I am developing an Android application as a research tool. The idea is that the researcher transfers several Android devices to the Android participants, and they use the device to collect data on behalf of the researcher.
Now I would like to use Android C2DM (cloud for messaging with the device). The problem here is that a Google account is required. This will not work for me, as the researcher will have to pre-configure one account for each device. This would be feasible, but the actual problem arises from market access. Participants could use this account to buy something from the market. Therefore, my question is how to limit the functionality of the Market only to free applications while maintaining C2DM.
Thank you all
You cannot "limit the functionality of the market to only free applications."
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