ios - how to set Orientation after launch on iPhone

Question

i Will like to know how to auto rotate iphone after launch.

my launch image is in portraits but the app itself are in landscape.

after launch the orientation are still in portraits instead of auto rotate to landscape.

this is my info.plist

in my root view controller

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    // Return YES for supported orientations
    return ((interfaceOrientation == UIInterfaceOrientationLandscapeLeft) || (interfaceOrientation == UIInterfaceOrientationLandscapeRight));

}

Answer 1

as shown in the image, set the marked value for landscape mode..