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Questions tagged [android]

"Android is a software stack for mobile devices that includes an operating system, middleware, and key applications," Wikipedia.

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1answer
23 views

Difference between MapBox mbtiles and offline mbtiles for MapBox Android SDK

I know what have some difference between MapBox mbtiles and offline mbtiles for MapBox Android SDK. In offline mbtiles for SDK besides tiles contains: Style JSON. All fonts and icons associated ...
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0answers
11 views

Filtering Custom Mapbox style implemented in Android

I created Custom Mapbox styles by importing Tilesets containing custom point locations in it.I implemented the same style in my android app.I can access the data inside each points by using ...
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0answers
24 views

calculating HRMS using NMEA sentences including GPGGA , GPGSV, GLGSV, QZGSV,QZGSA, GPGSA?

I have NMEA sentences including GPGGA , GPGSV, GLGSV, QZGSV,QZGSA, GPGSA and GNGSA. my goal is to achieve HRMS accuracy meter. produced android devices for special intent gives GP/GN GST nmea message ...
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15 views

Bringing GeoServer data into Mapbox in Android

I have some point locations and polygons published in GeoServer. I am creating an Android Application to display those data using Mapbox. Is there a way I can do that? (I am completely new to this.)
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0answers
30 views

RTKGPS+ : Could we use the mobile device as a rover?

Using an Android (version 9) based smartphone, I installed RTKGPS+ ( https://github.com/eltorio/RtkGps ) from the play store. I wonder if it's possible to use the internal GPS chip of the smartphone ...
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0answers
30 views

.svg image is not loaded into webview in android

I'm using leaflet and trying to load .svg image on webview. `//Create the bounds and image to add. var imageUrl = mapData.plan.image; var imageBounds = [[mapData.plan.size_x, 0], [0, ...
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0answers
40 views

MapBox SDK load local MBTiles

does anyone know how I can load local MBTiles from the device storage using the MapBox SDK? The vector Tiles come from this Website: https://openmaptiles.com/downloads/planet/ The same page offers ...
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0answers
9 views

Android laggy map after adding vector objects

I'm using GLMap to render over 5000 vector objects in an Android Application. Here is the framework I'm using: https://getyourmap.com/ Currently, I have Shapefiles which I convert with https://...
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1answer
70 views

Running QField without a Google account [closed]

I'd like to give QField a try but I can not install it from Google Play Store. I do not want to create a Google account for privacy concerns. Is there a possibility to install QField without using ...
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0answers
13 views

Display shapefile on map and create shapefile from polygon coordinates [Android]

Im creating application where I use Google map and I need to display shapefiles on it. What are the solutions to display shapefiles over Google map? Another thing is that I am drawing polygons on map....
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28 views

Android Library to convert ESRI Shapefiles to GeoJSON

I'm building an Android App for display ESRI Shapefiles but unfortunately, there are only a few free SDKs which support Shapefiles. Most of them working with GeoJSON, so now I'm looking for an Android ...
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39 views

How to add my photo in KML with Android?

I have tried with overlay and Placemark, I store my photo and KML together in one KMZ but when I open with Google Earth, I only can see the text in the location, not the photo. Here is my code: [?...
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0answers
26 views

Auto delete 5th record while inserting 6th record of polygon to SpatiaLite table

I am having problem while inserting 6th record to SpatiaLite table it auto deletes 5th record, and after that it is ok. I am using SpatiaLite database to insert some polygon using Google Maps API in ...
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1answer
38 views

Seeking GIS Navigation App for High Accuracy Data? [closed]

Are there any mobile GIS applications that I can use to navigate to high accuracy data on android? I would like to load layers - a .shp or .kml and use the map to navigate to points. It needs to be ...
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0answers
70 views

Displaying real-time GeoJSON data in Android Google Maps

I'm building my first Android Google Maps app and I have some questions about how to add real time data. I want the marker of every point changed the color or the icon when the properties of the ...
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0answers
24 views

Installing QGIS Android Nightly?

I have a Samsung Galaxy Tab2 10.1 running Android 4.2.2. Device is GT P5110. Since 2013 I have, without any problem, been using QGIS. I installed from QGIS nightly at the time after finding the QGIS ...
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0answers
39 views

Using both Google Maps and Carto in Android App?

