Mediaplugin: Select picture returns full black picture

[davynys]

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Bug Information

Version Number of Plugin: 5.0.1
Device Tested On:
Simulator Tested On: IOS Simulator
Version of VS: 8.6 (for Mac)
Version of Xamarin: 4.5.0.617
Versions of other things you are using:
Essentials: 1.5.3

Steps to reproduce the Behavior

Simple select picture - with standard code (see below)
It worked perfectly before and I didn't touch the code. When selecting a picture every picture comes back black (except one for some reason). Tried new pictures as well.

Also tried with a blank project and got same behavior.

Expected Behavior

See the selected picture

Actual Behavior

See black box

Code snippet

await CrossMedia.Current.Initialize();

        if (!CrossMedia.Current.IsPickPhotoSupported)
        {
            //Picking Pics Not Supported
            await Application.Current.MainPage.DisplayAlert("Error", "Picking pics is not supported on your device", "OK");
            return;
        }
        var mediaOptions = new PickMediaOptions()
        {
            PhotoSize = PhotoSize.Full
        };
        var selectedImageFile = await CrossMedia.Current.PickPhotoAsync(mediaOptions);
        //imageTest.Source = ImageSource.FromFile(selectedImageFile.Path);
        imageTest.Source = ImageSource.FromStream(() =>  selectedImageFile.GetStream());

Screenshots

[orlandommb]

i have the same problem, but i reported in the Xamarin repository, we realized it was a Xam.Plugin.Media issue.. Image returning Black Square

[diegostamigni]

I'm seeing the same issue

[Bonnyfication]

Workaround:
I can confirm receiving an black image at version 5.0.1
-> Downgrading the Xam.Plugin.Media to 4.0.1.5 solves the issue.

Technical Information:
Simulator Tested On: IOS Simulator
Version of VS: 16.5.4 (for Windows)
XF: 4.5.0.657
Xamerin Essentials: 1.5.3.1

[iWeaverMan]

Problem with SaveMetaData options, with SaveMetaData = false - all ok

[DarryStonem]

@iWeaverMan the workaround works well for me, thanks!

In my case:
Media Plugin Version: 5.0.1
Simulator Tested On: iOS Simulator
Version of VS: 8.5.3 (for Mac)
Version of Xamarin: 4.2.0.709249
Versions of other things you are using:
Essentials: 1.5.3.1

[ndastur]

Seeing this too but only on iOS 13.4. Tested on a iOS 12.2 sim and device and it works fine

[MattWard-Ideagen]

Confirmation that our team are seeing the same behaviour on ios 13.4/13.5 simulators only when SaveMetaData = true as mentioned above.

Altering the code to use the original behaviour instead of the call to SaveImageWithMetadataiOS13 the image is captured successfully (not black screen).

I have stumbled across https://stackoverflow.com/questions/61552637/cicontext-jpeg-png-output-functions-producing-blank-images which suggests a bug with Apple.

I don't have experience with the calls used by this library to validate / log a bug with Apple.
1) Could someone validate and follow up with a bug report to Apple?
2) Create a workaround for simulators (As with the current working from home a lot of our devs are using simulators for proofing).

Thanks

[40417686]

Seeing the same error here- had to downgrade and it works now

[JuanuMusic]

Confirming the issue is still there.
MediaPlugin Version: 5.0.1
Xamarin.Forms version: 4.6.0.847

What worked without having to downgrade was @iWeaverMan 's suggestion.

Problem with SaveMetaData options, with SaveMetaData = false - all ok

Works fine on Android

[raulandresduque]

Please your help, I'm getting a black screen for both take or pick, I tried using SaveMetaData = false but the same behavior ... any suggestion?

Or the best is to use an old version of the plugin? which one?

Note I downgrade to 4.0.1.5 and unfortunately the same behavior!

[raulandresduque]

Hi team,

Any clue?

[raulandresduque]

I found my error however I didn't understand why:

I had:

_var t = CrossMedia.Current.TakePhotoAsync(new StoreCameraMediaOptions
{
Directory = HelperConstants.cAppName,
SaveToAlbum = true,
SaveMetaData = false,
Name = fileName,
DefaultCamera = CameraDevice.Rear
});
t.wait();
if (t.result == null)
return;_

I changed to:

var file = await CrossMedia.Current.TakePhotoAsync(new StoreCameraMediaOptions
{
Directory = HelperConstants.cAppName,
SaveToAlbum = true,
SaveMetaData = false,
Name = fileName,
DefaultCamera = CameraDevice.Rear
});
if (file == null)
return;

However, my understanding is both codes are equivalent, any idea why the 1st one fails?

[bakhti346]

I ran into the same issue. I just added this argument and it got fixed.

await CrossMedia.Current.PickPhotoAsync(new Plugin.Media.Abstractions.PickMediaOptions { PhotoSize = Plugin.Media.Abstractions.PhotoSize.Medium });

[Fahad-Ali-Qureshi]

I'm also facing same issue in iOS only. 1st attempt of picking image is working fine. after that, every attempt gives black image.
Xamarin Forms Ver: 4.6.0.967
Xam.Plugin.Media Ver: 5.0.1