One solutions is to have a spare replacement battery with, they only
cost $25 and the battery can be changed in a minute, can't do that
with an I-phone.

                                 Mark

On Jan 13, 4:31 pm, enervat...@gmail.com wrote:
> Hi all,
>
> I've been thinking about battery life issues as a somewhat clueless
> new user and what strikes
> me is that there is between little and no debugging scaffolding to
> profile what affects battery
> life.
>
> Currently there are some pretty high level guidelines:
>
> 1) not turning on your android saves battery life
> 2) turning on your android, but turning off all of the networking saves
>    battery
> 3) turning on 3g drains battery life
> 4) turning on wifi drains battery life
> 5) turning on the GPS drains battery life
> 6) turning on the screen drains battery life.
>
> Unfortunately, these are pretty useless from a dev standpoint since
> they don't tell me
> *how much* it drains battery life so I can make intelligent tradeoffs
> against interactivity
> vs. battery life.
>
> It would be really really nice to either have some numbers to work
> with, but much much
> better would be to have some sort of profiler-like utitity -- sort of
> a battery equivalent of
> gprof, say -- to guide us to making more battery friendly apps. I
> don't know about the
> rest of the developers here, but I'm pretty sure that not too many of
> us go about developing
> apps wondering if we can set the battery drain speed record :)
>
> Mike
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