如何在没有服务或线程预览的情况下拍摄相机？

Is it possible to capture an image without showing the camera preview?, i have a requirement that i should be able to capture the image from a thread or from a service, without disturbing the foreground application, where i do not want to show the camera preview, but still i want to capture the image in background and store it in the device Is it possible to capture an image without show