import ai.fritz.vision.FritzVision;
import ai.fritz.poseestimationmodel.PoseEstimationOnDeviceModel;
import ai.fritz.vision.poseestimation.FritzVisionPosePredictor;
import ai.fritz.core.FritzOnDeviceModel;
// ...

public class CameraActivity extends Activity implements ImageReader.OnImageAvailableListener {

    private FritzVisionPosePredictor posePredictor;
    private FritzVisionPoseResult poseResult;

    // A sensitivity parameters we'll use later.
    private float minPoseThreshold = 0.6f;

    @Override
    public void onCreate(final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Intent callingIntent = getIntent();
        // Set some sensitivity options
        FritzVisionPosePredictorOptions options = new FritzVisionPosePredictorOptions.Builder()
            .minPoseThreshold(minPoseThreshold)
            .build();

        // Initialize the model and predictor.
        FritzOnDeviceModel onDeviceModel = new PoseEstimationOnDeviceModel();
        posePredictor = FritzVision.PoseEstimation.getPredictor(onDeviceModel, options);
        // The rest of your onCreate function...
    }
  // The rest of your Activity...
}