gps

What's the most efficient way to create routes on google maps from gps files?

I want to display my bicycle routes on Google maps. All the coordinates are recorded by my GPS and stored in .gpx file format. I'd like to know what's the best approach/file formats/storage/loading the coordinates on Google Maps. This is a good example but it doesn't seem to be working. ...

how to get geographical location from co-ordinates using jde 4.5

Hi, How can I get the geographical location (Address) from the co-ordinates in Blackberry jde 4.5. Thanks and regards, Vivek Birdi. ...

Android: various questions about GPS

I'm writing my first location based android app, but got confused about some of the GPS service api. Here are some questions I have: 1) To get my current location, I called requestLocationUpdates() with a listener in the onCreate() method of one activity. But what happens when another activity starts and the current activity goes invisi...

Monitoring GPS Coordinates

I need to monitor GPS Coordinates changes at every 15 min and take action based on that. as per bada developer guide report "only one application allowed to run at a time if another application try to run first one is closed" .so that how do i monitor GPS coordinates without interruption from other applications. how do i keep my applic...

j2ME setLocationListener()

I'm programming a GPS tracking system using the Motorola i335 running on Sprint's IDEN network. I'm using the javax.microedition.location api to find the GPS coordinates. To set up the updating, you use the [setLocationListener][1] method. I originally tried passing (listener,2,1,1). However there were too many invalid locations bein...

Is there a way to track a GPS device using PHP?

In my upcoming project, I need to track GPS device attached to vehicles. Is there any way this is possible through PHP or ASP.Net ...

Is there a Math.atan2 substitute for j2ME? Blackberry development

I have a wide variety of locations stored in my persistent object that contain latitudes and longitudes in double(43.7389, 7.42577) format. I need to be able to grab the user's latitude and longitude and select all items within, say 1 mile. Walking distance. I have done this in PHP so I snagged my PHP code and transferred it to Java, whe...

Check WiFi and GPS isConnected or Not in Android?

I would need to check the wifi is on or off in the phone at the runtime? if it is not connected, i want to show dialog and goto directly Setting/Wireless Controls to enable it by user. its for both wifi and Gps staus of the phone. How to do it? which intent to wake for this? Any idea? ...

Android GPS app not closing connection

Hi there, Fairly new to Android, so just trying to work out: I have a simple Maps app that plots a couple of locations. It's a demo for a potentially bigger app later. The one thing I would like to do is make it exit correctly. I want to assume that when a user hits the "Home" or "Back" button on the phone, that they have exited the ap...

how does google map determine locations for phones without gps

http://www.google.com/mobile/maps/ Using this on phones without gps, the locatiosn can be obtained as well. I am currently using the html5 geocoder/gear for obtaining locations. However this only works for iphone and android. BUt how does google map get the information from phones without this capbility? ...

Enable GPS without forwarding the user to "settings"?

Hi Guys, I know this question has been asked in similar forms before, but I found no real answer about the following issue: On my Nexus One there's a widget to toggle on/off several things on my phone like wlan, bluetooth, gps,.. Why does this widget has access to the GPS, without forwarding me to the settings screen? And how can I u...

Android GPS timeout

Edit: I'm rewriting this question because I apparently wasn't clear. Sometimes the GPS service on Android phones takes a long time to get a fix. Sometimes it's fast, sometimes it takes hours. I know and accept this. I have an application that does many things. One of the things it must do is allow the user to click a button to send the...

What ellipsoid or geoid for GPX file elevations-and how do you know?

I have been poking around and have been unable to find a standard for what ellipsoid or geoid corresponds to "0" elevation in GPX files. Is there a standard? Do I just assume the WGS84 ellipsoid? Or if different standards are used, is there a way of figuring out from the file which one was used? Or making an educated guess? And what ...

Access COMPORT 1 through three different applications.

Hi I have an SMS Appliaction, which receives the messages through GPS Modem and revert back through GPS Modem. The Modem is using COM1. Now, i need two more appliactions which can send messages through the same GPS Modem. I tried making a webservice which can access the COM1 to send data, but when i try to connect through webService,...

Good value for declaring "Position reached" in geo coords

Hi Guys, I've written a kind of navigation system for pedestrians. The only thing is, that I need a criterion to finish the navigation. My values are gives as lat/long pairs. What would you assume would be a good value to say, both positions are equal/near enough to tell the user that he has reached the goal? Please keep also in mind,...

Android's LocationManager is ignoring changes in requestLocationUpdates calls, but only on the Droid

In an Android app I'm developing, I've got a need for LocationManager to give me location fixes. That part is all nice and good; it's working, it has been for quite some time, and all is happy there. However, now that I've also recently added a feature that allows the location tracking part to go to the background, I also want to allow...

Problems with GPS on J2ME

Hi Guys, I'll try to be very specific here, well, In my application, I have a Destination coordinate (x,y) and my actual coordinate... and I update my coordinate each and every 5 seconds as shown locationProvider.setLocationListener(this, 5, 5, 5); Anyway, I draw an Arrow pointing to the destination coordinate (using the angle "vecto...

How GPS works in iPhone ?

Hi Friends, I am using a iPhone 3g. I am in India(I got it in India). I just tried to check my location using the Google Maps. My location was spotted when I had sim in my phone. But when I took out the SIM from iPhone, I did not get my location. I tried the same with the Locate me Sample Application . So can someone explain how GPS ...

Consequences of isRouteDisplayed() on map view

Hi guys, I'm just wondering what consequences the method isRouteDisplayed() has, regarding to functionality of a map view... I have two activities, one displays a route and one doesn't. Is it mandatory to let the first isRouteDisplayed()-Method return true? What effects does it have? greets, poeschlorn ...

converting GPS latitude/longitude from different formats to one format (in PHP)

Hi. i'm trying to built in support for locations in my application and i'm expecting users to be inputting gps coordinates in a variety of ways. I need to convert all of the below to: latitude - direction (N/s), degres, minutes, seconds; longitude (E/W) - degrees, minuts, seconds. Note, each user input will be in a single line. I would ...