[Android-development] orientationChanged() not propagated on Android.

[Wiktor Grębla]

Thanks for your reply Ekke.

I've tried https://wiki.qt.io/QML_orientation_observer and it works in
QtQuick.
No luck so far in QtWidgets.

W.

2016-06-24 12:31 GMT+02:00 ekke <ekke at ekkes-corner.org>:

> just did a short test (Qt 5.7, QuickControls2 APP)
>
> tested Android 6.0.1 on BlackBerry PRIV:
> orientation change works between Portrait and Landscape
> but from Landscape to InvertedLandscape or from InvertedLandscape to
> Landscape there was no signal
> for me no problem - don't have to distinguish
> InvertedPortrait couldn't be tested because my device doesn't allow this
>
> tested on iOS 9.3 (iPhone 6s)
> all signals are coming in
>
> ciao
>
> ekke
>
> Am 24.06.16 um 11:40 schrieb Wiktor Grębla:
>
> Hi guys.
>
> I've been trying to use orientationChanged signal to react on orientation
> changes but somehow can't get it to work.
>
> I've seen some old threads with similar reports (Qt-5.3) but I'm more keen
> to believe that I'm doing something wrong rather than it's not working.
>
> I've tried it on Qt-5.6 and now on Qt-5.7:
>
> #include "mainwindow.h"
>
> #include "ui_mainwindow.h"
>
> #include <QScreen>
>
> MainWindow::MainWindow(QWidget *parent) :
>
>     QMainWindow(parent),
>
>     ui(new Ui::MainWindow)
>
> {
>
>     ui->setupUi(this);
>
>     QScreen * screen = QGuiApplication::primaryScreen();
>
>     connect(screen, SIGNAL(orientationChanged(Qt::ScreenOrientation)), this, SLOT(onRotate(Qt::ScreenOrientation)));
>
>     screen->setOrientationUpdateMask(Qt::PortraitOrientation| Qt::LandscapeOrientation| Qt::InvertedPortraitOrientation| Qt::InvertedLandscapeOrientation);
>
> }
>
> void MainWindow::onRotate(Qt::ScreenOrientation)
>
> {
>
>     ui->label->setText("Rotated!");
>
> }
>
> MainWindow::~MainWindow()
>
> {
>
>     delete ui;
>
> }
>
> I'll be grateful for any hints or suggestions.
>
> Cheers,
>
> W.
>
>
> --
> Talkers are no good doers.
>
>
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>


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