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Qt on IOS
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Finally, though it took a couple of days.... (helps if you read the docs I guess....) got Runtime for Qt over on IOS..... problems is GPS location does not work.... centers in at 0,0 for wkid 4326. Also any layers that use https: will not display?? getting this error??
QObject::connect: Incompatible sender/receiver arguments
QNetworkSessionPrivateImpl::usagePoliciesChanged(QNetworkSession::UsagePolicies) --> QNetworkSession::usagePoliciesChanged(QNetworkSession::UsagePolicies)
hmmmm.... has me scratching my head and I must admit that I am still getting used to the cryptic error messages that Qt usually gives.
Taking a swing at things I am wondering if these issues have something to do with the Info.plist???? Do I need to add some keys?? I did read in the docs that Qt does support Https over rest... which I am doing?? Any suggestions ?? I know things are in Beta but was hoping to generate some excitement for Ipads.
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Brian,
For the GPS Position, this should work- we use this internally all the time. Can you share your code? The below code works for me on iOS (and other platforms).
import QtQuick 2.3
import QtQuick.Controls 1.2
import QtPositioning 5.3
import ArcGIS.Runtime 10.3
ApplicationWindow {
id: appWindow
width: 800
height: 600
title: "ios position"
Map {
anchors.fill: parent
wrapAroundEnabled: true
focus: true
ArcGISTiledMapServiceLayer {
url: "http://services.arcgisonline.com/ArcGIS/rest/services/NatGeo_World_Map/MapServer"
}
positionDisplay {
positionSource: PositionSource {
id: positionSource
onPositionChanged: {
console.log(position.coordinate.longitude);
console.log(position.coordinate.latitude);
}
}
}
}
Button {
anchors {
left: parent.left
top: parent.top
margins: 15
}
text: "show position"
onClicked: positionSource.active = true;
}
}
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And as far as the https, I gave this a try with an internal dynamic map service, and it works. In this case, it uses https, but doesn't require credentials. Are you using a different layer, such as a feature layer or tiled layer? Do you require the user to enter credentials? If so, please look at the User Credentials Online sample in the sample app. You can use the identify manager to notify if you require credentials or not.
ArcGISTiledMapServiceLayer {
url: "http://services.arcgisonline.com/ArcGIS/rest/services/NatGeo_World_Map/MapServer"
}
ArcGISDynamicMapServiceLayer {
url: "https://servername:6080/arcgis/rest/services/Map6/MapServer"
}
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Here is the code for the Location, I have tried this on an Ipad 2 and also an Air 2 with the same Results-publishing to Android works fine though .... Save there is no Compass support on Android.
I have removed the specific server as were not to make the Services Public Quite yet, Also Removing the s out of HTTPS: works?? the services have had the token removed and seem to work fine just using http? This is odd because in the other runtimes this will not work (iOS, Android and .Net)... hmmmm
Thanks for the speedy response back
import QtQuick 2.1
import QtQuick.Controls 1.0
import QtQuick.Dialogs 1.2
import QtQuick.Window 2.0
import QtQuick.Layouts 1.1
import ArcGIS.Runtime 10.3
import ArcGIS.Runtime.Toolkit.Dialogs 1.0
import QtPositioning 5.3
import QtSensors 5.3
ApplicationWindow {
id: appWindow
width: 320
height: 480
title: "WrmsLite"
Rectangle{anchors.fill: parent
property int hitFeatureId:0
property variant attrValue
property real scaleFactor: 1
property bool settingsView: true
states:[
State{
name:"Settings"
when:settingsDisplay
changes:[
PropertyChanges {
target: settingsDisplay
anchors.fill:parent},
PropertyChanges{
target:mainMap
visible:false}
