Android app performance

Is there any graph or mechanism to test the performance of an android app? I am making an Android application for client server commu开发者_如何学运维nication and using Rest and different methods.

How can I measure its performance in terms of processing and battery life?

I would suggest you use the built in profiling tools. Here is a tutorial:

http://developer.android.com/guide/developing/debugging/debugging-tracing.html