強行觸發shouldAutorotateToInterfaceOrientation

// 先可通過UIApplication的setStatusBarOrientation方法更改狀態條方向

// 然後以下代碼實現強制觸發shouldAutorotateToInterfaceOrientation

UIWindow *window = [[UIApplication shareApplication] keyWindow];
UIView *view = [window.subviews objectAtIndex:0];
[view removeFromSuperview];
[window addSubview:view];