call from main thread . concode_field_sep Handler handler concode_elem_sep CameraThread instance concode_elem_sep int openCount concode_elem_sep Object LOCK concode_elem_sep HandlerThread thread concode_elem_sep String TAG concode_field_sep void enqueue concode_elem_sep void decrementInstances concode_elem_sep void quit concode_elem_sep CameraThread getInstance
void function ( Runnable arg0 ) { synchronized ( LOCK ) { openCount += 1 ; enqueue ( arg0 ) ; } }