Wednesday, August 31, 2011

[android-developers] Re: onLocationChange never get called

Hi,

If the gps is blinking it is waiting for a first fix, go outside in
clear sky and wait for a few minutes for a fix. It also helps if the
device has a working internet connection to reduce time to first fix.

Regards

On Aug 31, 5:32 pm, Bipin Sutariya <bipin.sutar...@gmail.com> wrote:
> Has any one have any solution for this? Its bit urgent.
>
> On Aug 28, 5:09 pm, Sumedh <sumedhjos...@gmail.com> wrote:
>
>
>
>
>
>
>
> > Hi,
> > I m also trying to do the same application.
> > And managed to get lat-lon,date ,time. But this code works on
> > emulator(eclipse)
> > when i install the same apk on android phone it doesn,t work
>
> > my code is:
> > public class TestBroadcastActivity extends Activity implements
> > LocationListener
> > {
> >         private LocationManager myManager;
> >         private LocationListener loc;
> >     private TextView tv;
> >     @Override
> >     public void onCreate(Bundle savedInstanceState)
> >     {
> >         super.onCreate(savedInstanceState);
> >         setContentView(R.layout.main);
>
> >         tv = (TextView) findViewById(R.id.TextView01);
>
> >        myManager =
> > (LocationManager)this.getSystemService(Context.LOCATION_SERVICE);
>
> >         myManager.requestLocationUpdates(myManager.GPS_PROVIDER, 3000,
> > 0, locationListener);
> >     }
> >      LocationListener locationListener = new LocationListener()
> >     {
> >     public void onLocationChanged(Location location)
> >     {
> >                 try
> >                 {
> >                 String s = "";
> >                 s += "\tTime: "+location.getTime() + "\n";
> >                 s += "\tLatitude:  " + location.getLatitude()  + "\n";
> >                 s += "\tLongitude: " + location.getLongitude() + "\n";
> >                 s += "\tAccuracy:  " + location.getAccuracy()  + "\n";
> >                 tv.setText(s);
> >                 }
> >                 catch (Exception e)
> >                 {
> >                         System.out.println("Exception------>"+e);
> >                 }
> >     }
>
> >     public void onStatusChanged(String provider, int status, Bundle
> > extras) {}
> >     public void onProviderEnabled(String provider) {}
> >     public void onProviderDisabled(String provider) {}
>
> >     };
>
> >         public void onLocationChanged(Location location) {}
> >         public void onProviderDisabled(String provider) {}
> >         public void onProviderEnabled(String provider) {}
> >         public void onStatusChanged(String provider, int status, Bundle
> > extras) {}
>
> > }
>
> > On Aug 28, 1:38 pm,BipinSutariya<bipin.sutar...@gmail.com> wrote:
>
> > > OK one change Toast.makeText requires show() method to show toast. I
> > > added it and still onLocationChange not called.
>
> > > On Aug 28, 1:32 pm,BipinSutariya<bipin.sutar...@gmail.com> wrote:
>
> > > > Hi,
>
> > > > I am trying to develop application in which i need current lat/lang.
> > > > However onLocationChange method never get called.
>
> > > > Following is my code, and note that i have given all required
> > > > permission like android.permission.ACCESS_COARSE_LOCATION,
> > > > android.permission.ACCESS_FINE_LOCATION, android.permission.INTERNET
> > > > in manifest file. I can see gps icon on status bar that keep blinking
> > > > to find location, but never get success.
>
> > > > Can any one please help me on this.
>
> > > > public class LocationServiceActivity extends Activity implements
> > > > LocationListener{
> > > >     /** Called when the activity is first created. */
> > > >     @Override
> > > >     public void onCreate(Bundle savedInstanceState) {
> > > >         super.onCreate(savedInstanceState);
> > > >         setContentView(R.layout.main);
>
> > > >         LocationManager lm =
> > > > (LocationManager)this.getSystemService(Context.LOCATION_SERVICE);
>
> > > >         Boolean isGPSEnabled =
> > > > lm.isProviderEnabled(LocationManager.GPS_PROVIDER);
> > > >         Boolean isNetworkEnabled =
> > > > lm.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
>
> > > >         if(isGPSEnabled)
> > > >         {
> > > >                 lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0,
> > > > this);
> > > >         }
> > > >         else if(isNetworkEnabled)
> > > >         {
> > > >                 lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER,
> > > > 0, 0, this);
> > > >         }
> > > >         else
> > > >         {
> > > >                 Toast.makeText(this, "NO SERVICE ENABLED", 5000);
> > > >         }
>
> > > >     }
>
> > > >     public void onLocationChanged(Location location) {
> > > >         Toast.makeText(this, location.getLatitude()+"---
>
> > > > >"+location.getLongitude(), 5000);
>
> > > >     }
> > > >     public void onProviderDisabled(String provider) {
> > > >         // TODO Auto-generated method stub
>
> > > >     }
> > > >     public void onProviderEnabled(String provider) {
> > > >         // TODO Auto-generated method stub
>
> > > >     }
> > > >     public void onStatusChanged(String provider, int status, Bundle
> > > > extras) {
> > > >         // TODO Auto-generated method stub
>
> > > >     }
>
> > > > }

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