We've heard from a lot of people who weren't happy with C2DM. We think our push API is easier to set up and use. It's also compatible with pre-2.2 Android and with Android devices that don't have an attached Google account. You can also can send push notifications to both iOS and Android with one API call. That said, if C2DM works for you there's nothing wrong with using it directly.
As a user, I'd certainly prefer for apps that I download to use the built in system functionality (like C2DM). One of the advantages of C2DM is a standard listener that used by all apps, rather than have multiple listeners (each potentially causing battery life impact). If the C2DM API is hard to use, it makes a hell of a lot more sense to write a helper wrapper around it, rather than add another listener.
No idea why you're getting downvoted. No application that uses their own push technology is as nice to my battery as C2DM is. Facebook and Twitter can't even get push notifications right, though Google refuses to put Google Voice through the push/sync that Gmail/Calendar/Contacts have. It makes no sense to me. It's there, it's easy to use, it's really battery friendly...
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We've heard from a lot of people who weren't happy with C2DM. We think our push API is easier to set up and use. It's also compatible with pre-2.2 Android and with Android devices that don't have an attached Google account. You can also can send push notifications to both iOS and Android with one API call. That said, if C2DM works for you there's nothing wrong with using it directly.
As a user, I'd certainly prefer for apps that I download to use the built in system functionality (like C2DM). One of the advantages of C2DM is a standard listener that used by all apps, rather than have multiple listeners (each potentially causing battery life impact). If the C2DM API is hard to use, it makes a hell of a lot more sense to write a helper wrapper around it, rather than add another listener.
No idea why you're getting downvoted. No application that uses their own push technology is as nice to my battery as C2DM is. Facebook and Twitter can't even get push notifications right, though Google refuses to put Google Voice through the push/sync that Gmail/Calendar/Contacts have. It makes no sense to me. It's there, it's easy to use, it's really battery friendly...