Fix an issue with infinite scroll

app/src/main/java/app/fedilab/android/ui/fragment/timeline/FragmentMastodonAccount.java

@@ -179,6 +179,7 @@ public class FragmentMastodonAccount extends Fragment {
         binding.swipeContainer.setRefreshing(false);
         binding.swipeContainer.setOnRefreshListener(() -> {
             binding.swipeContainer.setRefreshing(true);
+            flagLoading = false;
             max_id = null;
             router(true);
         });
@@ -197,7 +198,7 @@ public class FragmentMastodonAccount extends Fragment {
 
         this.accounts = accounts.accounts;
         accountAdapter = new AccountAdapter(this.accounts);
-
+        flagLoading = (accounts.accounts.size() < MastodonHelper.accountsPerCall(requireActivity()));
         LinearLayoutManager mLayoutManager = new LinearLayoutManager(requireActivity());
         binding.recyclerView.setLayoutManager(mLayoutManager);
         binding.recyclerView.setAdapter(accountAdapter);
@@ -245,6 +246,7 @@ public class FragmentMastodonAccount extends Fragment {
         }
         binding.loadingNextElements.setVisibility(View.GONE);
         if (accounts != null && fetched_accounts != null && fetched_accounts.accounts != null) {
+            flagLoading = (fetched_accounts.accounts.size() < MastodonHelper.accountsPerCall(requireActivity()));
             int startId = 0;
             //There are some statuses present in the timeline
             if (accounts.size() > 0) {
@@ -256,6 +258,8 @@ public class FragmentMastodonAccount extends Fragment {
             fetchRelationShip(fetched_accounts.accounts, position);
             max_id = fetched_accounts.pagination.max_id;
             accountAdapter.notifyItemRangeInserted(startId, fetched_accounts.accounts.size());
+        } else {
+            flagLoading = true;
         }
     }
 

app/src/main/java/app/fedilab/android/ui/fragment/timeline/FragmentMastodonConversation.java

@@ -126,6 +126,8 @@ public class FragmentMastodonConversation extends Fragment {
                                             currentFragment.conversations.addAll(fetched_conversations.conversations);
                                             max_id = fetched_conversations.pagination.max_id;
                                             conversationAdapter.notifyItemRangeInserted(startId, fetched_conversations.conversations.size());
+                                        } else {
+                                            flagLoading = true;
                                         }
                                     });
                         }
@@ -140,6 +142,7 @@ public class FragmentMastodonConversation extends Fragment {
             if (this.conversations.size() > 0) {
                 binding.swipeContainer.setRefreshing(true);
                 max_id = null;
+                flagLoading = false;
                 timelinesVM.getConversations(BaseMainActivity.currentInstance, BaseMainActivity.currentToken, null, null, null, MastodonHelper.statusesPerCall(requireActivity()))
                         .observe(FragmentMastodonConversation.this, this::initializeConversationCommonView);
             }

app/src/main/java/app/fedilab/android/ui/fragment/timeline/FragmentMastodonNotification.java

@@ -189,7 +189,7 @@ public class FragmentMastodonNotification extends Fragment {
         }
         this.notifications = notifications.notifications;
         notificationAdapter = new NotificationAdapter(this.notifications);
-
+        flagLoading = notifications.notifications.size() < MastodonHelper.notificationsPerCall(requireActivity());
         LinearLayoutManager mLayoutManager = new LinearLayoutManager(requireActivity());
         binding.recyclerView.setLayoutManager(mLayoutManager);
         binding.recyclerView.setAdapter(notificationAdapter);
@@ -219,6 +219,7 @@ public class FragmentMastodonNotification extends Fragment {
             if (this.notifications.size() > 0) {
                 binding.swipeContainer.setRefreshing(true);
                 max_id = null;
+                flagLoading = false;
                 notificationsVM.getNotifications(BaseMainActivity.currentInstance, BaseMainActivity.currentToken, null, null, null, MastodonHelper.statusesPerCall(requireActivity()), excludeType, null)
                         .observe(FragmentMastodonNotification.this, this::initializeNotificationView);
             }
@@ -239,6 +240,7 @@ public class FragmentMastodonNotification extends Fragment {
         flagLoading = false;
         binding.loadingNextElements.setVisibility(View.GONE);
         if (currentFragment.notifications != null && fetched_notifications != null && fetched_notifications.notifications != null) {
+            flagLoading = fetched_notifications.notifications.size() < MastodonHelper.notificationsPerCall(requireActivity());
             int startId = 0;
             //There are some statuses present in the timeline
             if (currentFragment.notifications.size() > 0) {
@@ -247,6 +249,8 @@ public class FragmentMastodonNotification extends Fragment {
             currentFragment.notifications.addAll(fetched_notifications.notifications);
             max_id = fetched_notifications.pagination.max_id;
             notificationAdapter.notifyItemRangeInserted(startId, fetched_notifications.notifications.size());
+        } else {
+            flagLoading = true;
         }
     }
 

app/src/main/java/app/fedilab/android/ui/fragment/timeline/FragmentMastodonTimeline.java

@@ -254,6 +254,7 @@ public class FragmentMastodonTimeline extends Fragment {
         binding.swipeContainer.setOnRefreshListener(() -> {
             binding.swipeContainer.setRefreshing(true);
             max_id = null;
+            flagLoading = false;
             router(null);
         });
 
@@ -282,7 +283,7 @@ public class FragmentMastodonTimeline extends Fragment {
                 statuses.statuses = mediaStatuses;
             }
         }
-
+        flagLoading = (statuses.statuses.size() < MastodonHelper.statusesPerCall(requireActivity()));
         binding.recyclerView.setVisibility(View.VISIBLE);
         if (statusAdapter != null && this.statuses != null) {
             int size = this.statuses.size();
@@ -361,8 +362,9 @@ public class FragmentMastodonTimeline extends Fragment {
             return;
         }
         binding.loadingNextElements.setVisibility(View.GONE);
-        if (statuses != null && fetched_statuses != null && fetched_statuses.statuses != null) {
+        if (statuses != null && fetched_statuses != null && fetched_statuses.statuses != null && fetched_statuses.statuses.size() > 0) {
 
+            flagLoading = (direction == DIRECTION.BOTTOM && fetched_statuses.statuses.size() < MastodonHelper.statusesPerCall(requireActivity()));
             if (timelineType == Timeline.TimeLineEnum.ART) {
                 //We have to split media in different statuses
                 List<Status> mediaStatuses = new ArrayList<>();
@@ -396,6 +398,8 @@ public class FragmentMastodonTimeline extends Fragment {
             if (min_id == null || (fetched_statuses.pagination.min_id != null && fetched_statuses.pagination.min_id.compareTo(min_id) > 0)) {
                 min_id = fetched_statuses.pagination.min_id;
             }
+        } else if (direction == DIRECTION.BOTTOM) {
+            flagLoading = true;
         }
     }