i have an app that takes the user exact GPS location and save it to a database when he presses a button.
i need his exact location(i.e location that is Fixed with GPS)
i used onLocationChanged() and GPS_EVENT_FIRST_FIX, but the problem was if the user was standing still and already had a fix, then he pressed a button, the app would wait as it neither of the above will launch.
and i was wondering if there was any way i can check if the GPS already has a fix on the device's location.
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I created an android app, which stores user's home location and count distance between home and his/her actual location, in a Service class.
Now I would like to programme feature that would decide based on counted distance, if a user is:
at home
away
getting closer
distancing from home
This should be similar to Google Now, that can predict that you are for example going home. If someone had some examples, I would be sooo grateful
To implement such kinda work, you need to implement GeoFence in your android app.
GeoFence gives you idea about user entered/exited from a defined area. If you set home location as base location and radius to 500m then it gives you entered callback you are within 500m of your home.
When you go away 500m from your home location then it gives you exited callback. To know about whether you are home location then at a interval of few minutes you can poll GPS coordinates then can identify whether you are at your home location.
https://developer.android.com/reference/com/google/android/gms/location/Geofence.html
I am making a small app, when the user clicks the button the app gets the users location and opens Google maps.
The problem is, if the users mobile doesn't have GPS enabled , then enables it and clicks the button again, this method will return null:
location = service.getLastKnownLocation(provider);
When I wait after enabling GPS and then click the button, the method will work correctly and return the location.
How can I solve this problem?
why need to wait some second after enable GPS,to work?
It's because when you enable GPS it'll fix position of Satellite and based on that you'll able to get Location.
It is obviously a default behaviour, when you stop GPS and start it again, there is a small gap between start and stop, at that point, GPS will do its task, to get satellite data and after that it will provide you location. If we want to drive fast then we must need to start from 1st gear, same behaviour GPS doing.
As the answers mention above, the device will get the location after a while. If you are in the middle of a flow, you can show a ProgressSpinner and poll getLastKnownLocation() for x seconds to get a location.
If you hadn't used GooglePlayServicesClient try this to get user location.
It is the fastest way to get current lat long.
For reference and code use the following link.
http://developer.android.com/training/location/retrieve-current.html
Hop i helped you.
I am developing an Android applicaiton that tracks the user through GPS. I am able to get the location of the user when the location is changed by implementing the "onLocationChanged()" in every specified time and distance. But the problem is, i need to get the user location after every specified time even when the locationof the user is not changed. How can i accomplish this. Can you help me ?
In my android app, the user is able to turn off the GPS.
Because I need sometimes of the GPS and I want also ask the user to turn on the GPS again.
But the user is able to mark for not appears more this warning.
Use LocationListener which has the method onProviderDisabled. This method gets called everytime the user turns off the GPS provided you have set the Location Provider to be GPS.
i am currently developing an app that requires location from the start. I have a method that checks if location updates are up, but even when GPS is turned up I cant ensure a Location Update when the app starts. How can I ensure a fresh location update when my app starts?
i am currently developing an app that requires location from the start.
That is a design flaw in your app. Please redesign your app to take into account that:
the user may have GPS disabled, or
the user may not have used GPS recently, so it will take some time to acquire a fix, or
the user may not be in a location where GPS signals are available (e.g., inside a large building)
How can I ensure a fresh location update when my app starts?
You can't.