本文实例讲述了Android编程实现根据不同日期计算天数差的方法。分享给大家供大家参考，具体如下：

Calendar cal1 = getCalendarFromDate(mStartDate); long startTime = cal1.getTimeInMillis(); Calendar cal2 = getCalendarFromDate(mEndDate); long endTime = cal2.getTimeInMillis(); int numberOfDays = (int)(endTime - startTime)/(24 * 60 * 60 * 1000); /** * @param date format is 2012-9-18 * @return Calendar value is after set date's value */ private Calendar getCalendarFromDate(final String date) { int year = 0; int month = 0; int day = 0; try { String[] array = date.split("-"); int[] arrayInt = new int[array.length]; for (int i = 0; i < array.length; i++) { arrayInt[i] = Integer.parseInt(array[i]); if(i == 0) { year = arrayInt[0]; } else if(i == 1){ month = arrayInt[1]; } else if(i == 2){ day = arrayInt[2]; } } } catch (Exception e) { e.printStackTrace(); } Calendar cal = Calendar.getInstance(); if(year > 0 && month >= 0 && day >= 0) { cal.set(year, month, day); } return cal; }

PS:month 取值范围为0-11

希望本文所述对大家Android程序设计有所帮助。