1. 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...
  2. 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.
  3. 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.")...
  4. 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...
  5. 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...
  6. 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...
  7. 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...
  8. 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...
  9. 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...
  10. 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...
  11. 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...
  12. 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
  13. 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("", _...
  14. Pete_S

    Android Question Save Map To KeyValueStore, Load Map From KeyValueStore

    I created this code. It works but I was wondering if there is an easier/optimized way to save a map to a KeyValueStore and retrieve it back from the KeyValueStore. Main: Sub Process_Globals End Sub Sub Globals End Sub Sub Activity_Create(FirstTime As Boolean) Dim map1 As Map...
  15. R

    iOS Question Google maps marker modification

    In B4A i was able to change a bitmap and add a number, before i used this bitmap for a marker. In B4I i tried this code: Dim Bitm As B4XBitmap = LoadBitmap(File.DirAssets,"Markerg.png") Cv.Initialize(Bitm) Cv.DrawCircle(25dip,39dip,14dip,Colors.DarkGray,True,0) Dim f As...
  16. juniorteacher

    Android Question Add Image in Infowindow Marker Maps from server

    only last image in my server,shown in all marker (should be different) i use imagedownloader Sub Globals 'These global variables will be redeclared each time the activity is created. 'These variables can only be accessed from this module. Private VP As AHViewPager Private...
  17. Alexander Stolte

    iOS Question Google Maps get current position per code

    Hey, I can not determine the current position. How does work in B4I? My current code: Private Sub AddMap gmap.Initialize("gmap", Main.API_KEY_2) pnl_gmap.AddView(gmap, 0, 0, 100%X, 100%y) 'gmap.MapType = gmap.MAP_TYPE_TERRAIN gmap.GetUiSettings.CompassEnabled = False...
  18. Sapta

    Android Question How to create a gmap polyline to smooth the line and how to implement StartForeground ?

    Hi all, I created a program to track when running. The obstacles I found, 1. How to write in the gmap so that it is smooth? because this time the result is like this (the lines are stiff, especially at the turn). I use this code, is there anything missing ? pl = GMap.AddPolyline...
  19. KMatle

    Android Tutorial [B4x]Data exchange (B4x, php, servers, .net and others)

    After some years I have developed several apps to communicate with other apps, servers and platforms. My goal was to have ONE standard solution without additional propriatary solutions which work only on platform a but not on b. So I've ended up with lists and maps converted from/to JSON...
  20. juniorteacher

    Android Question Add Marker Like Google My Maps

    how to add marker in map, like Google My Maps ? by moving the map and map marker stay in middle of the map.