如何在Android中使用互聯網獲取MyLocation？

Question

我可以在android中使用GPS獲取我的位置，但是當我在平板電腦上運行我的應用程序時，它給我一個錯誤，因爲GPS不可用，它是錯誤的。 我使用Google Api V2。 我的GPS代碼位置：

map = ((SupportMapFragment) getSupportFragmentManager() 
      .findFragmentById(R.id.map)).getMap(); 
    Log.e("MAp","Map Created:"); 
    LocationManager mlocManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); 
    map.setMyLocationEnabled(true); 

謝謝。

Answer 1

我也有同樣的問題，在我想要使用GPS或Wi-Fi我的位置。

我在Stack中遇到了一個解決方案，但我現在找不到這個問題，儘管我認爲this是一個足夠接近的答案。這是他們提出的解決方案。使用這個類來生成一個位置。如果您不感興趣，可以修改此選項以刪除GPS。

public class GPSTracker implements LocationListener { 

private final Context mContext; 

// flag for GPS status 
public boolean isGPSEnabled = false; 

// flag for network status 
boolean isNetworkEnabled = false; 

// flag for GPS status 
boolean canGetLocation = false; 

Location location; // location 
double latitude; // latitude 
double longitude; // longitude 

// The minimum distance to change Updates in meters 
private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; // 10 meters 

// The minimum time between updates in milliseconds 
private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1; // 1 minute 

// Declaring a Location Manager 
protected LocationManager locationManager; 

public GPSTracker(Context context) { 
    this.mContext = context; 
    getLocation(); 
} 

/** 
* Function to get the user's current location 
* @return 
*/ 
public Location getLocation() { 
    try { 
     locationManager = (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE); 

     // getting GPS status 
     isGPSEnabled = locationManager 
       .isProviderEnabled(LocationManager.GPS_PROVIDER); 

     Log.v("isGPSEnabled", "=" + isGPSEnabled); 

     // getting network status 
     isNetworkEnabled = locationManager 
       .isProviderEnabled(LocationManager.NETWORK_PROVIDER); 

     Log.v("isNetworkEnabled", "=" + isNetworkEnabled); 

     if (isGPSEnabled == false && isNetworkEnabled == false) { 
      // no network provider is enabled 
     } else { 
      this.canGetLocation = true; 
      if (isNetworkEnabled) { 
       locationManager.requestLocationUpdates(
         LocationManager.NETWORK_PROVIDER, 
         MIN_TIME_BW_UPDATES, 
         MIN_DISTANCE_CHANGE_FOR_UPDATES, this); 
       Log.d("Network", "Network"); 
       if (locationManager != null) { 
        location = locationManager 
          .getLastKnownLocation(LocationManager.NETWORK_PROVIDER); 
        if (location != null) { 
         latitude = location.getLatitude(); 
         longitude = location.getLongitude(); 
        } 
       } 
      } 
      // if GPS Enabled get lat/long using GPS Services 
      if (isGPSEnabled) { 
       if (location == null) { 
        locationManager.requestLocationUpdates(
          LocationManager.GPS_PROVIDER, 
          MIN_TIME_BW_UPDATES, 
          MIN_DISTANCE_CHANGE_FOR_UPDATES, this); 
        Log.d("GPS Enabled", "GPS Enabled"); 
        if (locationManager != null) { 
         location = locationManager 
           .getLastKnownLocation(LocationManager.GPS_PROVIDER); 
         if (location != null) { 
          latitude = location.getLatitude(); 
          longitude = location.getLongitude(); 
         } 
        } 
       } 
      } 
     } 

    } catch (Exception e) { 
     e.printStackTrace(); 
    } 

    return location; 
} 

/** 
* Stop using GPS listener Calling this function will stop using GPS in your 
* app 
* */ 
public void stopUsingGPS() { 
    if (locationManager != null) { 
     locationManager.removeUpdates(GPSTracker.this); 
    } 
} 

/** 
* Function to get latitude 
* */ 
public double getLatitude() { 
    if (location != null) { 
     latitude = location.getLatitude(); 
    } 

    // return latitude 
    return latitude; 
} 

/** 
* Function to get longitude 
* */ 
public double getLongitude() { 
    if (location != null) { 
     longitude = location.getLongitude(); 
    } 

    // return longitude 
    return longitude; 
} 

/** 
* Function to check GPS/wifi enabled 
* 
* @return boolean 
* */ 
public boolean canGetLocation() { 
    return this.canGetLocation; 
} 

/** 
* Function to show settings alert dialog On pressing Settings button will 
* lauch Settings Options 
* */ 
public void showSettingsAlert() { 
    AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext); 

    // Setting Dialog Title 
    alertDialog.setTitle("GPS is settings"); 

    // Setting Dialog Message 
    alertDialog 
      .setMessage("GPS is not enabled. Do you want to go to settings menu?"); 

    // On pressing Settings button 
    alertDialog.setPositiveButton("Settings", 
      new DialogInterface.OnClickListener() { 
       public void onClick(DialogInterface dialog, int which) { 
        Intent intent = new Intent(
          Settings.ACTION_LOCATION_SOURCE_SETTINGS); 
        mContext.startActivity(intent); 
       } 
      }); 

    // on pressing cancel button 
    alertDialog.setNegativeButton("Cancel", 
      new DialogInterface.OnClickListener() { 
       public void onClick(DialogInterface dialog, int which) { 
        dialog.cancel(); 
       } 
      }); 

    // Showing Alert Message 
    alertDialog.show(); 
    // Showing Alert Message 
    alertDialog.show(); 
} 

@Override 
public void onLocationChanged(Location location) { 
} 

@Override 
public void onProviderDisabled(String provider) { 
} 

@Override 
public void onProviderEnabled(String provider) { 
} 

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

}

Answer 2

試試這個。這裏提到了GPS和Wifi網絡兩種方法Help