-Fixed bookmark fragment in main pager not showing hamburger menu.

app/src/main/java/org/schabi/newpipe/fragments/local/BaseLocalListFragment.java

@@ -86,19 +86,30 @@ public abstract class BaseLocalListFragment<I, N> extends BaseStateFragment<I>
     // Lifecycle - Menu
     //////////////////////////////////////////////////////////////////////////*/
 
+    /** Determines if the fragment is part of the main fragment view pager.
+     * If so, then this method must be overriden to return true
+     * in order to show the hamburger menu. */
+    protected boolean isPartOfFrontPager() {
+        return false;
+    }
+
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        super.onCreateOptionsMenu(menu, inflater);
         if (DEBUG) Log.d(TAG, "onCreateOptionsMenu() called with: menu = [" + menu +
                 "], inflater = [" + inflater + "]");
-        super.onCreateOptionsMenu(menu, inflater);
+
-        ActionBar supportActionBar = activity.getSupportActionBar();
+        final ActionBar supportActionBar = activity.getSupportActionBar();
-        if (supportActionBar != null) {
+        if (supportActionBar == null) return;
-            supportActionBar.setDisplayShowTitleEnabled(true);
+
-            if(useAsFrontPage) {
+        supportActionBar.setDisplayShowTitleEnabled(true);
-                supportActionBar.setDisplayHomeAsUpEnabled(false);
+
-            } else {
+        // Show up arrow icon if the fragment is not used as front page or part of the front pager
-                supportActionBar.setDisplayHomeAsUpEnabled(true);
+        if (!useAsFrontPage && !isPartOfFrontPager()) {
-            }
+            // If set true, an up arrow icon will be displayed.
+            // If set false, no icon will be shown.
+            // If unset, show hamburger menu
+            supportActionBar.setDisplayHomeAsUpEnabled(true);
         }
     }
 

app/src/main/java/org/schabi/newpipe/fragments/local/bookmark/BookmarkFragment.java

@@ -148,6 +148,15 @@ public final class BookmarkFragment
         });
     }
 
+    /*//////////////////////////////////////////////////////////////////////////
+    // Fragment Lifecycle - Menu
+    //////////////////////////////////////////////////////////////////////////*/
+
+    @Override
+    protected boolean isPartOfFrontPager() {
+        return true;
+    }
+
     ///////////////////////////////////////////////////////////////////////////
     // Fragment LifeCycle - Loading
     ///////////////////////////////////////////////////////////////////////////