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Fix Power Apps Camera Control Reporting Camera in Use Error
Question details
The user needs to fix an issue where the camera control in a Power Apps canvas app fails after the first use on Android devices, incorrectly reporting that it is being used by another app.
- Product
- Microsoft Power Apps
- Device & OS
- Android
- Scenario
- Using the camera control within a Power Apps canvas app to capture photos on an Android smartphone.
- Observed behavior
- The camera works perfectly in a web browser but fails on Android after capturing the first image. Returning to the capture screen displays an error stating the camera is being used by another app.
Ensure that no other applications (such as the native camera app, barcode scanners, or video calling apps) are running in the background and actively holding a lock on your device's camera hardware.
Add a Camera-Selection Drop-Down to Reset the Connection
Adding a drop-down list of available cameras allows users to manually switch the active camera, which often forces the Android operating system to release the lock and clears the error.
By dynamically changing the camera source in the app, Power Apps is forced to re-initialize the hardware connection. This is a widely accepted workaround for canvas apps encountering camera locking bugs on mobile devices.
Open your canvas app in Power Apps Studio. Go to the Insert menu and add a 'Drop down' control to your capture screen.
Set the 'Items' property of the drop-down control to 'Camera1.AvailableDevices' (replace Camera1 with the name of your camera control).
Select your Camera control, navigate to its 'Camera' property, and set it to the selected value of your drop-down (e.g., 'Dropdown1.Selected.Id').
Publish the app and open it on your Android device. When the error occurs, use the drop-down to switch to the front camera and then back to the rear camera to restore functionality.
Use a Timer Control to Automatically Toggle the Camera
If you want to hide the camera selection from the user, you can use a hidden timer to briefly change the camera ID when the screen loads.
Perform Basic Device and App Troubleshooting
Sometimes the error is caused by a temporary system glitch or an outdated version of the Power Apps mobile application.
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Frequently Asked Questions
Why does the Power Apps camera work in browsers but fail on Android?
Web browsers and mobile operating systems handle hardware resource locking differently. On Android, if the camera hardware is not released quickly enough by the OS after the first capture, Power Apps mistakenly believes another application is using it.
Is there an alternative to using the default Camera control in Power Apps?
Yes. Instead of using the live Camera control, you can use the 'Add picture' control. This triggers the Android device's native camera app to take a photo, which generally avoids resource locking issues.
Will updating my Android OS version fix this Power Apps bug?
It might. Operating system updates often include improvements to hardware resource management and permission handling. Check your device settings for any pending Android updates.
Where can I report this camera bug to Microsoft?
You can report persistent bugs and seek community assistance by visiting the official Microsoft Power Apps Community forums or by posting a question on Microsoft Q&A.
