Why cannot set screenGeometry on imx8 wayland backend

[Aplix]

code:
widget1::widget1(QWidget *parent) :
QWidget(parent),
ui(new Ui::widget1)
{
ui->setupUi(this);
m_desktopWidget = QApplication::desktop();
QRect rect = m_desktopWidget->screenGeometry(1);
this->setGeometry(0,0,800,480);
}

I can not set the screen by screenGeometry .
I cant not set coordinate system by setGeometry.
How to fix it on wayland? It is works fine on X11

[jsulm]

@Aplix said in Why cannot set screenGeometry on imx8 wayland backend:

I can not set the screen by screenGeometry .

You are not setting the geometry based on screen geometry at all! You set it fixed to 0,0,800,480.
Should be:

QRect rect = m_desktopWidget->screenGeometry(1);
this->setGeometry(rect);