两个列表进骑行释放内存

Assets/Scripts/UI/Prefab/Panel/MapListController.cs

@@ -262,6 +262,7 @@ public class MapListController : PFUIPanel
             });
             //sortDir.GetComponent<Button>().onClick.AddListener();
         }
+        caches = new Dictionary<string, Texture>();
     }
     void onEndEdit() 
     {
@@ -354,6 +355,7 @@ public class MapListController : PFUIPanel
         }
         
     }
+    Dictionary<string, Texture> caches = null;
     void DisplayMaps(List<MapRoute> list) 
     {
         if (map != null)
@@ -361,7 +363,7 @@ public class MapListController : PFUIPanel
             foreach (var item in list)
             {
                 var obj = Instantiate(map);
-                obj.GetComponent<MapItem>().Initial(item);
+                obj.GetComponent<MapItem>().Initial(item, caches);
                 //obj.SendMessage("Initial", );
                 obj.transform.SetParent(content.transform);
                 obj.transform.localScale = new Vector3(1, 1, 1);
@@ -468,4 +470,12 @@ public class MapListController : PFUIPanel
         ResetPanel();
         transform.MyDOFade();
     }
+
+    protected override void OnDestroy()
+    {
+        caches = null;
+        Resources.UnloadUnusedAssets();
+        GC.Collect();
+        Debug.Log("list empty");
+    }
 }