iOS Swift3.0实现视频播放横竖屏切换效果

关键代码:

添加检测设备方向的通知:

UIDevice.current.beginGeneratingDeviceOrientationNotifications() // 检测设备方向 NotificationCenter.default.addObserver(self, selector: #selector(deviceOrientationChange), name: NSNotification.Name.UIDeviceOrientationDidChange, object: nil)

设备方向改变调用:

/// 设备方向改变 @objc fileprivate func deviceOrientationChange() { // 获取当前设备方向 let orientation = UIDevice.current.orientation // 如果手机硬件屏幕朝上或者屏幕朝下或者未知 if orientation == UIDeviceOrientation.faceUp || orientation == UIDeviceOrientation.faceDown || orientation == UIDeviceOrientation.unknown { return } // UIDeviceOrientation 和 UIInterfaceOrientation 方向转换 let interfaceOrientation: UIInterfaceOrientation = UIInterfaceOrientation(rawValue: orientation.rawValue)! switch interfaceOrientation { //屏幕竖直,home键在上面 case UIInterfaceOrientation.portraitUpsideDown: break //屏幕竖直,home键在下面 case UIInterfaceOrientation.portrait: toOrientation(orientation: UIInterfaceOrientation.portrait); break //屏幕水平,home键在左 case UIInterfaceOrientation.landscapeLeft: toOrientation(orientation: UIInterfaceOrientation.landscapeLeft); break //屏幕水平,home键在右 case UIInterfaceOrientation.landscapeRight: toOrientation(orientation: UIInterfaceOrientation.landscapeRight); break default: break } } /// 旋转 private func toOrientation(orientation: UIInterfaceOrientation) { //获取当前状态栏的方向 let currentOrientation = UIApplication.shared.statusBarOrientation //如果当前的方向和要旋转的方向一致,直接return if currentOrientation == orientation { return } //根据要旋转的方向,重新布局 if orientation != UIInterfaceOrientation.portrait { // 从全屏的一侧直接到全屏的另一侧不修改 if currentOrientation == UIInterfaceOrientation.portrait { label.snp.makeConstraints({ (make) in make.width.equalTo(UIScreen.main.bounds.size.height) make.height.equalTo(UIScreen.main.bounds.size.width) make.center.equalTo(UIApplication.shared.keyWindow!) }) } } //状态栏旋转 UIApplication.shared.setStatusBarOrientation(orientation, animated: false) UIView.beginAnimations(nil, context: nil) UIView.setAnimationDuration(0.35) label.transform = CGAffineTransform.identity label.transform = getTransformRotationAngle() UIView.commitAnimations() } /// 获取旋转角度 private func getTransformRotationAngle() -> CGAffineTransform { let interfaceOrientation = UIApplication.shared.statusBarOrientation if interfaceOrientation == UIInterfaceOrientation.portrait { return CGAffineTransform.identity } else if interfaceOrientation == UIInterfaceOrientation.landscapeLeft { return CGAffineTransform(rotationAngle: (CGFloat)(-M_PI_2)) } else if (interfaceOrientation == UIInterfaceOrientation.landscapeRight) { return CGAffineTransform(rotationAngle: CGFloat(M_PI_2)) } return CGAffineTransform.identity }

在Info.plist中通添加View controller-based status bar appearance并设置值为NO(why)

Demo效果:

DEMO完整代码