Project orientation depends on Width and Height value. If Height is larger than Width, project is in portrait orientation; if Width is larger than Height, project is in landscape orientation.
Change orientation
To change project orientation:
1.
Select Project in Navigator
2.
Open Project Inspector
3.
Open Settings tab
4.
Swap Width and Height values
Auto orientation
To lock project orientation (ignore device orientation):
1.
Select Project in Navigator
2.
Open Project Inspector
3.
Open Settings tab
4.
Select Current from Orientation list
To adapt project orientation (redraw content in new orientation):