boolean update(SQLiteDatabase db) {
ContentValues cv = new ContentValues();
super.update(cv);
if (alarmId > 0) cv.put(COL_ALARMID, alarmId);
if (datetime > 0) cv.put(COL_DATETIME, datetime);
if (status != null) cv.put(COL_STATUS, status);
return db.update(TABLE_NAME, cv, COL_ID + " = ?", new String[] {String.valueOf(id)}) == 1
? true
: false;
}
