如何在android中确定当前本地化并为GoogleMapsApi添加标记

import android.Manifest;
import android.content.pm.PackageManager;
import android.location.Location;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.FragmentActivity;
import android.support.v4.content.ContextCompat;
import android.widget.Toast;

import com.google.android.gms.location.FusedLocationProviderClient;
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.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {

    private GoogleMap mMap;
    private FusedLocationProviderClient fusedLocationClient;

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

        // 获取地图Fragment并异步加载地图
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);

        // 初始化FusedLocationProviderClient
        fusedLocationClient = LocationServices.getFusedLocationProviderClient(this);
    }

    @Override
    public void onMapReady(GoogleMap googleMap) {
        mMap = googleMap;

        // 检查定位权限
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
                == PackageManager.PERMISSION_GRANTED) {
            // 获取当前位置
            fusedLocationClient.getLastLocation()
                    .addOnSuccessListener(this, location -> {
                        if (location != null) {
                            // 获取当前位置的经纬度
                            double latitude = location.getLatitude();
                            double longitude = location.getLongitude();

                            // 创建标记并添加到地图上
                            LatLng currentLocation = new LatLng(latitude, longitude);
                            mMap.addMarker(new MarkerOptions().position(currentLocation).title("Current Location"));

                            // 将地图视图移动到当前位置
                            mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(currentLocation, 15));
                        }
                    });
        } else {
            // 请求定位权限
            ActivityCompat.requestPermissions(this,
                    new String[]{Manifest.permission.ACCESS_FINE_LOCATION},
                    1);
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        if (requestCode == 1) {
            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                // 用户授予定位权限，重新加载地图
                recreate();
            } else {
                Toast.makeText(this, "Location permission denied", Toast.LENGTH_SHORT).show();
            }
        }
    }
}

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

<meta-data
    android:name="com.google.android.geo.API_KEY"
    android:value="YOUR_API_KEY" />