Visually center initial loading indicator. Abandon

"end of content" messages (not necessary from UX perspective
imo) and retry button (perhaps it should be a Snackbar
with a retry action instead)

app/src/main/java/com/keylesspalace/tusky/BlocksAdapter.java

@@ -66,9 +66,6 @@ class BlocksAdapter extends AccountAdapter {
         } else {
             FooterViewHolder holder = (FooterViewHolder) viewHolder;
             holder.setState(footerState);
-            holder.setupButton(footerActionListener);
-            holder.setRetryMessage(R.string.footer_retry_accounts);
-            holder.setEndOfTimelineMessage(R.string.footer_end_of_accounts);
         }
     }
 

app/src/main/java/com/keylesspalace/tusky/FollowAdapter.java

@@ -61,9 +61,6 @@ class FollowAdapter extends AccountAdapter {
         } else {
             FooterViewHolder holder = (FooterViewHolder) viewHolder;
             holder.setState(footerState);
-            holder.setupButton(footerActionListener);
-            holder.setRetryMessage(R.string.footer_retry_accounts);
-            holder.setEndOfTimelineMessage(R.string.footer_end_of_accounts);
         }
     }
 

app/src/main/java/com/keylesspalace/tusky/FooterViewHolder.java

@@ -22,11 +22,7 @@ import android.widget.ProgressBar;
 import android.widget.TextView;
 
 class FooterViewHolder extends RecyclerView.ViewHolder {
-    private View retryBar;
-    private TextView retryMessage;
-    private Button retry;
     private ProgressBar progressBar;
-    private TextView endOfTimelineMessage;
 
     enum State {
         LOADING,
@@ -36,49 +32,22 @@ class FooterViewHolder extends RecyclerView.ViewHolder {
 
     FooterViewHolder(View itemView) {
         super(itemView);
-        retryBar = itemView.findViewById(R.id.footer_retry_bar);
-        retryMessage = (TextView) itemView.findViewById(R.id.footer_retry_message);
-        retry = (Button) itemView.findViewById(R.id.footer_retry_button);
         progressBar = (ProgressBar) itemView.findViewById(R.id.footer_progress_bar);
         progressBar.setIndeterminate(true);
-        endOfTimelineMessage = (TextView) itemView.findViewById(R.id.footer_end_of_timeline_text);
-    }
-
-    void setupButton(final FooterActionListener listener) {
-        retry.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                listener.onLoadMore();
-            }
-        });
-    }
-
-    void setRetryMessage(int messageId) {
-        retryMessage.setText(messageId);
-    }
-
-    void setEndOfTimelineMessage(int messageId) {
-        endOfTimelineMessage.setText(messageId);
     }
 
     void setState(State state) {
         switch (state) {
             case LOADING: {
-                retryBar.setVisibility(View.GONE);
                 progressBar.setVisibility(View.VISIBLE);
-                endOfTimelineMessage.setVisibility(View.GONE);
                 break;
             }
             case RETRY: {
-                retryBar.setVisibility(View.VISIBLE);
                 progressBar.setVisibility(View.GONE);
-                endOfTimelineMessage.setVisibility(View.GONE);
                 break;
             }
             case END_OF_TIMELINE: {
-                retryBar.setVisibility(View.GONE);
                 progressBar.setVisibility(View.GONE);
-                endOfTimelineMessage.setVisibility(View.VISIBLE);
                 break;
             }
         }

app/src/main/java/com/keylesspalace/tusky/NotificationsAdapter.java

@@ -110,9 +110,6 @@ class NotificationsAdapter extends RecyclerView.Adapter implements AdapterItemRe
         } else {
             FooterViewHolder holder = (FooterViewHolder) viewHolder;
             holder.setState(footerState);
-            holder.setupButton(footerListener);
-            holder.setRetryMessage(R.string.footer_retry_notifications);
-            holder.setEndOfTimelineMessage(R.string.footer_end_of_notifications);
         }
     }
 

app/src/main/java/com/keylesspalace/tusky/TimelineAdapter.java

@@ -68,9 +68,6 @@ class TimelineAdapter extends RecyclerView.Adapter implements AdapterItemRemover
         } else {
             FooterViewHolder holder = (FooterViewHolder) viewHolder;
             holder.setState(footerState);
-            holder.setupButton(footerListener);
-            holder.setRetryMessage(R.string.footer_retry_statuses);
-            holder.setEndOfTimelineMessage(R.string.footer_end_of_statuses);
         }
     }
 

app/src/main/res/layout/item_footer.xml

@@ -2,7 +2,8 @@
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="wrap_content"
+    android:layout_height="match_parent"
+    android:gravity="center"
     android:orientation="vertical">
 
     <LinearLayout
@@ -10,39 +11,10 @@
         android:layout_height="wrap_content"
         android:orientation="horizontal"
         android:layout_gravity="center">
-
-        <com.keylesspalace.tusky.FlowLayout
-            android:id="@+id/footer_retry_bar"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:visibility="gone">
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:id="@+id/footer_retry_message"
-                android:padding="@dimen/footer_text_padding" />
-
-            <Button
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:id="@+id/footer_retry_button"
-                android:text="@string/action_retry" />
-
-        </com.keylesspalace.tusky.FlowLayout>
-
         <ProgressBar
             android:id="@+id/footer_progress_bar"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content" />
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:id="@+id/footer_end_of_timeline_text"
-            android:padding="@dimen/footer_text_padding"
-            android:visibility="gone" />
-
     </LinearLayout>
 
 </LinearLayout>