AdaptivePageLayout doesn't allow hiding a Page header

[Michael Zanetti]

Trying to port reminders-app to use an APL instead of my home-brew multicolumn thing, I noticed that it's no longer possible to hide a Page's header using:

head {
  visible: false
  locked: true
}

This was hiding the page header successfully with a PageStack, however, inside an AdaptivePageLayout it doesn't work any more.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Tim Peeters (tpeeters)]

With the new PageHeader, it is possible to show/hide the header for each column individually. See the introduction here: https://developer.ubuntu.com/en/blog/2016/02/24/pageheader-tutorial/

Example code to show/hide the header:

import QtQuick 2.4
import Ubuntu.Components 1.3

MainView {
    width: units.gu(100)
    height: units.gu(70)

    AdaptivePageLayout {
        id: apl
        anchors.fill: parent
        primaryPage: page0

        Page {
            id: page0
            header: PageHeader { title: "aloha" }
            Button {
                anchors.centerIn: parent
                text: "add page -->"
                onClicked: apl.addPageToNextColumn(page0, page1)
            }
        }

        Page {
            id: page1
            header: PageHeader {
                title: "You can hide me"
                exposed: false
            }
            Switch {
                id: exposedSwitch
                anchors.centerIn: parent
                checked: page1.header.exposed
                onTriggered: page1.header.exposed = !page1.header.exposed
            }
            Label {
                anchors {
                    right: exposedSwitch.left
                    verticalCenter: exposedSwitch.verticalCenter
                }
                text: "Show header: "
            }
        }
    }
}