如果AlarmManager和NotificationManager不工作,可以按照以下步骤来解决问题:
并且添加了以下声明:
下面是一个示例代码,演示如何设置AlarmManager和NotificationManager来触发一个定时通知:
// 设置AlarmManager
AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
Intent intent = new Intent(this, MyNotificationReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(System.currentTimeMillis());
calendar.set(Calendar.HOUR_OF_DAY, 8); // 设置闹钟触发时间为每天早上8点
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
// 设置重复时间间隔为一天
long interval = AlarmManager.INTERVAL_DAY;
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), interval, pendingIntent);
// 设置NotificationManager
NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
NotificationCompat.Builder builder = new NotificationCompat.Builder(this)
.setSmallIcon(R.drawable.notification_icon)
.setContentTitle("提醒")
.setContentText("该做某事了!")
.setPriority(NotificationCompat.PRIORITY_DEFAULT);
// 发送通知
notificationManager.notify(1, builder.build());
public class MyNotificationReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// 在收到广播时触发通知
NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
NotificationCompat.Builder builder = new NotificationCompat.Builder(context)
.setSmallIcon(R.drawable.notification_icon)
.setContentTitle("提醒")
.setContentText("该做某事了!")
.setPriority(NotificationCompat.PRIORITY_DEFAULT);
notificationManager.notify(1, builder.build());
}
}
这些步骤可以帮助解决AlarmManager和NotificationManager不工作的问题。如果问题仍然存在,可能是由于其他代码逻辑或设备设置导致的,需要进一步调试和排查。