Application.RequestUserAuthorization

描述

请求授权在 iOS 中使用网络摄像头或麦克风。

调用 Application.RequestUserAuthorization 时，将请求获得麦克风和摄像机的许可权。应用程序向用户显示一个对话框并等待操作完成，然后才能使用这些功能。

**注意：**使用 Application.HasUserAuthorization 可查询操作结果。

using UnityEngine;
using UnityEngine.iOS;
using System.Collections;

// Show WebCams and Microphones on an iPhone/iPad.
// Make sure NSCameraUsageDescription and NSMicrophoneUsageDescription
// are in the Info.plist.

public class ExampleClass : MonoBehaviour
{
    IEnumerator Start()
    {
        findWebCams();

        yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);
        if (Application.HasUserAuthorization(UserAuthorization.WebCam))
        {
            Debug.Log("webcam found");
        }
        else
        {
            Debug.Log("webcam not found");
        }

        findMicrophones();

        yield return Application.RequestUserAuthorization(UserAuthorization.Microphone);
        if (Application.HasUserAuthorization(UserAuthorization.Microphone))
        {
            Debug.Log("Microphone found");
        }
        else
        {
            Debug.Log("Microphone not found");
        }
    }

    void findWebCams()
    {
        foreach (var device in WebCamTexture.devices)
        {
            Debug.Log("Name: " + device.name);
        }
    }

    void findMicrophones()
    {
        foreach (var device in Microphone.devices)
        {
            Debug.Log("Name: " + device);
        }
    }
}