Most developers don’t know if their app has a problem with excessive power consumption, because they don’t have an effective way to measure the amount of power their app consumes. If you can measure it, you can act on it. This article will focus on Best Practices for software power measurement. Reducing power consumption results in longer battery life and happier users.
The rest of this article can be viewed here: https://mostly-tech.com/2015/05/28/how-to-measure-the-power-consumption-of-your-mobile-app-using-free-software/
This article is by Rick Schwartz who will be speaking at CodeMobile about Minimizing Power Consumption and Maximizing Performance.
Rick’s conference page is here