ошибка в классе Fragment (LocationServices.FusedLocationApi.requestLocationUpdates (client, locationRequest, this); - PullRequest
0 голосов
/ 22 октября 2018

Это мой код здесь, я пытаюсь использовать карту Google во фрагменте, здесь ошибка в

LocationServices.FusedLocationApi.requestLocationUpdates(client, locationRequest, this);

Я пытался использовать getActivity() вместо это , ноэто все еще не работало:

package com.example.dell.jsonexp;

import android.Manifest;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationListener;
import android.os.Build;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.os.Bundle;
import android.support.v4.content.ContextCompat;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.widget.EditText;
import android.widget.Toast;



import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.location.LocationRequest;
import com.google.android.gms.location.LocationServices;
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.BitmapDescriptorFactory;
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 java.io.IOException;
import java.util.List;

public abstract class MapsActivity extends Fragment implements OnMapReadyCallback, GoogleApiClient.ConnectionCallbacks,GoogleApiClient.OnConnectionFailedListener,LocationListener{


    private GoogleMap mMap;
    private GoogleApiClient client;
    private LocationRequest locationRequest;
    private Location lastlocation;
    private Marker currentLocationmMarker;
    public static final int REQUEST_LOCATION_CODE = 99;
    int PROXIMITY_RADIUS = 10000;
    double latitude,longitude;

    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.activity_maps, container, false);

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
        {
            checkLocationPermission();
       //error in above line

        }
    SupportMapFragment mapFragment = (SupportMapFragment) 
    getActivity().getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);


    }


    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        switch(requestCode)
        {
            case REQUEST_LOCATION_CODE:
                if(grantResults.length >0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
                {
                    if(ContextCompat.checkSelfPermission(getActivity(),Manifest.permission.ACCESS_FINE_LOCATION) !=  PackageManager.PERMISSION_GRANTED)
                    {
                        if(client == null)
                        {
                            bulidGoogleApiClient();
                        }
                        mMap.setMyLocationEnabled(true);
                    }
                }
                else
                {
                    Toast.makeText(getActivity(),"Permission Denied" , Toast.LENGTH_LONG).show();
                }
        }
    }

    /**
     * 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 (ContextCompat.checkSelfPermission(getActivity(), Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
            bulidGoogleApiClient();
            mMap.setMyLocationEnabled(true);
        }
    }


    protected synchronized void bulidGoogleApiClient() {
        client = new GoogleApiClient.Builder(getActivity()).addConnectionCallbacks(this).addOnConnectionFailedListener(this).addApi(LocationServices.API).build();
        client.connect();

    }

    @Override
    public void onLocationChanged(Location location) {

        latitude = location.getLatitude();
        longitude = location.getLongitude();
        lastlocation = location;
        if(currentLocationmMarker != null)
        {
            currentLocationmMarker.remove();

        }
        Log.d("lat = ",""+latitude);
        LatLng latLng = new LatLng(location.getLatitude() , location.getLongitude());
        MarkerOptions markerOptions = new MarkerOptions();
        markerOptions.position(latLng);
        markerOptions.title("Current Location");
        markerOptions.icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_BLUE));
        currentLocationmMarker = mMap.addMarker(markerOptions);
        mMap.moveCamera(CameraUpdateFactory.newLatLng(latLng));
        mMap.animateCamera(CameraUpdateFactory.zoomBy(10));

        if(client != null)
        {
            LocationServices.FusedLocationApi.removeLocationUpdates(client,this);
        }
    }

    public void onClick(View v)
    {
        Object dataTransfer[] = new Object[2];
        GetNearbyPlacesData getNearbyPlacesData = new GetNearbyPlacesData();

        switch(v.getId())
        {
            case R.id.B_search:
                EditText tf_location =  v.findViewById(R.id.TF_location);
                String location = tf_location.getText().toString();
                List<Address> addressList;


                if(!location.equals(""))
                {
                    Geocoder geocoder = new Geocoder(getActivity());

                    try {
                        addressList = geocoder.getFromLocationName(location, 5);

