unity动态申请android权限

 public void PermissionRequest()
{
    
    
            string str = UnityEngine.SystemInfo.deviceUniqueIdentifier;
            Permission.RequestUserPermission("android.permission.READ_PHONE_STATE");
            
            m_text.text = "hello" + str + "aaa";
            if (Permission.HasUserAuthorizedPermission("android.permission.READ_PHONE_STATE"))
            {
    
    
                m_text.text += "succeed";
            }
            else
            {
    
    
                m_text.text += "failed";
            }
}