Page change finished. You if you need to perform something hard, use onPageSelectedFinished

SimplePageChangedListener.java

import android.support.v4.view.ViewPager;

/**
 * Created by vlad on 7/20/13.
 */
public class SimplePageChangedListener implements ViewPager.OnPageChangeListener {

    private ViewPager.OnPageChangeListener listener;
    private boolean pageChanged;

    public SimplePageChangedListener() {
    }

    public SimplePageChangedListener(ViewPager.OnPageChangeListener listener) {
        this.listener = listener;
    }

    @Override
    public void onPageScrolled(int i, float v, int i2) {
        if (listener != null) {
            listener.onPageScrolled(i, v, i2);
        }

    }

    @Override
    public void onPageSelected(final int i) {
        if (listener != null) {
            listener.onPageSelected(i);
        }
        pageChanged = true;
    }

    @Override
    public void onPageScrollStateChanged(int state) {
        if (listener != null) {
            listener.onPageScrollStateChanged(state);
        }
        if (ViewPager.SCROLL_STATE_DRAGGING == state) {
        } else if (ViewPager.SCROLL_STATE_IDLE == state) {
            if (pageChanged) {
                pageChanged = false;
                onPageSelectedFinished();
            }
        }
    }

    /**
     * Override this method to prevent stucking and lagging view pager ui
     */
    public void onPageSelectedFinished() {

    }
}