                        if(addressList != null)
                        {
                            for(int i = 0;i<addressList.size();i++)
                            {
                                LatLng latLng = new LatLng(addressList.get(i).getLatitude() , addressList.get(i).getLongitude());
                                MarkerOptions markerOptions = new MarkerOptions();
                                markerOptions.position(latLng);
                                markerOptions.title(location);
                                mMap.addMarker(markerOptions);
                                mMap.moveCamera(CameraUpdateFactory.newLatLng(latLng));
                                mMap.animateCamera(CameraUpdateFactory.zoomTo(10));
                            }
                        }
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
                break;
            case R.id.B_hopistals:
                mMap.clear();
                String hospital = "hospital";
                String url = getUrl(latitude, longitude, hospital);
                dataTransfer[0] = mMap;
                dataTransfer[1] = url;

                getNearbyPlacesData.execute(dataTransfer);
                Toast.makeText(getActivity(), "Showing Nearby Hospitals", Toast.LENGTH_SHORT).show();
                break;


            case R.id.B_schools:
                mMap.clear();
                String school = "school";
                url = getUrl(latitude, longitude, school);
                dataTransfer[0] = mMap;
                dataTransfer[1] = url;

                getNearbyPlacesData.execute(dataTransfer);
                Toast.makeText(getActivity(), "Showing Nearby Schools", Toast.LENGTH_SHORT).show();
                break;
            case R.id.B_restaurants:
                mMap.clear();
                String resturant = "restuarant";
                url = getUrl(latitude, longitude, resturant);
                dataTransfer[0] = mMap;
                dataTransfer[1] = url;

                getNearbyPlacesData.execute(dataTransfer);
                Toast.makeText(getActivity(), "Showing Nearby Restaurants", Toast.LENGTH_SHORT).show();
                break;
            case R.id.B_to:
        }
    }


    private String getUrl(double latitude , double longitude , String nearbyPlace)
    {

        StringBuilder googlePlaceUrl = new StringBuilder("https://maps.googleapis.com/maps/api/place/nearbysearch/json?");
        googlePlaceUrl.append("location="+latitude+","+longitude);
        googlePlaceUrl.append("&radius="+PROXIMITY_RADIUS);
        googlePlaceUrl.append("&type="+nearbyPlace);
        googlePlaceUrl.append("&sensor=true");
        googlePlaceUrl.append("&key="+"AIzaSyfw7sMb73Mr88L91Jqh3tuE4mKsE");

        Log.d("MapsActivity", "url = "+googlePlaceUrl.toString());

        return googlePlaceUrl.toString();
    }

    @Override
    public void onConnected(@Nullable Bundle bundle) {

        locationRequest = new LocationRequest();
        locationRequest.setInterval(100);
        locationRequest.setFastestInterval(1000);
        locationRequest.setPriority(LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY);


        if(ContextCompat.checkSelfPermission(getActivity(), Manifest.permission.ACCESS_FINE_LOCATION ) == PackageManager.PERMISSION_GRANTED)
        {
            LocationServices.FusedLocationApi.requestLocationUpdates(client, locationRequest, this);
        //error in above line

}
    }


    public  boolean checkLocationPermission()
    {
        if(ContextCompat.checkSelfPermission(getActivity(),Manifest.permission.ACCESS_FINE_LOCATION)  != PackageManager.PERMISSION_GRANTED )
        {

            if (ActivityCompat.shouldShowRequestPermissionRationale(getActivity(),Manifest.permission.ACCESS_FINE_LOCATION))
            {
                ActivityCompat.requestPermissions(getActivity(),new String[] {Manifest.permission.ACCESS_FINE_LOCATION },REQUEST_LOCATION_CODE);
            }
            else
            {
                ActivityCompat.requestPermissions(getActivity(),new String[] {Manifest.permission.ACCESS_FINE_LOCATION },REQUEST_LOCATION_CODE);
            }
            return false;

        }
        else
            return true;
    }


    @Override
    public void onConnectionSuspended(int i) {
    }

    @Override
    public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
    }
}

Здесь я получаю ошибку в `checkLocationPermission (), и я не знаю почему, но я подозреваю, что это из-за разрешений.

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