fix: wrong articled selected

src/itkach/aard2/ArticleCollectionActivity.java

@@ -199,11 +199,8 @@ public void run() {
                         }
 
                     }});
-                viewPager.setCurrentItem(position);
 
-//                PagerTitleStrip titleStrip = (PagerTitleStrip)findViewById(R.id.pager_title_strip);
-//                titleStrip.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 10);
-                updateTitle(position);
+
                 articleCollectionPagerAdapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
                     @Override
                     public void onChanged() {
@@ -212,6 +209,19 @@ public void onChanged() {
                         }
                     }
                 });
+                // setCurrentItem is bugged and wont siwtch correctly
+                // so we use another solution found here https://stackoverflow.com/questions/70736007/viewpager2-setcurrentitem-bug-workaround
+                tabs.post(()->{
+                    tabs.selectTab(tabs.getTabAt(position));
+                    viewPager.post(()->{
+                        viewPager.setCurrentItem(position);
+                        //I noticed on older devices like API 19
+                        //the viewPager wouldn't complete transformations
+                        //so we call this.
+                        viewPager.requestTransform();
+                    });
+                });
+                updateTitle(position);
             }
         };