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これは私の位置クラスで、位置の経度と緯度を取得していますが、現在の位置を変更すると経度と緯度の値が更新されないという問題があります。

自宅の場所をデバイスに保存すると、アプリは常に同じ経度と緯度の値を取得し、現在の場所の詳細を取得しません。例: 今日ニューヨークにいて、アプリを立ち上げたところ、場所はニュージャージーの自宅でした。

public class GetLocation extends Activity {
    protected LocationManager locationManager;
    protected Button retrieveLocationButton;
    Context mContext;
    Double Longitude, Latitude;
    String NetworkErrmsg = "", GpsErrmsg = "", ProviderErrmsg = "", NoNetworkmsg = "", GpsSuccesmsg = "", NetworkSuccesmsg = "";
    public GetLocation(Context mContext) {
        // TODO Auto-generated constructor stub
        this.mContext = mContext;
    }
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
   public void getLocationDetails() {
      locationManager = (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE);
        locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10, 100, new MyLocationListener());
        boolean gps_enabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
        boolean network_enabled = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
        if (!gps_enabled) {
            GpsErrmsg = "No Gps Connectivity";
        } else {
            showCurrentLocation(LocationManager.GPS_PROVIDER);
            GpsSuccesmsg = "Gps Enabled";
        }
        if (network_enabled && !gps_enabled) {
            showCurrentLocation(LocationManager.NETWORK_PROVIDER);
            NetworkSuccesmsg = "Network Provider Enabled. Please Enable your GPS settings to get exact onaround you list";
        }
        if (!gps_enabled && !network_enabled) {
            NoNetworkmsg = "Please Enable your Network/GPS settings to get onaround you list";
        }
    }
    protected void showCurrentLocation(String provider) {
        Location location = locationManager.getLastKnownLocation(provider);
        if (location != null) {
            Longitude = location.getLongitude
            Latitude = location.getLatitude();
        } else {
            NoNetworkmsg = "Please Enable your Network/GPS settings to get onaround you list";
            Longitude=null; Latitude=null;
        }
    }
    private class MyLocationListener implements LocationListener {
        @Override
        public void onLocationChanged(Location location) { 
            System.out.println("Longitude " + location.getLongitude());
        }
        @Override
        public void onStatusChanged(String s, int i, Bundle b) {
            // Toast.makeText(GetLocation.this, "Provider status changed", Toast.LENGTH_LONG).show();
        }
        @Override
        public void onProviderDisabled(String s) {
            // Toast.makeText(GetLocation.this, "Provider disabled by the user. GPS turned off",Toast.LENGTH_LONG).show();
        }
        @Override
        public void onProviderEnabled(String s) {
            // Toast.makeText(GetLocation.this, "Provider enabled by the user. GPS turned on", Toast.LENGTH_LONG).show();
        }
    }
}
4

1 に答える 1

2 
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.util.Log;
import android.os.Bundle;
import android.widget.Toast;




public class GPSLocationBased extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.locationbased);


    LocationManager lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
    LocationListener ll = new Mylocationlistener();





    // ---Get the status of GPS---
    boolean isGPS = lm
            .isProviderEnabled(LocationManager.GPS_PROVIDER);

    // If GPS is not enable then it will be on
    if(!isGPS)
    {
        Intent intent = new Intent("android.location.GPS_ENABLED_CHANGE");
        intent.putExtra("enabled", true);
         sendBroadcast(intent);


    }

    //<--registers the current activity to be notified periodically by the named provider. Periodically,
    //the supplied LocationListener will be called with the current Location or with status updates.-->
    lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, ll);
}

/**
 *Mylocationlistener class will give the current GPS location 
 *with the help of Location Listener interface 
 */
private class Mylocationlistener implements LocationListener {
    @Override
    public void onLocationChanged(Location location) {
        if (location != null) {
            // ---Get current location latitude, longitude, altitude & speed ---

            Log.d("LOCATION CHANGED", location.getLatitude() + "");
            Log.d("LOCATION CHANGED", location.getLongitude() + "");
            float speed = location.getSpeed();
            double altitude = location.getAltitude();
            Toast.makeText(GPSLocationBased.this,"Latitude = "+
                    location.getLatitude() + "" +"Longitude = "+ location.getLongitude()+"Altitude = "+altitude+"Speed = "+speed,
                    Toast.LENGTH_LONG).show();
        }
    }

    @Override
    public void onProviderDisabled(String provider) {
    }

    @Override
    public void onProviderEnabled(String provider) {
    }

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {
    }
}

}

于 2012-07-09T05:28:20.143 に答える