Re: [android-developers] Re: Where/how to find the Google Play identity on Android and how to send that to an AppEngine stance.

On Wed, Aug 29, 2012 at 10:35 AM, William Ferguson
<william.ferguson.au@gmail.com> wrote:
> Thanks Nikolay
>
> the Google Play services seems half implemented to me :-(

AFAIK, it is not available yet, are you referring to the docs?

https://developers.google.com/android/google-play-services/

>
> I'm already asking for the Google Play permission, I don't really want to
> also be asking for AccountManager access just to find out some kind of
> identity for the person that has purchased the item. I don't even need a
> global identity, I just need an identity unique to my app.

I see what you mean: users seem to be easily spooked by AccountManager
permissions, which is unfortunate because using the AccountManager is
actually better for them (no need to enter a password). On ICS you can get
the email through the user profile, but that also requires permissions (which
are, IMHO, even scarier). Details:

http://stackoverflow.com/questions/2112965/how-to-get-the-android-devices-primary-e-mail-address/2175688#2175688

Short of having users specify their address/name when starting your app
or making a purchase, the only other alternative is to link with some
'social' app (FB, etc.) and (try to) get their identity from there, but
that's another can of worms.

>
> re: OAuth2 on Android - isn't that already available?
> http://code.google.com/p/google-api-java-client/wiki/OAuth2#Android
>

Yes, but only sort of. Now it depends on the Google services framework
which is part of the firmware and has different versions on different devices.
Additionally, not all OAuth2 scopes are supported, and the permission
screen can be cryptic ("Do you want to allow access to app X to data of
scope 'https://blah.foo.bar/somedata'", or some such). Google Pay Services
will be part of Google Play and updated automatically, so most devices
should get the same implementation. It it said to have a better account
chooser and other UI/usability improvements. Not sure why they are
delaying though, it was announced a while back as 'coming soon'.

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