Question

大家。

我有这段代码。

pending_intent = PendingIntent.getActivity(context, 0, intent, 0);
alarm = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
alarm.set(AlarmManager.RTC, System.currentTimeMillis() + runDelay, pending_intent);

我想摆脱System.currentTimeMillis（）+ runDelay，并只传递runDelay变量intofunction，有人知道我应该怎么做吗？

P.S。我需要代码为API8

非常感谢。

Answer 1

使用TimePickerDialog从用户那里获取runDelay

类变量：

private TimePickerDialog time_picker;
private Calendar targetCal;

类构造函数

public YOurClassName() {

        final Calendar c = Calendar.getInstance();
        mYear = c.get(Calendar.YEAR);
        mMonth = c.get(Calendar.MONTH);
        mDay = c.get(Calendar.DAY_OF_MONTH);
        mHour = c.get(Calendar.HOUR_OF_DAY);
        mMinute = c.get(Calendar.MINUTE);

    }

在onCreate（）或onActivityCreated（）中

：

time_picker = new TimePickerDialog(getActivity(), mTimeSetListener,
            mHour, mMinute, false);

课程内：

private TimePickerDialog.OnTimeSetListener mTimeSetListener = new TimePickerDialog.OnTimeSetListener() {
        // the callback received when the user "sets" the TimePickerDialog in
        // the dialog
        public void onTimeSet(TimePicker view, int hourOfDay, int min) {

            hour = hourOfDay;
            minute = min;

            Calendar calNow = Calendar.getInstance();
            Calendar calSet = (Calendar) calNow.clone();

            calSet.set(Calendar.HOUR_OF_DAY, hour);
            calSet.set(Calendar.MINUTE, minute);
            calSet.set(Calendar.SECOND, 0);
            calSet.set(Calendar.MILLISECOND, 0);

            if (calSet.compareTo(calNow) <= 0) {
            // Today Set time passed, count to tomorrow
            calSet.add(Calendar.DATE, 1);
            }
            targetCal = calSet;
            }
    };

在您的代码中使用targetCal，如下所示

alarm.set(AlarmManager.RTC, targetCal.getTimeInMillis(), pending_intent);

我希望这会对你有所帮助

在准确的时间内运行PendingIntent

1 个答案: