将按钮添加到AVPlayerViewController的顶部或底部栏

import AVKit

class CustomPlayerViewController: AVPlayerViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // 创建自定义按钮
        let customButton = UIButton(type: .custom)
        customButton.setTitle("Custom Button", for: .normal)
        customButton.addTarget(self, action: #selector(customButtonTapped), for: .touchUpInside)
        
        // 获取顶部栏
        if let topBarItems = self.topToolbarItems {
            // 将自定义按钮添加到顶部栏按钮数组
            var updatedItems = topBarItems
            updatedItems.append(UIBarButtonItem(customView: customButton))
            
            // 更新顶部栏按钮数组
            self.topToolbarItems = updatedItems
        }
    }
    
    @objc func customButtonTapped() {
        // 自定义按钮点击事件处理
        print("Custom button tapped!")
    }
}