Slide ViewPager on button click

You have changed ViewPager's page by sliding it. You can also change page by click on next and previous button.

1. Add two button so called NEXT and PREV in xml.
2. Instantiate these buttons in your activity. And create a global counter as follow

   int globalPosition = 0;

3. Now set next click listener. as follow

   // checking if pager can scroll or not
   boolean can = mPager.canScrollHorizontally(1);
   
   if(can)
   {
    mPager.setCurrentItem(++globalPosition,true);
   }
   
   

4. Set previous button click listener

   boolean can = mPager.canScrollHorizontally(-1);
   if(can)
   {
    mPager.setCurrentItem(--globalPosition,true);
   }
   

5. Dont forget to update globalPosition on ViewPager page sliding.

   mPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
    @Override
    public void onPageSelected(int position) {
     globalPosition = position;
    }
   });