calcuate 12:00 am by zeroing out hour , minute , second , millisecond concode_field_sep int DAY_COUNT concode_elem_sep String LOGTAG concode_elem_sep int NUM_DAYS_AGO concode_elem_sep long[] mBins concode_elem_sep String[] mLabels concode_field_sep String getLabel concode_elem_sep int getIndex concode_elem_sep long getBoundary
void function ( Calendar arg0 ) { arg0 . set ( Calendar . HOUR_OF_DAY , 0 ) ; arg0 . set ( Calendar . MINUTE , 0 ) ; arg0 . set ( Calendar . SECOND , 0 ) ; arg0 . set ( Calendar . MILLISECOND , 0 ) ; }