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所以我一直在使用AlarmManager来设置闹钟的教程,我试图弄清楚我做错了什么。我需要重写onReceive方法吗?使用AlarmManager设置闹钟不会触发
我使用DatePicker和TimePicker小部件并从他们和用户的输入中获取我的数据。我在这里设置闹钟的主要类是:
public void initControls() {
timePicker = (TimePicker)findViewById(R.id.timePicker);
datePicker = (DatePicker)findViewById(R.id.datePicker);
setAlarm = (Button)findViewById(R.id.setAlarm);
myCal = Calendar.getInstance();
setAlarm.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
myCal.set(Calendar.YEAR, datePicker.getYear());
myCal.set(Calendar.MONTH, datePicker.getMonth());
myCal.set(Calendar.DAY_OF_MONTH, datePicker.getDayOfMonth());
myCal.set(Calendar.HOUR, timePicker.getCurrentHour());
myCal.set(Calendar.MINUTE, timePicker.getCurrentMinute());
myCal.set(Calendar.SECOND, 0);
Intent triggered = new Intent("alarms.DisplayNotification");
triggered.putExtra("NotificationId", 1);
PendingIntent displayIntent = PendingIntent.getActivity(
getBaseContext(), 0, triggered, 0);
alarmManager.set(AlarmManager.RTC_WAKEUP,
myCal.getTimeInMillis(), displayIntent);
}
});
}
我正在使用的另一个类是使用notificationBar并显示Alarm已触发。
@Override
public void onCreate(Bundle SavedInstanceState) {
super.onCreate(SavedInstanceState);
int notifID = getIntent().getExtras().getInt("NotificationId");
Intent i = new Intent("com.example.mt_study.Main_screen");
i.putExtra("NotificationId", notifID);
PendingIntent displayAlarm = PendingIntent.getActivity(this, 0, i, 0);
NotificationManager nm = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE);
Notification notif = new Notification(
R.drawable.book,
"Time's up!",
System.currentTimeMillis());
CharSequence from = "AlarmManager - Thats all";
CharSequence message = "Alarm DONE";
notif.setLatestEventInfo(this, from, message, displayAlarm);
//---100ms delay, vibrate for 250ms, pause for 100 ms and
// then vibrate for 500ms---
notif.vibrate = new long[] { 100, 250, 100, 500};
nm.notify(notifID, notif);
//---destroy the activity---
finish();
}
另一个选择是让第二个活动在清单中实现一个意图过滤器,它拦截“alarms.DisplayNotification” – fedepaol 2013-04-07 17:11:39
感谢您的快速响应!我在看教程时觉得这很奇怪,但是我改变了它,似乎没有效果。我现在提前一分钟设置闹钟。 – cj1098 2013-04-07 17:14:48
我已经缩小到displayNotifications类。我想我可以从这里处理它。谢谢您的帮助 :) – cj1098 2013-04-07 17:21:09