将此代码用于当前位置：
googleMap.setMapType(GoogleMap.MAP_TYPE_NORMAL);if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { // TODO: Consider calling // ActivityCompat#requestPermissions // here to request the missing permissions, and then overriding // public void onRequestPermissionsResult(int requestCode, String[] permissions, // int[] grantResults) // to handle the case where the user grants the permission. See the documentation // for ActivityCompat#requestPermissions for more details. return;}googleMap.setMyLocationEnabled(true);googleMap.getUiSettings().setZoomControlsEnabled(false);googleMap.getUiSettings().setMyLocationButtonEnabled(true);googleMap.getUiSettings().setCompassEnabled(true);googleMap.getUiSettings().setRotateGesturesEnabled(true);googleMap.getUiSettings().setZoomGesturesEnabled(true);if (locationManager == null) { locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);}if (locationManager.getAllProviders().contains(LocationManager.GPS_PROVIDER)) { isGPSEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER); isNetworkProviderEnabled = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER); if (isGPSEnabled) { location = getLastLocationByProvider(locationManager, LocationManager.GPS_PROVIDER, getApplicationContext()); } else if (isNetworkProviderEnabled) { location = getLastLocationByProvider(locationManager, LocationManager.NETWORK_PROVIDER, getApplicationContext()); } if (location != null) { latitude = location.getLatitude(); longitude = location.getLongitude(); } else { if (isNetworkProviderEnabled) { locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 100000, 1, this); provider_info = LocationManager.NETWORK_PROVIDER; } else if (isGPSEnabled) { locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 100000, 1, this); provider_info = LocationManager.GPS_PROVIDER; } else { alertDialog = Util.showOkDialog(new View.onClickListener() { @Override public void onClick(View view) { if (Env.currentActivity != null) { if (Env.currentActivity instanceof LocationActivity) { try { gotoSettings(); } catch (Exception e) { e.printStackTrace(); } } } if (alertDialog != null) { alertDialog.dismiss(); alertDialog = null; } } }, this.getResources().getString(R.string.location_service_validation)); } location = locationManager.getLastKnownLocation(provider_info); if (location != null) { latitude = location.getLatitude(); longitude = location.getLongitude(); } } MarkerOptions marker = new MarkerOptions().position( new LatLng(latitude, longitude)) .title(getFullAddressLine(this)); marker.icon(BitmapDescriptorFactory .defaultMarker(BitmapDescriptorFactory.HUE_GREEN)); googleMap.addMarker(marker); CameraPosition cameraPosition = new CameraPosition.Builder() .target(new LatLng(latitude, longitude)).zoom(15).build(); googleMap.animateCamera(CameraUpdateFactory .newCameraPosition(cameraPosition));}
