Google Mobile Vision
A Flutter plugin for barcode scanning, text recognition (OCR), and face detection using Google Mobile Vision APIs.
What is Google Mobile Vision?
flutter_mobile_vision is a Flutter plugin that implements Google Mobile Vision APIs for barcode scanning, text recognition (OCR), and face detection in mobile apps. It allows developers to add real-time computer vision features to Flutter applications, leveraging Google's vision technology without needing to write native platform code from scratch. The plugin simplifies integrating complex vision tasks like reading barcodes, extracting text from images, and detecting faces.
Flutter developers building mobile applications that require barcode scanning, OCR, or face detection capabilities, such as inventory management apps, document scanners, or security applications.
Developers choose flutter_mobile_vision because it provides a unified Flutter interface to Google's robust Mobile Vision APIs, reducing the need for platform-specific implementations. It offers extensive camera controls, multiple detection modes, and is actively maintained with clear examples.
Overview
Flutter implementation of Google Mobile Vision.
Use Cases
Best For
- Adding barcode scanning to inventory or retail apps
- Building document scanning apps with OCR functionality
- Integrating face detection for security or authentication features
- Creating educational apps that require text recognition from camera input
- Developing tools for real-time object or text analysis in Flutter
- Prototyping computer vision features without native Android/iOS development
Not Ideal For
- iOS-only or cross-platform projects requiring immediate and full iOS support, as the plugin currently has no implementation for iOS features.
- Applications that need to function completely offline without any dependency on Google services, since it relies on Google Mobile Vision APIs.
- Teams wanting a drop-in solution with minimal configuration, due to the manual AndroidManifest.xml edits required for each feature.
- Projects targeting the latest Flutter versions without breaking changes, as the plugin might have compatibility issues given its early version (0.1.3).
Pros & Cons
Pros
Provides seamless access to Google's Mobile Vision APIs for barcode scanning, OCR, and face detection, leveraging proven technology without reinventing the wheel.
Offers extensive camera management including flash toggle, auto-focus, preview size selection, and FPS adjustment, as detailed in the usage examples.
Supports scanning multiple barcodes, recognizing text in multiple languages with coordinates, and detecting multiple faces simultaneously, enhancing functionality for complex apps.
Generalizes capture activities across different vision tasks, allowing developers to use a consistent code structure for barcode, OCR, and face detection.
Includes detailed usage snippets and an example app in the README, making it easier for developers to get started quickly.
Cons
The README explicitly lists iOS features as 'Future Tasks' with no implementation, making it unsuitable for projects requiring cross-platform functionality on iOS.
Requires adding specific activities and permissions to AndroidManifest.xml for each feature (barcode, OCR, face), which can be cumbersome and error-prone.
Relies on Google Mobile Vision, which may not be available in all regions or for apps that need to operate without an internet connection.
With a version of ^0.1.3 and reliance on community contributions for iOS, the plugin might not be actively maintained or updated for newer Flutter versions.
Frequently Asked Questions
Found a gem we're missing?
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.