AdditionalUIWindow.xm

#define UPDATE_ORIENTATION_NOTI CFSTR("iolate/UpdateOrientation")

static UIWindow* additionalWindow = nil;
static UIView* mainViewInWindow = nil;

static void updateOrientation(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo) {

    UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation;
    int orientation_ = 0;
    
    switch (orientation) {
        case UIInterfaceOrientationPortraitUpsideDown:
            orientation_ = 180;
            break;
        case UIInterfaceOrientationLandscapeLeft:
            orientation_ = -90;
            break;
        case UIInterfaceOrientationLandscapeRight:
            orientation_ = 90;
            break;
        case UIInterfaceOrientationPortrait:
        default:
            orientation_ = 0;
    }

    [UIView animateWithDuration:0.3f animations:^{
        additionalWindow.transform = CGAffineTransformMakeRotation(orientation_ * M_PI / 180.0f);
        [additionalWindow setFrame:[[UIScreen mainScreen] bounds]];
        [mainViewInWindow setFrame:[beeWindow bounds]];
    } completion:nil];
}


%ctor {

    CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(), NULL, &updateOrientation, UPDATE_ORIENTATION_NOTI, NULL, CFNotificationSuspensionBehaviorCoalesce);

    additionalWindow = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    mainViewInWindow = [[UIView alloc] initWithFrame:[beeWindow bounds]];
    [mainViewInWindow setAutoresizesSubviews:YES];
    [additionalWindow addSubview:mainViewInWindow];

}

Tweak-SpringBoard.xm

#define UPDATE_ORIENTATION_NOTI CFSTR("iolate/UpdateOrientation")

%hook SpringBoard

-(void)frontDisplayDidChange {
    //iOS3.2-5
    %orig;

    CFNotificationCenterPostNotification(CFNotificationCenterGetDarwinNotifyCenter(), UPDATE_ORIENTATION_NOTI, NULL, NULL, true);
}

- (void)noteInterfaceOrientationChanged:(int)orientation {
    //iOS3.2-5
    %orig;
    
    CFNotificationCenterPostNotification(CFNotificationCenterGetDarwinNotifyCenter(), UPDATE_ORIENTATION_NOTI, NULL, NULL, true);
}

-(void)noteInterfaceOrientationChanged:(int)orientation duration:(double)duration {
    //iOS6
    %orig;
    
    dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, NSEC_PER_SEC / 5);
    dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
        CFNotificationCenterPostNotification(CFNotificationCenterGetDarwinNotifyCenter(), UPDATE_ORIENTATION_NOTI, NULL, NULL, true);
    });
}

%end