] } ]Rectangle{
id:settingsDisplay
anchors.fill: parent
color:"white"
}GeodatabaseFeatureServiceTable{
id:incidentsFeatureService
url:"https://SERVER/arcgis/rest/services/WRMS/Incidents/MapServer/0"
}Map{
property Point locationPoint: Point{
property bool valid: false
spatialReference: SpatialReference{
wkid: 4326
} }id:mainMap
anchors.fill: parent
ArcGISTiledMapServiceLayer{
id:basemap
url:"http://Server/arcgis/rest/services/USA_Topo_Maps/MapServer"
}ArcGISDynamicMapServiceLayer{
id:publicOwnership
url:"https://Server/arcgis/rest/services/WebMercator/PublicOwnership/MapServer"
opacity: 0.4
}ArcGISDynamicMapServiceLayer{
id:plss
url: "https://Server/arcgis/rest/services/WebMercator/PLSS/MapServer"
}ArcGISDynamicMapServiceLayer{
id:lightning24
url:"https://Server/arcgis/rest/services/WebMercator/Lightning24hours/MapServer"
}//ArcGISDynamicMapServiceLayer{
// id:incidents
// url:"https://Server/arcgis/rest/services/WRMS/Incidents/MapServer"
//}
FeatureLayer{
id:incidentsFeatureLayer
featureTable: incidentsFeatureService
}positionDisplay{
compass:Compass{
id:compass
}positionSource: PositionSource{
id:positionSource
onPositionChanged: {
mainMap.locationPoint.valid = position.latitudeValid&&position.longitudeValid;
mainMap.locationPoint.x = position.coordinate.longitude;
mainMap.locationPoint.y = position.coordinate.latitude;
locationPointChanged(); } }onError: {
console.log("There was an error with the Positional Display... Not sure as to why")
} }onMapReady:extent=oregonExtent
onMouseClicked: {
var features = incidentsFeatureLayer.findFeatures(mouse.x,mouse.y,0,1);
for (var i=0;i<features.length;i++)
{hitFeatureId =features[i];
getFields(features);
identifyDialog.title = "ObjectID" + hitFeatureId;;
identifyDialog.visible = true;
} } }ServiceInfoTask{
}SimpleDialog {
id: identifyDialog
title: "Object ID: " + hitFeatureId
height: (column.height * 1.3) * scaleFactor
width: (column.width * 1.05) * scaleFactor
Column {
id: column
spacing: 5 * scaleFactor
anchors.centerIn: parent
Repeater {
model: fieldsModel
Row {
id: row
spacing: (80 * scaleFactor) - nameLabel.width
Label {
id: nameLabel
text: name + ": "
font.pixelSize: 10 * scaleFactor
}Label {
text: value
font.pixelSize: 10 * scaleFactor
} } } }onRejected: {
hitFeatureId = 0;
} }Envelope{
id:oregonExtent
xMin:-13884932.6524728
xMax:-12942012.5881222
yMin:5152699.92331632
yMax:5836354.32813466
spatialReference: SpatialReference{
wkid: 102100
} }ListModel{
id:fieldsModel
}ListModel{
id:layers
}ListModel{
id:basemapLayers
}Rectangle{
id:topBar
color: "black"
height:parent.height/10
width:parent.width
opacity: .75
Text{
id:latLonPostionalData
visible:positionSource.active
color:"white"
anchors.left: parent.left
anchors.leftMargin: 10
anchors.verticalCenter: parent
}Button{
id:gpsButton
iconSource: "qrc:/Resources/GpsIcon.png"
width: parent.height - parent.height * .1
height: parent.height - parent.height * .1
anchors.verticalCenter: parent.verticalCenter
anchors.right: parent.right
anchors.rightMargin: 10
onClicked: {
positionSource.active = true;
compass.active = true;
console.log("Hey you just clicked the button to turn the gps on" + qsTr(mainMap.positionDisplay.mode.toString()))
} } }function getFields( featureLayer ) {
fieldsModel.clear();
var fieldsCount = incidentsFeatureLayer.featureTable.fields.length;
for ( var f = 0; f < fieldsCount; f++ ) {
var fieldName = incidentsFeatureLayer.featureTable.fields[f].name;
attrValue = incidentsFeatureLayer.featureTable.feature(hitFeatureId).attributeValue(fieldName);
if ( fieldName !== "Shape" ) {
var attrString = attrValue;
fieldsModel.append({"name": fieldName, "value": attrString});
} } }function locationPointChanged(){
latLonPostionalData.text = "Lat: "+positionSource.position.coordinate.latitude+" Lon: "+positionSource.position.coordinate.longitude+" Alt: "+positionSource.position.coordinate.altitude;
}}
}
