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我目前正在和我的一个朋友一起开发一个应用程序，我正在使用以下代码来获取我当前的位置：

public class AdressPopup extends Activity implements
    GoogleApiClient.ConnectionCallbacks,
    GoogleApiClient.OnConnectionFailedListener,
    LocationListener {

public static final String TAG = AdressPopup.class.getSimpleName();
private final static int CONNECTION_FAILURE_RESOLUTION_REQUEST = 9000;
private GoogleApiClient mGoogleApiClient;
private LocationRequest mLocationRequest;

TextView textViewCord;
Button okayButton;


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


    mGoogleApiClient = new GoogleApiClient.Builder(this)
            .addConnectionCallbacks(this)
            .addOnConnectionFailedListener(this)
            .addApi(LocationServices.API)
            .build();

    // Create the LocationRequest object
    mLocationRequest = LocationRequest.create()
            .setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY)
            .setInterval(10 * 1000)        // 10 seconds, in milliseconds
            .setFastestInterval(1 * 1000); // 1 second, in milliseconds

    // GUI items:
    textViewCord = (TextView) findViewById(R.id.textViewCord);
    okayButton = (Button) findViewById(R.id.button);

    // Terminate window upon clicking 'okayButton':
    okayButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            finish();
        }
    });


    // How much to cover of the window..
    DisplayMetrics dm = new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(dm);


    int width = dm.widthPixels;
    int height = dm.heightPixels;

    getWindow().setLayout((int) (width * .6), (int) (height * .35));

}

@Override
protected void onResume() {

    super.onResume();
    mGoogleApiClient.connect();
}

@Override
protected void onPause() {

    super.onPause();
    if (mGoogleApiClient.isConnected()) {
        LocationServices.FusedLocationApi.removeLocationUpdates(mGoogleApiClient, this);
        mGoogleApiClient.disconnect();
    }
}


@Override
public void onLocationChanged(Location location) {
    handleNewLocation(location);

    Locale svLocale = new Locale("sv", "SE");

    //Get address based on location:
    try {
        Geocoder geo = new Geocoder(AdressPopup.this.getApplicationContext(), svLocale.getDefault());
        List<android.location.Address> addresses;
        addresses = geo.getFromLocation(location.getLatitude(), location.getLongitude(), 1);


        if (addresses.isEmpty()) {
            textViewCord.setText("Waiting for Location");
        } else {
            if (addresses.size() > 0) {

                final String postalCode = addresses.get(0).getPostalCode();
                final String streetName = addresses.get(0).getThoroughfare();
            //    final String cityName = addresses.get(0).getLocality();

                StoreBackend.lookupStoreName(postalCode, new StoreBackend.Callback<String>() {

                    @Override
                    public void acceptResult(String name) {
                        textViewCord.append(postalCode + " (" + streetName + ") " + "\n\n" + "Din butik" + ": " + name);
                    }
                });
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

}


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

    Location location = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);

    Log.d(TAG, "Location services connected.");

    if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {

        //do nothing

    } else if (location == null) {
        LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, this);
    } else {
        handleNewLocation(location);
    }

    //    Log.d("Coordinates: ", location.getLatitude() + "," + location.getLongitude());
    onLocationChanged(location);


}


private void handleNewLocation(Location location) {
    Log.d(TAG, location.toString());
}

@Override
public void onConnectionSuspended(int i) {

    Log.i(TAG, "Location services suspended. Please reconnect.");
}

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

    if (connectionResult.hasResolution()) {
        try {
            // Start an Activity that tries to resolve the error
            connectionResult.startResolutionForResult(this, CONNECTION_FAILURE_RESOLUTION_REQUEST);
        } catch (IntentSender.SendIntentException e) {
            e.printStackTrace();
        }
    } else {
        Log.i(TAG, "Location services connection failed with code " + connectionResult.getErrorCode());
    }
}

}

我们正在使用 android studio 和 bitbucket（我们的项目存储库所在的位置）。当我将 .apk 文件导出到我的三星 Galaxy s4 设备时，这非常有效。但是，当我的朋友在他的 android studio 环境中执行相同操作并在他的 samsung Galaxy s7 上尝试此功能时（请注意，我们正在使用相同的代码）它不起作用。

在以下行请求新位置时，他得到一个空值：

  LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, this);

这些权限存在于 AndroidManifest.xml 文件中：

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.CALL_PHONE" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-feature android:name="android.hardware.location.gps" />

并且用于播放服务的构建是“6.5.87”。任何有关此事的帮助将不胜感激。

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