Calendar cal=Calendar.getInstance(); String tY=String.valueOf(cal.get(Calendar.YEAR)); String tM=String.valueOf(cal.get(Calendar.MONTH)); if (tM.length()<2){ tM="0"+tM; } String tD=String.valueOf(cal.get(Calendar.DATE)); if (tD.length()<2){ tD="0"+tD; } String tH=String.valueOf(cal.get(Calendar.HOUR_OF_DAY)); if (tH.length()<2){ tH="0"+tH; } String tMin=String.valueOf(cal.get(Calendar.MINUTE)); if (tMin.length()<2){ tMin="0"+tMin; } String t_allCurrentTime=tY+tM+tD+tH+tMin;