Google Analytics screen views and session are zero

I implemented Analytics in Android. And it's working, but screen views and sessions are zero. It's been more then 12 hours and everything else is tracked and I can see data except screen views and session

Everything worked just fine before we added this:

//call method md5 form md object
tracker.set("&uid", md.md5(android_id));
tracker.set("&cd1", md.md5(android_id));

And here is data:
[​IMG]

from Google Analytics http://ift.tt/1NdIdki
via IFTTT
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