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));
}
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