import QtQuick 2.15
import QtQuick.Window 2.15

Window {
    width: 640
    height: 480
    visible: true

    ListView {
        id: view
        anchors.fill: parent

        model: 20
        snapMode: ListView.SnapOneItem

        delegate: Rectangle {
            width: view.width
            height: view.height
            color: Qt.rgba(Math.random(), Math.random(), Math.random(), 1.0)
        }
    }
}