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I am building an Android app with the Camera2 API that uses short shutter times, 1/1000 and 1/2000. I can set the SENSOR_EXPOSURE_TIME without any problem. But I want to keep the ISO (SENSOR_SENSITIVITY) on auto mode.

To set the shutter speed I use the following code:

mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_OFF);
mPreviewRequestBuilder.set(CaptureRequest.SENSOR_EXPOSURE_TIME, EXPOSURE);
mCaptureSession.setRepeatingRequest(mPreviewRequestBuilder.build(), null, surfaceView.getmBackgroundHandler());

This code works OK, but because the CONTROL_AE_MODE is set to CONTROL_AE_MODE_OFF the ISO (SENSOR_SENSITIVITY) has to be set manually also. And this is what I don't want, I want to keep the ISO on auto.

Is there any way to accomplish this or is there a workaround?

ugexe
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Marcel Römer
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1 Answers1

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No, this is not currently supported by the API. Your only choices are to run in full manual or full auto, unfortunately.

Eddy Talvala
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