Monday, November 16, 2015

Get Current Location using Android Studio With Android M Support


You can get Current location in Android M using Below code...
You can Download full source code here.

GPSTracker.java



package com.example.shivang.currentlocation;

import android.Manifest;
import android.annotation.TargetApi;
import android.app.AlertDialog;
import android.app.Service;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Build;
import android.os.Bundle;
import android.os.IBinder;
import android.provider.Settings;
import android.support.annotation.Nullable;
import android.util.Log;

/** * Created by shivang on 09-11-2015. */

public class GPSTracker extends Service implements LocationListener{

    private final Context mContext;

    // flag for GPS status  
  boolean isGPSEnabled = false;

    // flag for network status  
  boolean isNetworkEnabled = false;

    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();
    }


    @TargetApi(Build.VERSION_CODES.M)
    public Location getLocation() {
        try {
            locationManager = (LocationManager) mContext.getSystemService(mContext.LOCATION_SERVICE);

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

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

            if (!isGPSEnabled && !isNetworkEnabled) {
                // no network provider is enabled     
       } else {
                this.canGetLocation = true;
                // First get location from Network Provider   
             if (isNetworkEnabled) {
//                    if(isPermission())      
              if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                        if (mContext.checkSelfPermission(Manifest.permission.
ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED || mContext.checkSelfPermission(Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
                            //DO OP WITH LOCATION SERVICE   
                         locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, MIN_TIME_BW_UPDATES, MIN_DISTANCE_CHANGE_FOR_UPDATES, this);

                        }
                    }else {
                        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;
    }
    /**     * 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 if best network provider     * @return boolean     * */    public boolean canGetLocation() {
        return this.canGetLocation;
    }

    /**     * Function to show settings alert dialog     * */ 
   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?");

        // Setting Icon to Dialog      
  //alertDialog.setIcon(R.drawable.delete);
        // 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();
    }

    @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) {
    }


    @Nullable   
 @Override   
 public IBinder onBind(Intent intent) {
        return null;
    }

    public Location getLocationUsingCriteria()  {

        locationManager = (LocationManager) mContext.getSystemService(mContext.LOCATION_SERVICE);
        android.location.Criteria criteria = new android.location.Criteria();
        String best = locationManager.getBestProvider(criteria, true);
        System.out.println("Best..................."+ best);

        //since you are using true as the second parameter, you will only get the best of providers which are enabled.      
  canGetLocation = true;

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            if (mContext.checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED || mContext.checkSelfPermission(Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
                //DO OP WITH LOCATION SERVICE             
   location = locationManager.getLastKnownLocation(best);
            }
        }else {
            location = locationManager.getLastKnownLocation(best);
        }

        return location;
    }
}


 

MainActivity.java


package com.example.shivang.currentlocation;

import android.location.Location;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        GPSTracker gpsTracker = new GPSTracker(this);

        if(gpsTracker.canGetLocation()){
//            Location location = gpsTracker.getLocation(); 
           Location location = gpsTracker.getLocationUsingCriteria();
            Toast.makeText(this, gpsTracker.getLatitude() +  " : " + gpsTracker.getLongitude(), Toast.LENGTH_LONG).show();

        }else{
            Toast.makeText(this, "Unable to get location!", Toast.LENGTH_LONG).show();
    gpsTracker.showSettingsAlert();
        }


//        location.getLatitude();//     
   location.getLongitude();



    }

}
permission:
 <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.INTERNET" />

Reference:
Googling

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