plugin?

You can find the source code for the Document Scanner Plugin in the following repositories:

• Google ML Kit Flutter Plugin
• Document Scanner Plugin

What if I encounter issues while implementing the Document Scanner Plugin?

If you encounter any questions or issues while implementing the Document Scanner Plugin, feel free to leave them in the comment section of the respective repositories. Assistance and support will be provided to address your concerns.