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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32
votes
9answers
73k views

Generating random locations nearby?

I am trying to create random locations nearby my location. What i want is to create random latitude/longitude pairs inside a 200 meters circle surrounding my location. This is the formula i came up ...
3
votes
1answer
180 views

Run GDAL on android and perform operations

Could one run gdal on android devices to perform some GIS operation, like viewshed, contours, etc?
0
votes
1answer
101 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
2
votes
1answer
3k 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
votes
1answer
54 views

How to display WMS layer from local geoserver in mobile application with Cesium Javascript Library?

I need to display WMS layer from local geoserver in mobile application with Cesium Javascript Library. But I don't know how to do it. Can anyone help me? Thanks.
0
votes
1answer
1k 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
votes
0answers
43 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 ...
1
vote
2answers
265 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
1answer
47 views

Better GPS accuracy in Android application

We are looking for ways to read higher GPS accuracy (less than 1 m) in our Android application. We have tried with couple of mobiles having L1 frequency and supports GPS , GLONASS, Galileo etc but ...
0
votes
2answers
2k views

How can I cache reverse-geocode results?

I'm implementing an Android application that needs to do some reverse-geocoding to resolve a geocoordinate to a city. What is the best way to cache this information on the smartphone so that I don't ...
3
votes
3answers
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.
0
votes
2answers
686 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 ...
2
votes
0answers
24 views

Can't find geotools class in jar file/Maven dependency Android app [closed]

I am creating an Android app and using an extension from Maven dependency. This extension use geotools classes but when I compile and execute the app I have the following error: 020-04-20 21:51:52....
1
vote
3answers
458 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 ...
0
votes
0answers
32 views

How to divide / split / cut polygons in Android?

I am developing a GIS app in Android. I have checked the GoogleMaps and OSM (OSMDroid) libraries and I am able to create and edit lines, polygons etc. but I was not able to divide a polygon, with a ...
1
vote
3answers
3k views

Offline Google Map on Android

If I go to abroad as a tourist before I collect the visiting places on my Google Maps then export it to KML. In abroad I don't use mobile Internet on the street (very expensive) but I would like to ...
0
votes
0answers
21 views

How to visualize markers on navigation on map?

I want to create a android application, to visualize road anomaly on map, like I annotate roads. So I used mapbox to do that, but I when I run the navigation, i can't visualisate the markers that i ...
1
vote
0answers
135 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/...
0
votes
0answers
26 views

Can't enter coordinates on Samsung phone for collection with ArcGIS Collector

I am using a hand-held GPS to collect accurate location coordinates of a given feature in the field. Later, when I have access to a wireless network, I'm using my Samsung phone (Galaxy A8) to enter ...
0
votes
0answers
15 views

What is wrong with this Path in Carto Map SDK?

I am using Carto Mobile SDK to develop an Android-based Navigation Application (using Java). I have been following the documentation step by step. Right now I am adding a 3D Vector Object on the map. ...
1
vote
0answers
173 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 = ...
0
votes
2answers
51 views

GPX route generator for android

I am looking for a free, easy to use android app or mobile friendly website to plan a route and save it in GPX format. So far I have seen https://mapstogpx.com/ which unfortunately does not work with ...
2
votes
0answers
99 views

QField does not get the GPS location on Android

I am using QField on three Samsung Galaxy S5 tab tablets for a field work. I created a QGIS project (with project and layers in the same CRS). I downloaded QField on the tablets and created a QField ...
6
votes
0answers
808 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/...
0
votes
0answers
16 views

How to send Feature object to Activities?

I try sent Feature object from one Activity to Fragment. But I have exception serialize object. Because Feature object is not serialize. Bundle args = new Bundle(); args....
3
votes
2answers
1k views

OSMDroid app using custom ArcGIS Tile Server - tiles are shuffled

I am developing an android mapping app using OSMDroid. I am attempting to use free custom aerial imagery, completely independent of Google and/or Bing APIs. Please, do not propose any solution that ...
2
votes
1answer
10k views

How to get polyline latitude and longitude by click on polyline android?

