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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votes
1answer
3k views

Seeking Android app to save offline map and POIs? [closed]

I don't know much about GIS and would like to find an application for travelling with the following features: support Points of Interests (sights, restaurants, etc.); Clicking on any POI should ...
0
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3answers
644 views

Seeking tools to write smartphone application for bus map? [closed]

I noticed that few cities provide a bus map for smartphones. As a result, tourists usually resort to just taking the subway instead because it's easy to figure out, although riding a bus is a better ...
0
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1answer
709 views

Android call WFS GetFeature Service returns empty

I am trying to call a WFS GetFeature service to "implement" onClick get feature attribute popup (info window) but I am getting empty JSON. Here is WFS link that I am calling: http://geo-polis.gistemp....
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0answers
2k views

Explaining ${z}/${x}/${y}.png for offline map?

Im trying to build map with OMS under Linux (Ubuntu) to made an offline apps. Im working with Ionic and building just for Android for write now. I have the base code: var map; function init(...
1
vote
2answers
359 views

Choosing GPS app to use for mapping bus routes? [closed]

I am looking for a GPS app for android to capture waypoints and lines. I'm going to map the route buses and the stop points. Which GPS app is recommended for marking “points” and marking the “lines”?...
2
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1answer
497 views

Can I avoid the offline tile cache limit (i.e., 6k) by self-hosting a Mapbox vector tiles?

BACKGROUND I'm developing an off-line native Android mapping app. All map tiles (prefer vector, raster as fall back) must be cached locally on the device. Then the map will be overlaid with points of ...
7
votes
2answers
8k 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 ...
0
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1answer
440 views

Using getmapasync() function instead of getmap() function in Android to plot GeoJSON file?

This is the code that I have used to plot GeoJSON file in Google Maps in Android: mMap = googleMap; SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager() ...
1
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0answers
64 views

Memory efficient shortest path algorithm for offline Android app [closed]

Finding the shortest path in a road network requires the road network to be loaded up in memory. Using Dijkstra's algorithm, for example, it searches through all the immediate road coordinates and ...
1
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2answers
13k views

Exporting directions from Google to KML?

I used Google to draw directions from one location to another location, but can't find a way to export it as KML so I can import it into my Android smartphone. Is there a way, or must directions be ...
1
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0answers
23 views

Memory management in offline routing with n waypoints?

I am trying to build an offline routing system with a map database on a portable Android device. Since I am still doing some research, I am stuck on what I think is a fundamental problem. To find the ...
1
vote
1answer
87 views

Determine when an object nears a point

Context: When an Uber vehicle is very close to the destination, there is an alert on the driver app that indicates that the destination has arrived. This determination is quite accurate. Two ...
0
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1answer
110 views

Easytouse Android app to visualise offline maps [closed]

I need to propose an application android, ultrasimple of use which proposes to visualize various layers offline (french Scan25, Orthophoto). The idea would be to create mbtiles (with QGIS, Mobac, ...
1
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0answers
86 views

Using QField in an Android emulator for Windows 10

I would like to use the QField application in a free and user-friendly Android emulator for Windows 10. May you recommand one ?
0
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0answers
199 views

Start a tile server on Android app

We want to have a offline Leaflet map on mobile. For this we want to use some kind of Android app which will serve as a tile provider when offline. The Leaflet will refer to this Android app as tile ...
1
vote
1answer
45 views

ShapefileFeatureTable cannot be converted to FeatureTable with Android?

I'm creating an Android application to display shapefiles. I'm using this code that I found on the Internet: try { ShapefileFeatureTable shapefileFeatureTable = new ShapefileFeatureTable("...
3
votes
1answer
870 views

How can I read Digital Elevation Model?

I downloaded a Digital Elevation Model of Mexico from here, and when I extracted the .rar, I got these files: Republica30_R60m.bil, Republica30_R60m.hdr, Republica30_R60m.prj and Republica30_R60m.stx. ...
1
vote
0answers
923 views

Weird polyline mapbox when drawing on android from pgRouting

I am creating android apps which can show the route that generated from pgRouting, and return geojson file. I already can draw the polyline on the web with mapbox-gl js with this code: var geojson = ...
1
vote
0answers
228 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 ...
1
vote
0answers
370 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 ...
1
vote
0answers
367 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, ...
1
vote
0answers
401 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 ...
0
votes
1answer
109 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 ...
1
vote
1answer
769 views

Display local tiles with OpenLayers that are generated by MapTiler from a (.tif) georeferenced image

I'm working on a mobile app and trying to use my locally stored tiles that I generate using MapTiler software. after tiling my image.tif I have many folders of png images and two other files: ...
0
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0answers
125 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 ...
0
votes
0answers
296 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: [?...
1
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0answers
27 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 ...
0
votes
1answer
48 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 ...
64
votes
5answers
100k views

Seeking Mobile GIS applications for Android Tablets? [duplicate]

I know that ArcGIS is available for Android, but does anyone know of any other GIS apps that are available for Android tablets?
1
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2answers
2k views

How to use WMTS url service in my android map application as basemap?

I am building a android map application and i want to use as basemap some wmts url services of our country. How can i implement this and get layers from WMTS url services as TileOverlay to google map ...
2
votes
2answers
5k views

Can Google Maps Android API display WMS layer?

I am currently making an app for my final career project, and I am trying to combine the layer of Google Maps and WMS layer that displays a map from a WMS server, helping me with ArcGis SDK for ...
0
votes
1answer
178 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
votes
1answer
330 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
190 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 ...
0
votes
1answer
95 views

Estimating surveying territory?

I am helping set up a project to gather survey data from small retail outlets in an emerging market using Open Data Kit. Is there any established methodology to estimate how much territory a ...
11
votes
5answers
4k views

Developing GIS Application on Android

Is there any Open Source GIS Software for Android in which we can perform Various Geoprocessing Operations (like Buffering,union and intersection) and that should be customizable eg: what we do in ...
1
vote
1answer
180 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/...
1
vote
1answer
369 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 ...
1
vote
2answers
11k views

Working with GeoServer and OpenLayers in Android?

I have an application using GeoServer and OpenLayers web platform, but must use the Android OpenLayers offline. My doubt is the following, I can install GeoServer on Android? to work with OpenLayers ...
1
vote
1answer
637 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 ...
1
vote
0answers
113 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 ...
6
votes
3answers
3k 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
votes
1answer
776 views

Are there any AppStudio for ArcGIS tutorials?

Any other documentation available regarding a detailed tutorial on how to use the new beta 2 app studio. I have trolled the Internet and found the minimal information docs on esri regarding the app ...
1
vote
1answer
1k 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 ...
1
vote
0answers
73 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?
1
vote
3answers
17k views

Google maps marker is not getting displayed

I am trying to learn google map API. I see a map but I am unable to get a marker. Here is my code Activity public class HomeActivity extends Activity { @Override protected void onCreate(...
0
votes
1answer
182 views

Selecting correct ArcGisFeatureLayer to query onSingleTap event?

My problem: I'm working on a Android (ArcGis) Attribute Editor following the sample code from their tutorials. The problem occurs when I have more than 1 ArcGisDynamicLayer and, more important, more ...
1
vote
0answers
201 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 ...
1
vote
1answer
1k views

How to return coordinates of my location using LocationDisplayManager (ESRI API)?

I'm trying to create an application which works with lat and long of a device position. I'm using LocationDisplayManager class to find and to map a location. MapView mMapView = null; public void ...
0
votes
1answer
112 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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