Current location in google map Android

package com.veer.myapplication;

import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationManager;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.FragmentActivity;
import android.os.Bundle;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.CameraPosition;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

public class LocActivity extends FragmentActivity implements OnMapReadyCallback {

    private GoogleMap mMap;

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_loc);
        // Obtain the SupportMapFragment and get notified when the map is ready to be used.        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
    }


    /**     * Manipulates the map once available.     * This callback is triggered when the map is ready to be used.     * This is where we can add markers or lines, add listeners or move the camera. In this case,     * we just add a marker near Sydney, Australia.     * If Google Play services is not installed on the device, the user will be prompted to install     * it inside the SupportMapFragment. This method will only be triggered once the user has     * installed Google Play services and returned to the app.     */    @Override    public void onMapReady(GoogleMap googleMap) {
        mMap = googleMap;


        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            // TODO: Consider calling            //    ActivityCompat#requestPermissions            // here to request the missing permissions, and then overriding            //   public void onRequestPermissionsResult(int requestCode, String[] permissions,            //                                          int[] grantResults)            // to handle the case where the user grants the permission. See the documentation            // for ActivityCompat#requestPermissions for more details.            return;
        }
        mMap.setMyLocationEnabled(true);

        if (mMap != null) {

            mMap.setOnMyLocationChangeListener(new GoogleMap.OnMyLocationChangeListener() {

                @Override                public void onMyLocationChange(Location arg0) {
                    // TODO Auto-generated method stub                    CameraPosition INIT =
                            new CameraPosition.Builder()
                                    .target(new LatLng(arg0.getLatitude(), arg0.getLongitude()))
                                    .zoom(17.5F)
                                    .bearing(300F) // orientation                                    .tilt(50F) // viewing angle                                    .build();
                    // use GooggleMap mMap to move camera into position                    mMap.animateCamera(CameraUpdateFactory.newCameraPosition(INIT));
                    mMap.addMarker(new MarkerOptions().position(new LatLng(arg0.getLatitude(), arg0.getLongitude())).title("It's Me!"));

                }
            });
        }
    }
}

xml

<fragment xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:map="http://schemas.android.com/apk/res-auto"    xmlns:tools="http://schemas.android.com/tools"    android:id="@+id/map"    android:name="com.google.android.gms.maps.SupportMapFragment"    android:layout_width="match_parent"    android:layout_height="match_parent"    tools:context="com.veer.myapplication.LocActivity" />