在Android Studio中显示多次每日重复通知

Question

在我的应用中，我想显示尽可能多的日常通知（这是一种医疗提醒）。用户还设置了新通知的时间。但是我的应用程序目前仅显示一份最新通知。您能帮我解决这个问题吗？

我用于创建新通知的代码（sethour等。以前由用户设置）：

Calendar calendar = Calendar.getInstance();
                    calendar.set(Calendar.HOUR_OF_DAY, setHour);
                    calendar.set(Calendar.MINUTE, setMinute);
                    calendar.set(Calendar.SECOND, 0);
                    Intent intent1 = new Intent(ReminderActivity.this, AlarmReceiver.class);
                    PendingIntent pendingIntent = PendingIntent.getBroadcast(ReminderActivity.this, MID,intent1, 0);
                    AlarmManager am = (AlarmManager) ReminderActivity.this.getSystemService(ReminderActivity.this.ALARM_SERVICE);
                    am.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), AlarmManager.INTERVAL_DAY, pendingIntent);

我的alarm> alarmreceiver：

public class AlarmReceiver extends BroadcastReceiver {
    public static int MID = 0;
    private static final String CHANNEL_ID = "this.is.my.channelId";
    @Override
    public void onReceive(Context context, Intent intent) {
        Intent notificationIntent = new Intent(context, MainActivity.class);

        TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
        stackBuilder.addParentStack(MainActivity.class);
        stackBuilder.addNextIntent(notificationIntent);

        PendingIntent pendingIntent = stackBuilder.getPendingIntent(MID, 0);

        Notification.Builder builder = new Notification.Builder(context);

        Notification notification = builder.setContentTitle("Notification")
                .setContentText("New Notification")
                .setTicker("New Message Alert!")
                .setSmallIcon(R.mipmap.ic_launcher)
                .setVibrate(new long[]{1000, 1000, 1000, 1000, 1000})
                .setContentIntent(pendingIntent).build();

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            builder.setChannelId(CHANNEL_ID);
        }

        NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
//below creating notification channel, because of androids latest update, O is Oreo
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            NotificationChannel channel = new NotificationChannel(
                    CHANNEL_ID,
                    "NotificationDemo",
                    NotificationManager.IMPORTANCE_DEFAULT
            );
            notificationManager.createNotificationChannel(channel);
        }

        notificationManager.notify(MID, notification);
        MID++;
    }
}

Answer 1

当您创建pendingIntent时，

PendingIntent pendingIntent = PendingIntent.getBroadcast(ReminderActivity.this, MID,intent1, 0);

请检查您不会传递相同的请求代码MID。在这种情况下，Android“重用”以前创建的未决意图，这就是为什么您只会看到最新的通知而不是几个通知。

避免问题的最简单方法似乎是传递不同的请求代码（或其他参数，例如不同的setAction（...） - 参见下面的链接）。

有关更多信息，请浏览一下Android如何比较即将出现的意图： >