Develop a Parking App

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import QtQuick 2.10 import Example.Parking.simulation 1.0 QtObject { property var settings : IviSimulator.findData(IviSimulator.simulationData, "ParkingInfo") property bool defaultInitialized: false property LoggingCategory qLcParkingInfo: LoggingCategory { name: "example.parking.simulation.parkinginfobackend" } property var backend : ParkingInfoBackend { function initialize() { console.log(qLcParkingInfo, "INITIALIZE") if (!defaultInitialized) { IviSimulator.initializeDefault(settings, backend) defaultInitialized = true } Base.initialize() } property var timer: Timer { interval: 5000 running: true repeat: true onTriggered: { var min = Math.ceil(-5) var max = Math.floor(5) var delta = Math.floor(Math.random() * (max - min +1)) + min; var newValue = Math.max(0, backend.freeLots + delta); backend.freeLots = newValue; } } } }