androidx.viewpager.widget.ViewPager.OnPageChangeListener Java Examples

@Override
public final void removeOnPageChangeListener(@NonNull final OnPageChangeListener listener) {
    Condition.INSTANCE.ensureNotNull(listener, "The listener may not be null");
    onPageChangeListeners.remove(listener);

    if (viewPager != null) {
        viewPager.removeOnPageChangeListener(listener);
    }
}
 

@Override
public final void addOnPageChangeListener(@NonNull final OnPageChangeListener listener) {
    Condition.INSTANCE.ensureNotNull(listener, "The listener may not be null");
    onPageChangeListeners.add(listener);

    if (viewPager != null) {
        viewPager.addOnPageChangeListener(listener);
    }
}
 

@Override
public void setOnPageChangeListener(OnPageChangeListener listener) {
    mListener = listener;
}
 

public void setOnPageChangeListener(OnPageChangeListener listener) {
    this.delegatePageListener = listener;
}
 

public void setOnPageChangeListener(OnPageChangeListener listener) {
    this.delegatePageListener = listener;
}
 

public void setOnPageChangeListener(OnPageChangeListener listener) {
    this.delegatePageListener = listener;
}
 

public void setOnPageChangeListener(OnPageChangeListener listener) {
    delegatePageListener = listener;
}
 

@NonNull
@Override
protected final Map<ViewType, View> onAttach(@NonNull final Window window,
                                             @NonNull final View view,
                                             @NonNull final Map<ViewType, View> areas,
                                             @NonNull final FragmentManager fragmentManager) {
    View headerView = areas.get(new AreaViewType(Area.HEADER));
    View contentView = areas.get(new AreaViewType(Area.CONTENT));

    if (headerView != null && contentView != null) {
        View viewPagerView = contentView.findViewById(R.id.view_pager);

        if (viewPagerView instanceof ViewPager) {
            View inflatedView = inflateButtonBar();

            if (inflatedView != null) {
                viewPager = (ViewPager) viewPagerView;
                viewPager.setDialog(getDialog());
                viewPager.addOnPageChangeListener(this);
                viewPagerAdapter =
                        new ViewPagerAdapter(getContext(), fragmentManager, viewPagerItems);

                for (OnPageChangeListener listener : onPageChangeListeners) {
                    viewPager.addOnPageChangeListener(listener);
                }

                viewPager.setAdapter(viewPagerAdapter);
                inflateTabLayout(headerView, contentView);
                adaptTabLayout();
                adaptViewPager();
                adaptButtonTextColor();
                adaptBackButton();
                adaptNextButton();
                adaptFinishButton();
                adaptButtonBarVisibility();
                adaptButtonBarDividerVisibility();
                adaptButtonBarDividerColor();
                adaptButtonBarDividerMargin();
                adaptButtonVisibility();
                Map<ViewType, View> result = new HashMap<>();
                result.put(new AreaViewType(Area.BUTTON_BAR), inflatedView);
                return result;
            }
        }
    }

    return Collections.emptyMap();
}
 

@Override
public final void removeOnPageChangeListener(@NonNull final OnPageChangeListener listener) {
    decorator.removeOnPageChangeListener(listener);
}
 

@Override
public final void addOnPageChangeListener(@NonNull final OnPageChangeListener listener) {
    decorator.addOnPageChangeListener(listener);
}
 

public void setOnPageChangeListener(OnPageChangeListener listener)
{
    this.delegatePageListener = listener;
}
 

public void setOnPageChangeListener(OnPageChangeListener listener) {
    delegatePageListener = listener;
}
 

public void setOnPageChangeListener(OnPageChangeListener onPageChangeListener) {
    mOnPageChangeListener = onPageChangeListener;
}
 

@Override
public void setOnPageChangeListener(OnPageChangeListener listener) {
    mListener = listener;
}
 

/**
 * Adds a listener, which should be notified, when the page of the dialog's view pager has been
 * changed.
 *
 * @param listener
 *         The listener, which should be added, as an instance of the type OnPageChangeListener.
 *         The listener may not be null
 */
void addOnPageChangeListener(@NonNull OnPageChangeListener listener);
 

/**
 * Removes a listener, which should not be notified, when the page of the dialog's view pager
 * has been changed, anymore.
 *
 * @param listener
 *         The listener, which should be removed, as an instance of the type
 *         OnPageChangeListener. The listener may not be null
 */
void removeOnPageChangeListener(@NonNull OnPageChangeListener listener);
 

/**
 * Adds a listener, which should be notified, when the page of the view page of the dialog,
 * which is created by the builder, has been changed.
 *
 * @param listener
 *         The listener, which should be added, as an instance of the type
 *         OnPageChangeListener. The listener may not be null
 * @return The builder, the method has been called upon, as an instance of the class {@link
 * Builder}
 */
public final Builder addOnPageChangeListener(@NonNull final OnPageChangeListener listener) {
    getProduct().addOnPageChangeListener(listener);
    return self();
}