gps

  1. M

    Android Question Error in this line: Starter.rp.CheckAndRequest(Starter.rp.PERMISSION_ACCESS_FINE_LOCATION)

    Hello, please apologize my english, i am doing an B4A app and i need to track use gps coordinates. I did it in the past without problem, but now i am getting an error exactly in this line: Starter.rp.CheckAndRequest(Starter.rp.PERMISSION_ACCESS_FINE_LOCATION) I added the standard starter...
  2. Marcos Alves

    iOS Question B4i Location Services

    Hello All, I'm using this sample code to implement location services in an app: https://www.b4x.com/android/forum/threads/location-gps.46148/#content I notice that, in the sample, when locManager.Initialize("LocManager") is called , Iphone automatically shows a message requesting...
  3. amorosik

    Italian [B4A] Programma di lettura dati gps che si blocca - perche' ?

    Dispongo di un programma che, usando come base la lettura gps indicata da Erel, registra la posizione ogni 60 secondi su file di log locale Dopo diverse ore di funzionamento corretto, e solo su alcuni telefoni, l'app improvvisamente si spegne Leggo su alcuni articoli che potrebbe essere...
  4. S

    B4A Class Open Street Map viewer - GPS

    Hi, This b4Xlib contains a custom view (cvMap) which can display Open Street Map. The tiles are retrieved from the internet and cached in a database. You can add shapes and images on the map. UI : - Lat/lng Center of the map - Zoom Level - Compass Direction with rotation - Scale - Button...
  5. M

    Android Question [SOLVED] I need a GIS developer!

    (sorry for my english, it's just google translate) Hi! I hope I am not breaking any forum rules with this post. I require a developer to make an app that allows drawing georeferenced polygons, that is, that the app shows a georeferenced photograph (the orthophotos already exist) and several...
  6. M

    Spanish [SOLUCIONADO] Requiero un desarrollador GIS!

    Hola! Espero no estar rompiendo alguna regla del foro con este post. Requiero un desarrollador que haga una app que permita dibujar polígonos georreferenciados, es decir, que la app muestre una fotografía georreferenciada (ya se tienen las ortofotos) y sobre ella se dibuje (punto a punto)...
  7. Magma

    Vehicle GPS Realtime Tracking/Monitoring - Big Project's source for sell

    Well... Hi to all... First of all - my english not so good.... Sometimes you want to share something for free - but sometimes feeling that job you ve made must be payed... I am not so good on marketing - but 6 months of work (real: may be 2 years at total)... not little... I am selling the...
  8. Biswajit

    B4A Class [B4X] GPSPolyMap - check if GPS location is inside a polygon

    With this class, you can check if the GPS location coordinate is inside a polygon. You can use this class to check whether the user is inside a building, shopping mall or any custom shape. This class is only for B4A and B4I. Here is how can you get the coordinates of an establishment (school...
  9. A

    Android Question Timer and GPS timer at the same time in service

    Hi. I'm trying to have two timers working at the same time (GPS timer and another timer). But after a while, only keep working the another timer, and the GPS timer is OFF. it may be because one timer cancels the other? I attach the log (GPS Recibido is when i reseive GPS_LocationChanged and...
  10. M

    iOS Question [SOLVED] GeoFence and closed app

    Hi everyone. I was wondering if it's possibile to set up a geofence that when you enter (or exit), triggers an event catchable with the app closed. (like Apple "Find My" app, that can send a notification to you when a friend leave/arrive a place). I'm not knowledge about this things , so I'm...
  11. Marcos Alves

    Android Question GPS and WebView

    Hello all, I'm trying to use a webview that access a site which requires the location, but besides I requested and allowed PERMISSION_ACCESS_FINE_LOCATION in the app I'm still getting the message about gps authorization required inside the webview - there is no any pop up to request that...
  12. M

    iOS Question Gps is not very accurate

    Hi, I’m using the library iLocation, with the various PlisExtra from Erel’s tutorial about background tracking. The problem is that it isn’t very accurate. There is something like “Fine location/Coarse Location” of b4a? Or a parameter to set it to be more precise ? Thanks !
  13. rleiman

    Android Question [SOLVED] - GNSS - Keeping the GPS on when exiting my app

    Greetings, I'm using the GNSS library and would like to know how to prevent it from turning off the GPS when exiting my app or pressing the phone home button. We need to make sure the GPS stays on even if the app is not showing on the screen. All of the GPS coding is in the Starter module...
  14. M

    iOS Question Ask for enable gps / localization

    Hi, i took a look to this example. In case the user manually disable the location option, how can I show again the msgbox to ask to enable it by code? Maybe to put in the "LocManager_AuthorizationStatusChanged" event
  15. I

    Android Question Background location tracking without persistent notification?

    As of Android 8.0 you need to start a service in foreground mode to prevent the system from killing it. This results in a persistent notification. I went through the background location tracking tutorial here. https://www.b4x.com/android/forum/threads/background-location-tracking.99873/ I can...
  16. M

    Android Question Continous background GPS tracking

    Hi everyone, i'm coding an app for quite a whille (before the update), and i quitted beacuse the SO kill my foreground process while the app is in background, so after an random period of time it stop working. I wish to know if there is a way with the new update to prevent the OS to kill my...
  17. gainax00

    Spanish GPS coordenadas

    Hola a todos, tengo el mismo problema, ya logre quitar el formato -98:276,5149 -26:03,43574 y dejarlo limpio mi problema surge que cuando tengo 2 o 3 numeros despues del "-" 98 -> -198 ó menos caracteres, cómo 276,519 pierdo las coordenadas reales, podrian ayudarme o facilitarme el codigo de...
  18. A

    Share My Creation Gps based Sports Tracker App

    This is my Gps sports tracking App. I started this project 10 months ago without previous android programming experience. I started the project with B4a 8.3 then I moved to B4a 9.3. With the great help of this forum, I can now say that the first version is finished. Further improvements of the...
  19. gainax00

    Spanish funcion||arreglo||procedemiento, que no cierre

    Hola comunidad!!! la pregunta es la siguiente, cómo hacer que un(a) funcion||arreglo||procedemiento siga funcionado aun cuando el usuario allá puesto(no cerrado) la aplicación en segundo plano ejemplo señal GPS se manda cada 5min a un text1 obvio cada 5min cambia la señal o posición, pero si el...
  20. Fusseldieb

    Android Question Mock Location doesn't accept Lat/Lon

    Hi everyone, I've tried to use the mock-locationprovider-lib and successfully simulated a location with it (after setting the target API down to 16 because of a deprecated library function which doesn't set a specific value that's required on newer API's, but anyways), but I'm struggling to set...
Top