alarmmanager

问题 I know there are dozens of similar threads on SO about this topic but I just couldn't find one that really solves the problem / or identifies the root cause. First of all, I'm targetting SDK 22 (Android 5.1) which means I could use the AlarmManager + WakefulBroadcastReceiver + IntentService even if this is not the latest way of doing things. I'm not interested in the JobScheduler etc solutions, I just want to understand what is happening and why. The phone I'm testing on has Android 8.0, but

问题 I have two counters stored with sharedpreferences and I need to reset them to zero everyday at midnight, I know I have to use alarmmanager but I don't really know how I have to do it, I looked at SO exemples and on the google documentation but can't find a way to do it. the two counters I have are stored like this: SharedPreferences.Editor editor = counters.edit(); editor.putInt("wcounter", wcounter); editor.commit(); how can I reset them at midnight? 回答1: Set the alarm somewhere appropriate

问题 I have two counters stored with sharedpreferences and I need to reset them to zero everyday at midnight, I know I have to use alarmmanager but I don't really know how I have to do it, I looked at SO exemples and on the google documentation but can't find a way to do it. the two counters I have are stored like this: SharedPreferences.Editor editor = counters.edit(); editor.putInt("wcounter", wcounter); editor.commit(); how can I reset them at midnight? 回答1: Set the alarm somewhere appropriate

问题 I know there are dozens of similar threads on SO about this topic but I just couldn't find one that really solves the problem / or identifies the root cause. First of all, I'm targetting SDK 22 (Android 5.1) which means I could use the AlarmManager + WakefulBroadcastReceiver + IntentService even if this is not the latest way of doing things. I'm not interested in the JobScheduler etc solutions, I just want to understand what is happening and why. The phone I'm testing on has Android 8.0, but

问题 I am trying to create an alarm using AlarmManager it works fine even when device is locked. But when I kill the application using Settings -> Manege App -> MyApp -> Force Stop then my alarm destroys all the settings . So please tell me how to save my alarm settings after application is killed even by forced stop and it notifies me on its usual time. Thanks in advance... 回答1: But when I kill the application using Settings -> Manege App -> MyApp -> Force Stop then my alarm destroys all the

问题 For example i want to have an alarm that will fire every Thursday at 12PM How would i do this? I have something implemented but isnt working properly,with the code that i have, today is wednesday 15, if change the date of the phone to 16 thrusday, the app doesnt do anything, if i change the date of the phone for the next wednesday 22 the phone sends a notification, but only should send on thursdays. Here is my code: MainActivity: protected override void OnCreate(Bundle bundle) {

问题 My code: Calendar calSet = Calendar.getInstance(); calSet.set(Calendar.HOUR_OF_DAY, 11); calSet.set(Calendar.MINUTE, 20); calSet.set(Calendar.SECOND, 0); calSet.set(Calendar.MILLISECOND, 0); PendingIntent pi=PendingIntent.getBroadcast(context,0,myIntent,PendingIntent.FLAG_UPDATE_CURRENT); AlarmManager alarmManager = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE); alarmManager.set(AlarmManager.RTC_WAKEUP,calSet.getTimeInMillis(),pi); and say, I'm executing at 11:30. Alarm

问题 I have implemented the alarm manager to wake up the background services every 15 mins periodically. It is working fine, but since the inclusion of DOZE mode Android 6.0, the seems like behaving strange and not waking up in every 15 mins. Although, I am using the method alarm.setExactAndAllowWhileIdle(), but still not working in Idle state here is my method for implementing Alarm Manager private void serviceRunningBackground() { final Intent restartIntent = new Intent(this, service.class);

问题 Hi i need to stop the Background service which is already started after particular time.I will get the duration from server for when to stop the service.I have tried the Alarm Manager in android. Calendar cal = Calendar.getInstance(); Intent intent = new Intent(context, MyService.class); PendingIntent pintent = PendingIntent.getService(context, 0, intent, 0); AlarmManager alarm = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE); // Start every 30 seconds alarm.setRepeating

问题 I'm setting multiple alarms so they can be repeated on specific days. Now I have heard that Android doesn't save the alarms on reboot. I have also read that BroadcastReceiver should be used when BOOT_COMPLETED to reschedule all the alarms. But how do I tell the BroadcastReceiver to reschedule alarms after reboot if I have 5 alarms per day = around 35 alarms scheduled on different days. Do I need to store them in the database or? How do I store them? Or is the BOOT_COMPLETED all I need? Is