Fixed jumping list.

Shatnik77 · Shatnik77 · commit 531a14530155 · 2020-03-19T13:53:54.000+04:00
See 'Implement the diffing callback': https://developer.android.com/topic/libraries/architecture/paging/ui Fixes #4
diff --git a/app/src/main/java/com/artshell/misc/rv/official_paging_example/ui/PostsAdapter.java b/app/src/main/java/com/artshell/misc/rv/official_paging_example/ui/PostsAdapter.java
@@ -102,12 +102,12 @@ public void setNetworkState(@Nullable NetworkState newNetworkState) {
     public static class DiffCallback extends DiffUtil.ItemCallback<RedditPost> {
         @Override
         public boolean areItemsTheSame(RedditPost oldItem, RedditPost newItem) {
-            return oldItem == newItem;
+            return oldItem.name.equals(newItem.name);
         }
 
         @Override
         public boolean areContentsTheSame(RedditPost oldItem, RedditPost newItem) {
-            return oldItem.name == newItem.name || oldItem.name.equals(newItem.name);
+            return oldItem.equals(newItem);
         }
 
         @Override

Original file line number	Diff line number	Diff line change
`@@ -102,12 +102,12 @@ public void setNetworkState(@Nullable NetworkState newNetworkState) {`
`102`	`102`	`public static class DiffCallback extends DiffUtil.ItemCallback<RedditPost> {`
`103`	`103`	`@Override`
`104`	`104`	`public boolean areItemsTheSame(RedditPost oldItem, RedditPost newItem) {`
`105`		`- return oldItem == newItem;`
	`105`	`+ return oldItem.name.equals(newItem.name);`
`106`	`106`	`}`
`107`	`107`
`108`	`108`	`@Override`
`109`	`109`	`public boolean areContentsTheSame(RedditPost oldItem, RedditPost newItem) {`
`110`		`- return oldItem.name == newItem.name \|\| oldItem.name.equals(newItem.name);`
	`110`	`+ return oldItem.equals(newItem);`
`111`	`111`	`}`
`112`	`112`
`113`	`113`	`@Override`