android 根据设置的日期获取星期几

/**
* 判断当前日期是星期几
*
* @param  pTime     设置的需要判断的时间  //格式如2012-09-08
*

* @return dayForWeek 判断结果
* @Exception 发生异常
*/

//  String pTime = "2012-03-12";
private String getWeek(String pTime) {

String Week = "";

SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
Calendar c = Calendar.getInstance();
try {

c.setTime(format.parse(pTime));

} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (c.get(Calendar.DAY_OF_WEEK) == 1) {
Week += "天";
}
if (c.get(Calendar.DAY_OF_WEEK) == 2) {
Week += "一";
}
if (c.get(Calendar.DAY_OF_WEEK) == 3) {
Week += "二";
}
if (c.get(Calendar.DAY_OF_WEEK) == 4) {
Week += "三";
}
if (c.get(Calendar.DAY_OF_WEEK) == 5) {
Week += "四";
}
if (c.get(Calendar.DAY_OF_WEEK) == 6) {
Week += "五";
}
if (c.get(Calendar.DAY_OF_WEEK) == 7) {
Week += "六";
}

return Week;
}