Google Cloud Messaging for Android library vs. Google Play Services
Current Google GCM documentation requires you to install Google Play
Services and to use them for GCM (Google Cloud Messaging). The library is
1.1MB, yet my current .apk is half that size. My app is intended to
receive GCM and display some data on the screen, so I don't need Google
Play Services' Maps API, G+ login, etc. Nor I need to be able to respond
back to the server after getting GCM.
SDK Manager allows download and installation of standalone Google Cloud
Messaging for Android package. It is the one that was used before Google
I/O 2013, where Play Services were announced.
My question is: what is the difference in performance between GPS's GCM
and standalone GCM for Android? Do I really have to switch to GPS? Is
standalone GCM depricated? Can I still receive data (up to 4K) with
standalone GCM?
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