#unity/日常积累
#unity/代码缓存 

假如只安装了安卓的组件，没安装ios的组件，直接导入安卓依赖库，会报错，手动优化方式：

![[img_v3_02ka_061a6f72-0b46-44ab-8088-5c65d3fb5chu.jpg]]

![[img_v3_02ka_220e4ace-e9f4-4967-b07d-51f318df5ehu.jpg]]

代码优化方式参考：

![[img_v3_02ka_c0698d1e-30c7-48e4-bab6-58bc51fe4dhu.jpg]]

最终实现，逻辑参考:
其中优化点思考：
1、DidReloadScripts这个标签，是不是过重，因为是每次编译代码，都会跑一遍这里
2、如果没有打开unity，是否就不会触发这里，另外是否不使用DidReloadScripts，而是在切换编译平台的时候，

## ExternalDependencyManagerResolver
``` cs
using System.Reflection;
using UnityEditor;
using UnityEditor.Callbacks;
using UnityEngine;

public class ExternalDependencyManagerResolver
{
    private static bool hasProcessed = false; //确保只执行一次
    private static PluginImporter pluginImporter;
    [DidReloadScripts]
    private static void OnScriptsReloaded()
    {
        if (hasProcessed) return;
        hasProcessed = true;
        string IOSResolverPath = "Assets/A_PLink_Public/Scripts/Tools/ExternalDependencyManager/Editor/1.2.182/Google.IOSResolver.dll";
        string JarResolverPath = "Assets/A_PLink_Public/Scripts/Tools/ExternalDependencyManager/Editor/1.2.182/Google.JarResolver.dll";

        if (EditorUserBuildSettings.activeBuildTarget == BuildTarget.iOS)
        {
            SetPluginImporter(IOSResolverPath, true);
            SetPluginImporter(JarResolverPath, false);
        }
        else if (EditorUserBuildSettings.activeBuildTarget == BuildTarget.Android)
        {
            SetPluginImporter(IOSResolverPath, false);
            SetPluginImporter(JarResolverPath, true);
        }
        else
        {
            SetPluginImporter(IOSResolverPath, false);
            SetPluginImporter(JarResolverPath, false);
        }
    }

    private static void SetPluginImporter(string path,bool isSet)
    {
        pluginImporter = AssetImporter.GetAtPath(path) as PluginImporter;
        if (pluginImporter != null)
        {
            var type = typeof(PluginImporter);
            var property = type.GetProperty("ValidateReferences", BindingFlags.NonPublic | BindingFlags.Instance);
            if (property != null)
            {
                // AssetDatabase.DisallowAutoRefresh();
                property.SetValue(pluginImporter, isSet);
                // pluginImporter.SaveAndReimport();
                // AssetDatabase.AllowAutoRefresh();
                Debug.Log($"{path}设置完成");
            }
            else
            {
                Debug.LogError("无法找到 ValidateReferences 属性");
            }
            Debug.Log("插件导入设置已更新");
        }
        else
        {
            Debug.LogError("未找到插件Importer");
        }
    }
}

```