将 Facebook SDK 添加到 Unity 时如何解决 Win32Exception 错误？答案

【问题标题】：How to fin Win32Exception Error when adding Facebook SDK to Unity?将 Facebook SDK 添加到 Unity 时如何解决 Win32Exception 错误？
【发布时间】：2019-04-15 19:08:18
【问题描述】：

将 Facebook SDK 添加到 Unity 后，我收到此错误，并且 Android Build Facebook 设置没有显示下拉菜单。

Win32Exception: ApplicationName='cmd', CommandLine='/Cecho "xxx" | openssl base64', CurrentDirectory='', Native error= The system cannot find the file specified.

System.Diagnostics.Process.StartWithCreateProcess (System.Diagnostics.ProcessStartInfo startInfo) (at <3845a180c26b4889bc2d47593a665814>:0)
System.Diagnostics.Process.Start () (at <3845a180c26b4889bc2d47593a665814>:0)
(wrapper remoting-invoke-with-check) System.Diagnostics.Process.Start()
Facebook.Unity.Editor.FacebookAndroidUtil.DoesCommandExist (System.String command) (at <1e648b4081db4625b06f95d668cd2dd4>:0)
Facebook.Unity.Editor.FacebookAndroidUtil.get_DebugKeyHash () (at <1e648b4081db4625b06f95d668cd2dd4>:0)
Facebook.Unity.Editor.FacebookAndroidUtil.get_SetupProperly () (at <1e648b4081db4625b06f95d668cd2dd4>:0)
Facebook.Unity.Editor.FacebookSettingsEditor.AndroidUtilGUI () (at <1e648b4081db4625b06f95d668cd2dd4>:0)
Facebook.Unity.Editor.FacebookSettingsEditor.OnInspectorGUI () (at <1e648b4081db4625b06f95d668cd2dd4>:0)
UnityEditor.InspectorWindow.DoOnInspectorGUI (System.Boolean rebuildOptimizedGUIBlock, UnityEditor.Editor editor, System.Boolean wasVisible, UnityEngine.Rect& contentRect) (at C:/buildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:1625)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

【问题讨论】：

标签： facebook unity3d facebook-sdk-4.0

【解决方案1】：

安装openSSLhttps://www.openssl.org/

我解决了添加环境变量“C:\Windows\System32”的例子：

路径 = C:\Windows\System32;C:\Program Files\Java\jdk1.7.0_51\bin;C:\OpenSSL\bin

请务必按确切顺序添加它们

参考：“Facebook SDK "Edit Settings" errors in Unity for Android”

【讨论】：