Maui MediaPicker.Default.CapturePhotoAsync fails under iOS with no error message

Grant Schaffer 25

Hi,

When I try to capture an image on a physical Apple device using MediaPicker.Default.CapturePhotoAsync() the calling function stops functioning with no error message and returns a null.

My project is running the following packages:

I am getting the same results on a iPhone 8 running iOS 16.3.1 and a iPad Air 2 running iOS 15.8.2. When I run it in the simulator is works?

Thanks for your help,

Grant

Grant Schaffer 25 Reputation points

2024-06-22T18:17:17.56+00:00

This works perfectly under Windows and Android.

Any help would be greatly appreciated.
Yonglun Liu (Shanghai Wicresoft Co,.Ltd.) 39,396 Reputation points Microsoft Vendor

2024-06-24T02:45:18.4433333+00:00
MediaPicker needs to request permissions on iOS, have you added the following to the info.plist file?

Please refer to Media picker for photos and videos for more details.

In the Platforms/iOS/Info.plist and Platforms/MacCatalyst/Info.plist files, add the following keys and values:

<key>NSCameraUsageDescription</key> <string>This app needs access to the camera to take photos.</string> <key>NSMicrophoneUsageDescription</key> <string>This app needs access to microphone for taking videos.</string> <key>NSPhotoLibraryAddUsageDescription</key> <string>This app needs access to the photo gallery for picking photos and videos.</string> <key>NSPhotoLibraryUsageDescription</key> <string>This app needs access to photos gallery for picking photos and videos.</string>

Each <string> element represents the reason the app is requesting access to that specific permission. This text is shown to the user.

Your prompt reply will be highly appreciated.
Grant Schaffer 25 Reputation points

2024-06-24T14:37:31.0333333+00:00

Hi Yonglun Liu,

Yes. I switched my code to:

var options = new StoreCameraMediaOptions { CompressionQuality = 100 };

var mediaFile = await CrossMedia.Current.TakePhotoAsync(options);

This does work perfectly.

I still cannot get this code to return a FileResult?

var photoFile = await MediaPicker.Default.CapturePhotoAsync();
Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 29,456 Reputation points Microsoft Vendor

2024-06-25T03:23:28.6266667+00:00
When I run it in the simulator is works?

No, MediaPicker feature only works on the physical devices, it's the default behavior designed by Apple.

I tested on my physical devices with iOS17.4, it works, and I cannot reproduce your issue. Since you get null on your physical devices, could you share the following information with me so that we can investigate further?

Do you have the same issue when you test the MediaPicker with the official sample?

I understand this issue occurs on your iPhone 8 running iOS 16.3.1 and an iPad Air 2 running iOS 15.8.2, do you have the same issue on other devices (iOS17 and later)? What's the Xcode version and what's the detailed MAUI version?

I know you found a solution to use CrossMedia . From this line var mediaFile = await CrossMedia.Current.TakePhotoAsync(options); , CrossMedia looks like a third-party package, and I have installed the package you mentioned in the post, but it's still not clear which package the CrossMedia is from. Would you mind describing more details?

I noticed that you added CommunityToolkit.Maui package. As an alternative, you could try to use CameraView and check if the issue still exists.

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Maui MediaPicker.Default.CapturePhotoAsync fails under iOS with no error message