1. JonnyCav

    Android Question Performing mathematical functions between 2 maps of values

    Or am I barking up the wrong tree? (All sqlite) Here's the theory based on the fact I have one table (T1) that continually accrues data over time. Now, at a certain time(button call) TWO sqlite result sets are created I put the first set from T1 into a map, map1 I put the second result set into...
  2. L

    Android Question How to draw a Path with GoogleMaps Library?

    in this code i draw a simple line on the map, but i want draw a Path, how can i do? ' Aggiunta di un marker sulla mappa Dim lat As Double = DR_VISITE.GetString("Latitudine") Dim lng As Double = DR_VISITE.GetString("Longitudine") Dim RAGSOCCLI As String =...
  3. DactilPlus

    iOS Question Google map appears in gray

    I have two apps that use the google map, both were working fine until two weeks ago. now one shows the map in gray (app1) and the other (app2) continues to work correctly. both use the same apikey with no restrictions The app1 has been working perfectly two years The issue is that in the app...
  4. 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...
  5. Lakhtin_V

    Android Question Map display in OSIExplorer format

    what tools are there to display a map of the area in OZIexplorer format or in some other cartographic format. For me it is more convenient to store the map as a single file. Since the scale and location will always be the same. The main task is to display the map in OFF line mode. Hope to hear...
  6. Pedro Caldeira

    Android Question B4A 11.20 and GoogleMaps

    Hello All, and a Happy New Year for everyone. I have installed B4A v11.20 and it crashes my app, while attempting to open a map fragment. If I compile the exact same code with v11.00 it works flawlessly. Anyone with the same symptoms ?
  7. QtechLab

    iOS Question How to open Apple maps with address?

    Hello there, I read some posts here in B4X forums. I'm trying to open apple maps from my application, i tryed with this code, got solution from another post This code doesn't open anything If...
  8. Pedro Caldeira

    Android Question Google Maps is not installed or is disabled - android 11

    Hello All, I have an app that works with google maps, and all worked well until android 11 now when I click the Directions Icon, in the bottom right corner, instead of opening google maps and showing the directions I get the message "Google Maps is not installed or is disabled". I stumble across...
  9. P

    B4J Question Maps: Marker distance from a polygon

    Hello all, is there a way to find out if a circle ( a point with a radius ) overlaps with any of the polygons in a KMZ/KML file? many thanks.
  10. B

    Android Question How can I work with maps values?

    Hello everyone, firstly I have to tell you that I'm a beginner so please, be patient. Here is my problem, in my code, I have a map and I need to a sum with these values. Here is my code ListaArticulos.Initialize NewArt.Initialize NewArt.Put("nombre","Harina COLOLO 0000 1kg.")...
  11. M

    Bug? B4A 10.2 and Maps tutorial

    Hi to all, after updating B4A to 10.2., I have a problem with the Maps tutorial downloaded from here: On another PC I have B4A 10.0 and the example works fine. The same mistake happens with my app. The following error appears...
  12. amorosik

    B4J Question Marker moving on a map

    Car image moving on a map I'd like to get the effect visible in the video at the link given above The cars, or other image, moving over a map I don't know where to start Can you help me find the necessary documentation or a snippet of B4J code to develop, which will allow me to achieve the...
  13. M

    Android Question Compare MAP Contents

    Good morning How do I compare the content of two maps which will both contain an ID and a date. I wish to extract the ID and value if they differ. example: Map 1 - 501,2020-07-20 19:21:27.2498612, 536,2020-07-20 19:21:46.2499061, 8000,2020-07-22 20:48:29.7426884, 8001,2020-07-23 07:05:01.451...
  14. Martin Larsen

    Android Question Starting Google Maps from intent

    I am trying to start Maps from a webview via an intent like here It works in my emulator, but on my phone I get an exception: android.content.ActivityNotFoundException: Unable to find explicit activity class {android/}; have you declared this activity...
  15. 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...
  16. J

    OpenGL vector map library - running on Android, iOS

    I'm trying to develop a cross platform (ios/android) navigation app which requires maps, polylines, markers, (preferably , but not essentially offline routing), so far nothing is quite as flexible as I want it to be and obviously I need to stay away from google services. I've been playing with...
  17. A

    Android Question Live location of user

    Hello, I just discovered an option for anyone to share his live realtime location with google maps app Does anybody know if there is an option to get the user only to accept the location sharing(so the user don't...
  18. walterf25

    Share My Creation L.A. Metro

    My first official published B4i App in the apple Store has been approved, i'm very surprised it didn't take that long to get it approved, please check it out at the link below, This app only works for the Los Angeles Metro Buses, it gives people the ability to track their next Bus Arrival...
  19. Rob Bliss

    Android Question Google Maps Current Location Listener

    Is there a way to know when the current location button in a Google Map has been clicked. Id prefer not to override the existing functionality, ideally just add my own bits to it, but if I can only override then so be it. Cheers
  20. Alexander Stolte

    Android Question [B4X] Google Geocoding REST API Get only City Name [Solved]

    Hello, i have this code to get from the lat and lon the city name, streetadress etc. Sub PlaceToLatLon(lat As Float, lon As Float) As ResumableSub Dim j As HttpJob Dim city2 As String j.Initialize("", Me) j.Download2("", _...