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
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 ...
1
vote
0answers
176 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 ...
0
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0answers
657 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
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
1answer
404 views

QGIS2web HTML file opens on desktop but not tablet

I am using QGIS and a plugin called QGIS2web to make HTML webpage type maps. The plugin seems to write all the necessary files and folders into a single directory and if I move it around my Desktop PC ...
2
votes
1answer
328 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 ...
1
vote
0answers
920 views

Want to access android location services in a leaflet.js project running in a webview

I am running leaflet.js project on my android app using a webview. Everything is great but for current user location leaflet uses GPS because it runs in a webview and as we know webview is extention ...
3
votes
2answers
396 views

Using Android phone as gps?

I need to do a field mapping and i already have the grid (points). I need to put this points in my phone and use my android device to find this points in the field. I won't have any internet ...
1
vote
1answer
46 views

android to qgis exchange data format

I need to create a qgis plugin to import dip and dip direction data from an android compass app into an (existing) bedding data layer. I need some suggestion about the best exchange file format; my ...
0
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0answers
95 views

Esri android Geopackage [on hold]

I'm using Spatialite Geopackage functions to convert SDE featureclass to Geopackage by iterating on a featurecurser.I'm doing it because we cant upgrade our ArcGIS platform version and we are working ...
0
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0answers
432 views

Mapbox Android SDK with Raster Tile Layer or mbTiles

Is it possible to add a raster TileLayer or mbTiles file as basemap of Android SDK? I do not want to use Mapbox Maps. I need to replace it with custom map with tile format or mbTiles. After Android ...
0
votes
1answer
137 views

Can I use avaraging to pinpoint the exact location of a stationary GPS device?

I have a simple Android app that keeps track of users' location, using the following setting of the LocationManager to avoid constant updates and thus battery drain minTime = 60sec (minimum time ...
0
votes
1answer
161 views

Dynamic indoor mapping in Native android

I'm about to work on a project, in which we have to create an indoor map to locate articles inside our store. I have created different layers in QGIS (store, showrooms, articles) shapefiles and ...
1
vote
4answers
450 views

Points shapefile from QGIS to Android?

I have a points shapefile in QGIS with 40 groups of 20 points each (total of 800 points). For each point I have stored many information. I need to check this information and add more moving on the ...
3
votes
1answer
223 views

OSM Perspective View for Android/iOS

I am recently working on a project where i want to show a skiarea in a perspective view, like you know it from maps of skiresorts where the ski lifts are displayed. Are there any libraries where i can ...
3
votes
1answer
3k views

Tile names & coordinates relationship

I'm aware that this site is intended for cartographers, geographers and GIS professionals. I must admit that I'm absolute beginner in the area of maps, but not in the area of programming (40+). I hope ...
2
votes
1answer
409 views

Create a runtime geodatabase in QGIS for an Android app

I need to generate a runtime geodatabase for map visualization on my android device. Back in the days we used ArcGIS with local file-geodatabases, where we were just able to export a runtime ...
-1
votes
1answer
183 views

Is GeoPDF suitable for mobile-navigation app?

I need to develop mobile app that display geo-referenced image. User should be able see own position on it and do simple navigation. Plus turn on/off vector layers. Now I am looking format/mobile ...
0
votes
1answer
806 views

Sending Trimble GeoXH GPS data to an Android Tablet using Bluetooth

Has anyone ever successfully connected a Trimble GeoXH to an android device and consumed the GPS data? I have tried both Bluetooth GPS and Bluetooth GPS Mouse apps with no such luck. They both connect ...
1
vote
0answers
746 views

How to properly store QGIS Qfield folders on an Android SD Card?

I am using QField on an Android 7 tablet with SD Card. It works very well when I store my QField folders in the onboard storage in tablet/Android/Data/ch.opengis.qfield/files but if I store it in ...
0
votes
1answer
304 views

QGIS Qfield visiblity of offline layers on Android 6.0 Samsung tablet Galaxy tab S2

I am running a brand new out of the box Samsung Galaxy Tab S2 with Android 6 and trying to get QGIS QField to operate correctly. So far I have created a QGIS project in QGIS desktop, packaged it with ...
2
votes
0answers
350 views

Getting Latitude and Longitude using GPS Averaging app on android phone?

I am trying to get latitude and longitude of radio stations across my country (Liberia) using an Android phone. I downloaded GPS Averaging but I keep getting an error which says: NO GPS SIGNAL How ...
1
vote
1answer
1k views

How to convert MapPoint to latitude/longitude in ArcGIS for Xamarine Android

How to convert MapPoint to latitude/longitude in ArcGIS for Xamarine Android? Below is my code. MapPoint pointGeometry = new MapPoint(e.Location.X, Location.Y,SpatialReferences.Wgs84);
4
votes
1answer
2k views

Leaflet export GeoJSON to file

I'm building a mobile application with PhoneGap for data collection. I'm able to place map-markers and edit their feature contents. All markers are stored in a L.layerGroup() called markerGroup; The ...
0
votes
1answer
2k views

