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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283 views

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

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”?...
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12 views

Retrieving which Polygon contains a point

I am using the ArcGIS Online and have a layer within a map. Within the layer I have several polygons. When I load the map via the com.esri.arcgisruntime library, I was able to load the polygons as ...
2
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1answer
329 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 ...
6
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2answers
5k 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
36 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() ...
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0answers
24 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
11k 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 ...
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0answers
18 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 ...
0
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1answer
172 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 ...
2
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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 ...
0
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1answer
60 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
75 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 ...
3
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1answer
53 views

Combining GPS and WiFi geolocation

I see that Google combines GPS with WiFi geolocation results to increase location accuracy. Does anyone know how it's done? How is WiFi information useful when it can have 10m+ accuracy? Is it only ...
2
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1answer
81 views

Run GDAL on android and perform operations

Could one run gdal on android devices to perform some GIS operation, like viewshed, contours, etc?
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1answer
29 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, ...
0
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1answer
81 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
31 views

QField does not show Bluestacks-Windows shared folder

I'm trying to use QField in the Android emulator Bluestacks for Windows 10. When I try to open a project, indeed I can access the natives samples projects because they are stored on another directory, ...
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0answers
21 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 ?
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0answers
30 views

Creating and saving OpenStreetMap locations within GeoJSON file?

I am not experienced in working with OpenStreetMap, but I am wanting to collect points. All points that the user collects will be saved inside a GeoJSON file, however whenever I use this, the file is ...
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0answers
62 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 ...
0
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2answers
446 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 ...
1
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1answer
39 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("...
0
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1answer
899 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%...
3
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2answers
578 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
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0answers
746 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 = ...
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0answers
19 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 ...
1
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0answers
74 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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0answers
20 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
82 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
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0answers
105 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
106 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
13 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://...
0
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1answer
80 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
513 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: ...
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0answers
48 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
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0answers
91 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
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 ...
0
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1answer
40 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 ...
6
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2answers
26k views

Looking for an android solution for offline kml/kmz file viewer with gps support

I have some KMZ files of cadastral maps. I need to fiscally go to the boundaries of my lands (parcels) and take a look at where they are with the gps and maps support. Some of these places are not ...
0
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0answers
121 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 ...
0
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0answers
25 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 ...
0
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0answers
49 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 ...
64
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5answers
99k 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?
0
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2answers
1k 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
3k 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
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0answers
167 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 ...
0
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0answers
34 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
votes
1answer
56 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
269 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 ...
9
votes
5answers
17k views

How to capture accurate GPS points using mobile devices?

I'm currently working in Vietnam as a climbing guide, but am putting my GIS skills to use by doing a side project for the company involving the mapping of climbing routes. Along with another employee ...