Question

我正在处理触发预定通知的应用程序。

我面临的是并非所有预定的通知都会被解雇。

在我的例子中，有时它只触发最后一个通知（event4），有时它会触发跳过第二个的第1个，第3个和第4个通知。为什么会这样？

这是我的代码：

Calendar cal = Calendar.getInstance();
        cal.set(Calendar.DATE,26);
        cal.set(Calendar.MONTH,11);
        cal.set(Calendar.YEAR,2015);
        cal.set(Calendar.HOUR_OF_DAY, 15);
        cal.set(Calendar.MINUTE, 9);
        cal.set(Calendar.SECOND, 10);

        Calendar cal2 = Calendar.getInstance();
        cal2.set(Calendar.DATE,26);
        cal2.set(Calendar.MONTH,11);
        cal2.set(Calendar.YEAR,2015);
        cal2.set(Calendar.HOUR_OF_DAY, 15);
        cal2.set(Calendar.MINUTE, 9);
        cal2.set(Calendar.SECOND, 20);

        Calendar cal3 = Calendar.getInstance();
        cal3.set(Calendar.DATE,26);
        cal3.set(Calendar.MONTH, 11);
        cal3.set(Calendar.YEAR,2015);
        cal3.set(Calendar.HOUR_OF_DAY, 15);
        cal3.set(Calendar.MINUTE, 9);
        cal3.set(Calendar.SECOND, 30);

        Calendar cal4 = Calendar.getInstance();
        cal4.set(Calendar.DATE,26);
        cal4.set(Calendar.MONTH, 11);
        cal4.set(Calendar.YEAR,2015);
        cal4.set(Calendar.HOUR_OF_DAY, 15);
        cal4.set(Calendar.MINUTE, 9);
        cal4.set(Calendar.SECOND, 40);



AlarmManager alarmManager = (AlarmManager)  getSystemService(Context.ALARM_SERVICE);

 Intent alertIntent = new Intent(this, AlertReceiver.class);

        alertIntent.putExtra("Notification Key", 1);
        alarmManager.set(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), PendingIntent.getBroadcast(this, 1, alertIntent, PendingIntent.FLAG_UPDATE_CURRENT));

        alertIntent.putExtra("Notification Key", 2);
        alarmManager.set(AlarmManager.RTC_WAKEUP, cal2.getTimeInMillis(), PendingIntent.getBroadcast(this, 2, alertIntent, PendingIntent.FLAG_UPDATE_CURRENT));

        alertIntent.putExtra("Notification Key", 3);
        alarmManager.set(AlarmManager.RTC_WAKEUP, cal3.getTimeInMillis(), PendingIntent.getBroadcast(this, 3, alertIntent, PendingIntent.FLAG_UPDATE_CURRENT));

        alertIntent.putExtra("Notification Key", 4);
        alarmManager.set(AlarmManager.RTC_WAKEUP, cal4.getTimeInMillis(), PendingIntent.getBroadcast(this, 4, alertIntent, PendingIntent.FLAG_UPDATE_CURRENT));

这是OnReceive

public class AlertReceiver extends BroadcastReceiver {


@Override
public void onReceive(Context context, Intent intent) {

     Integer notificationId  = intent.getIntExtra("Notification Key", -1);
    switch(notificationId){
        case 1:
            createNotification(context, "title1", "event1", "event of today");
            break;
        case 2:
            createNotification(context, "title2", "event2", "event of today");
            break;
        case 3:
            createNotification(context, "title3", "event3", "event of today");
            break;
        case 4:
            createNotification(context, "title4", "event4", "event of today");
            break;
    }


       }

public void createNotification(Context context, String msg, String msgText, String msgAlert) {
    PendingIntent notificIntent = PendingIntent.getActivity(context, 0, new Intent(context, MainActivity.class), 0);

    NotificationCompat.Builder mBuilder=new NotificationCompat.Builder(context)
            .setSmallIcon(R.drawable.not)
            .setContentTitle(msg)
            .setTicker(msgAlert)
            .setContentText(msgText);
    //intent to fire when notification clicked on
    mBuilder.setContentIntent(notificIntent);
    //how the person will be notified
    mBuilder.setDefaults(NotificationCompat.DEFAULT_SOUND);
    //cancel notification when clicked in the taskbar
    mBuilder.setAutoCancel(true);
    NotificationManager mNotificationManager= (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
    mNotificationManager.notify(0,mBuilder.build());

Answer 1

通知ID对于已发布的通知不应该是唯一的

  mNotificationManager.notify(0,mBuilder.build());

更改上面的代码，如

  mNotificationManager.notify(some_random_number++,mBuilder.build());

使用任何随机数..您可以使用以下脚本生成随机数

 Random rand = new Random2();
 randomNum = minimum + rand.nextInt((maximum - minimum) + 1);

为什么我的应用程序不会触发所有预定通知？

1 个答案: