citys in india

by lokesh lokesh » Fri, 06 Mar 2009 12:12:58 GMT


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 * citys in india
 http://citysinindia.blogspot.com/ *

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Other Threads

1. MapView Not zooming to center but to top left

I am using MapView in my program and have used it a few times.  When I
zoom (using the default map zoom functionality, not zoom control) the
map does not zoom to the center but towards the top left.  Anyone know
how to make the map zoom to center of screen?

I am using Android SDK 1.5 R3 and the map jar that comes with it.

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2. GPS coordinates within certain radius based on current location

Dear all,

In my application I have a list of +400 GPS coordinates which I
retrieve from addresses. The application should give me the top X
nearest coordinates based on my current location.

This application is possible (I think) with the distanceBetween
function. But (I think) the application is really inefficient when i
iterate through the list of 400 coordinates and check the distance
within a certain time interval.
Another option is (I think) the proximityAlert function? All
coordinates are loaded in this function and when my current location
comes in the radius of a coordinate an alert is given. But the
downside of this solution (I think) is the high memory usage which
implies a short battery life of the Android phone?

Please can anybody help me to make the right decision?

Greets,
Martijn

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