camera - How to take pictures in android application without the user Interface..? -


i have design application, application has take picture camera without displaying in layout , without user interface (like click of button....) , store picture? 

camera mcamera;  private boolean safecameraopen(int id) { boolean qopened = false;      try {         releasecamera();         mcamera = camera.open(id);         qopened = (mcamera != null);     } catch (exception e) {         log.e(getstring(r.string.app_name), "failed open camera");         e.printstacktrace();     }      return qopened;     }  private void releasecamera() {     if (mcamera != null) {         mcamera.release();         mcamera = null;     } }  //somewhere in code call this: mcamera.takepicture(null, null, mcall);   camera.picturecallback mcall = new camera.picturecallback() {     public void onpicturetaken(byte[] data, camera camera) {          //decode data obtained camera bitmap           fileoutputstream outstream = null;               try {                   outstream = new fileoutputstream("/sdcard/image.jpg");                   outstream.write(data);                   outstream.close();               } catch (filenotfoundexception e){                   log.d("camera", e.getmessage());               } catch (ioexception e){                   log.d("camera", e.getmessage());               }     } };

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