在特定时间设置通知android

我意识到这个问题之前已经被问过了,但是我正在以这个机智结束。

我有一个警报pipe理器来build立一个通知

public void to_reminder(View view) { Intent intent=new Intent(this,Notification_morning.class); AlarmManager manager=(AlarmManager)getSystemService(Activity.ALARM_SERVICE); PendingIntent pendingIntent=PendingIntent.getService(this, 0,intent, 0); Calendar cal=Calendar.getInstance(); cal.set(Calendar.HOUR_OF_DAY, timepicker.getCurrentHour()); cal.set(Calendar.MINUTE,timepicker.getCurrentMinute()); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); manager.setRepeating(AlarmManager.RTC_WAKEUP,cal.getTimeInMillis(),24*60*60*1000,pendingIntent); } 

…然后我有通知本身就是服务:

 public class Notification_morning extends Service { @Override public void onCreate() { Toast.makeText(this, "MyAlarmService.onCreate()", Toast.LENGTH_LONG).show(); Intent resultIntent=new Intent(this, Calendar_start.class); PendingIntent pIntent=PendingIntent.getActivity(this,0,resultIntent,0); Notification noti_builder= new Notification.Builder(this) .setContentTitle("Don't forget to plan your activitites for the day! ") .setContentIntent(pIntent) .build(); NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); //what does this do!? noti_builder.flags |=Notification.FLAG_AUTO_CANCEL; notificationManager.notify(1,noti_builder); } @Override public IBinder onBind(Intent intent) { return null; } 

}

我包括敬酒,以确保我真的要去这个方法。 吐司来了,但通知没有。 我在这里做错了什么? 是否需要更改清单文件中的某些内容?

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