Questions tagged [android]
"Android is a software stack for mobile devices that includes an operating system, middleware, and key applications," Wikipedia.
105
questions with no upvoted or accepted answers
7
votes
0
answers
989
views
OSMDroid android app zoom in without changing tiles, is it possible?
I am developing an android mobile mapping app using OSMDroid 4.3. I have established a basemap using arcgisonline as my tile server.
String[] urlArray = {"http://server.arcgisonline.com/ArcGIS/rest/...
- 487
5
votes
0
answers
501
views
Run GDAL on android and perform operations
Could one run gdal on android devices to perform some GIS operation, like viewshed, contours, etc?
- 343
5
votes
0
answers
96
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 ...
- 51
4
votes
0
answers
939
views
Android Apps to edit WFS-T
Are there any mobile Android Apps where you can edit the Features served via a WFS-T?
- 120
3
votes
0
answers
323
views
Calculate meter offset around decimal degree position
I have a position given in decimal degrees (x.xxxxxxxx and y.yyyyyyyy). I need to draw a rectangle around it. The center of the rectangle matches the position. The dimensions of the rectangle is given ...
- 131
3
votes
0
answers
13k
views
Can I use google maps navigation within my app
I am considering building an app which includes google maps. The app functions by tracking the GPS location of the vehicle and showing it to the respective user on the Android app with some additional ...
- 31
3
votes
0
answers
3k
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(...
3
votes
0
answers
331
views
QGIS - Android, loading a .tif file
I have a .tif file I would like to use as my base map on the Android version of QGIS. However, when I try and load it as a raster layer, it states that this is not a correct raster source. Is there a ...
- 31
3
votes
1
answer
1k
views
Looking for RMaps SQLite format details
Locus Maps and Rmaps Android maps support an offline sqlite Format called Rmaps. I am trying to find the format details and how its organized. I couldn't, is there any dependable documentation online?
- 131
2
votes
0
answers
2k
views
Can I use Geotools in Android Studio?
I want to use Geotools in Android Studio but get this error:
Could not resolve org.geotools
This is part of build.gradle
allprojects {
repositories {
maven { url "http://repo.boundlessgeo.com/...
- 185
2
votes
0
answers
217
views
QField hyperlinks in Android
I am using QField for some mobile GIS on Android and would like to have a hyperlink in the attribute table that opens a file stored locally. If not in QField directly then in excel would work. None of ...
- 1,433
2
votes
2
answers
1k
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 ...
2
votes
0
answers
579
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 ...
- 149
2
votes
0
answers
176
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 ...
- 121
2
votes
0
answers
385
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 ...
- 21
2
votes
0
answers
2k
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 ...
- 21
2
votes
0
answers
460
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.
...
- 121
2
votes
0
answers
181
views
Graphhopper No-go areas routing
I am creating a simple offline navigation app in android. I have camera information(coordinates and range) and i would like to navigate the routes to avoid being caught on cameras. I have seen great ...
- 121
2
votes
0
answers
43
views
Accessing Layers Through an API?
So, I have reason to believe that this information is not available. Nonetheless, it involves using Android, and preferably the Google Maps API (though other maps may have APIs which supply this data, ...
- 121
2
votes
0
answers
970
views
how to transfer GPS device coordinates into mobile android app?
i'm trying to make an android app that collects data field in high accuracy, since the phone native GNSS doesn't provide highly accurate coordinates, i want to use Coordinates provided by a real GNSS ...
- 35
2
votes
0
answers
227
views
Google Maps Licensing
Sorry if this isn't the right place to ask this, I've tried looking around for support forums and have found none.
I had a question regarding the ToS of Google Maps/Earth, it can be found here: https:...
- 21
2
votes
0
answers
482
views
KMZ from QGIS won't display in Android Google Earth - raster images?
Trying to get a KMZ working in the Google Earth Android app... works fine on Google Earth desktop... I think maybe it's because it has images in it?
Any ideas?
Error I get is:
Error: 1 Parse ...
- 194
2
votes
0
answers
377
views
IS it possible to use geoserver WFS-T services with ArcGIS android SDK?
I have to use ARCGIS SDK in my project and I should edit some layers. In fact there is a sample which I can learn how ArcGIS API for android works.In it we the editable layers are from a service like ...
- 625
2
votes
0
answers
41
views
Is there a way to make the controls on QGIS android larger?
Is there a way to make the controls on QGIS android larger? e.g. When typing text into a field in the table view it is currently very small.
I also have a issue/bug where the panels (layers, gps ...
- 51
2
votes
0
answers
2k
views
localization by trilateration ( weighted nonlinear least squares )
I am writing an app for beacon localization and I am looking for a formula which,
given beacons of known positions and distance from target, finds the target position.
eg.
given beacon1 located at (...
