Sample code in CameraX CodeLabs does not work with CameraX versions alpha09&10

[Vadim Rebro]

Actually the sample code at https://codelabs.developers.google.com/codelabs/camerax-getting-started works for camerax_version = '1.0.0-alpha06'

But if you use alpha09 then this code won't work:

 val previewConfig = PreviewConfig.Builder().apply {...

You need to call Preview.Builder method instead.

Another thing is that Preview no longer contains setOnPreviewOutputUpdateListener and you need to do something with this:

preview.setOnPreviewOutputUpdateListener {...




So, I was unable to run the code from that page for CameraX alpha09 but it worked for code samples from https://developer.android.com/training/camerax/preview?hl=en (after I found and fixed a couple of bugs there).

https://codelabs.developers.google.com/codelabs/camerax-getting-started

[Oscar Wahltinez‎]

Hi Vadim,

Thank you for flagging this. We will update the codelab shortly after the beta version of CameraX becomes available. In the meantime, you can use the official sample for reference: g.co/camerax/sample

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[Salvatore Testa]

I also ran into an issue with the official sample. It looks like the androidx.camera.core.ImageCapture#takePicture(androidx.camera.core.ImageCapture.OutputFileOptions, java.util.concurrent.Executor, androidx.camera.core.ImageCapture.OnImageSavedCallback) method doesn’t work like it should.

https://issuetracker.google.com/issues/149241379

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[Vadim Rebro]

No problem! Looking forward to CameraX stable release!

On Monday, February 10, 2020 at 4:10:04 PM UTC-5, Oscar Wahltinez‎ wrote:

Hi Vadim,

Thank you for flagging this. We will update the codelab shortly after the beta version of CameraX becomes available. In the meantime, you can use the official sample for reference: g.co/camerax/sample

On Mon, Feb 10, 2020, 12:58 Vadim Rebro <rebro...@gmail.com> wrote:

Actually the sample code at https://codelabs.developers.google.com/codelabs/camerax-getting-started works for camerax_version = '1.0.0-alpha06'

But if you use alpha09 then this code won't work:

 val previewConfig = PreviewConfig.Builder().apply {...

You need to call Preview.Builder method instead.

Another thing is that Preview no longer contains setOnPreviewOutputUpdateListener and you need to do something with this:

preview.setOnPreviewOutputUpdateListener {...




So, I was unable to run the code from that page for CameraX alpha09 but it worked for code samples from https://developer.android.com/training/camerax/preview?hl=en (after I found and fixed a couple of bugs there).

https://codelabs.developers.google.com/codelabs/camerax-getting-started

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