增加方法

android/src/main/java/io/openim/flutter_openim_sdk/manager/MessageManager.java

@@ -388,6 +388,16 @@ public class MessageManager extends BaseManager {
                         jsonValue(methodCall, "fileElem")));
     }
 
+    public void FetchSurroundingMessages(MethodCall methodCall, MethodChannel.Result result) {
+        CommonUtil.runMainThreadReturn(result,
+                Open_im_sdk.createFileMessageByURL(
+                        value(methodCall, "operationID"),
+                        jsonValue(methodCall, "message"),
+                        int2long(methodCall, "before"),
+                        int2long(methodCall, "after")));
+    }
+
+
     public void setCustomBusinessListener(MethodCall methodCall, MethodChannel.Result result) {
         Open_im_sdk.setCustomBusinessListener(new OnCustomBusinessListener());
 

ios/Classes/Module/MessageManager.swift

@@ -48,6 +48,10 @@ public class MessageManager: BaseServiceManager {
         self["setMessageLocalEx"] = setMessageLocalEx
         self["setAppBadge"] = setAppBadge
 
+        self["fetchSurroundingMessages"] = fetchSurroundingMessages
+
+
+
         self["sendMessageNotOss"] = sendMessageNotOss
         self["createImageMessageByURL"] = createImageMessageByURL
         self["createSoundMessageByURL"] = createSoundMessageByURL
@@ -255,6 +259,13 @@ public class MessageManager: BaseServiceManager {
         Open_im_sdkSetCustomBusinessListener(CustomBusinessListener(channel: channel))
         callBack(result)
     }
+
+    func fetchSurroundingMessages(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
+        callBack(result, Open_im_sdkFetchSurroundingMessages(methodCall[string: "operationID"], methodCall[jsonString: "message"], methodCall[int: "before"], methodCall[int: "after"]))
+    }
+
+
+
 }
 
 public class SendMsgProgressListener: NSObject, Open_im_sdk_callbackSendMsgCallBackProtocol {

ios/flutter_openim_sdk.podspec

@@ -4,7 +4,7 @@
 #
 Pod::Spec.new do |s|
   s.name             = 'flutter_openim_sdk'
-  s.version          = '0.0.6'
+  s.version          = '0.0.7'
   s.summary          = 'A new Flutter project.'
   s.description      = <<-DESC
 A new Flutter project.

lib/src/manager/im_message_manager.dart

@@ -816,6 +816,31 @@ class MessageManager {
         }));
   }
 
+  /// Fetch Surrounding Messages
+  /// [message] Message content
+  /// [before] message index - before
+  /// [after] message index - after
+  /// [operationID] Operation ID
+  Future<List<Message>> FetchSurroundingMessages({
+    required Message message,
+    int? before,
+    int? after,
+    String? operationID,
+  }) =>
+      _channel
+          .invokeMethod(
+              'fetchSurroundingMessages',
+              _buildParam({
+                'message': message.toJson(),
+                'before': before ?? 0,
+                'after': after ?? 0,
+                'operationID': Utils.checkOperationID(operationID),
+              }))
+          .then((value) {
+        final result = Utils.toListMap(value);
+        return List<Message>.from(result);
+      });
+
   static Map _buildParam(Map<String, dynamic> param) {
     param["ManagerName"] = "messageManager";
     param = Utils.cleanMap(param);