gps

问题 I am trying to learn building applications for Android and the first project is to view a website I've made that uses GPS localization. But when I'm trying to use webView.setWebChromeClient(... I'm getting the following error message: Cannot resolve method 'setWebChromeClient(anonymous android.webkit.WebChromeClient) . If it will help anything, I have added the needed permissions in my AndroidManifest.xml: <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android

问题 I am trying to learn building applications for Android and the first project is to view a website I've made that uses GPS localization. But when I'm trying to use webView.setWebChromeClient(... I'm getting the following error message: Cannot resolve method 'setWebChromeClient(anonymous android.webkit.WebChromeClient) . If it will help anything, I have added the needed permissions in my AndroidManifest.xml: <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android

问题 My question titles seems to be an existing one, but here is my complete scenario. I have an activity for Map based operations, where am drawing a polyline along a road, lets say a route between two locations. Basically the app tracks the users current location (Traveling by car). So till part everything is working, as in, the route is properly shown, device Location API is giving location updates (kindof exact), and also i was able to change the location updates smoothly, So the issue is, the

问题 I am trying to get Current Location using either GPS or Network Provider . My device's GPS is enabled but I'm not getting Latitude and Longitude . GpsTracker.java: public class GpsTracker extends Service implements LocationListener { private final Context mContext; // flag for GPS Status boolean isGPSEnabled = false; // flag for network status boolean isNetworkEnabled = false; boolean canGetLocation = false; Location location; public double latitude; public double longitude; // The minimum

问题 I am using GPS either GPS_PROVIDER or NETWORK_SERVICE_PROVIDER for latitude and longitude . I want to detect when specifically App goes background to foreground (Either By Home button) . ISSUES: GPS detected location is not updated from time to time until any app used it so can get the updated location . Detect the Background to foreground of app and detect location without battery issues . Any GPS location update time to time without any battery issues. 回答1: For get location in background

问题 I know that you can't turn on GPS in your application without going to system preferences. But i've downloaded GPS on/off widget and this widget do the job. I've decompiled the apk to find how the programmer have done the job with no success, dex files doen't show the code but functions and informations. Idea on how did he does that ? 回答1: Use the following function buildAlertMessageNoGps() and launchGPSOptions() to achieve your goal . see The Link 回答2: You can look up the source code if he

问题 While getting GPS data from a receiver I get it in this format 4119.03283,7203.39095 . Does anybody know what kind of format that is? I just can't get my mind around what format this is like is it DMS, Decimal? 回答1: The format is called DM (Degrees and decimal minutes). 4119.03283,7203.39095 is 41° and 19.03283 minutes (the first two digits in latitude), same for 7203.39095: 72° 3.39095' (attention here: it should be 3 digits for longitude: so 07203.39095, check if you have 5 digits before

问题 I need to get Geocoordinate object with my Longitude and Latitude. Cannot get Geocoordinates by new() https://msdn.microsoft.com/en-us/library/windows/apps/windows.devices.geolocation.geocoordinate One way is for example this code var locator = new Geolocator(); locator.DesiredAccuracyInMeters = 50; var position = await locator.GetGeopositionAsync(); Geocoordinate Coordinate = position.Coordinate; Which gets GPS coordinate. But I need Geocoordinate with my Longitude and Latitude. 回答1: You

问题 I need to get Geocoordinate object with my Longitude and Latitude. Cannot get Geocoordinates by new() https://msdn.microsoft.com/en-us/library/windows/apps/windows.devices.geolocation.geocoordinate One way is for example this code var locator = new Geolocator(); locator.DesiredAccuracyInMeters = 50; var position = await locator.GetGeopositionAsync(); Geocoordinate Coordinate = position.Coordinate; Which gets GPS coordinate. But I need Geocoordinate with my Longitude and Latitude. 回答1: You

问题 Okay here it goes my app is sort of a GPS tracker app you can say. If the user is travelling from source to destination, i want to get its GPS location say after 5-7 minutes until the user has reached the destination and also keep send text messages of that position to a specified number. So my question how can i get user's location and send message after he has closed the application? The user will fill in the source and destination in my activity and then click a button to send text message