Multiple notification

stefanoa · Jan 9, 2012

i need to create a notification for each new task that is created... so i call AlarmService with a different id (alarmID) every time I create a new task.

with this code considers only the last notification created :BangHead:

every time I save a new task i have to call this code:

(tmpAlarmID is a sequential number)

'--- Start service ---
AlarmService.DescriptionTitle="Title...."
AlarmService.DescriptionBody="Body....."
AlarmService.AlarmID=tmpAlarmID
StartServiceAt( AlarmService, Alarm, True)

the service (AlarmService) is:

Sub Service_Create

Notification1.Initialize
Notification1.Icon = "icon" 'use the application icon file for the notification
Notification1.Vibrate = True
Notification1.SetInfo(DescriptionTitle, DescriptionBody, "")
Notification1.Sound = True

End Sub

Sub Service_Start (StartingIntent As Intent)
Notification1.Notify (alarmID)
End Sub

any suggestions? thanks

stefanoa · Jan 9, 2012

some help? thanks

:sign0085:

Erel · Jan 10, 2012

Try to reinitialize the notification object each time (move the code from Service_Create to Service_Start).

stefanoa · Jan 10, 2012

same problem..

is activated only the last notification inserted... :-(

Sub Service_Start (StartingIntent As Intent)

Notification1.Initialize
Notification1.Icon = "icon" 'use the application icon file for the notification
Notification1.Vibrate = True
Notification1.SetInfo(DescriptionTitle, DescriptionBody, "")
Notification1.Sound = True
Notification1.AutoCancel =True
Notification1.Notify (alarmID)

End Sub

Erel · Jan 10, 2012

Make sure that the ID is different each time. I've just tested the following code and it works as expected:

B4X:

Dim notification1 As Notification
notification1.Initialize
notification1.Icon = "icon" 'use the application icon file for the notification
notification1.Vibrate = True
notification1.SetInfo("sdfsdf", "fwefwef", "")
notification1.Sound = True
notification1.AutoCancel =True
notification1.Notify (1)

notification1.Initialize
notification1.Icon = "icon" 'use the application icon file for the notification
notification1.Vibrate = True
notification1.SetInfo("sdfsdf", "fwefwef", "")
notification1.Sound = True
notification1.AutoCancel =True
notification1.Notify (2)

notification1.Initialize
notification1.Icon = "icon" 'use the application icon file for the notification
notification1.Vibrate = True
notification1.SetInfo("sdfsdf", "fwefwef", "")
notification1.Sound = True
notification1.AutoCancel =True
notification1.Notify (3)

stefanoa · Jan 10, 2012

i think the problem is the Service because the ID is different but i call the same service every time.. :BangHead:

Main: (whe in save a new task):

'--- start service ---
AlarmService.DescriptionTitle=descriptionedittext.Text
AlarmService.DescriptionBody="id:" & tmLastAlertID
AlarmService.AlarmID=tmLastAlertID '>> sequential

StartServiceAt(AlarmService, Alarm, True)
....

AlarmService:

Sub Service_Start (StartingIntent As Intent)

Notification1.Initialize
Notification1.Icon = "icon" 'use the application icon file for the notification
Notification1.Vibrate = True
Notification1.SetInfo(DescriptionTitle, DescriptionBody, "")
Notification1.Sound = True
Notification1.AutoCancel =True
Notification1.Notify (alarmID)

End Sub

stefanoa · Jan 10, 2012

but it is correctly launch more times the same service with different dates and times? Could this be the problem?

otherwise I should create different instances of the same service .. but how?

Erel · Jan 10, 2012

I think that this problem is not related to notifications at all.
Add log messages and see when the service runs.

Remember that every call to StartServiceAt cancels previous calls.

stefanoa · Jan 10, 2012

So this is the problem!!!

Remember that every call to StartServiceAt cancels previous calls.

So how can I do to plan multiple services at different times?

Erel · Jan 10, 2012

You should save all the scheduled times in a file and then call StartServiceAt with the first time.
In Service_Start you should schedule the service to fire at the next time (load the file, delete the first item and save it again).

stefanoa · Jan 10, 2012

a little complex but could be a solution.... thanks

Mashiane · Jul 21, 2013

Hi Stefanoa, did u manage to get this going? Can you please share the code for the alarms please?

drachmad · Jul 21, 2013

Hi @Mashiane
While waiting for @stefanoa answer or a better algorithm, you can see an example at: http://www.b4x.com/android/forum/threads/alarm-with-simple-task-reminder.29379/

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