Java 警报管理器问题通知
我有三个问题: 1) 到目前为止,我已经实施了以下措施:Java 警报管理器问题通知,java,android,algorithm,notifications,alarmmanager,Java,Android,Algorithm,Notifications,Alarmmanager,我有三个问题: 1) 到目前为止,我已经实施了以下措施: public final class CalculateTime { public int iHour; public int iMinute; public Calendar calendar; private void calculateRandomNumbers() { Random randomNumberGenerator = new Random(); iHo
public final class CalculateTime {
public int iHour;
public int iMinute;
public Calendar calendar;
private void calculateRandomNumbers() {
Random randomNumberGenerator = new Random();
iHour = randomNumberGenerator.nextInt(19 - 9) + 9;
iMinute = randomNumberGenerator.nextInt(59);
}
public void calculateRandomTime() {
calculateRandomNumbers();
calendar = GregorianCalendar.getInstance();
calendar.setTime(new Date());
calendar.set(Calendar.HOUR_OF_DAY, iHour);
calendar.set(Calendar.MINUTE, iMinute);
}
}
因此,通知应该在9点到19点之间的任何时间推送一次。但是通知在9点到19点之间发送了两次
2) 当计算在过去时,会立即推送通知
3) 我想每周发送一次通知,如何实现?我试过:
// For Monday
calendar.set(Calendar.DAY_OF_WEEK, 2)
但我不确定这是否正确,因为我无法轻松测试。(我不能每次都等一个星期!):/
还有一些代码,用于设置报警:
public final class NotificationService extends IntentService {
public static final String DESCRIPTION = "description";
public static final String HEADLINE = "headline";
private static final int FM_NOTIFICATION_ID = 0;
public NotificationService() {
super("NotificationService");
}
@Override
protected void onHandleIntent(Intent intent) {
/*
* This method is invoked whenever an intent for this service is fired.
* The actual firing is done by the AlarmManager in the
* TodoEntriesAdapter, but really we don't care at this point where
* exactly the intent came from.
*/
String description = intent.getStringExtra(DESCRIPTION);
String headline = intent.getStringExtra(HEADLINE);
addNotification(description, headline);
}
private void addNotification(String description, String headline) {
NotificationCompat.Builder builder =
new NotificationCompat.Builder(this)
.setSmallIcon(R.drawable.ic_launcher)
.setContentTitle(headline)
.setContentText(description)
.setAutoCancel(true);
Intent notificationIntent = new Intent(this, ReadNotification.class);
notificationIntent.putExtra("description", description);
notificationIntent.putExtra("headline", headline);
PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent,
PendingIntent.FLAG_UPDATE_CURRENT);
builder.setContentIntent(contentIntent);
// Add as notification
NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
manager.notify(FM_NOTIFICATION_ID, builder.build());
}
}
AlarmManager
实际交互的代码会很有帮助。如果显示选定的时间(例如,使用日志记录功能),您将能够看到哪个通知是正确的,以及安排报警的代码是否被调用两次nextInt(x)
返回一个介于0到x-1之间的整数,而不是0到x之间的整数。请您将代码张贴在您实际设置报警的位置好吗?@tom No,它介于0到x-1之间(包括两者)@MichaelButscher谢谢(更正)。我不知道这是怎么发生的。我已经用更多的代码编辑了我的帖子,我希望这会有所帮助