remove setStackFromEnd

Author: xhp

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

@@ -41,7 +41,7 @@ private int getLastVisibleItem(int[] lastVisibleItemPositions) {
 
     @Override
     public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
-        handler.sendEmptyMessageDelayed(1,150);
+        //setStackFromEnd();
         if (mListener != null) {
             int lastVisibleItemPosition = 0;
             int firstVisibleItemPosition = 0;
@@ -87,29 +87,31 @@ public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
         @Override
         public void handleMessage(Message msg) {
             if (msg.what == 1) {
-                setStackFromEnd();
+                try {
+                    ll.setStackFromEnd(false);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            } else if(msg.what == 2){
+                try {
+                    ll.setStackFromEnd(true);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
             }
         }
     };
-
+    LinearLayoutManager ll;
     void setStackFromEnd() {
         if (mLayoutManager instanceof LinearLayoutManager) {
-            LinearLayoutManager ll = (LinearLayoutManager) mLayoutManager;
+            ll = (LinearLayoutManager) mLayoutManager;
             if (ll.getStackFromEnd()) {
                 if (ll.getChildCount() < mLayoutManager.getItemCount()) {
-                    try {
-                        ll.setStackFromEnd(false);
-                    } catch (Exception e) {
-                        e.printStackTrace();
-                    }
+                    handler.sendEmptyMessageDelayed(1,150);
                 }
             } else {
                 if (ll.getChildCount() >= mLayoutManager.getItemCount()) {
-                    try {
-                        ll.setStackFromEnd(true);
-                    } catch (Exception e) {
-                        e.printStackTrace();
-                    }
+                    handler.sendEmptyMessageDelayed(2,150);
                 }
             }
         }