UIVideoEditorController_Simulator.m

#import "ViewController.h"
#import <objc/message.h>
#import <dlfcn.h>

OBJC_EXPORT id objc_msgSendSuper2(void);

extern BOOL UIImagePickerLoadPhotoLibraryIfNecessary(void);

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = UIColor.systemBackgroundColor;
    
    NSURL *demoURL = [NSBundle.mainBundle URLForResource:@"demo" withExtension:@"mp4"];
    
    __block typeof(self) unretainedSelf = self;
    
    UIButton *videoEditorControllerButton = [UIButton systemButtonWithPrimaryAction:[UIAction actionWithTitle:@"UIVideoEditorController" image:nil identifier:nil handler:^(__kindof UIAction * _Nonnull action) {
        // Loads PhotoLibrary Framework
        UIImagePickerLoadPhotoLibraryIfNecessary();
        
        UIVideoEditorController *videoEditorViewController = [UIVideoEditorController alloc];
        
        struct objc_super superInfo = { videoEditorViewController, [videoEditorViewController class] };
        videoEditorViewController = ((id (*)(struct objc_super *, SEL))objc_msgSendSuper2)(&superInfo, @selector(init));
        
        videoEditorViewController.videoPath = [demoURL path];
        
        [unretainedSelf presentViewController:videoEditorViewController animated:YES completion:nil];
        [videoEditorViewController release];
    }]];
    
    videoEditorControllerButton.translatesAutoresizingMaskIntoConstraints = NO;
    
    [self.view addSubview:videoEditorControllerButton];
    
    [NSLayoutConstraint activateConstraints:@[
        [videoEditorControllerButton.topAnchor constraintEqualToAnchor:self.view.topAnchor],
        [videoEditorControllerButton.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor],
        [videoEditorControllerButton.trailingAnchor constraintEqualToAnchor:self.view.trailingAnchor],
        [videoEditorControllerButton.bottomAnchor constraintEqualToAnchor:self.view.bottomAnchor],
    ]];
}

@end