private void initViewPagerHeader() {
   // Get the ViewPager and set it's PagerAdapter so that it can display items
   final ViewPager viewPager = (ViewPager) findViewById(R.id.viewpager_details_header);
   // TODO Get Images from Server and cache them locally
   List<ClimbingImage> images = new ArrayList<>();
   for (int i = 0; i < 5; ++i) {
     ClimbingImage image = new ClimbingImage();
     image.setClimbingId(i);
     image.setImageUrl(i % 2 == 0 ? "riederin.jpg" : "riederin2.jpg");
     image.setDescription(i % 2 == 0 ? "Beschreibung 1" : "Beschreibung 2");
     images.add(image);
   }
   selectedArea.setImages(images);
   viewPager.setAdapter(
       new HeaderImagePagerAdapter(
           getSupportFragmentManager(), ClimbingAreaDetailsActivity.this, selectedArea));
   Handler handlerTimer = new Handler();
   handlerTimer.postDelayed(
       new Runnable() {
         public void run() {
           viewPager.setCurrentItem(1, true);
         }
       },
       500);
 }