QML/Get GPS data

Revision as of 01:01, 26 November 2011

Code snippet that draws ui and shows GPS data and accuracy, also with GPS on/off switch if one wants to conserve power.

• Made by: Ossipena
• Modified by: Venemo

main.qml

import QtQuick 1.1
import com.nokia.meego 1.0

PageStackWindow {
    id: appWindow
    initialPage: mainPage

    MainPage {
        id: mainPage
    }
    ToolBarLayout {
        id: commonTools
        visible: true
        parent: appWindow.pageStack.currentPage

        Button {
            text: "View trackings"
            height: parent.height
        }
        ToolIcon {
            platformIconId: "toolbar-view-menu";
        }
    }
}

MainPage.qml

import QtQuick 1.1
import com.nokia.meego 1.0
import Qt 4.7
import QtMobility.location 1.1

Page {
    id: mainPage
    tools: commonTools

    function printableMethod(method) {
        if (method == PositionSource.SatellitePositioningMethod)
            return "Satellite";
        else if (method == PositionSource.NoPositioningMethod)
            return "Not available";
        else if (method == PositionSouce.NonSatellitePositioningMethod)
            return "Non-satellite";
        else if (method == PositionSource.AllPositioningMethods)
            return "All/multiple"
        return "source error";
    }

    //init GPS etc
    PositionSource {
        id: positionSource
        updateInterval: 1000
        //active: false
        active: gpsswitch.checked
    }

    Grid {
        id: positiondata
        anchors.top: parent.top
        anchors.topMargin: 50
        anchors.left:  parent.left
        anchors.leftMargin: 10
        columns: 2
        spacing: 5

        Text {
            id:latitudelabel
            font.pointSize: 32
            text: "Latitude:"
        }
        Text {
            id: latitudetext
            font.pointSize: 32
            text: positionSource.position.coordinate.latitude
        }
        Text {
            id:longitudelabel
            font.pointSize: 32
            text: "Longitude: "
        }
        Text {
            id: longitudetext
            font.pointSize: 32
            text: positionSource.position.coordinate.longitude
        }
        Text{
            id:accuracylabel1
            font.pointSize:  16
            text: "Horizontal accuracy:"
        }
        Text{
            id: horiz_accuracy
            font.pointSize: 16
            text: positionSource.position.horizontalAccuracy
        }
        Text {
            id:heightlabel
            font.pointSize: 32
            text: "Height: "
        }
        Text {
            id: heighttext
            font.pointSize: 32
            text: positionSource.position.coordinate.altitude
        }
        Text{
            id:accuracylabel2
            font.pointSize:  16
            text: "Altitude accuracy:"
        }
        Text{
            id: vert_accuracy
            font.pointSize: 16
            text: positionSource.position.verticalAccuracy
        }
    }
    Item {
        id: switchrow
        width: 300
        anchors.top:  positiondata.bottom
        anchors.left:  positiondata.left
        anchors.topMargin: 50

        // Switch for power saving: toggle gps on/off
        Text {
            id:switchtext
            anchors.left: parent.left
            font.pointSize: 32
            text: gpsswitch.checked ? "GPS ON" : "GPS OFF"
        }
        Switch {
            id: gpsswitch
            checked: false
            anchors.left: switchtext.right
            anchors.leftMargin: 50
        }
    }
}