How to use

setVisibility

method

in

androidx.viewpager.widget.ViewPager

  @Override
  public void onPositionUpdate(float pos, boolean isLeaving) {
    if (pos == 1f && isLeaving && getAnimator().getRequestedId() != null) {
      if (preventExit) {
        skipExit();
      }
      switchToCurrentPage();
    }
    viewPager.setVisibility(pos == 0f && isLeaving ? View.INVISIBLE : View.VISIBLE);
  }
});

void toggleShowExtraKeys() {
  final ViewPager viewPager = findViewById(R.id.viewpager);
  final boolean showNow = mSettings.toggleShowExtraKeys(TermuxActivity.this);
  viewPager.setVisibility(showNow ? View.VISIBLE : View.GONE);
  if (showNow && viewPager.getCurrentItem() == 1) {
    // Focus the text input view if just revealed.
    findViewById(R.id.text_input).requestFocus();
  }
}

public IntoViewPagerListener(ViewPager viewPager, IntoTracker<ID> tracker) {
  this.viewPager = viewPager;
  this.tracker = tracker;
  viewPager.setVisibility(View.GONE); // We do not need to initialize ViewPager on startup
  viewPager.addOnPageChangeListener(new PagerListener());
  viewPager.setOnHierarchyChangeListener(new ChildStateListener());
}

@Override
public void onRequestView(@NonNull ID id) {
  // Requesting ViewPager layout if it was in 'gone' state
  if (viewPager.getVisibility() == View.GONE) {
    viewPager.setVisibility(View.INVISIBLE);
  }
  // Trying to find view for currently shown page.
  // If it is not a selected page then we should scroll to it at first.
  int position = tracker.getPositionById(id);
  if (position == IntoTracker.NO_POSITION) {
    return; // Nothing we can do
  }
  if (viewPager.getCurrentItem() == position) {
    applyCurrentPage();
  } else {
    viewPager.setCurrentItem(position, false);
  }
}

if (mSettings.mShowExtraKeys) viewPager.setVisibility(View.VISIBLE);

fragment.mViewPager.setVisibility(View.VISIBLE);
fragment.mViewPagerShadow.setVisibility(View.VISIBLE);

mViewPager.setVisibility(View.INVISIBLE);
mViewPagerShadow = mRootView.findViewById(R.id.viewpager_shadow);
mViewPagerShadow.setVisibility(View.INVISIBLE);
  adjustScrollPosition();
  mViewPager.setVisibility(View.VISIBLE);
  mViewPagerShadow.setVisibility(View.VISIBLE);

@Override
public void onChanged(List<Event> schedule) {
  setCustomProgressVisibility(false);
  if (schedule != null) {
    pager.setVisibility(View.VISIBLE);
    adapter.setSchedule(schedule);
    // Delay setting the adapter
    // to ensure the current position is restored properly
    if (pager.getAdapter() == null) {
      pager.setAdapter(adapter);
      if (initialPosition != -1) {
        pager.setCurrentItem(initialPosition, false);
        initialPosition = -1;
      }
      final int currentPosition = pager.getCurrentItem();
      if (currentPosition >= 0) {
        bookmarkStatusViewModel.setEvent(adapter.getEvent(currentPosition));
      }
    }
  }
}