About porting Android to CDMA phones?

by mark . kahrl » Wed, 04 Mar 2009 05:41:01 GMT

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 I know for a fact that several vendors are currently developing
Android to deploy on CDMA phones, don't know exactly what code
modifications are required.



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1. Efficiency of requestLocationUpdates() and how to save these gps data


i'm developing a small gps application. I want to track "some" gps
data. So I use the requestLocationUpdates - function.
Now a quote from the android development reference:

"The frequency of notification or new locations may be controlled
using the minTime and minDistance parameters. If minTime is greater
than 0, the LocationManager could potentially rest for minTime
milliseconds between location updates to conserve power. If
minDistance is greater than 0, a location will only be broadcast if
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frequently as possible, set both parameters to 0. "

My question is, how much battery power will be lost, if a user wants
to track for example 100 km and i set the parameters to 0?
My second question is, how I can save the gps data efficiently?? If
the user wants to track a 100km tour, I will have 100.000 gps data (if
the device broadcast a change of location every 1m).

So I think, I have to choose the parameter values of the
requestLocationUpdates - function greater than 0.
Has anyone experience and can give me a value which gives good results
(if I drive with a bike (10-15km/h) or if i walk (5km/h)? And how can
I save a specific point during the minTime and minDist (for example if
there is a landmark)?


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