android TrafficStats getUidRxBytes inaccurate

Question

I write a little android app, sends Http request, receives response from server, and count how many bytes transmitted and received. and the code is simply as follow

Answer 1

From my understanding, you should combine getUidRxBytes with getUidRxPackets.

You should have something like : getUidRxBytes = getUidRxPackets * (tcp/ip header size)