I have set Polyline click listener like this : map.setOnPolylineClickListener(new GoogleMap.OnPolylineClickListener() { public void onPolylineClick(Polyline polyline) { int ...
0
votes
0answers
41 views

Finding map zoom level on basis of image width & height or worldFile data or on basis of field area in Android

I am trying to render the satellite images on google map in Android, and I am able to do that but the issue is, some images are not getting rendered properly because of the zoom level. Every image ...
2
votes
1answer
833 views

Data collector mobile app with mapping capabilities [duplicate]

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 ...
2
votes
1answer
47 views

qgis2threejs navigation Android

The navigation of a 3D qgis2threejs map for an Android tablet is not optimal. Test on 7 and 10 zoll. Problem: If I want to zoom in or out with two fingers the zoomlevels are to big. It should be small ...
3
votes
1answer
582 views

Looking for Android, offline, mobile app for field campaign? [closed]

In the frame of an international project in agriculture monitoring, I have to propose a mobile app that will be used as a reference for field working. The minimum requirements of such an application ...
2
votes
1answer
323 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 ...
1
vote
1answer
1k views

Navigation/Routing in 3D View On Android

I need to build a navigation/routing application in 3D view like sygic, what are the available options if any? Are there any existing open source or proprietary 3D mapping/libraries? I have checked ...
5
votes
2answers
3k views

How to serve local maps for an offline HTML5 webmapping app?

How could one serve maps (tiles in wherever format possible) within a Android device to be consumed by an offline webmapping app also accessed within the device's browser?
0
votes
0answers
78 views

Exporting KML/ SHP/ EXCEL Files from Google Maps [Android version]

I want to export my pin locations using Google Maps [ Android version] and save the layer as KML /SHP/EXCEL in my phone. Is this feasible using Google Maps or are there any other applications which ...
3
votes
2answers
4k views

What class/types of smartphone chipsets support GPS, A-GPS, GLONASS AND have extended kalman filtering? [closed]

I've been testing several Android phones (all running Android 4+) Sony Xperia T, Moto G, Nexus and HTC 1 which are all giving decent tracks (all of which use GPS/GLONASS) However we are also using ...
0
votes
2answers
1k views

Creating offline basemap with small size using ArcGIS SDK for Android? [closed]

I want to develop an app for mobile devices .I'm using ArcGIS SDK for android and i want to have an offline basemap in the app . One solution is use to tpk file.but the size of tpk is too large for ...
0
votes
0answers
62 views

Imported shapefiles will not load correctly in Android app MapIT

I am able to import shapefiles 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 ...
5
votes
1answer
5k views

Viewing/creating/editing Google My Maps KML files on Android [closed]

I have two large (several hundred features) maps created by Google My Maps that I use for my field research. They contain important information required by the field crew for their work on site. ...
1
vote
0answers
107 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 ...
2
votes
0answers
87 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 ...
0
votes
0answers
35 views

Finding out whether lat/long position within Polygon using ArcGIS Runtime SDK for Android

I am working on a system that will work offline, so I exported my map data to a geodatabase. I need to check if the GPS coordinate is within a polygon of my geodatabase and return the record table of ...
9
votes
5answers
18k views

Capturing 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 ...
0
votes
1answer
79 views

Defining next object in street with android? [closed]

I want to put objects in a map and discover which is the closest object from me, supposing that I'm in a moving car with my cell phone. Thus, to define the closest object I need to take the ...
4
votes
1answer
93 views

Relationship between Android bearing and iOS course?

I'm a mobile developer working on an Android and iOS app that displays the user's location and various POIs on a map. I've been comparing the location objects that I get back from Android and iOS and ...
1
vote
0answers
62 views

How can I calculate point's coordinates based on bounding box and tap click on phone screen? [closed]

E.g. I have bounding box [94818.24, 116189.125] [94818.914, 116189.8] and point's coordinate on my screen [695, 1082]. So how can I get a coordinate in CRS=EPSG:99781
0
votes
1answer
378 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 ...
3
votes
1answer
273 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 ...
1
vote
2answers
283 views

QField operating system

Does anybody know if Qfield can run on Ipad? My understanding is it was build to run on Android 4.3 or later version. Anybodu knows if it can run on with IOS?
4
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 ...

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