[SOLVED] Trying to prevent orientation change on an iPhone 4

Trying to prevent orientation change on an iPhone 4

I have a rotation (orientation change) issue in an iOS app. The app has several view controllers to navigate.

I want it to be possible to rotate except for iPhone 4 (3.5 inches devices). On a 3.5 inches device it shoulld always stay in portrait mode.

I am able to prevent direct rotation, that is when inside a view controller, if the user holds the device in portrait mode an them in landscape mode nothing happens. This is exactly what I want.

Problems happen when changing view controller while holding in landscape mode. In this case the new view controller shows up in landscape mode, and I don't want that.

I tried to use

- (BOOL)shouldAutorotate;

returning NO when the device is 3.5 inches but that does not work.

How can I prevent this behavior?

I may need to add one detail: the 3.5 inches device I am using to test runs iOS version 9.3.5.

I am using Xcode 9.4.1.

Solution

You can use the method supportedInterfaceOrientations.

For example:

Objective c

-(UIInterfaceOrientationMask)supportedInterfaceOrientations
{
    //return your preferred orientation 
    return UIInterfaceOrientationMaskPortrait;
}