Google Maps Android API V2 problems with android 4.3

Question

I am novice in Google maps. Just followed this link http://www.androidhive.info/2013/08/android-working-with-google-maps-v2/ when I am launching my app, follwing error is coming

Answer 1

package com.synergyifs.libapp;

import android.Manifest;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.location.Address;
import android.location.Criteria;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.Settings;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AutoCompleteTextView;
import android.widget.Toast;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GoogleApiAvailability;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.location.LocationServices;
import com.google.android.gms.location.places.Place;
import com.google.android.gms.location.places.ui.PlacePicker;
import com.google.android.gms.maps.CameraUpdate;
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.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import com.synergyifs.libapp.adapter.PlacesAutoCompleteAdapter;

import java.util.List;
import java.util.Locale;

/**
 * Created by Admin34 on 23-03-2016.
 */
public class MapDemoActivity extends AppCompatActivity implements OnMapReadyCallback,
        GoogleApiClient.ConnectionCallbacks,
        GoogleApiClient.OnConnectionFailedListener,
        GoogleMap.OnMarkerDragListener, GoogleMap.OnMapLongClickListener {

    int PLACE_PICKER_REQUEST = 1;
    private GoogleMap map;
    private LatLng synergyIFS = new LatLng(18.511478, 73.801217);
    private GoogleApiClient googleApiClient;
    private double longitude;
    private double latitude;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.map_activity);

        SupportMapFragment fragment = (SupportMapFragment) this.getSupportFragmentManager().findFragmentById(R.id.main_map);
        fragment.getMapAsync(this);
        googleApiClient = new GoogleApiClient.Builder(MapDemoActivity.this)
                .addConnectionCallbacks(this)
                .addOnConnectionFailedListener(this)
                .addApi(LocationServices.API).build();
    }

    private void initMap(GoogleMap googleMap) {
        map = googleMap;
        CameraUpdate center = CameraUpdateFactory.newLatLng(synergyIFS);
        CameraUpdate zoom = CameraUpdateFactory.zoomTo(10f);
        map.moveCamera(center);
        map.animateCamera(zoom);
        map.setMapType(GoogleMap.MAP_TYPE_NORMAL);
        getCurrentLocation();
        map.setMyLocationEnabled(true);
        map.setOnMapLongClickListener(this);
        map.setOnMarkerDragListener(this);

    }

    private void getCurrentLocation() {
        Location location = LocationServices.FusedLocationApi.getLastLocation(googleApiClient);
        if (location != null) {
            //Getting longitude and latitude
            longitude = location.getLongitude();
            latitude = location.getLatitude();

            //moving the map to location
            moveMap();
        }
    }

    private void moveMap() {
        String msg = latitude + ", " + longitude;

        //Creating a LatLng Object to store Coordinates
        LatLng latLng = new LatLng(latitude, longitude);

        //Adding marker to map
        map.addMarker(new MarkerOptions()
                .position(latLng) //setting position
                .draggable(true) //Making the marker draggable
                .title("Current Location")); //Adding a title

        //Moving the camera
        map.moveCamera(CameraUpdateFactory.newLatLng(latLng));

        //Animating the camera
        map.animateCamera(CameraUpdateFactory.zoomTo(15));

        //Displaying current coordinates in toast
        Toast.makeText(this, msg, Toast.LENGTH_LONG).show();
    }


    protected void onStart() {
        googleApiClient.connect();
        super.onStart();
    }

    @Override
    protected void onStop() {
        googleApiClient.disconnect();
        super.onStop();
    }

    @Override
    public void onMapReady(GoogleMap googleMap) {
        initMap(googleMap);
    }

    @Override
    public void onConnected(Bundle bundle) {
        getCurrentLocation();
    }

    @Override
    public void onConnectionSuspended(int i) {

    }

    @Override
    public void onConnectionFailed(ConnectionResult connectionResult) {

    }

    @Override
    public void onMarkerDragStart(Marker marker) {

    }

    @Override
    public void onMarkerDrag(Marker marker) {

    }

    @Override
    public void onMarkerDragEnd(Marker marker) {
        latitude = marker.getPosition().latitude;
        longitude = marker.getPosition().longitude;

        //Moving the map
        moveMap();
        new ReverserGeoCoding(MapDemoActivity.this).execute(marker.getPosition());
    }

    @Override
    public void onMapLongClick(LatLng latLng) {
        map.clear();

        //Adding a new marker to the current pressed position
        map.addMarker(new MarkerOptions()
                .position(latLng)
                .draggable(true));
    }

    class ReverserGeoCoding extends AsyncTask
    {
        Context mContext;

        public ReverserGeoCoding(Context context){
            super();
            mContext = context;
        }
        @Override
        protected String doInBackground(LatLng... params) {

            Geocoder geocoder=new Geocoder(mContext);
            double Lat=params[0].latitude;
            double  Long=params[0].longitude;

            List
 addresses = null;
            String addressText="";

           try
           {
               addresses = geocoder.getFromLocation(Lat, Long,2);
           }catch (Exception e)
           {
               e.printStackTrace();
           }
            if(addresses != null && addresses.size() > 0 ){
                Address address = addresses.get(0);

                addressText = String.format("%s, %s, %s",
                        address.getMaxAddressLineIndex() > 0 ? address.getAddressLine(0) : "",
                        address.getLocality(),
                        address.getCountryName());
            }
            return addressText;
        }

        @Override
        protected void onPostExecute(String s) {

               if(s!=null)
               {
                   Toast.makeText(mContext,s,Toast.LENGTH_SHORT).show();
               }
            else
               {
                   Toast.makeText(mContext,"no address found",Toast.LENGTH_SHORT).show();
               }
        }
    }
}