Add autoloading pics for newsfeed

Author: tretdm

app/src/main/java/uk/openvk/android/refresh/api/Newsfeed.java

@@ -274,17 +274,21 @@ public void get(OvkAPIWrapper ovk, int count) {
     }
 
     public void get(OvkAPIWrapper ovk, int count, long start_from) {
-        ovk.sendAPIMethod("Newsfeed.get", String.format("count=%s&start_from=%s&extended=1",
-                count, start_from), "more_news");
+        if(start_from > 0) {
+            ovk.sendAPIMethod("Newsfeed.get", String.format("count=%s&start_from=%s&extended=1",
+                    count, start_from), "more_news");
+        }
     }
 
     public void getGlobal(OvkAPIWrapper ovk, int count) {
         ovk.sendAPIMethod("Newsfeed.getGlobal", String.format("count=%s&extended=1", count));
     }
 
     public void getGlobal(OvkAPIWrapper ovk, int count, long start_from) {
-        ovk.sendAPIMethod("Newsfeed.getGlobal", String.format("count=%s&start_from=%s&extended=1",
-                count, start_from), "more_news");
+        if(start_from > 0) {
+            ovk.sendAPIMethod("Newsfeed.getGlobal", String.format("count=%s&start_from=%s&extended=1",
+                    count, start_from), "more_news");
+        }
     }
 
     public ArrayList<Attachment> createAttachmentsList(long owner_id, long post_id, String quality,

app/src/main/java/uk/openvk/android/refresh/ui/core/activities/AppActivity.java

@@ -662,6 +662,7 @@ public Fragment getSelectedFragment() {
         return selectedFragment;
     }
 
+    @SuppressLint("NotifyDataSetChanged")
     private void receiveState(int message, Bundle data) {
         // Handling OpenVK API and UI messages
         try {
@@ -847,6 +848,7 @@ private void receiveState(int message, Bundle data) {
                     } else {
                         newsfeedFragment.newsfeedAdapter.setPhotoLoadState(true);
                     }
+                    newsfeedFragment.refreshAdapter();
                 } else if(selectedFragment == profileFragment) {
                     if(profileFragment.getWallAdapter() == null) {
                         profileFragment.createWallAdapter(this, wall.getWallItems());

app/src/main/java/uk/openvk/android/refresh/ui/core/fragments/app/NewsfeedFragment.java

@@ -118,7 +118,6 @@ public void createAdapter(Context ctx, ArrayList<WallPost> wallPosts) {
             newsfeedView.setLayoutManager(llm);
             newsfeedView.setAdapter(newsfeedAdapter);
         } else {
-            newsfeedAdapter.setArray(wallPosts);
             newsfeedAdapter.notifyDataSetChanged();
         }
         ((ProgressLayout) view.findViewById(R.id.progress_layout)).setVisibility(View.GONE);
@@ -170,7 +169,10 @@ public void setError(boolean visible, int message, View.OnClickListener listener
 
     @SuppressLint("NotifyDataSetChanged")
     public void refreshAdapter() {
-        if(newsfeedAdapter != null) newsfeedAdapter.notifyDataSetChanged();
+        if(newsfeedAdapter != null) {
+            newsfeedAdapter.setArray(wallPosts);
+            newsfeedAdapter.notifyDataSetChanged();
+        }
     }
 
     public void showProgress() {
@@ -183,7 +185,7 @@ public void showProgress() {
     public void select(int position, String item, int value) {
         if(item.equals("likes")) {
             wallPosts.get(position).counters.isLiked = value == 1;
-            newsfeedAdapter.notifyDataSetChanged();
+            newsfeedAdapter.notifyItemChanged(position, false);
         }
     }
 
@@ -195,7 +197,7 @@ public void select(int position, String item, String value) {
             } else {
                 wallPosts.get(position).counters.isLiked = false;
             }
-            newsfeedAdapter.notifyDataSetChanged();
+            newsfeedAdapter.notifyItemChanged(position, false);
         }
     }
 
@@ -207,8 +209,8 @@ public void setScrollingPositions(final Context ctx, final boolean infinity_scro
             if (!loading_more_posts) {
                 if (diff == 0) {
                     if (ctx.getClass().getSimpleName().equals("AppActivity")) {
-                        loading_more_posts = true;
                         ((AppActivity) ctx).loadMoreNews();
+                        loading_more_posts = true;
                     }
                 }
             }