Push notifications are currently available for iPhones, Palm Pre, and Blackberries provided by their respective manufacturer. However, I have not heard anything about androids (perhaps because Google does not actually sell the phones themselves. Are there any solutions there at all?
Android does not have the same restrictions as the operating systems of devices from other other manufacturers. Therefore, it is likely that the data or notifications already exist as an intention, and you just need to register for this intention in your application.
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