gps

问题 I have a UTC time (epoch Unix time) formatted as timestamp as below. 1496224620 (Human readable value: May 31, 2017 09:57:00) I need to convert the timestamp formatted as Unix time into GPS time format as below. 1180259838 (Human readable value: May 31, 2017 09:57:00) I need a python program (algorithm is fine for me) to convert timestamp formatted as Unix time to timestamp formatted as GPS time. There is one PHP program to do so. I can change from PHP code to Python code to have a Python

问题 I have written following code to get location name package demo.gps.locname; import java.io.IOException; import java.util.List; import java.util.Locale; //import com.VertexVerveInc.GPSLocator.R; //import com.VertexVerveInc.GPSLocator.GPSLocatorActivity.GPSLocationListener; //import com.VertexVerveInc.GPSLocator.GPSLocatorActivity.MapOverlay; import com.google.android.maps.GeoPoint; import com.google.android.maps.MapActivity; //import com.google.android.maps.Overlay; //import android.app

问题 I have written following code to get location name package demo.gps.locname; import java.io.IOException; import java.util.List; import java.util.Locale; //import com.VertexVerveInc.GPSLocator.R; //import com.VertexVerveInc.GPSLocator.GPSLocatorActivity.GPSLocationListener; //import com.VertexVerveInc.GPSLocator.GPSLocatorActivity.MapOverlay; import com.google.android.maps.GeoPoint; import com.google.android.maps.MapActivity; //import com.google.android.maps.Overlay; //import android.app

问题 I'm new in android. I'm currently working on an android project in witch I need to get user's current location using GPS. But my code is not working properly. java Code package com.example.checkinapp; import android.app.Activity; import android.content.Context; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.os.Bundle; import android.widget.TextView; public class MainActivity extends Activity { TextView

问题 i have a situation where i need to use GPS technique. i need to find the distance between two points when the person is walking. When the person starts walking he will click on Start button and when he stops he clicks on stop button after this it should show him 1.time taken 2.Distance travelled in Kms. 3.from where to where(places name) eg: a to b Do i need to have google maps for this? I saw the code here link to get the current location which gives me latitude longitude. please help how to

问题 I want to calculate the driving distance between two locations [the user's specified locations], before user starts the driving. I used many formulas and getDistanceFrom in CLLocation also, but I am not able to get the perfect the driving distance between those locations. There is much difference in actual and calculated distance. Please help me to calculate the driving distance between two locations. How can I use Google Maps API to calculate the driving distance ? I have already use the

问题 I want to calculate the driving distance between two locations [the user's specified locations], before user starts the driving. I used many formulas and getDistanceFrom in CLLocation also, but I am not able to get the perfect the driving distance between those locations. There is much difference in actual and calculated distance. Please help me to calculate the driving distance between two locations. How can I use Google Maps API to calculate the driving distance ? I have already use the

问题 I'm developing an web application (jsp/strtus2) which requires the GPS coordinates of a place. What I want to know is, whether there are any free web services that I can get GPS coordinates of a place by passing address or zip code to the server. Thanks in advance, Nuwan 回答1: Yahoo's Geocoder is easy to use. Basically change a few query strings and it outputs an easy to parse xml file. Google's had a few issues in our area with the coordinates being returned being incredibly inaccurate at

问题 I've got this code lm = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE); boolean isGPS = lm.isProviderEnabled (LocationManager.GPS_PROVIDER); and it always return false, even when GPS is enabled. GPS is working correctly but I'm using this boolean value to show pop-up "No GPS enabled". In this situation pop-up is showing up every time I checked similar questions but it doesn't help me. Yes, i have permission in my manifest I'm using this code in onResume method Thanks for

问题 I've got this code lm = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE); boolean isGPS = lm.isProviderEnabled (LocationManager.GPS_PROVIDER); and it always return false, even when GPS is enabled. GPS is working correctly but I'm using this boolean value to show pop-up "No GPS enabled". In this situation pop-up is showing up every time I checked similar questions but it doesn't help me. Yes, i have permission in my manifest I'm using this code in onResume method Thanks for