"installed" apps (somewhat) === connected web app client
Kris and I are working on a prototype for all of that; Kris may help with
the names :)
On Wed, Apr 17, 2013 at 2:29 PM, Lucas Holmquist <lholmqui(a)redhat.com>wrote:
Excellent write up.
have we defined the terminology yet. i know that is something we talked
about, since we have different definitions for things.
and is this just for "installed" apps( not web apps )?
On Apr 17, 2013, at 4:39 AM, Matthias Wessendorf <matzew(a)apache.org>
wrote:
Hi folks!
As discussed a few times, we have the following "high-level" construct of
data (required for push):
- PushApplication ("HR Mobile")
- MobileApplication ("HR for iPhone", "HR for iPad", "HR for
Android")
- Installation ("Matthias uses iPhone HR", "Matthias uses Android
HR",
"Bruno uses iPad HR")
(More details here <
https://gist.github.com/matzew/6012edf62d1915689a67>)
<
https://gist.github.com/matzew/04346e212e317d976532#data-per-installation...
per installation per device
Now, thinking about what to store for an actual device gives you lot's of
choices. For instance, Helios/Orbiter stores a lot of information in the
"device" database (e.g. (current) Location Data, Locale etc).
Like you can see here:
[image: Helios Web UI
Screenshot]<https://raw.github.com/helios-framework/helios.io/assets/h...
All the information is really app specific (e.g. not every app needs to
know the current location...); (A side-note... our client SDK should be
flexible to store what ever the application requires...)
<
https://gist.github.com/matzew/04346e212e317d976532#mandatory-data>Man...
Data
Regardless of what data is desired or not, the following is the minimum
that needs to be stored:
- Device Token (generated by the PushNetwork (e.g. APNs, GCM) - used
to identify the device with the actual Network, so that it can send a
message to that device)
- OS and Device Type (we need to store if this is an installation of
the iPad version, the iPhone version or the Android version (to use the
above HR example))
- OS Version (the version, never hurts)
This is the minimum of data, required to store in our "device
registration" database;
As discussed in
AEROGEAR-1101<https://issues.jboss.org/browse/AEROGEAR-1101>,
I would like to store the above "device" data, using the Picketlink IDM
(Actually the entire data base (PushApplication, MobileApplication and
Installation("device")).
<
https://gist.github.com/matzew/04346e212e317d976532#user-data->User
Data ?
Now... you might wonder if there isn't any user data required ..... Well,
that is also up to the application and how works.
Overall, I see the following two common application models, suppored by
the *Push Server*:
- device has a user (a known user in an Application (e.g. Marketing)
Databases)
- device has *NO* user (no need to have a user for the app)
<
https://gist.github.com/matzew/04346e212e317d976532#user-required>User
required
This would be an app, that requires an account, before it can be used on
the device (e.g. something twitter). For applications like that, a user is
required, otherwise hard to send a Push Notification to a specific user
(e.g. "You have new tweets") ( *Also twitter works only with a user, on
their "application backend/database"* )
<
https://gist.github.com/matzew/04346e212e317d976532#no-user-concept-on-th...
User concept, on the backend
That's a (very) simple app. Think *Sports App*. The app displays "sport
news" (fetched via HTTP, when the app is opened). A installed application
can also receive "broadcasts messages".
*Scenario:* You download the app in the app store, install it, use it;
When ever the backend thinks it needs to send Notifications (eg. "New score
3:1 at Germany - Brazil"), it simply uses the token and submits the message
to the actual Push Network. For applications like this, the backend does
not need a user;
<
https://gist.github.com/matzew/04346e212e317d976532#application-with-user...
with User required
Now, let's comeback to the apps, where a user is required, in the backend.
Somehow the business backend (e.g. HR system) needs to identify a certain
user (and their devices), so that it can "submit" Push Notification jobs.
Bruno, Shane (from Picketlink) and I talked already to store something
like a unique ID (e.g. user-id, login-name or user-name) in the "Device"
Table (per device):
TOKEN | user | DEVICE-TYPE | OS-VERSION
_________________________________________________________________________
823ssar | abstractj | Android | Android4.x.y.blah
1234456 | mwessend | iPad | iOS4.0.1
ghh2712 | mwessend | iPhone | iOS6.1.2
Doing so, we can use that "unique ID" to *bridge* between the actual
"application database" and the stored informations about the device(s),
stored in the *push-server-database*; per user!
*NOTE* Since the Push Server (and the "device database") is a standalone
server (access via HTTP / Java Library), the real (business) backend (e.g.
HR App), can than say:
*Send message X to to following users* (a list of unique user IDs would
be send to the push server, so that the Push Server submit these messages
to the actual Push-Networks (ANPs/GCM)so that Apple and Google (for
iOS/Android) can deliver the actual notification to the client/device.
<
https://gist.github.com/matzew/04346e212e317d976532#client-sdk>Client
SDK
Again, As said above, we should (and will) offer hooks to have a
convenient way to register the unique ID, together with the
token,OS,version etc. *BUT* *that is not that important here... ;-)*
*
*
*Thoughts?*
*
*
*
*
--
Matthias Wessendorf
blog:
http://matthiaswessendorf.wordpress.com/
sessions:
http://www.slideshare.net/mwessendorf
twitter:
http://twitter.com/mwessendorf
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