LocationManager not working on Android phone


I have a problem,

The locationmanager is working perfectly fine when i test it in the emulator and edit the location in the DDMS screen, but when i test it on the <strong>Samsung Galaxy SII</strong>, its nog working..

Please help me.

import android.app.Activity; import android.content.Context; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.os.Bundle; import android.telephony.TelephonyManager; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.Toast; public class LbsGeocodingActivity extends Activity { private static final long MINIMUM_DISTANCE_CHANGE_FOR_UPDATES = 0; // in Meters private static final long MINIMUM_TIME_BETWEEN_UPDATES = 1000; // in Milliseconds protected LocationManager locationManager; protected Button retrieveLocationButton; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); retrieveLocationButton = (Button) findViewById(R.id.retrieve_location_button); locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, MINIMUM_TIME_BETWEEN_UPDATES, MINIMUM_DISTANCE_CHANGE_FOR_UPDATES, new MyLocationListener()); retrieveLocationButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { showCurrentLocation(); } }); } public String getMyPhoneNumber(){ TelephonyManager mTelephonyMgr; mTelephonyMgr = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); return mTelephonyMgr.getLine1Number(); } protected void showCurrentLocation() { Location location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER); if (location != null) { String message = String.format("Current Location \n Longitude: %1$s \n Latitude: %2$s \n %3$s ", location.getLongitude(), location.getLatitude(), getMyPhoneNumber()); Toast.makeText(LbsGeocodingActivity.this, message, Toast.LENGTH_LONG).show(); } } private class MyLocationListener implements LocationListener { public void onLocationChanged(Location location) { String message = String.format( "New Location \n Longitude: %1$s \n Latitude: %2$s \n %3$s ", location.getLongitude(), location.getLatitude(), getMyPhoneNumber() ); Toast.makeText(LbsGeocodingActivity.this, message, Toast.LENGTH_LONG).show(); } public void onStatusChanged(String s, int i, Bundle b) { Toast.makeText(LbsGeocodingActivity.this, "Provider status changed", Toast.LENGTH_LONG).show(); } public void onProviderDisabled(String s) { Toast.makeText(LbsGeocodingActivity.this, "Provider disabled by the user. GPS turned off", Toast.LENGTH_LONG).show(); } public void onProviderEnabled(String s) { Toast.makeText(LbsGeocodingActivity.this, "Provider enabled by the user. GPS turned on", Toast.LENGTH_LONG).show(); } } }

In the permissions i have:



It could be a problem with your incorrect usage of String.format(). Sometimes this can cause weird, device-specific issues. Try,

String lon = "" + location.getLongitude(); String lat = "" + location.getLatitude(); String num = getMyPhoneNumber(); String message = String.format( "New Location \n Longitude: %1$s \n Latitude: %2$s \n %3$s", lon, lat, num ); <hr />

Have you tried using this?

LocationManager lm = (LocationManager)act.getSystemService(Context.LOCATION_SERVICE); Criteria crit = new Criteria(); crit.setAccuracy(Criteria.ACCURACY_FINE); String provider = lm.getBestProvider(crit, true); Location loc = lm.getLastKnownLocation(provider);


Maybe you are testing indoors, and can't get any GPS information. Try to change LocationManager.GPS_PROVIDER-->LocationManager.NETWORK_PROVIDER.


i had similar issues using the locationmanager on my HTC incredible S running 4.0.4. it would simply stop firing location changes on the real device after some time. on some other devices it would work. very intermittent.

my solution was to piss off the LocationManager and use LocationClient pardiagm. <a href="http://developer.android.com/reference/com/google/android/gms/location/LocationClient.html" rel="nofollow">http://developer.android.com/reference/com/google/android/gms/location/LocationClient.html</a>

ever since google play services have been introduced the Locationmanager has been intermittent on my device. I cant give any other explanation as to why it occurs.

But the LocationClient works everytime plus it removes the dumb 'provider' notion from location management.


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