- 21
2
votes
0
answers
558
views
GIS SDK for Android
Im looking a gis sdk for android with these abilities:
open source or free to use (consider it if you know one)
can read and write shape files
can use scalable vector graphics (svg) (optional)
can ...
- 21
2
votes
0
answers
4k
views
How to overlay a flat image onto google maps with two points of reference?
The Android API allows for images to be superimposed onto a map. To do so, the developer specifies a set of lat/long coordinates for an "anchor point" within the image, the width (or height) of the ...
- 21
2
votes
0
answers
569
views
Looking for a good solution to have GPS position on KMZ files on Android platform
I'm looking for the best solution / app on the android platform to show my GPS position over a KMZ file, possibly offline.
Here is what I've tried to do:
Google Earth Android app
I downloaded KMLZ ...
- 486
2
votes
0
answers
395
views
QGIS on Android: Access files on Google Drive
I have a set of shape files that I keep updated on Google Drive. I have just installed QGIS on an Android tablet but I can not figure out how to get access to the google drive from the file menu.
...
- 2,994
2
votes
0
answers
893
views
Openlayers2 and Google Maps Api aren't working on Android Platform
I have application that uses OpenLayers, Google Maps API and GeoServer
My application is running at Web browser and when I try to run at Android tablet (using Phonegap), It runs but OpenLayers ...
- 537
2
votes
0
answers
207
views
Developing Carto Mobile App
I have the project to develop a mobile application (Android) being able to get offline maps, go on the field, collect datas about the area we're at and then synchronize it with our data server when we'...
- 33
2
votes
0
answers
973
views
popular solution for display both tiles and vector data in android map app
We are planning to build a location based app like google map in android.
We have some experiences in the PC development,that's to say we have a similar javascript api like google map javascript api, ...
- 953
2
votes
0
answers
211
views
QGIS on android4 with bluetooth GPS
I'm trying to set up a moving map on my tablet (asus, Android 4).
I've installed QGIS (latest version), which works. I've got a blue tooth external GPS, which I've paired to the tablet. However, I ...
- 21
2
votes
1
answer
2k
views
Displaying map from GeoServer on mobile device
I am attempting to display a map from geoserver on mobile device, for example an Android Smartphone.
I have already set my map to GeoServer via localhost, but I really don't know how to call the map ...
- 29
2
votes
0
answers
958
views
How to draw an overlay using KML on our own app in Android?
Repost from here
I want to draw an overlay using KML files, just look like below but on my own app in MapActivity.
31.kml, display district in Jakarta, Indonesia
or the example that I get from ...
- 105
1
vote
0
answers
153
views
Derive a center point and radius from a set of GPS coordinates and bearings
I have a problem similar to Triangulation: Estimate a location using lat/long coordinates and bearings.
I have a series of GPS coordinates and bearings for each coordinate as well as accuracy for each ...
1
vote
0
answers
242
views
GNSS algorithms in Android and IOS
I am trying to determine what algorithms are used to determine location and speed in late-model Android and IOS smartphones. I am looking into merging the location data with higher frequency IMU data ...
- 11
1
vote
0
answers
335
views
How to build shared library from spatialite as static library NDK
I want to build a shared library for android to link with JNI,
all libraries on which it depends are static libraries.
I used this to build spatialite and sqlite for android :
https://github.com/...
- 11
1
vote
1
answer
1k
views
Displaying shapefiles in Google Maps Android
I want to develop an Android app which will display Google Maps and also display a shapefile (Esri shapefile with polygons, styled in ArcGIS, and having an attribute table). I want to be able to ...
- 41
1
vote
0
answers
35
views
Identifying if a user is in building or shopping mall using GPS or WiFi data
I am trying to understand if there is a logic to see if a user is in a shopping mall or a building or outside using GPS or WiFi data captured from a mobile phone.
Is there a logic to check?
- 51
1
vote
1
answer
2k
views
How to use ground overlay google map android for polygon area to fit the map image in it?
I have a park area that is not rectangle or a simple shape. It is just like polygon area. I could load sample image on it for testing, in my android app.
There it is :
mGroundOverlayRotated = ...
- 11
1
vote
0
answers
855
views
OpenLayers GeoLocation.getPosition() is inconsistent
In my mobile application I am using OpenLayers and trying to capture current position of the user by using GeoLocation.getPosition() method.
The method sometimes returns position and sometimes return ...
- 321
1
vote
0
answers
39
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
0
answers
160
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 ?
- 205
1
vote
0
answers
766
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 ...
- 10.3k
1
vote
0
answers
733
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, ...
- 111
1
vote
0
answers
817
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 ...
- 447
1
vote
0
answers
30
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 ...
- 11
1
vote
0
answers
225
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 ...
- 111
1
vote
0
answers
2k
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 ...
- 11