[Aerogear-users] Issues unregistering from server

Summers Pittman supittma at redhat.com
Mon Jul 20 09:49:43 EDT 2015

1) You should be creating the PushRegistrar object in a static block in
your activity OR in the onCreate method of your Application (also make sure
you have subclassed application and set that class to the name property of
your application in your AndroidManifest.)

2) You need to also make sure that register() is called before
unregister().  If Android kills your application you will need to call
register to call unregister.  It is a bit counter intuitive but it keeps
your registration state in sync with GCM so that you are properly

3) Do you have a github we can take a look at with the project in it?

On Fri, Jul 17, 2015 at 12:56 PM, alan10fm <alan10fm at gmail.com> wrote:

> Hi everybody.
> I am making an android app using unified push server and Openshift.
> I am using the code in the next link to register my devices
> https://aerogear.org/docs/guides/aerogear-android/push/
> the register works good and i can receive push notification.
> My problem is when i want to unregister the device, when i register the
> device and i never close the app and i unregister the device it works but
> my
> issue is when i register my device and close the app, after relaunch the
> app
> when i try to unregister the device the app brokes because of a null
> pointer
> exception in this line
> registrar.unregister(getApplicationContext(), new Callback<Void>()
> because the registar object is null
> I have made a lot of combinations to recover the registar object but
> anything works the server returns me a 404 code error.
> In this link is my code:
> https://stackoverflow.com/questions/31363464/unregister-devices-aerogear
> I will appreciate any help with this.
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