Some improvements

app/src/main/java/app/fedilab/android/activities/ContextActivity.java

@@ -82,7 +82,7 @@ public class ContextActivity extends BaseActivity {
         focusedStatus = null; // or other values
         if (b != null)
             focusedStatus = (Status) b.getSerializable(Helper.ARG_STATUS);
-        if (focusedStatus == null && currentAccount == null || currentAccount.mastodon_account == null) {
+        if (focusedStatus == null || currentAccount == null || currentAccount.mastodon_account == null) {
             finish();
             return;
         }

app/src/main/java/app/fedilab/android/ui/drawer/StatusAdapter.java

@@ -1787,10 +1787,6 @@ public class StatusAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>
                 holder.timer.cancel();
                 holder.timer = null;
             }
-            if (holder.dateTimer != null) {
-                holder.dateTimer.cancel();
-                holder.dateTimer = null;
-            }
             if (status.emojis != null && status.emojis.size() > 0) {
                 holder.timer = new Timer();
                 holder.timer.scheduleAtFixedRate(new TimerTask() {
@@ -1803,16 +1799,6 @@ public class StatusAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>
                     }
                 }, 100, 100);
             }
-            holder.dateTimer = new Timer();
-            holder.dateTimer.scheduleAtFixedRate(new TimerTask() {
-                @Override
-                public void run() {
-                    Handler mainHandler = new Handler(Looper.getMainLooper());
-                    Runnable myRunnable = () -> holder.binding.dateShort.setText(Helper.dateDiff(context, status.created_at));
-                    mainHandler.post(myRunnable);
-
-                }
-            }, 100, 10000);
         } else if (viewHolder.getItemViewType() == STATUS_ART) {
             StatusViewHolder holder = (StatusViewHolder) viewHolder;
             MastodonHelper.loadPPMastodon(holder.bindingArt.artPp, status.account);
@@ -1881,9 +1867,6 @@ public class StatusAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>
         if (holder instanceof StatusViewHolder && ((StatusViewHolder) holder).timer != null) {
             ((StatusViewHolder) holder).timer.cancel();
         }
-        if (holder instanceof StatusViewHolder && ((StatusViewHolder) holder).dateTimer != null) {
-            ((StatusViewHolder) holder).dateTimer.cancel();
-        }
     }
 
     public interface FetchMoreCallBack {
@@ -1900,7 +1883,6 @@ public class StatusAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>
         DrawerStatusNotificationBinding bindingNotification;
         DrawerStatusArtBinding bindingArt;
         Timer timer;
-        Timer dateTimer;
 
         StatusViewHolder(DrawerStatusBinding itemView) {
             super(itemView.getRoot());

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

@@ -456,25 +456,28 @@ public class FragmentMastodonNotification extends Fragment implements Notificati
         }
         int position = 0;
         //We loop through messages already in the timeline
-        for (Notification notificationsAlreadyPresent : this.notificationList) {
+        if (this.notificationList != null) {
-            //We compare the date of each status and we only add status having a date greater than the another, it is inserted at this position
+            notificationAdapter.notifyItemRangeChanged(0, this.notificationList.size());
-            //Pinned messages are ignored because their date can be older
+            for (Notification notificationsAlreadyPresent : this.notificationList) {
-            if (notificationReceived.id.compareTo(notificationsAlreadyPresent.id) > 0) {
+                //We compare the date of each status and we only add status having a date greater than the another, it is inserted at this position
+                //Pinned messages are ignored because their date can be older
+                if (notificationReceived.id.compareTo(notificationsAlreadyPresent.id) > 0) {
+                    //We add the status to a list of id - thus we know it is already in the timeline
+                    idOfAddedNotifications.add(notificationReceived.id);
+                    this.notificationList.add(position, notificationReceived);
+                    notificationAdapter.notifyItemInserted(position);
+                    break;
+                }
+                position++;
+            }
+            //Statuses added at the bottom, we flag them by position = -2 for not dealing with them and fetch more
+            if (position == this.notificationList.size()) {
                 //We add the status to a list of id - thus we know it is already in the timeline
                 idOfAddedNotifications.add(notificationReceived.id);
                 this.notificationList.add(position, notificationReceived);
                 notificationAdapter.notifyItemInserted(position);
-                break;
+                return NOTIFICATION__AT_THE_BOTTOM;
             }
-            position++;
-        }
-        //Statuses added at the bottom, we flag them by position = -2 for not dealing with them and fetch more
-        if (position == this.notificationList.size()) {
-            //We add the status to a list of id - thus we know it is already in the timeline
-            idOfAddedNotifications.add(notificationReceived.id);
-            this.notificationList.add(position, notificationReceived);
-            notificationAdapter.notifyItemInserted(position);
-            return NOTIFICATION__AT_THE_BOTTOM;
         }
         return position;
     }

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

@@ -499,27 +499,31 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
             return STATUS_PRESENT;
         }
         int position = 0;
-        //We loop through messages already in the timeline
+        if (this.statuses != null) {
-        for (Status statusAlreadyPresent : this.statuses) {
+            statusAdapter.notifyItemRangeChanged(0, this.statuses.size());
-            //We compare the date of each status and we only add status having a date greater than the another, it is inserted at this position
+            //We loop through messages already in the timeline
-            //Pinned messages are ignored because their date can be older
+            for (Status statusAlreadyPresent : this.statuses) {
-            if (statusReceived.id.compareTo(statusAlreadyPresent.id) > 0 && !statusAlreadyPresent.pinned) {
+                //We compare the date of each status and we only add status having a date greater than the another, it is inserted at this position
+                //Pinned messages are ignored because their date can be older
+                if (statusReceived.id.compareTo(statusAlreadyPresent.id) > 0 && !statusAlreadyPresent.pinned) {
+                    //We add the status to a list of id - thus we know it is already in the timeline
+                    idOfAddedStatuses.add(statusReceived.id);
+                    this.statuses.add(position, statusReceived);
+                    statusAdapter.notifyItemInserted(position);
+                    break;
+                }
+                position++;
+            }
+            //Statuses added at the bottom, we flag them by position = -2 for not dealing with them and fetch more
+            if (position == this.statuses.size()) {
                 //We add the status to a list of id - thus we know it is already in the timeline
                 idOfAddedStatuses.add(statusReceived.id);
                 this.statuses.add(position, statusReceived);
                 statusAdapter.notifyItemInserted(position);
-                break;
+                return STATUS_AT_THE_BOTTOM;
             }
-            position++;
-        }
-        //Statuses added at the bottom, we flag them by position = -2 for not dealing with them and fetch more
-        if (position == this.statuses.size()) {
-            //We add the status to a list of id - thus we know it is already in the timeline
-            idOfAddedStatuses.add(statusReceived.id);
-            this.statuses.add(position, statusReceived);
-            statusAdapter.notifyItemInserted(position);
-            return STATUS_AT_THE_BOTTOM;
         }
+
         return position;
     }