ArcGIS Runtime SDK for Android how to get the lat and long of point

I am new in the field. I am trying to develop an android app which is able to perform some spacial operations like plot a poin, Dream a line, Polygon But my problem is how can i get the lat and ...
2
votes
1answer
186 views

ArcGIS Runtime SDK for Android map rotate across the north direction on click button

I am developing anAndrpoid app with ArcGIS Runtime SDK . I want to show set the map orientation always to north direction. I am trying to implemet this on onclick event of an image button. My try ...
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 = ...
1
vote
0answers
498 views

Osmdroid Cache manager doesn't work

I'm using osmdroid and osmdroid bonus back and i can't cache my tiles for offline use. I followed this url: https://github.com/osmdroid/osmdroid/wiki/Cache-Manager This is the code that i use to ...
0
votes
1answer
158 views

Missing zoom levels in MBTiles generated from GeoServer

I have added MBTiles plugin to my GeoServer in order to generate my maps in .mbtiles format, so I can read maps in offline mode. My problem is that, when I preview my maps in GeoServer, it includes ...
2
votes
0answers
127 views

Android application with multiple raster layers in offline mode [closed]

I would like to create an android application where we can view and control visibilities of various raster layers such as orthomosaic layer, DSM layer, contour map layer created from drone images of ...
1
vote
1answer
756 views

Update Leaflet circleMarker position with Android GPS

An Android code sends the latitude and longitude coords to a (html)Leaflet map (stored in Android Asset folder), which add a circleMarker to the actual poisiton. function updateLocation(lat,lng,time){...
0
votes
1answer
611 views

How Does the Trimble Catalyst Work [closed]

Does anyone have an idea as to how the Trimble Catalyst works? https://catalyst.trimble.com/index.html Where can we find specifications of the DA1 antenna? I don't understand how they have achieved ...
2
votes
0answers
1k views

Android WebView doesn't display OpenLayers 3 map

I'm trying to display an OpenLayers 3 map in an Android WebView. Only the zoom controls and the copyright hint are displayed, the map itself not. JavaScript is enabled for the WebView, right to access ...
1
vote
1answer
1k views

Can't Display KML file in Google earth

I am unable to display a kmz/kml file on Google Earth on Android. I got the file from here: ftp://ecco2.jpl.nasa.gov/data5/GoogleEarth/Ocean%20Currents.kmz I tried using KMZ to Earth Explorer. I've ...
4
votes
0answers
65 views

Qfield crashes when vector elements are touched

I have a problem with Qfield. I'm using qfield 0.8.8 on OS android 5.1.1 After having installed this Qfield version it does not run. When I touch a polygon or a line or a point it crashes; in ...
1
vote
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("...
5
votes
2answers
115 views

App to save GIS-friendly route [closed]

I have a 3G and location ready Android device. I am looking for an app which will allow me to save a route in KML or shapefile format. The reason I am OK with KML is that I know that this is ...
3
votes
2answers
2k views

Offline MBTiles map for Android [closed]

I would like to be able to open in MBTiles a map format for my android device. I know to open this file with ArcGIS Android SDK but does anybody know how to open this from open source library, such ...
2
votes
2answers
1k views

Load mbtiles by Mapbox iOS & Android SDK

Is it possible to read .mbtiles files through Mapbox iOS or Android SDK? I'm trying to download .mbtiles from osm2vectortiles.org and setting up a full offline application running offline maps.
-2
votes
2answers
40k views

How to open KML file in Google maps for android? [closed]

Does anybody know how to open the KML file in Google maps for android?
2
votes
0answers
395 views

How to add multiple stop points for routing using ArcGIS in Android

I have a project where in I have a source and a destination, but in between there can be any number of stop points. I need to display a route from source to destination covering all the stop points. ...
3
votes
2answers
577 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. ...
3
votes
1answer
398 views

Can the QField Android App integrate with Dropbox (in order to open & edit/view a desktop Project)?

I have a project that I work on in QGIS (desktop), for which my project file and shapefiles / layers are all saved in my 'Dropbox' folders. I would like to be able to open, view and preferably edit ...
0
votes
2answers
2k views

App for recording waypoints and photos for GIS on android

I'm looking to collect photos and notes during a field trip to add to (just for comparison) a landcover raster dataset I'm working with. Ideally I want to visit certain field sites, take photos with ...
1
vote
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 ...
1
vote
0answers
338 views

Example for Coordinate Transformation Suite (abridged CTS) Android [closed]

I want to transform my EPSG:25833 coordinates to google WGS84 at my android app. After long time searching i found the Coordinate Transformation Suite (abridged CTS) library. Has anybody a working ...
0
votes
1answer
6k views

Remove the last plotted line from Google Map _ Android?

I created a class that select latitudes and longitude from sqlite then mark on map then draw polyLine. Problem : Every time I select my records 100 to 100, when I saw first 100 then I clear map then ...
1
vote
2answers
7k 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 ...
0
votes
1answer
1k views

Finding out if I've deviated from given route too much (computing similarity between routes)

I'm making an Android app and I'm trying to find out whether I've deviated from the given route too much (I'm getting location via GPS and the route is predefined). I've tried calculating Fréchet ...
0
votes
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 ...