[英]ReverseGeocoding in BlackBerry 10
could anyone tell me how to do Reverse geocoding in BB10. 谁能告诉我如何在BB10中进行反向地理编码。 I have got latitude , longitude and now I need to convert it into address.
我有经度和纬度,现在需要将其转换为地址。
BB10本机文档站点https://developer.blackberry.com/native/documentation/cascades/device_platform/location/geocoding.html上有地理编码和反向地理编码的C ++示例,您看到了吗?
I have done following code but having problem in that. 我已经完成了以下代码,但是在其中遇到了问题。
QGeoCoordinate GCoor(lat,lang);
//Reverse GeoCoding
QStringList serviceProviders =
QGeoServiceProvider::availableServiceProviders();
if (serviceProviders.size()) {
QGeoServiceProvider *serviceProvider = new QGeoServiceProvider(
serviceProviders.at(0));
QGeoSearchManager *searchManager = serviceProvider->searchManager();
//searchManager->setProperty("boundary", "city");
reply = searchManager->reverseGeocode(GCoor);
bool finished_connected = QObject::connect(reply, SIGNAL(finished()),
this, SLOT(readReverseGeocode()));
bool error_connected = QObject::connect(reply,
SIGNAL(error(QGeoSearchReply::Error, QString)), this,
SLOT(reverseGeocodeError(QGeoSearchReply::Error, QString)));
//Reverse GeoLocation
void LocationHandler::readReverseGeocode() {
QList<QGeoPlace> LocDetList = reply->places();
QGeoPlace locDe = LocDetList.at(0);
qDebug() << "City --> " << locDe.address().state();
qDebug() << "Country Code --> " << locDe.address().countryCode();
qDebug() << "Country --> " << locDe.address().country();
reply->deleteLater();
}
`void LocationHandler::reverseGeocodeError(QGeoSearchReply::Error error,
QString errorString) {
qDebug() << "( Geo::reverseGeocodeError ) " << errorString;
reply->deleteLater();
}
The application is exiting at this line in this code - 该应用程序正在此代码中的这一行退出-
QGeoPlace locDe = LocDetList.at(0);
whats the problem here? 这里有什么问题?
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