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Revision as of 10:32, 19 January 2010 by tanjaluodes (Talk | contribs)

Archived:Calculating the distance between two locations in Flash Lite

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Article Metadata
Tested with
Devices(s): Nokia 5800 XpressMusic
Compatibility
Platform(s): S60 5th Edition
Symbian
S60 5th Edition
Article
Keywords: Service.Location, location.Calculate()
Created: (26 Jan 2009)
Last edited: tanjaluodes (19 Jan 2010)

Overview

This code snippet demonstrates how to calculate the distance between two locations using the Location Platform Service for Flash Lite supported from S60 5th Edition onwards.

Source

// Import Platform Service Interface
import com.nokia.lib.Service;
// Heading of the application
heading_txt.text = "Calculate Distance";
 
// Create new Service object which has location data
var location = new Service("Service.Location", "ILocation");
 
// Define source distance
var sourceDistance = {Longitude:1, Latitude:0.49, Altitude:0.5};
var startPoint:String = new String("Longitude:1, Latitude:0.49, Altitude:0.5");
 
// Define destination distance
var destinationDistance = {Longitude:1, Latitude:0.5, Altitude:0.5};
var destinationPoint:String =
new String("Longitude:1, Latitude:0.5, Altitude:0.5");
 
// Define input parameters
var inParams = {
MathRequest:"FindDistance", DistanceParamSource:sourceDistance,
DistanceParamDestination:destinationDistance
};
 
// Define result value
var outParams = location.Calculate(inParams);
 
// Check if calculate success
if (outParams.ErrorCode == 0) {
var distance = outParams.ReturnValue;
text_txt.text += "Distance: "+distance+"\r\r";
text_txt.text += "from:\r"+startPoint+"\r\r";
text_txt.text += "to:\r"+destinationPoint;
} else {
var errorId = outParam.ErrorCode;
text_txt.text += "Error: "+errorId;
}

Postconditions

The distance between the source and destination is displayed.

Example application

The following sample application has been tested in Nokia 5800 XpressMusic (S60 5th Edition, Flash Lite 3.0). File:FlashLite Calculating The Distance.zip

See also

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