Can I use Google Maps as a background to an Android App and carto for the source of my data? I know is strange that I ask. But I think to use both solutions is better. Google Maps is a very good and ...
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0answers
99 views

Can I use SpatiaLite database using Room for Android?

I want to use the SpatiaLite database using Room library for my project. Is it possible to do? I have heard there is a custom open helper for the Room which might help to use the SpatiaLite db. But ...
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0answers
27 views

Imported .shp files will not load correctly in Android app MapIT

I am able to import .shp files created with ArcMap, but the features do not appear on my map. When I zoom to them I am taken to the North Pole. I assume this is a projection issue. MapIT has a much ...
0
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1answer
47 views

How can I make GeoServer's WMS layer .jar file in Android development Android studio

I'm new in Android development in geoserver's WMS map. Can I get .jar file of GeoServer's WMS layer? I couln't open it though I tried https://github.com/shalperin/android-wms.git
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1answer
97 views

Importing shapefile into Mapit

Unable to import an ESRI generated shapefile (just a simple polygon layer) into the Android app. MapIT does not recognize the file(s) in the upload screen, I can not select nor view it. I have ...
0
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1answer
48 views

Importing Several Latitude and longitude Points From a Smartphone App into a CSV File

I am using a GPS App on Android that export my location as a latitude and longitude values. For each location it exporting a separate data set: Latitude (LAT): 32.05796 N 32°3'28.6578" Longitude ...
3
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1answer
236 views

Why hybrid GIS application gets GPS position only from Google & not from the device

I have built a GIS application using Leaflet on the web, after I put this web application to run on Android as a hybrid GIS application I made the application work with offline basemap (offline usage ...
2
votes
1answer
52 views

Does longitude/latitude info come directly from GNSS chip on Android devices?

I'm trying to directly communicate with the GNSS chip on my device and I am not clear whether the RAW GNSS information is coming directly from the GNSS chip or not. I have used the application ...
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0answers
49 views

Bad projection from 4326 to 3857 Android

I have a point in Lat/Lon. I have checked in https://epsg.io/ thet the coords are ok, and are in the point I need it to be. My coords are 39.936421413580305,-0.11867087841782467. If you go to the ...
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1answer
74 views

Can Qfield be used with external GNSS service?

I'm currently testing an external GNSS service on my mobile device. It produces RTK corrected GNSS signal that is distributed over bluetooth as NMEA format. Is Qfield able to read an external GNSS ...
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0answers
80 views

Qfield crashes when adding a point for PostGIS layer

I'm working with Qfield and PostGIS layers. Before, we've had ready made PostGIS layers and we've just modified their attributes. Works just fine, despite occasional random crashes. But now that I ...
2
votes
1answer
60 views

Run GDAL on android and perform operations

Could one run gdal on android devices to perform some GIS operation, like viewshed, contours, etc?
1
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1answer
220 views

Openlayers 3. OnClick on touch device not triggering perfectly

I have the forEachFeatureAtPixel function and try to trigger an event on click on a point layer with a custom icon. However, the performance on touch devices is really bad. I need to click several ...
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0answers
28 views

Problem with overlapping transparency

I am making an Android app that has bathymetric lake data on a google map. I am new to GIS work. I get this info from the state of nebraska as an already formatted kml file. In the file they simply ...
1
vote
1answer
169 views

Google Maps Android SDK - Get features based on user location

I am using Google Maps Android Utility SDK, using GeoJSON features. I would like to, based on the user Location (which I already have) determine the features that contain this point. Does Google ...
4
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3answers
1k views

Render vector tiles to PNG on Android & iOS

I have an Android + iOS app using Google Maps SDKs to display a map, and I'm in the process of setting up an OSM tile server. I'm evaluating the possibility to use vector tiles instead of raster, but ...
2
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0answers
390 views

Data collector mobile app with mapping capabilities

At work we have a GIS solution platform with 50+ GB of data in a Postgres cluster. Almost all tables have spatial columns. We have several clients consuming this information for different needs. I'm ...
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2answers
373 views

Convert CSV GPS Logs to GPX on Android (GPSBabel on Android)

I bought a GPS Logger - a small device that will, while turned on, log the GPS Coordinates to a SD card every second. It has no display and no other UI than 3 buttons and a couple of LEDs. The Device ...
5
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2answers
4k views

GNSS raw measurements on Android: Does real time/post processing Differential techniques possible?

