commit

example/lib/AlbumModel/page/album/AlbumModel.dart

@@ -7,6 +7,7 @@ import 'dart:async';
 import 'dart:io';
 
 import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
 import 'package:gengmei_flutter_plugin/ScanImagePlugn.dart';
 import 'package:gengmei_flutter_plugin/gengmei_flutter_plugin.dart';
 import 'package:gengmei_flutter_plugin_example/AlbumModel/LiveData.dart';
@@ -16,6 +17,26 @@ import 'package:gengmei_flutter_plugin_example/AlbumModel/repository/AlbumReposi
 const String MainDir = "IsGengmeiAlbumAllImages";
 const String MainDirExplain = "全部相片";
 
+Map<String, List<ScanImageItem>> paseAlbum(Object event) {
+  var map = Map<String, List<dynamic>>.from(event);
+
+  var newMap = Map<String, List<ScanImageItem>>();
+  map.forEach((k, v) {
+    var list = List<Map>.from(v);
+    var scanList = List<ScanImageItem>();
+    list.forEach((listMap) {
+      var map2 = Map<String, dynamic>.from(listMap);
+      ScanImageItem item = new ScanImageItem();
+      item.path = map2["path"];
+      item.isVideo = map2["isVideo"] == "T" ? true : false;
+      item.during = map2["during"] ?? "0";
+      scanList.add(item);
+    });
+    newMap[k] = scanList;
+  });
+  return newMap;
+}
+
 class AlbumModel {
   LiveData<List<ScanImageItem>> albumLive = LiveData();
   LiveData<List<DirBean>> dirLive = LiveData();
@@ -55,39 +76,29 @@ class AlbumModel {
   }
 
   void _onEvent(Object event) {
-    var map = (event as Map);
-    if (_mainValue == null || _mainValue.length == 0) {
-      _mainValue = map;
-    } else {
-      _mainValue.forEach((k, itemList) {
-        var key = map[k];
-        if (key != null) {
-          for (int i = 0; i < itemList.length; i++) {
-            if (key[i] == null) {
-              continue;
-            }
-            itemList[i].path = key[i]["path"];
-            itemList[i].realPath = key[i]["realPath"];
-          }
-        }
-      });
-    }
-//    var map = Map<String, List<dynamic>>.from(event);
-//
-//    var newMap = Map<String, List<ScanImageItem>>();
-//    map.forEach((k, v) {
-//      var key = newMap["k"];
-//      if(key==null){
-//        newMap["k"]=new List<ScanImageItem>();
-//      }
-//      v.forEach((value){
-//        ScanImageItem item=new ScanImageItem();
-//        item.path=value["path"];
-//        item.isVideo=value["isVideo"]=="T"?true:false;
-//        item.during = value["during"] ?? "0";
-//        newMap["k"].add(item);
+//    var map = (event as Map);
+//    if (_mainValue == null || _mainValue.length == 0) {
+//      _mainValue = map;
+//    } else {
+//      _mainValue.forEach((k, itemList) {
+//        var key = map[k];
+//        if (key != null) {
+//          for (int i = 0; i < itemList.length; i++) {
+//            if (key[i] == null) {
+//              continue;
+//            }
+//            itemList[i].path = key[i]["path"];
+//            itemList[i].realPath = key[i]["realPath"];
+//          }
+//        }
 //      });
-//    });
+//    }
+    compute(paseAlbum, event).then((value){
+      _mainValue = value;
+      albumLive.notifyView(_mainValue[_nowDirName]);
+    });
+
+
 //    _mainValue=newMap;
 //    var list = map[_nowDirName];
 //    _mainValue.forEach((k, itemList) {
@@ -119,7 +130,7 @@ class AlbumModel {
 //      }
 //    }
 //    print("EVENTTTT  !! ${tempList.length}   ${tempList}");
-    albumLive.notifyView(_mainValue[_nowDirName]);
+
   }
 
   void _onError(Object error) {
@@ -132,7 +143,8 @@ class AlbumModel {
         .receiveBroadcastStream()
         .listen(_onEvent, onError: _onError);
 //    }
-    AlbumRepository.getInstance().scanPhoneImg().listen((value) {
+    AlbumRepository.getInstance().scanPhoneImg()
+        .listen((value) {
       if (value != null) {
         _mainValue = value;
         value.forEach((key, eachValue) {
@@ -234,7 +246,6 @@ class AlbumModel {
     }
   }
 
-
   void iosAlbum(List<String> list, BuildContext context, Function fun) {
     GengmeiFlutterPlugin.ios_album_path(list).then((value) {
       fun(value);
@@ -254,7 +265,8 @@ class AlbumModel {
       } else {
         print(data);
         ScanImageItem item = new ScanImageItem();
-        item.realPath = data["realPath"]==null?null:data["realPath"] as String;
+        item.realPath =
+            data["realPath"] == null ? null : data["realPath"] as String;
         item.path = data["path"] as String;
         item.isVideo = false;
         String foldName = data["folderName"] as String;

lib/ScanImagePlugn.dart

@@ -2,27 +2,32 @@
  * @author lsy
  * @date   2019-09-09
  **/
+import 'package:flutter/foundation.dart';
 import 'package:flutter/src/services/platform_channel.dart';
 
+Map<String, List<ScanImageItem>> changData(Map images) {
+  Map<String, List<ScanImageItem>> newMap = new Map();
+  images.forEach((k, v) {
+    List<ScanImageItem> tempList = new List();
+    for (var item in v) {
+      ScanImageItem scanImageItem = new ScanImageItem();
+      scanImageItem.path = item["path"] ?? "";
+      scanImageItem.size = item["size"] ?? 0;
+      scanImageItem.realPath = item["realPath"] ?? "";
+      scanImageItem.isVideo = item["isVideo"] == "T" ? true : false;
+      scanImageItem.during = item["during"] ?? "0";
+      tempList.add(scanImageItem);
+    }
+    newMap.putIfAbsent(k, () => tempList);
+  });
+  return newMap;
+}
+
 class ScanImagePlugn {
   static Future<Map<String, List<ScanImageItem>>> scanImages(
       MethodChannel channel) async {
     var images = await channel.invokeMapMethod("scan_image_picker");
-    Map<String, List<ScanImageItem>> newMap = new Map();
-    images.forEach((k, v) {
-      List<ScanImageItem> tempList = new List();
-      for (var item in v) {
-        ScanImageItem scanImageItem = new ScanImageItem();
-        scanImageItem.path = item["path"] ?? "";
-        scanImageItem.size = item["size"] ?? 0;
-        scanImageItem.realPath = item["realPath"] ?? "";
-        scanImageItem.isVideo = item["isVideo"] == "T" ? true : false;
-        scanImageItem.during = item["during"] ?? "0";
-        tempList.add(scanImageItem);
-      }
-      newMap.putIfAbsent(k, () => tempList);
-    });
-    return newMap;
+    return Future.value(compute(changData, images));
   }
 
   static Future<Map> nativeCamera(