QQC2: SwipeView is not working as expected

import QtQuick 2.6
import QtQuick.Layouts 1.0
import Qt.labs.controls 1.0

ApplicationWindow {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    header: PageIndicator {
        id: pi
        interactive: true
        count: views.count
        currentIndex: views.currentIndex
    }

    SwipeView {
        id: views
        anchors.fill: parent
        currentIndex: pi.currentIndex
        TextArea {
            id: vertextShader
            placeholderText: qsTr("Text Area 1")
        }

        TextArea {
            id: fragmentShader
            placeholderText: qsTr("Text Area 2")
        }
        Item {

        }
        Flickable {
            clip: true
            contentHeight: content.height
            contentWidth: content.width
            Grid {
                id: content
                columns: 8
                Repeater {
                    model:  80
                    delegate: Button {
                        height: width
                        text: "GL_TEXTURE" + modelData
                        background: Image {
                            id: image
                        }
                    }
                }
            }
        }
    }
}

ApplicationWindow {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    header: PageIndicator {
        id: pi
        interactive: true
        count: views.count
        currentIndex: views.currentIndex
    }

    SwipeView {
        id: views
        anchors.fill: parent
        currentIndex: pi.currentIndex
        Column {
            anchors.horizontalCenter: parent.horizontalCenter
            Label {
                anchors.horizontalCenter: parent.horizontalCenter
                horizontalAlignment: Text.AlignHCenter
                text: qsTr("Test 1")
            }
            Label {
                anchors.horizontalCenter: parent.horizontalCenter
                style: Text.Normal
                textFormat: Text.RichText
                text: qsTr("<p>
                        bla bla bla page 1 </p>")
                onLinkActivated: Qt.openUrlExternally(link);
            }
        }
        Column {
            Label {
                anchors.horizontalCenter: parent.horizontalCenter
                horizontalAlignment: Text.AlignHCenter
                text: qsTr("Test 2")
            }
            Label {
                anchors.horizontalCenter: parent.horizontalCenter
                style: Text.Normal
                textFormat: Text.RichText
                text: qsTr("<p>
                        bla bla bla page 2 </p>")
                onLinkActivated: Qt.openUrlExternally(link);
            }
        }
        Column {
            Label {
                anchors.horizontalCenter: parent.horizontalCenter
                horizontalAlignment: Text.AlignHCenter
                text: qsTr("Test 3")
            }
            Label {
                anchors.horizontalCenter: parent.horizontalCenter
                style: Text.Normal
                textFormat: Text.RichText
                text: qsTr("<p>
                        bla bla bla page 3 </p>")
                onLinkActivated: Qt.openUrlExternally(link);
            }
        }
    }
}