In the recent months we all saw kind of breakthrough in Android Smartphone GNSS receivers: GNSS raw measurements are now accessible, and this is significant since those are the most common form of ...
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0answers
48 views

load svg file in esri map in arcgis android sdk [closed]

How to load .svg file in Esri map android sdk version 10.2.9?
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1answer
679 views

Convert .osm/.pbf to .map for mapsforge

I have download latest version (0.46) of osmosis from https://wiki.openstreetmap.org/wiki/Osmosis#Downloading and mapsforge-map-writer-0.9.1.jar from http://search.maven.org/#search%7Cga%7C1%...
1
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1answer
155 views

Create a BalloonPopup with two buttons

I'm trying to create a BalloonPopup that has 2 different buttons or interactive elements, but I don't seem to manage a way to do this. The guide I'm following is here https://carto.com/developers/...
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0answers
66 views

Mbtiles not visible in geoodk app

I generated a mbtiles using wms process and wps process of geoserver. The mbtiles were generated successfully. I used coordinate system as 900913. Then I opened the geoodk android app and selected ...
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0answers
145 views

Calculate minimum Traveled distance from L Latlng in T time

I want some functionality in my Android/iOS application i.e. U user is travelling to L location, So when the U is 15 minute away from the L location he/she will get some Notification. What i tried so ...
0
votes
1answer
45 views

Customization of Line drawings in Carto Mobile

I've been following up the "Add a line" section in the tutorial of Getting started for the Carto Mobile SDK https://carto.com/docs/carto-engine/mobile-sdk/getting-started/#basic-map-features and so ...
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0answers
294 views

How can I build GDAL/ogr for Android which supports sqlite driver with Android Studio?

I'm working on an Android application with Android Studio. I want to use GDAL/ogr C++ library to convert two vector formats. Here, I want to convert Sqlite/Spatialite database to ESRI Shapefile. I ...
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0answers
58 views

Google Map cannot zoom less than 3 with custom tiles created with gdal

I have tiled a 2880 x 2880 image with gdal2tiles like this gdal2tiles.py -p raster -z 0-6 MyMap.png result It correctly create 6 folder with the tiles in them. My issue that I'm now trying to load ...
3
votes
2answers
806 views

How to calculate distance between two 3D points in kilometers using postgis

I get latitude, longitude and altitude using android.location.Location, after that I send this data on the server, and save it using: update users set location = ST_SetSRID(ST_MakePoint(-40, 40, 40), ...
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0answers
380 views

draw path on indoor map using geoJSON avoiding obstacles

I'm a CS student and right now I'm developing an android app that uses google maps API, the problem is the map I'm working on is indoor and I'm facing problems when I want to draw a path from user ...
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1answer
146 views

Adding missing locations on OpenStreetMap programmatically for Android application?

i am working on android application using osm. Many locations are not on osm that google map providing. But i need to show all missing locations on osm also. what can i do to solve this problem? Can ...
1
vote
1answer
2k views

Maximum GPS-based location Sampling rate of smartphones

I am working on Android application that needs to take GPS locations at the rate of 10Hz to 1Hz. I tried it by setting 100ms for time interval for requestLocationUpdates(_, 100, _, _) function. But ...
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0answers
158 views

How to attach POIs in wikitude with google map places [closed]

I want to create android application which uses AR and using camera it found the different stores around it and highlight it as display in this image. I am using wikitude sdk(javascript API) and ...
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0answers
602 views

Use downloaded global OSM data in Android offline app

I am about to develop my first Android app (so I am a newbie in mobile app development). For this I will need OSM data of the whole globe, but only data with tags highway, boundary, waterway and ...
1
vote
1answer
946 views

Adding new geoJSON polyline layer to mapbox styles using Android Studio

I am trying to add new geoJson polyline layer to mapbox in Android Studio. It works fine if I am adding it using the default style of mapbox, but if I set my own styles, the line is not drawn anymore ...