Automate Camera Image Injection Testing With Android Emulators on LambdaTest

Bhawana

Posted On: May 26, 2025

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Testing camera-related functionalities in mobile apps can be a challenge, especially when you have to validate them across multiple devices. That’s why we’ve introduced camera image injection testing support on Android emulators.

With our new image injection APIs, you can now simulate camera input directly within the emulator. This means you can automate and scale your testing for camera-centric workflows without the need for physical devices.

Why Perform Camera Image Injection Testing?

Camera image injection testing is essential for mobile applications that interact with the camera (e.g., face recognition, barcode scanning, augmented reality).

Here’s why it’s performed:

  • You can simulate camera input (like QR codes, selfies, etc.) without needing physical device interaction.
  • Mobile applications relying on camera input (like OCR or barcode readers) can be tested for correctness and robustness using consistent, repeatable image data.
  • You don’t need to manually point a camera at objects. Instead, pre-defined images are injected, making the process faster and more efficient.
  • It enables testing across various image conditions (low light, blurred, different formats) that may be difficult to reproduce manually.

How LambdaTest Simplifies Camera Image Injection Testing on Android?

The camera image injection feature on LambdaTest allows you to test camera-specific functionalities within your mobile app on different Android emulators and OS versions.

Benefits:

  • Extensive Device Coverage: Test on a virtual device lab of online Android emulators.
  • Comprehensive Testing Scope: Supports all the core camera functionalities: image capture, QR code scanning, and barcode scanning.
  • Seamless Integration: Integrates seamlessly within your existing app testing workflows.

LambdaTest uses sensor instrumentation, so when you enable image injection for your test session, LambdaTest injects its custom camera code module into your Android application. This module then mocks or overrides the native Android SDKs your app uses for camera operations. It makes your app perceive the injected image as if it came from the live camera.

All in All!

Whether you’re testing eKYC flows, scanning QR codes, or building AR features, you no longer need a physical device to validate camera-based actions. Just inject your test image and simulate the interaction directly on our Android emulators. It’s quick, scalable, and perfect for teams looking to streamline mobile automation.

Give it a try and let us know how it goes! We’re always around via in-app chat or at support@lambdatest.com if you need help.

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Bhawana

Bhawana, marketer in profession and a tech enthusiast at heart, embarks on a continuous learning journey in the realm of software testing. Recently joining Lamdatest, her passion for QA and software testing is evident in her work. With a keen interest in mastering the intricacies of testing methodologies, Bhawana is dedicated to honing her skills and achieving excellence in the ever-evolving tech landscape.

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