How to use cameraX with SurfaceView/TextureView?

[Deepu George Jacob]

Hi,

I am planning to migrate camera api to camerax. Currently I am using SurfaceView to show the camera preview. I noticed that camerax is using PreviewView to show the camera preview. As this library is still in alpha stage, so what is the alternate for that?

I know that previewView internally using SurfaceView/TextureView.

How can I explicitly configure and use SurfaceView/TextureView?

Thanks and Regards

Deepu George Jacob

[Eino-Ville Talvala]

You need to implement a wrapper for your actual View element by creating a Preview.SurfaceProvider.

There's a small example in the docs on how to use it for a custom EGL renderer, which would be pretty similar to what you'd need for TextureView.

But basically, CameraX will call your instance of Preview.SurfaceProvider to get a Surface to draw to, giving you a SurfaceRequest object.

The SurfaceRequest object has information like requested resolution, and methods to call to actually give the Surface to CameraX once you have the Surface ready.

- Eddy

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[Deepu George Jacob]

Thanks Eddy :)