gps

  1. E

    Android Code Snippet DIY NTP Network Atomic Clock Time

    I just ported some NTP stuff from an old program. Querying an NTP server is surprisingly easy: just send it a 48 byte UDP packet with the first byte = 27 and the rest of them 0. The NTP server should return your 48 byte packet updated with the last 16 bytes set to two 64-bit timestamps, being...
  2. L

    B4J Question GPS access from B4J

    Trying to create an application in B4J that needs to use GPS location speed etc. What library does B4J need to use for this to work. I also cant seem to find any examples in B4J only B4A example seem to exist. Does anyone have any examples of code for GPS access under B4J. Many Thanks in advance
  3. carlos7000

    Android Question Help Needed to Create a GPS Fake Program in B4A [Solved]

    Hello community, I hope you are all doing well. I would like to request your assistance in creating a simple program in Basic4Android (B4A) that allows me to simulate a fake GPS location on my Android device. The reason behind this request is that I'm working on a development project and need...
  4. carlos7000

    Android Question Opinions about the 'On' button in an app that controls GPS

    Hello, everyone! I am developing a mobile application that includes a Toggle button to activate and deactivate the GPS. The button is labeled as 'GPS'. I would like to hear your opinions and perceptions about the design of the 'GPS' button. The question is: What do you initially think when...
  5. carlos7000

    Android Question Developing a Navigation System for a Complex Facility

    I have been asked to create an application to solve the following problem. Many patients and new staff members miss appointments and exams due to the complexity of a clinic. Although there is staff and signs that indicate the way to different departments, it is not possible to have a guide at...
  6. carlos7000

    Spanish FusedLocationProvider vs LocationManager vs...

    ¡Hola a todos! He estado revisando varios posts sobre diferentes bibliotecas en B4A que permiten obtener la posición del usuario utilizando el GPS integrado en el móvil. Cada una de estas bibliotecas tiene sus propias ventajas y desventajas. Sin embargo, la mayoría de los posts que he...
  7. Lakhtin_V

    Android Question Viewing a single map from a OSM file, without downloading tiles

    In all examples by OSM, map is built from tiles, with access to the INTERNET. In my application, all work takes place on a predetermined section of the map. I want the application to work offline. I don't want to download tiles from the OCM server. I already have one file with the OCM extension...
  8. Luciano Veneziano

    Italian GPS e mappa geografica.

    Bongiorno a tutti. Il comune dove vivo sta cambiando il gestore dei trasporti pubblici. Vorrei creare un'app che elargirei gratuitamente, che permetta, dalla posizione corrente e sapendo i dati GPS dell'autobus il tempo approssimativo di arrivo (magari usando Google Maps). Grazie a tutti.
  9. carlos7000

    Spanish No se puede encontrar: slf4j-android-1.6.1-rc1.jar

    Hola a todos. Estaba actualizando una vieja aplicación y al compilarla me aparece este mensaje: Cual puede ser la causa? Encontré algo de información aquí: https://www.b4x.com/android/forum/threads/osmdroid-mapview-for-b4a-tutorial.16310/page-16 pero ninguno de los links funciona. Saludos.
  10. Justcooldev

    Android Example Very simple GPS Program

    Hi guys, how to use : 1. copy the starter into your project If Starter.GPS1.GPSEnabled = False Then ToastMessageShow("Please enable the GPS device.", True) StartActivity(Starter.GPS1.LocationSettingsIntent) 'Will open the relevant settings screen. Else...
  11. amorosik

    Android Question How to track device location without turning on gps

    If an app has to track the position, turning on the GPS involves a significant increase in battery consumption Even a simple walk in the mountains, if you want to trace the path, is impossible if the duration goes beyond a few hours Does it exist to create an app to track the position of the...
  12. Magma

    Share My Creation [B4X] ShareYourSpot (GPS, FLP, MQTT) 0$

    Hi there, another simple app for learning purposes created... ShareYourSpot it is working at B4J and B4A... At B4J i haven't any USB GPS to get location (not including code how will do that, maybe using jserial and reading nmea strings) - so location giving with mouse click at GoogleMaps... but...
  13. A

    iOS Question LocationChanged event is not raised

    Hi all I'm running a small (3 activties) test app on my iPhone 7 with iOS ver. 15.5 without SIM Card. The app created for a testing iLocation. I'm running my test in Release mode. If the Wi-Fi works I can successfully get Lat/Long. In Show sub I intialize LocManager On pg_Disapear event I...
  14. solfinker

    Android Question GPS Raw Data

    How can I read GPS raw data? I need GPS information in RINEX format, that is, measurements from several satellite constellations. Thank you.
  15. Pedro Caldeira

    Android Question Problems with Fused Location

    Hello All, I am having a strange problem with Fused Location. In my App, I have a service that every few seconds retrieves the coordinates from the fusedlocation Every once in a while, specially in one costumer, the coordinates seem to freeze and even if the user retrieves the coordinates in two...
  16. M

    Android Question Access_Mock_Location permission issues

    Any app that lists ACCESS_MOCK_LOCATION in it's permissions, will be listed in developer options as a Mock Location PROVIDER. It gets listed at app installation, done by the Android operating system. If the app does not provide software support for injecting mock locations into the android...
  17. rleiman

    Android Question [Solved] - BearingTo from GNSS returns negative results for locations West of my location.

    Greeting Everyone, I'm trying to use BearingTo from GNSS, but it returns negative results for locations West of my current location. These results also include locations such as Northwest and Southwest of my location. I'm probably not using BearingTo correctly. In that case, I was expecting it...
  18. rwblinn

    B4R Library rGPRMC

    rGPRMC is an open source B4R B4XLib for parsing the GPS NMEA RMC sentence message. Obtain Lat / Lon position, Direction Indicator, Speed, Course an Timestamp. Addition functions: calculate the distance between, the course to for two Lat / Lon positions or time difference. Attached rGPRMC.zip...
  19. amorosik

    Italian [B4A] Come capire il motivo per cui app viene stoppata?

    Dispongo di un app il cui obiettivo e' leggere la posizione via gps telefono ed inviarla periodicamente, ogni minuto, al sistema centrale, un pc che raccoglie i dati e li archivia L'app dovrebbe rimanere permanentemente in lavoro, h24 Su una decina di telefoni uguali, capita che un buon 50%...
  20. A

    Android Question FusedLocationProvider question

    Hi all. I have a question about FusedLocationProvider. I granted permission to use Location in my app, it works fine. Now I have a situation with one phone where GPS itself is turned off (the that under Connections settings). So my code tries to connect to FusedLocation Provider, connection is...
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