奥利奥中的OnLocationUpdatedListener不起作用

dependencies {
    implementation 'com.google.android.gms:play-services-location:17.0.0'
}

private FusedLocationProviderClient fusedLocationClient;

// 在Activity或Fragment的onCreate方法中
fusedLocationClient = LocationServices.getFusedLocationProviderClient(this);

// 请求位置权限
if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
    ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_LOCATION_PERMISSION);
}

private LocationCallback locationCallback = new LocationCallback() {
    @Override
    public void onLocationResult(LocationResult locationResult) {
        if (locationResult == null) {
            return;
        }
        
        for (Location location : locationResult.getLocations()) {
            // 处理位置数据
        }
    }
};

// 在Activity或Fragment的onResume方法中
fusedLocationClient.requestLocationUpdates(locationRequest, locationCallback, Looper.getMainLooper());

// 在Activity或Fragment的onPause方法中
fusedLocationClient.removeLocationUpdates(locationCallback);