gistfile1.java

private OnPageChangeListener mOnPageChangeListener = new OnPageChangeListener() {
    @Override
    public void onPageSelected(int position) {
        // Do whatever you wan't to do. It's up to you ... not me :)
    }

    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
        // Do whatever you wan't to do. It's up to you ... not me :)
    }

    @Override
    public void onPageScrollStateChanged(int state) {
        mViewPager.requestDisallowInterceptTouchEvent(state != ViewPager.SCROLL_STATE_IDLE);
    }
};