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- Query queryRef = databaseReference.orderByValue().limitToLast(6);
- queryRef.addChildEventListener(new ChildEventListener() {
- @Override
- public void onChildAdded(DataSnapshot dataSnapshot, String s) {
- for(DataSnapshot ds : dataSnapshot.getChildren()) {
- WallpaperInfo userId = ds.getValue(WallpaperInfo.class);
- list.add(userId);
- oldestPostId = ds.getKey();
- }
- Log.d("list",String.valueOf(list.size()));
- adapter = new WallpaperGridAdapter(rootView.getContext(),list);
- gridView.setAdapter(adapter);
- adapter.notifyDataSetChanged();
- adapter.notifyDSC();
- }
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