GPSStatus (Function)

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Special cases
Operating mode in iPhone/iPad
Required permissions
Required application feature

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GPSStatus (Function)

In french: GPSEtat

Retrieves the activation status of the geolocation provider or asks to be notified when the status changes.

Versions 17 and later

This function is now available for the Windows Phone applications.

This function is now available for the iPhone/iPad applications.

New in version 17

This function is now available for the Windows Phone applications.

This function is now available for the iPhone/iPad applications.

This function is now available for the Windows Phone applications.

This function is now available for the iPhone/iPad applications.

Versions 18 and later

This function is now available in Android Widget mode.

New in version 18

This function is now available in Android Widget mode.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Example

// Checks the status of the GPS provider
IF GPSStatus() = gpsDisabled THEN
Info("Geolocation is not enabled.")
END

// Branches a notification procedure if the status of the GPS is modified
GPSStatus(ProcGPSStatus)

// Procedure called whenever the status of the GPS is modified
PROCEDURE ProcGPSStatus(GPS_Status is int)

IF GPS_Status = gpsUnavailable THEN
Info("Geolocation not available.")
END

Syntax

Retrieving the activation status of the provider Hide the details

<Result> = GPSStatus()

<Result>: Integer constant

Activation status of the localization provider. The following values can be returned:
gpsEnabled The provider is enabled.
gpsDisabled The provider is disabled.
gpsError Error while retrieving the activation status of the provider. Use ErrorInfo to find out the error details.
This constant is not available.

Asking to be notified when the activation status changes Hide the details

GPSStatus(<Procedure name>)

<Procedure name>: Character string (with or without quotes)

WLanguage procedure ("callback" procedure) called for each notification.
This procedure has the following format:

PROCEDURE <Procedure name>(<Status>)

<Status> is an integer constant corresponding to the new status of the provider.
It can take the following values:
gpsEnabled The provider was enabled by the user.
gpsDisabled The provider was disabled by the user.
gpsAvailable The provider is available.
gpsOffService The provider is off service.
gpsUnavailable The provider is temporarily unavailable.

Remarks

Special cases

We advise you to initialize the parameters of the localization provider with GPSInitParameter before retrieving the status of this provider.
To stop receiving the notifications when the status changes, call GPSStatus while passing an empty string ("") in parameter or use GPSEnd.

Versions 17 and later

Operating mode in iPhone/iPad

During the first startup of a GPS function, the system asks the user for the authorization to perform a geo-localization. If the user refuses, all the GPS functions used in the rest of the application will fail (fatal error).

To re-allow the use of GPS for this application, the system configuration of the application must be modified.

New in version 17

Operating mode in iPhone/iPad

To re-allow the use of GPS for this application, the system configuration of the application must be modified.

Operating mode in iPhone/iPad

To re-allow the use of GPS for this application, the system configuration of the application must be modified.

Required permissions

The call to this function modifies the permissions required by the application.
Required permission: ACCESS_FINE_LOCATION.

Versions 21 and later

Required application feature

The use of this function triggers the declaration of an application feature in the wizard for generating the application.

Required feature: Geolocation

This feature allows the applications to access the geolocation features found on the device or on the computer.

New in version 21

Required application feature

The use of this function triggers the declaration of an application feature in the wizard for generating the application.

Required feature: Geolocation

This feature allows the applications to access the geolocation features found on the device or on the computer.

Required application feature

The use of this function triggers the declaration of an application feature in the wizard for generating the application.

Required feature: Geolocation

This feature allows the applications to access the geolocation features found on the device or on the computer.

Related Examples:

Android (WINDEV Mobile): Android GPS

[ + ] This example presents the use of the GPS functions of WLanguage in an Android application.
It is used to retrieve at regular interval:
- The latitude
- The longitude
- The altitude
- The speed
- The direction

Component : wd250java.dll

See also

Minimum version required

Version 15

This page is also available for…

Comments

EXAMPLE: GPS status and on / off GPS via Java

FONTE:

http://forum.pcsoft.fr/fr-FR/pcsoft.br.windev/9-windev-mobile-verifica-gps-ligado-posicao/read.awp

---x---

Example 01:
#####################################################

Procedure GPS_VerificaStatus()

Retorno is string = ""

GloLatitude , GloLongitude is real = 0

GPSInitParameter(gpsSatellite,gpsPrecisionHigh)

// Recuperação da posição
Retorno is geoPosition = GPSGetPosition() // 2000 = Intervalo máxo,p de 20 segundos

GloLatitude = NumToString(Retorno..Latitude,"+-10.6f")
GloLongitude = NumToString(Retorno..Longitude,"+-10.6f")

Retorno = GloLatitude +"; "+ GloLongitude

IF GloLatitude = 0 AND GloLongitude = 0 OR GloLatitude = null AND GloLongitude = null
ToastDisplay("GPS Desligado!!!")
END

RESULT(Retorno )

---x---

Example 02:
#####################################################

//Java GPS_On

import android.app.Activity;
import java.lang.*;
import android.util.*;
import java.lang.Exception;
import android.util.Log;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;

PUBLIC static void GPS_On()
{
Intent intent = new Intent("android.location.GPS_ENABLED_CHANGE");
intent.putExtra("enabled", True);
getActiviteEnCours().sendBroadcast(intent);
}

---x---

//Java GPS_Off

import android.app.Activity;
import java.lang.*;
import android.util.*;
import java.lang.Exception;
import android.util.Log;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;

PUBLIC static void GPS_Off()
{
Intent intent = new Intent("android.location.GPS_ENABLED_CHANGE");
intent.putExtra("enabled", False);
getActiviteEnCours().sendBroadcast(intent);
}

---x---

OBS.:
You must enable these options in the Android Manifest XML Windev Mobile

A) Android.Permission.WRITE_SECURE_SETTINGS

B) Android.Permission.WRITE_SETTINGS

---x---

Example 03
#####################################################
Another way to test whether this off GPS:

// GLOBAL
GloGpsAtivado is boolean = False

//Open Window
Procedure GPS_Inicializar()

GPSInitParameter(gpsSatellite,gpsPrecisionHigh +gpsSpeed)

IF GPSStatus() <> gpsEnabled THEN

Popup("Para melhorar a precisão da sua localização, ative o seu GPS","L")

gloStatusGps = False

ELSE
ChangeGPSStatus(GPSStatus())
END

GPSStatus(ChangeGPSStatus)

---x---

//Procedure Global

Procedure ChangeGPSStatus(nStatus)
IF gnCurrentStatus = nStatus THEN
RETURN
END

gnCurrentStatus = nStatus

IF nStatus = gpsEnabled OR nStatus = gpsAvailable THEN

GPSFollowMovement(GetPosition,300)

END

SWITCH nStatus
CASE gpsEnabled
GloGpsAtivado = True // <------------- Ligado
CASE gpsDisabled
GloGpsAtivado = False // <------------- Desligado
gloStatusGps = False
CASE gpsOffService
CASE gpsUnavailable
CASE gpsAvailable
END

adrianoboller

14 Feb. 2015

Last update: 03/30/2020

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