Android映射活动不会跟随用户或显示位置图层

Question

我是android studio的新手，我正在尝试实现一个跟踪用户位置的高精度的简单映射活动。目前，在模拟活动时显示位置图层，并且如果将位置推送到模拟器，则可以通过单击位置按钮来查看标记，但是当将新位置推送到标记时，标记不会跟随标记。在移动设备上运行时，用户没有位置图层或标记，它只显示地图。

这是我的代码：

public class LiveMapping extends FragmentActivity implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener, LocationListener, OnMapReadyCallback {

private GoogleMap mMap;
private GoogleApiClient mGoogleApiClient;
private LocationRequest mLocationRequest;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_live_mapping);
    MapFragment mapFragment = (MapFragment) getFragmentManager().findFragmentById(R.id.map);


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

    mapFragment.getMapAsync(this);
    setUpMap();

    createLocationRequest();
    buildLocationSettingsRequest();
}

protected void createLocationRequest() {
    mLocationRequest = new LocationRequest();
    mLocationRequest.setInterval(10000);
    mLocationRequest.setFastestInterval(5000);
    mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
}

protected void buildLocationSettingsRequest() {
    LocationSettingsRequest.Builder builder = new LocationSettingsRequest.Builder()
            .addLocationRequest(mLocationRequest);
}

@Override
protected void onResume() {
    super.onResume();
    setUpMap();
    mGoogleApiClient.connect();
}

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

private void setUpMap() {
    if (mMap != null) {
        mMap.addMarker(new MarkerOptions().position(new LatLng(0, 0)).title("Marker"));
    }
}

public void onConnected(Bundle bundle) {

    if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
        return;
    }
        Location location = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
        if (location == null) {
            LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, this);
        }
        handleNewLocation(location);
        mMap.setMyLocationEnabled(true);
}

private void handleNewLocation(Location location) {
    LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

    if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
        return;
    }
    double currentLatitude = location.getLatitude();
    double currentLongitude = location.getLongitude();
    LatLng latLng = new LatLng(currentLatitude, currentLongitude);

    mMap.moveCamera(CameraUpdateFactory.newLatLng(latLng));
    MarkerOptions options = new MarkerOptions().position(latLng).title("I am here!");
    mMap.addMarker(options);
}

@Override
public void onConnectionSuspended(int i) {

}

@Override
public void onConnectionFailed(ConnectionResult connectionResult) {

}

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

@Override
public void onMapReady(GoogleMap googleMap) {
    mMap = googleMap;
    if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
        return;
    }
        mMap.setMyLocationEnabled(true);
        MapFragment mapFragment = (MapFragment) getFragmentManager().findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);

}

}