fix 添加消息去重

Author: xhp

android/messagelist/src/main/java/cn/jiguang/imui/messages/MsgListAdapter.java

@@ -374,12 +374,18 @@ private class Wrapper<DATA> {
      * @param messages       message to be add
      * @param scrollToBottom if true scroll list to bottom
      */
-    public void addToStart(List<MESSAGE> messages, boolean scrollToBottom) {
+    public void addToStart(List<MESSAGE> messages, boolean scrollToBottom, boolean check) {
         boolean first = mItems.isEmpty();
         updateShowTimeItem(messages, first, true);
         for (int i = 0; i < messages.size(); i++) {//3 2 1
             MESSAGE message = messages.get(i);
 
+            if (check) {
+                int position = getMessagePositionById(message.getMsgId());
+                if (position >= 0) {
+                    continue;
+                }
+            }
             mItems.add(0, new Wrapper<>(message));
             notifyItemRangeInserted(0, 1);
             addImage(message, false);
@@ -520,10 +526,10 @@ public void updateMessage(String oldId, MESSAGE newMessage) {
             if (mLayoutManager != null) {
                 mLayoutManager.requestLayout();
             }
-        }else {
+        } else {
             List<MESSAGE> list = new ArrayList<>();
             list.add(newMessage);
-            addToStart(list,true);
+            addToStart(list, true, false);
         }
 
     }

android/src/main/java/cn/jiguang/imui/messagelist/ReactMsgListManager.java

@@ -127,7 +127,7 @@ public void loadAvatarImage(ImageView avatarImageView, String string) {
                     return;
                 }
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
-                    if(reactContext.getCurrentActivity().isDestroyed()){
+                    if (reactContext.getCurrentActivity().isDestroyed()) {
                         return;
                     }
                 }
@@ -392,7 +392,7 @@ public void setInitList(MessageList messageList, ReadableArray messages) {
                 RCTMessage rctMessage = configMessage(messages.getMap(i));
                 list.add(rctMessage);
             }
-            mAdapter.addToStart(list, true);
+            mAdapter.addToStart(list, true, false);
         }
     }
 
@@ -508,7 +508,7 @@ public void onReceive(Context context, Intent intent) {
                     activity.runOnUiThread(new Runnable() {
                         @Override
                         public void run() {
-                            mAdapter.addToStart(list, false);
+                            mAdapter.addToStart(list, false, true);
                         }
                     });
                 }