Once you are ready, let's open up mainwindow.ui and remove the menuBar, toolBar, and statusBar as we don't need any of those in this project:
After that, drag a QQuickWidget from the widget box to the UI canvas. Then, click on the Lay Out Horizontally button located at the top of the canvas to add layout properties to it:
Then, set all the margin properties of the central widget to 0:
Next, we need to create a new file ...