1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
| public static Calendar cacluteNextAlarm(int hour, int minute, int dayOfweek){
Calendar mCalendar = Calendar.getInstance();
mCalendar.setTimeInMillis(System.currentTimeMillis());
mCalendar.set(Calendar.HOUR_OF_DAY,hour);
mCalendar.set(Calendar.MINUTE, minute);
int differDays = getNextAlarmDifferDays(dayOfweek,mCalendar.get(Calendar.DAY_OF_WEEK), mCalendar.getTimeInMillis());
int nextYear = getNextAlarmYear(mCalendar.get(Calendar.YEAR), mCalendar.get(Calendar.DAY_OF_YEAR), mCalendar.getActualMaximum(Calendar.DAY_OF_YEAR), differDays);
int nextMonth = getNextAlarmMonth(mCalendar.get(Calendar.MONTH), mCalendar.get(Calendar.DAY_OF_MONTH), mCalendar.getActualMaximum(Calendar.DATE), differDays);
int nextDay = getNextAlarmDay(mCalendar.get(Calendar.DAY_OF_MONTH), mCalendar.getActualMaximum(Calendar.DATE), differDays);
mCalendar.set(Calendar.YEAR,nextYear);
mCalendar.set(Calendar.MONTH, nextMonth % 12);//月份从0开始
mCalendar.set(Calendar.DAY_OF_MONTH, nextDay);
mCalendar.set(Calendar.SECOND, 0);
mCalendar.set(Calendar.MILLISECOND, 0);
return mCalendar;
}
//获取下次闹钟相差的天数
private static int getNextAlarmDifferDays(int data, int currentDayOfWeek,long timeInMills){
int nextDayOfWeek = getNextDayOfWeek(data, currentDayOfWeek,timeInMills);
return currentDayOfWeek<=nextDayOfWeek?(nextDayOfWeek-currentDayOfWeek):(7 - currentDayOfWeek + nextDayOfWeek);
}
//考虑年进位的情况
private static int getNextAlarmYear(int year,int dayOfYears, int actualMaximum, int differDays) {
int temp = actualMaximum-dayOfYears-differDays;
return temp >= 0?year:year+1;
}
//考虑月进位的情况
private static int getNextAlarmMonth(int month,int dayOfMonth,int actualMaximum, int differDays) {
int temp = actualMaximum-dayOfMonth-differDays;
return temp >= 0?month:month+1;
}
//获取下次闹钟的day
private static int getNextAlarmDay(int thisDayOfMonth, int actualMaximum, int differDays) {
int temp = actualMaximum - thisDayOfMonth-differDays;
if (temp<0){
return thisDayOfMonth + differDays - actualMaximum;
}
return thisDayOfMonth + differDays;
}
//获取下次显示是星期几
private static int getNextDayOfWeek(int data, int cWeek,long timeInMillis) {
int tempBack = data >> cWeek - 1;
int tempFront = data ;
if(tempBack%2==1){
if(System.currentTimeMillis()<timeInMillis) return cWeek;
}
tempBack = tempBack>>1;
int m=1,n=0;
while (tempBack != 0) {
if (tempBack % 2 == 1 ) return cWeek + m;
tempBack = tempBack / 2;
m++;
}
while(n<cWeek){
if (tempFront % 2 == 1) return n+1;
tempFront =tempFront/2;
n++;
}
return 0;
}
|
