iOS获取相机、麦克风权限及异步结果回调

info.plist添加权限申请

• 相机权限

Privacy - Camera Usage Description

• 麦克风权限

Privacy - Microphone Usage Description

引入AVFoundation

import AVFoundation

权限申请

• 相机权限申请及结果回调

/// 获取相机权限
AVCaptureDevice.requestAccess(for: .video) { (granted) in
    /// 结果回调
}

• 麦克风权限申请及结果回调

/// 获取麦克风权限
AVCaptureDevice.requestAccess(for: .audio) { (granted) in
    /// 结果回调
}