Question

如何在Android应用中实现通知功能，在xml上设定的时间内，应用会显示通知？

假设本地xml文件的值为notifyat = 5：00pm，所以我希望每天都有应用程序，根据该值显示通知？

我一直在阅读本教程http://www.vogella.com/articles/AndroidNotifications/article.html

如何让应用程序每天自动读取xml文件并在指定时间显示通知？

Answer 1

为了做这样的事情，你需要使用AlarmManager。以下是在此特定时间运行代码的示例：

    // create intent
    launchIntent = new Intent(this, MyAlarmReceiver.class);
    pendingIntent = PendingIntent.getBroadcast(this, 0, launchIntent, 0);

    AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
    long interval = TimeUnit.DAYS.toMillis(1); // the interval is one day
    long firstTime = 0;

    // create a Calendar object to set the real time at which the alarm
    // should go off
    Calendar alarmTime = Calendar.getInstance();
    alarmTime.set(Calendar.HOUR_OF_DAY, 17);
    alarmTime.set(Calendar.MINUTE, 0);
    alarmTime.set(Calendar.SECOND, 0);

    Calendar now = Calendar.getInstance();
    // set the alarm for today at 5pm if it is not yet 5pm
    if (now.before(alarmTime)) {
        firstTime = alarmTime.getTimeInMillis();
    } else {
        // set the alarm for the next day at 5pm if it is past 5pm
        alarmTime.add(Calendar.DATE, 1);
        firstTime = alarmTime.getTimeInMillis();
    }
    // Repeat every day at 5pm
    alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, firstTime, interval,
            pendingIntent);

“MyAlarmReceiver”类是您放置启动通知的代码的地方。确保在AndroidManifest中声明您的BroadcastReceiver类。

如何根据本地xml文件时间值创建android通知？

1 个答案: