问Camera.PictureCallback中的交换机活动

EN

public Camera camera = null;    

Camera.PictureCallback pictureCallbackJpeg = new Camera.PictureCallback()
{ 
    //PictureCallback(Activity a)
    //{
    //    
    //}
    // An attempt at creating a constructor...

    public void onPictureTaken(byte[] data, Camera c)
    {
        camera.startPreview();

        // would like to call activity method
    }
}

// Camera Initilisation

camera.takePicture(null, null, pictureCallbackJpeg);